diff --git a/src/nvcore/StdStream.h b/src/nvcore/StdStream.h index 58f1f65..bf3e5b8 100644 --- a/src/nvcore/StdStream.h +++ b/src/nvcore/StdStream.h @@ -344,8 +344,8 @@ public: private: - Stream * m_s; - bool m_autodelete; + Stream * const m_s; + bool const m_autodelete; }; diff --git a/src/nvcore/poshlib/posh.c b/src/nvcore/poshlib/posh.c index 431948c..bd3fcc6 100644 --- a/src/nvcore/poshlib/posh.c +++ b/src/nvcore/poshlib/posh.c @@ -1,1006 +1,1006 @@ -/* -LICENSE: - -Copyright (c) 2004, Brian Hook -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the following - disclaimer in the documentation and/or other materials provided - with the distribution. - - * The names of this package'ss contributors contributors may not - be used to endorse or promote products derived from this - software without specific prior written permission. - - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ -/** - @file posh.c - @author Brian Hook - @date 2002 - @brief Portable Open Source Harness primary source file -*/ -#include "posh.h" - -#if !defined FORCE_DOXYGEN - -#if !defined POSH_NO_FLOAT -# define POSH_FLOAT_STRING "enabled" -#else -# define POSH_FLOAT_STRING "disabled" -#endif - -#if defined POSH_64BIT_INTEGER -# define POSH_64BIT_INTEGER_STRING "yes" -#else -# define POSH_64BIT_INTEGER_STRING "no" -#endif - -#if defined POSH_64BIT_POINTER -# define POSH_POINTER_STRING "64-bits" -#else -# define POSH_POINTER_STRING "32-bits" -#endif - -#if defined POSH_LITTLE_ENDIAN -# define IS_BIG_ENDIAN 0 - -# define NATIVE16 POSH_LittleU16 -# define NATIVE32 POSH_LittleU32 -# define NATIVE64 POSH_LittleU64 -# define FOREIGN16 POSH_BigU16 -# define FOREIGN32 POSH_BigU32 -# define FOREIGN64 POSH_BigU64 -#else -# define IS_BIG_ENDIAN 1 - -# define NATIVE16 POSH_BigU16 -# define NATIVE32 POSH_BigU32 -# define NATIVE64 POSH_BigU64 -# define FOREIGN16 POSH_LittleU16 -# define FOREIGN32 POSH_LittleU32 -# define FOREIGN64 POSH_LittleU64 -#endif /* POSH_LITTLE_ENDIAN */ - -static -int -s_testBigEndian( void ) -{ - union - { - posh_byte_t c[ 4 ]; - posh_u32_t i; - } u; - - u.i= 1; - - if ( u.c[ 0 ] == 1 ) - { - return 0; - } - return 1; -} - -static -const char * -s_testSerialization( void ) -{ - posh_byte_t serbuf[ 8 ]; - posh_u16_t tmp16; - posh_u32_t tmp32; - - /* 16-bit serialization */ - POSH_WriteU16ToLittle( serbuf, 0xABCD ); - if ( ( tmp16 = POSH_ReadU16FromLittle( serbuf ) ) != 0xABCD ) - { - return "*ERROR: failed little-endian 16-bit serialization test"; - } - - POSH_WriteU16ToBig( serbuf, 0xABCD ); - if ( ( tmp16 = POSH_ReadU16FromBig( serbuf ) ) != 0xABCD ) - { - return "*ERROR: failed big-endian 16-bit serialization test"; - } - - /* 32-bit serialization */ - POSH_WriteU32ToLittle( serbuf, 0xABCD1234L ); - if ( ( tmp32 = POSH_ReadU32FromLittle( serbuf ) ) != 0xABCD1234 ) - { - return "*ERROR: failed little-endian 32-bit serialization test"; - } - - POSH_WriteU32ToBig( serbuf, 0xABCD1234L ); - if ( ( tmp32 = POSH_ReadU32FromBig( serbuf ) ) != 0xABCD1234 ) - { - return "*ERROR: failed big-endian 32-bit serialization test"; - } - -#if defined POSH_64BIT_INTEGER - { -#define REF64 POSH_U64(0xFEDCBA9876543210) - - posh_u64_t tmp64; - - POSH_WriteU64ToLittle( serbuf, REF64 ); - - if ( ( tmp64 = POSH_ReadU64FromLittle( serbuf ) ) != REF64 ) - { - return "*ERROR: failed little-endian 64-bit serialization test"; - } - - POSH_WriteU64ToBig( serbuf, REF64 ); - - if ( ( tmp64 = POSH_ReadU64FromBig( serbuf ) ) != REF64 ) - { - return "*ERROR: failed big-endian 64-bit serialization test"; - } - } -#endif - - return 0; -} - -#if !defined POSH_NO_FLOAT -static -const char * -s_testFloatingPoint( void ) -{ - float fRef = 10.0f/30.0f; - double dRef = 10.0/30.0; - posh_byte_t dbuf[ 8 ]; - float fTmp; - double dTmp; - - fTmp = POSH_FloatFromLittleBits( POSH_LittleFloatBits( fRef ) ); - - if ( fTmp != fRef ) - { - return "*ERROR: POSH little endian floating point conversion failed. Please report this to poshlib@poshlib.org!\n"; - } - - fTmp = POSH_FloatFromBigBits( POSH_BigFloatBits( fRef ) ); - if ( fTmp != fRef ) - { - return "*ERROR: POSH big endian floating point conversion failed. Please report this to poshlib@poshlib.org!\n"; - } - - POSH_DoubleBits( dRef, dbuf ); - - dTmp = POSH_DoubleFromBits( dbuf ); - - if ( dTmp != dRef ) - { - return "*ERROR: POSH double precision floating point serialization failed. Please report this to poshlib@poshlib.org!\n"; - } - - return 0; -} -#endif /* !defined POSH_NO_FLOAT */ - -static -const char * -s_testEndianess( void ) -{ - /* check endianess */ - if ( s_testBigEndian() != IS_BIG_ENDIAN ) - { - return "*ERROR: POSH compile time endianess does not match run-time endianess verification. Please report this to poshlib@poshlib.org!\n"; - } - - /* make sure our endian swap routines work */ - if ( ( NATIVE32( 0x11223344L ) != 0x11223344L ) || - ( FOREIGN32( 0x11223344L ) != 0x44332211L ) || - ( NATIVE16( 0x1234 ) != 0x1234 ) || - ( FOREIGN16( 0x1234 ) != 0x3412 ) ) - { - return "*ERROR: POSH endianess macro selection failed. Please report this to poshlib@poshlib.org!\n"; - } - - /* test serialization routines */ - - return 0; -} -#endif /* !defined FORCE_DOXYGEN */ - -/** - Returns a string describing this platform's basic attributes. - - POSH_GetArchString() reports on an architecture's statically determined - attributes. In addition, it will perform run-time verification checks - to make sure the various platform specific functions work. If an error - occurs, please contact me at poshlib@poshlib.org so we can try to resolve - what the specific failure case is. - @returns a string describing this platform on success, or a string in the - form "*ERROR: [text]" on failure. You can simply check to see if - the first character returned is '*' to verify an error condition. -*/ -const char * -POSH_GetArchString( void ) -{ - const char *err; - const char *s = "OS:.............."POSH_OS_STRING"\n" - "CPU:............."POSH_CPU_STRING"\n" - "endian:.........."POSH_ENDIAN_STRING"\n" - "ptr size:........"POSH_POINTER_STRING"\n" - "64-bit ints......"POSH_64BIT_INTEGER_STRING"\n" - "floating point..."POSH_FLOAT_STRING"\n" - "compiler........."POSH_COMPILER_STRING"\n"; - - /* test endianess */ - err = s_testEndianess(); - - if ( err != 0 ) - { - return err; - } - - /* test serialization */ - err = s_testSerialization(); - - if ( err != 0 ) - { - return err; - } - -#if !defined POSH_NO_FLOAT - /* check that our floating point support is correct */ - err = s_testFloatingPoint(); - - if ( err != 0 ) - { - return err; - } - -#endif - - return s; -} - -/* ---------------------------------------------------------------------------*/ -/* BYTE SWAPPING SUPPORT */ -/* ---------------------------------------------------------------------------*/ -/** - * Byte swaps a 16-bit unsigned value - * - @ingroup ByteSwapFunctions - @param v [in] unsigned 16-bit input value to swap - @returns a byte swapped version of v - */ -posh_u16_t -POSH_SwapU16( posh_u16_t v ) -{ - posh_u16_t swapped; - - swapped = v << 8; - swapped |= v >> 8; - - return swapped; -} - -/** - * Byte swaps a 16-bit signed value - * - @ingroup ByteSwapFunctions - @param v [in] signed 16-bit input value to swap - @returns a byte swapped version of v - @remarks This just calls back to the unsigned version, since byte swapping - is independent of sign. However, we still provide this function to - avoid signed/unsigned mismatch compiler warnings. - */ -posh_i16_t -POSH_SwapI16( posh_i16_t v ) -{ - return ( posh_i16_t ) POSH_SwapU16( v ); -} - -/** - * Byte swaps a 32-bit unsigned value - * - @ingroup ByteSwapFunctions - @param v [in] unsigned 32-bit input value to swap - @returns a byte swapped version of v - */ -posh_u32_t -POSH_SwapU32( posh_u32_t v ) -{ - posh_u32_t swapped; - - swapped = ( v & 0xFF ) << 24; - swapped |= ( v & 0xFF00 ) << 8; - swapped |= ( v >> 8 ) & 0xFF00; - swapped |= ( v >> 24 ); - - return swapped; -} - -/** - * Byte swaps a 32-bit signed value - * - @ingroup ByteSwapFunctions - @param v [in] signed 32-bit input value to swap - @returns a byte swapped version of v - @remarks This just calls back to the unsigned version, since byte swapping - is independent of sign. However, we still provide this function to - avoid signed/unsigned mismatch compiler warnings. - */ -posh_i32_t -POSH_SwapI32( posh_i32_t v ) -{ - return ( posh_i32_t ) POSH_SwapU32( ( posh_u32_t ) v ); -} - -#if defined POSH_64BIT_INTEGER -/** - * Byte swaps a 64-bit unsigned value - - @param v [in] a 64-bit input value to swap - @ingroup SixtyFourBit - @returns a byte swapped version of v -*/ -posh_u64_t -POSH_SwapU64( posh_u64_t v ) -{ - posh_byte_t tmp; - union { - posh_byte_t bytes[ 8 ]; - posh_u64_t u64; - } u; - - u.u64 = v; - - tmp = u.bytes[ 0 ]; u.bytes[ 0 ] = u.bytes[ 7 ]; u.bytes[ 7 ] = tmp; - tmp = u.bytes[ 1 ]; u.bytes[ 1 ] = u.bytes[ 6 ]; u.bytes[ 6 ] = tmp; - tmp = u.bytes[ 2 ]; u.bytes[ 2 ] = u.bytes[ 5 ]; u.bytes[ 5 ] = tmp; - tmp = u.bytes[ 3 ]; u.bytes[ 3 ] = u.bytes[ 4 ]; u.bytes[ 4 ] = tmp; - - return u.u64; -} - -/** - * Byte swaps a 64-bit signed value - - @param v [in] a 64-bit input value to swap - @ingroup SixtyFourBit - @returns a byte swapped version of v -*/ -posh_i64_t -POSH_SwapI64( posh_i64_t v ) -{ - return ( posh_i64_t ) POSH_SwapU64( ( posh_u64_t ) v ); -} - -#endif /* defined POSH_64BIT_INTEGER */ - -/* ---------------------------------------------------------------------------*/ -/* IN-MEMORY SERIALIZATION */ -/* ---------------------------------------------------------------------------*/ - -/** - * Writes an unsigned 16-bit value to a little endian buffer - - @ingroup MemoryBuffer - @param dst [out] pointer to the destination buffer, may not be NULL. Alignment doesn't matter. - @param value [in] host-endian unsigned 16-bit value - @returns a pointer to the location two bytes after dst - @remarks does no validation of the inputs -*/ -posh_u16_t * -POSH_WriteU16ToLittle( void *dst, posh_u16_t value ) -{ - posh_u16_t *p16 = ( posh_u16_t * ) dst; - posh_byte_t *p = ( posh_byte_t * ) dst; - - p[ 0 ] = value & 0xFF; - p[ 1 ] = ( value & 0xFF00) >> 8; - - return p16 + 1; -} - -/** - * Writes a signed 16-bit value to a little endian buffer - - @ingroup MemoryBuffer - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian signed 16-bit value - @returns a pointer to the location two bytes after dst - @remarks does no validation of the inputs. This simply calls - POSH_WriteU16ToLittle() with appropriate casting. -*/ -posh_i16_t * -POSH_WriteI16ToLittle( void *dst, posh_i16_t value ) -{ - return ( posh_i16_t * ) POSH_WriteU16ToLittle( dst, ( posh_u16_t ) value ); -} - -/** - * Writes an unsigned 32-bit value to a little endian buffer - - @ingroup MemoryBuffer - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian signed 32-bit value - @returns a pointer to the location four bytes after dst - @remarks does no validation of the inputs. -*/ -posh_u32_t * -POSH_WriteU32ToLittle( void *dst, posh_u32_t value ) -{ - posh_u32_t *p32 = ( posh_u32_t * ) dst; - posh_byte_t *p = ( posh_byte_t * ) dst; - - p[ 0 ] = ( value & 0xFF ); - p[ 1 ] = ( value & 0xFF00 ) >> 8; - p[ 2 ] = ( value & 0xFF0000 ) >> 16; - p[ 3 ] = ( value & 0xFF000000 ) >> 24; - - return p32 + 1; -} - -/** - * Writes a signed 32-bit value to a little endian buffer - - @ingroup MemoryBuffer - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian signed 32-bit value - @returns a pointer to the location four bytes after dst - @remarks does no validation of the inputs. This simply calls - POSH_WriteU32ToLittle() with appropriate casting. -*/ -posh_i32_t * -POSH_WriteI32ToLittle( void *dst, posh_i32_t value ) -{ - return ( posh_i32_t * ) POSH_WriteU32ToLittle( dst, ( posh_u32_t ) value ); -} - -/** - * Writes an unsigned 16-bit value to a big endian buffer - - @ingroup MemoryBuffer - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian unsigned 16-bit value - @returns a pointer to the location two bytes after dst - @remarks does no validation of the inputs -*/ -posh_u16_t * -POSH_WriteU16ToBig( void *dst, posh_u16_t value ) -{ - posh_u16_t *p16 = ( posh_u16_t * ) dst; - posh_byte_t *p = ( posh_byte_t * ) dst; - - p[ 1 ] = ( value & 0xFF ); - p[ 0 ] = ( value & 0xFF00 ) >> 8; - - return p16 + 1; -} - -/** - * Writes a signed 16-bit value to a big endian buffer - - @ingroup MemoryBuffer - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian signed 16-bit value - @returns a pointer to the location two bytes after dst - @remarks does no validation of the inputs. This simply calls - POSH_WriteU16ToLittle() with appropriate casting. -*/ -posh_i16_t * -POSH_WriteI16ToBig( void *dst, posh_i16_t value ) -{ - return ( posh_i16_t * ) POSH_WriteU16ToBig( dst, ( posh_u16_t ) value ); -} - -/** - * Writes an unsigned 32-bit value to a big endian buffer - - @ingroup MemoryBuffer - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian unsigned 32-bit value - @returns a pointer to the location four bytes after dst - @remarks does no validation of the inputs. -*/ -posh_u32_t * -POSH_WriteU32ToBig( void *dst, posh_u32_t value ) -{ - posh_u32_t *p32 = ( posh_u32_t * ) dst; - posh_byte_t *p = ( posh_byte_t * ) dst; - - p[ 3 ] = ( value & 0xFF ); - p[ 2 ] = ( value & 0xFF00 ) >> 8; - p[ 1 ] = ( value & 0xFF0000 ) >> 16; - p[ 0 ] = ( value & 0xFF000000 ) >> 24; - - return p32 + 1; -} - -/** - * Writes a signed 32-bit value to a big endian buffer - - @ingroup MemoryBuffer - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian signed 32-bit value - @returns a pointer to the location four bytes after dst - @remarks does no validation of the inputs. This simply calls - POSH_WriteU32ToBig() with appropriate casting. -*/ -posh_i32_t * -POSH_WriteI32ToBig( void *dst, posh_i32_t value ) -{ - return ( posh_i32_t * ) POSH_WriteU32ToBig( dst, ( posh_u32_t ) value ); -} - -#if defined POSH_64BIT_INTEGER -/** - * Writes an unsigned 64-bit value to a little-endian buffer - - @ingroup SixtyFourBit - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian unsigned 64-bit value - @returns a pointer to the location eight bytes after dst - @remarks does no validation of the inputs. -*/ -posh_u64_t * -POSH_WriteU64ToLittle( void *dst, posh_u64_t value ) -{ - posh_u64_t *p64 = ( posh_u64_t * ) dst; - posh_byte_t *p = ( posh_byte_t * ) dst; - int i; - - for ( i = 0; i < 8; i++, value >>= 8 ) - { - p[ i ] = ( posh_byte_t ) ( value & 0xFF ); - } - - return p64 + 1; -} - -/** - * Writes a signed 64-bit value to a little-endian buffer - - @ingroup SixtyFourBit - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian unsigned 64-bit value - @returns a pointer to the location eight bytes after dst - @remarks does no validation of the inputs. -*/ -posh_i64_t * -POSH_WriteI64ToLittle( void *dst, posh_i64_t value ) -{ - return ( posh_i64_t * ) POSH_WriteU64ToLittle( dst, ( posh_u64_t ) value ); -} - -/** - * Writes an unsigned 64-bit value to a big-endian buffer - - @ingroup SixtyFourBit - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian unsigned 64-bit value - @returns a pointer to the location eight bytes after dst - @remarks does no validation of the inputs. -*/ -posh_u64_t * -POSH_WriteU64ToBig( void *dst, posh_u64_t value ) -{ - posh_u64_t *p64 = ( posh_u64_t * ) dst; - posh_byte_t *p = ( posh_byte_t * ) dst; - int i; - - for ( i = 0; i < 8; i++, value >>= 8 ) - { - p[ 7-i ] = ( posh_byte_t ) ( value & 0xFF ); - } - - return p64 + 8; -} - -/** - * Writes a signed 64-bit value to a big-endian buffer - - @ingroup SixtyFourBit - @param dst [out] pointer to the destination buffer, may not be NULL - @param value [in] host-endian signed 64-bit value - @returns a pointer to the location eight bytes after dst - @remarks does no validation of the inputs. -*/ -posh_i64_t * -POSH_WriteI64ToBig( void *dst, posh_i64_t value ) -{ - return ( posh_i64_t * ) POSH_WriteU64ToBig( dst, ( posh_u64_t ) value ); -} - -#endif /* POSH_64BIT_INTEGER */ - -/* ---------------------------------------------------------------------------*/ -/* IN-MEMORY DESERIALIZATION */ -/* ---------------------------------------------------------------------------*/ - -/** - * Reads an unsigned 16-bit value from a little-endian buffer - @ingroup MemoryBuffer - @param src [in] source buffer - @returns host-endian unsigned 16-bit value -*/ -posh_u16_t -POSH_ReadU16FromLittle( const void *src ) -{ - posh_u16_t v = 0; - posh_byte_t *p = ( posh_byte_t * ) src; - - v |= p[ 0 ]; - v |= ( ( posh_u16_t ) p[ 1 ] ) << 8; - - return v; -} - -/** - * Reads a signed 16-bit value from a little-endian buffer - @ingroup MemoryBuffer - @param src [in] source buffer - @returns host-endian signed 16-bit value -*/ -posh_i16_t -POSH_ReadI16FromLittle( const void *src ) -{ - return ( posh_i16_t ) POSH_ReadU16FromLittle( src ); -} - -/** - * Reads an unsigned 32-bit value from a little-endian buffer - @ingroup MemoryBuffer - @param src [in] source buffer - @returns host-endian unsigned 32-bit value -*/ -posh_u32_t -POSH_ReadU32FromLittle( const void *src ) -{ - posh_u32_t v = 0; - posh_byte_t *p = ( posh_byte_t * ) src; - - v |= p[ 0 ]; - v |= ( ( posh_u32_t ) p[ 1 ] ) << 8; - v |= ( ( posh_u32_t ) p[ 2 ] ) << 16; - v |= ( ( posh_u32_t ) p[ 3 ] ) << 24; - - return v; -} - -/** - * Reads a signed 32-bit value from a little-endian buffer - @ingroup MemoryBuffer - @param src [in] source buffer - @returns host-endian signed 32-bit value -*/ -posh_i32_t -POSH_ReadI32FromLittle( const void *src ) -{ - return ( posh_i32_t ) POSH_ReadU32FromLittle( src ); -} - - -/** - * Reads an unsigned 16-bit value from a big-endian buffer - @ingroup MemoryBuffer - @param src [in] source buffer - @returns host-endian unsigned 16-bit value -*/ -posh_u16_t -POSH_ReadU16FromBig( const void *src ) -{ - posh_u16_t v = 0; - posh_byte_t *p = ( posh_byte_t * ) src; - - v |= p[ 1 ]; - v |= ( ( posh_u16_t ) p[ 0 ] ) << 8; - - return v; -} - -/** - * Reads a signed 16-bit value from a big-endian buffer - @ingroup MemoryBuffer - @param src [in] source buffer - @returns host-endian signed 16-bit value -*/ -posh_i16_t -POSH_ReadI16FromBig( const void *src ) -{ - return ( posh_i16_t ) POSH_ReadU16FromBig( src ); -} - -/** - * Reads an unsigned 32-bit value from a big-endian buffer - @ingroup MemoryBuffer - @param src [in] source buffer - @returns host-endian unsigned 32-bit value -*/ -posh_u32_t -POSH_ReadU32FromBig( const void *src ) -{ - posh_u32_t v = 0; - posh_byte_t *p = ( posh_byte_t * ) src; - - v |= p[ 3 ]; - v |= ( ( posh_u32_t ) p[ 2 ] ) << 8; - v |= ( ( posh_u32_t ) p[ 1 ] ) << 16; - v |= ( ( posh_u32_t ) p[ 0 ] ) << 24; - - return v; -} - -/** - * Reads a signed 32-bit value from a big-endian buffer - @ingroup MemoryBuffer - @param src [in] source buffer - @returns host-endian signed 32-bit value -*/ -posh_i32_t -POSH_ReadI32FromBig( const void *src ) -{ - return POSH_BigI32( (*(const posh_i32_t*)src ) ); -} - -#if defined POSH_64BIT_INTEGER - -/** - * Reads an unsigned 64-bit value from a little-endian buffer - @param src [in] source buffer - @returns host-endian unsigned 32-bit value -*/ -posh_u64_t -POSH_ReadU64FromLittle( const void *src ) -{ - posh_u64_t v = 0; - posh_byte_t *p = ( posh_byte_t * ) src; - int i; - - for ( i = 0; i < 8; i++ ) - { - v |= ( ( posh_u64_t ) p[ i ] ) << (i*8); - } - - return v; -} - -/** - * Reads a signed 64-bit value from a little-endian buffer - @param src [in] source buffer - @returns host-endian signed 32-bit value -*/ -posh_i64_t -POSH_ReadI64FromLittle( const void *src ) -{ - return ( posh_i64_t ) POSH_ReadU64FromLittle( src ); -} - -/** - * Reads an unsigned 64-bit value from a big-endian buffer - @param src [in] source buffer - @returns host-endian unsigned 32-bit value -*/ -posh_u64_t -POSH_ReadU64FromBig( const void *src ) -{ - posh_u64_t v = 0; - posh_byte_t *p = ( posh_byte_t * ) src; - int i; - - for ( i = 0; i < 8; i++ ) - { - v |= ( ( posh_u64_t ) p[ 7-i ] ) << (i*8); - } - - return v; -} - -/** - * Reads an signed 64-bit value from a big-endian buffer - @param src [in] source buffer - @returns host-endian signed 32-bit value -*/ -posh_i64_t -POSH_ReadI64FromBig( const void *src ) -{ - return ( posh_i64_t ) POSH_ReadU64FromBig( src ); -} - -#endif /* POSH_64BIT_INTEGER */ - -/* ---------------------------------------------------------------------------*/ -/* FLOATING POINT SUPPORT */ -/* ---------------------------------------------------------------------------*/ - -#if !defined POSH_NO_FLOAT - -/** @ingroup FloatingPoint - @param[in] f floating point value - @returns a little-endian bit representation of f - */ -posh_u32_t -POSH_LittleFloatBits( float f ) -{ - union - { - float f32; - posh_u32_t u32; - } u; - - u.f32 = f; - - return POSH_LittleU32( u.u32 ); -} - -/** - * Extracts raw big-endian bits from a 32-bit floating point value - * - @ingroup FloatingPoint - @param f [in] floating point value - @returns a big-endian bit representation of f - */ -posh_u32_t -POSH_BigFloatBits( float f ) -{ - union - { - float f32; - posh_u32_t u32; - } u; - - u.f32 = f; - - return POSH_BigU32( u.u32 ); -} - -/** - * Extracts raw, little-endian bit representation from a 64-bit double. - * - @param d [in] 64-bit double precision value - @param dst [out] 8-byte storage buffer - @ingroup FloatingPoint - @returns the raw bits used to represent the value 'd', in the form dst[0]=LSB - */ -void -POSH_DoubleBits( double d, posh_byte_t dst[ 8 ] ) -{ - union - { - double d64; - posh_byte_t bytes[ 8 ]; - } u; - - u.d64 = d; - -#if defined POSH_LITTLE_ENDIAN - dst[ 0 ] = u.bytes[ 0 ]; - dst[ 1 ] = u.bytes[ 1 ]; - dst[ 2 ] = u.bytes[ 2 ]; - dst[ 3 ] = u.bytes[ 3 ]; - dst[ 4 ] = u.bytes[ 4 ]; - dst[ 5 ] = u.bytes[ 5 ]; - dst[ 6 ] = u.bytes[ 6 ]; - dst[ 7 ] = u.bytes[ 7 ]; -#else - dst[ 0 ] = u.bytes[ 7 ]; - dst[ 1 ] = u.bytes[ 6 ]; - dst[ 2 ] = u.bytes[ 5 ]; - dst[ 3 ] = u.bytes[ 4 ]; - dst[ 4 ] = u.bytes[ 3 ]; - dst[ 5 ] = u.bytes[ 2 ]; - dst[ 6 ] = u.bytes[ 1 ]; - dst[ 7 ] = u.bytes[ 0 ]; -#endif -} - -/** - * Creates a double-precision, 64-bit floating point value from a set of raw, - * little-endian bits - - @ingroup FloatingPoint - @param src [in] little-endian byte representation of 64-bit double precision - floating point value - @returns double precision floating point representation of the raw bits - @remarks No error checking is performed, so there are no guarantees that the - result is a valid number, nor is there any check to ensure that src is - non-NULL. BE CAREFUL USING THIS. - */ -double -POSH_DoubleFromBits( const posh_byte_t src[ 8 ] ) -{ - union - { - double d64; - posh_byte_t bytes[ 8 ]; - } u; - -#if defined POSH_LITTLE_ENDIAN - u.bytes[ 0 ] = src[ 0 ]; - u.bytes[ 1 ] = src[ 1 ]; - u.bytes[ 2 ] = src[ 2 ]; - u.bytes[ 3 ] = src[ 3 ]; - u.bytes[ 4 ] = src[ 4 ]; - u.bytes[ 5 ] = src[ 5 ]; - u.bytes[ 6 ] = src[ 6 ]; - u.bytes[ 7 ] = src[ 7 ]; -#else - u.bytes[ 0 ] = src[ 7 ]; - u.bytes[ 1 ] = src[ 6 ]; - u.bytes[ 2 ] = src[ 5 ]; - u.bytes[ 3 ] = src[ 4 ]; - u.bytes[ 4 ] = src[ 3 ]; - u.bytes[ 5 ] = src[ 2 ]; - u.bytes[ 6 ] = src[ 1 ]; - u.bytes[ 7 ] = src[ 0 ]; -#endif - - return u.d64; -} - -/** - * Creates a floating point number from little endian bits - * - @ingroup FloatingPoint - @param bits [in] raw floating point bits in little-endian form - @returns a floating point number based on the given bit representation - @remarks No error checking is performed, so there are no guarantees that the - result is a valid number. BE CAREFUL USING THIS. - */ -float -POSH_FloatFromLittleBits( posh_u32_t bits ) -{ - union - { - float f32; - posh_u32_t u32; - } u; - - u.u32 = bits; -#if defined POSH_BIG_ENDIAN - u.u32 = POSH_SwapU32( u.u32 ); -#endif - - return u.f32; -} - -/** - * Creates a floating point number from big-endian bits - * - @ingroup FloatingPoint - @param bits [in] raw floating point bits in big-endian form - @returns a floating point number based on the given bit representation - @remarks No error checking is performed, so there are no guarantees that the - result is a valid number. BE CAREFUL USING THIS. - */ -float -POSH_FloatFromBigBits( posh_u32_t bits ) -{ - union - { - float f32; - posh_u32_t u32; - } u; - - u.u32 = bits; -#if defined POSH_LITTLE_ENDIAN - u.u32 = POSH_SwapU32( u.u32 ); -#endif - - return u.f32; -} - -#endif /* !defined POSH_NO_FLOAT */ +/* +LICENSE: + +Copyright (c) 2004, Brian Hook +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * The names of this package'ss contributors contributors may not + be used to endorse or promote products derived from this + software without specific prior written permission. + + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/** + @file posh.c + @author Brian Hook + @date 2002 + @brief Portable Open Source Harness primary source file +*/ +#include "posh.h" + +#if !defined FORCE_DOXYGEN + +#if !defined POSH_NO_FLOAT +# define POSH_FLOAT_STRING "enabled" +#else +# define POSH_FLOAT_STRING "disabled" +#endif + +#if defined POSH_64BIT_INTEGER +# define POSH_64BIT_INTEGER_STRING "yes" +#else +# define POSH_64BIT_INTEGER_STRING "no" +#endif + +#if defined POSH_64BIT_POINTER +# define POSH_POINTER_STRING "64-bits" +#else +# define POSH_POINTER_STRING "32-bits" +#endif + +#if defined POSH_LITTLE_ENDIAN +# define IS_BIG_ENDIAN 0 + +# define NATIVE16 POSH_LittleU16 +# define NATIVE32 POSH_LittleU32 +# define NATIVE64 POSH_LittleU64 +# define FOREIGN16 POSH_BigU16 +# define FOREIGN32 POSH_BigU32 +# define FOREIGN64 POSH_BigU64 +#else +# define IS_BIG_ENDIAN 1 + +# define NATIVE16 POSH_BigU16 +# define NATIVE32 POSH_BigU32 +# define NATIVE64 POSH_BigU64 +# define FOREIGN16 POSH_LittleU16 +# define FOREIGN32 POSH_LittleU32 +# define FOREIGN64 POSH_LittleU64 +#endif /* POSH_LITTLE_ENDIAN */ + +static +int +s_testBigEndian( void ) +{ + union + { + posh_byte_t c[ 4 ]; + posh_u32_t i; + } u; + + u.i= 1; + + if ( u.c[ 0 ] == 1 ) + { + return 0; + } + return 1; +} + +static +const char * +s_testSerialization( void ) +{ + posh_byte_t serbuf[ 8 ]; + posh_u16_t tmp16; + posh_u32_t tmp32; + + /* 16-bit serialization */ + POSH_WriteU16ToLittle( serbuf, 0xABCD ); + if ( ( tmp16 = POSH_ReadU16FromLittle( serbuf ) ) != 0xABCD ) + { + return "*ERROR: failed little-endian 16-bit serialization test"; + } + + POSH_WriteU16ToBig( serbuf, 0xABCD ); + if ( ( tmp16 = POSH_ReadU16FromBig( serbuf ) ) != 0xABCD ) + { + return "*ERROR: failed big-endian 16-bit serialization test"; + } + + /* 32-bit serialization */ + POSH_WriteU32ToLittle( serbuf, 0xABCD1234L ); + if ( ( tmp32 = POSH_ReadU32FromLittle( serbuf ) ) != 0xABCD1234 ) + { + return "*ERROR: failed little-endian 32-bit serialization test"; + } + + POSH_WriteU32ToBig( serbuf, 0xABCD1234L ); + if ( ( tmp32 = POSH_ReadU32FromBig( serbuf ) ) != 0xABCD1234 ) + { + return "*ERROR: failed big-endian 32-bit serialization test"; + } + +#if defined POSH_64BIT_INTEGER + { +#define REF64 POSH_U64(0xFEDCBA9876543210) + + posh_u64_t tmp64; + + POSH_WriteU64ToLittle( serbuf, REF64 ); + + if ( ( tmp64 = POSH_ReadU64FromLittle( serbuf ) ) != REF64 ) + { + return "*ERROR: failed little-endian 64-bit serialization test"; + } + + POSH_WriteU64ToBig( serbuf, REF64 ); + + if ( ( tmp64 = POSH_ReadU64FromBig( serbuf ) ) != REF64 ) + { + return "*ERROR: failed big-endian 64-bit serialization test"; + } + } +#endif + + return 0; +} + +#if !defined POSH_NO_FLOAT +static +const char * +s_testFloatingPoint( void ) +{ + float fRef = 10.0f/30.0f; + double dRef = 10.0/30.0; + posh_byte_t dbuf[ 8 ]; + float fTmp; + double dTmp; + + fTmp = POSH_FloatFromLittleBits( POSH_LittleFloatBits( fRef ) ); + + if ( fTmp != fRef ) + { + return "*ERROR: POSH little endian floating point conversion failed. Please report this to poshlib@poshlib.org!\n"; + } + + fTmp = POSH_FloatFromBigBits( POSH_BigFloatBits( fRef ) ); + if ( fTmp != fRef ) + { + return "*ERROR: POSH big endian floating point conversion failed. Please report this to poshlib@poshlib.org!\n"; + } + + POSH_DoubleBits( dRef, dbuf ); + + dTmp = POSH_DoubleFromBits( dbuf ); + + if ( dTmp != dRef ) + { + return "*ERROR: POSH double precision floating point serialization failed. Please report this to poshlib@poshlib.org!\n"; + } + + return 0; +} +#endif /* !defined POSH_NO_FLOAT */ + +static +const char * +s_testEndianess( void ) +{ + /* check endianess */ + if ( s_testBigEndian() != IS_BIG_ENDIAN ) + { + return "*ERROR: POSH compile time endianess does not match run-time endianess verification. Please report this to poshlib@poshlib.org!\n"; + } + + /* make sure our endian swap routines work */ + if ( ( NATIVE32( 0x11223344L ) != 0x11223344L ) || + ( FOREIGN32( 0x11223344L ) != 0x44332211L ) || + ( NATIVE16( 0x1234 ) != 0x1234 ) || + ( FOREIGN16( 0x1234 ) != 0x3412 ) ) + { + return "*ERROR: POSH endianess macro selection failed. Please report this to poshlib@poshlib.org!\n"; + } + + /* test serialization routines */ + + return 0; +} +#endif /* !defined FORCE_DOXYGEN */ + +/** + Returns a string describing this platform's basic attributes. + + POSH_GetArchString() reports on an architecture's statically determined + attributes. In addition, it will perform run-time verification checks + to make sure the various platform specific functions work. If an error + occurs, please contact me at poshlib@poshlib.org so we can try to resolve + what the specific failure case is. + @returns a string describing this platform on success, or a string in the + form "*ERROR: [text]" on failure. You can simply check to see if + the first character returned is '*' to verify an error condition. +*/ +const char * +POSH_GetArchString( void ) +{ + const char *err; + const char *s = "OS:.............."POSH_OS_STRING"\n" + "CPU:............."POSH_CPU_STRING"\n" + "endian:.........."POSH_ENDIAN_STRING"\n" + "ptr size:........"POSH_POINTER_STRING"\n" + "64-bit ints......"POSH_64BIT_INTEGER_STRING"\n" + "floating point..."POSH_FLOAT_STRING"\n" + "compiler........."POSH_COMPILER_STRING"\n"; + + /* test endianess */ + err = s_testEndianess(); + + if ( err != 0 ) + { + return err; + } + + /* test serialization */ + err = s_testSerialization(); + + if ( err != 0 ) + { + return err; + } + +#if !defined POSH_NO_FLOAT + /* check that our floating point support is correct */ + err = s_testFloatingPoint(); + + if ( err != 0 ) + { + return err; + } + +#endif + + return s; +} + +/* ---------------------------------------------------------------------------*/ +/* BYTE SWAPPING SUPPORT */ +/* ---------------------------------------------------------------------------*/ +/** + * Byte swaps a 16-bit unsigned value + * + @ingroup ByteSwapFunctions + @param v [in] unsigned 16-bit input value to swap + @returns a byte swapped version of v + */ +posh_u16_t +POSH_SwapU16( posh_u16_t v ) +{ + posh_u16_t swapped; + + swapped = v << 8; + swapped |= v >> 8; + + return swapped; +} + +/** + * Byte swaps a 16-bit signed value + * + @ingroup ByteSwapFunctions + @param v [in] signed 16-bit input value to swap + @returns a byte swapped version of v + @remarks This just calls back to the unsigned version, since byte swapping + is independent of sign. However, we still provide this function to + avoid signed/unsigned mismatch compiler warnings. + */ +posh_i16_t +POSH_SwapI16( posh_i16_t v ) +{ + return ( posh_i16_t ) POSH_SwapU16( v ); +} + +/** + * Byte swaps a 32-bit unsigned value + * + @ingroup ByteSwapFunctions + @param v [in] unsigned 32-bit input value to swap + @returns a byte swapped version of v + */ +posh_u32_t +POSH_SwapU32( posh_u32_t v ) +{ + posh_u32_t swapped; + + swapped = ( v & 0xFF ) << 24; + swapped |= ( v & 0xFF00 ) << 8; + swapped |= ( v >> 8 ) & 0xFF00; + swapped |= ( v >> 24 ); + + return swapped; +} + +/** + * Byte swaps a 32-bit signed value + * + @ingroup ByteSwapFunctions + @param v [in] signed 32-bit input value to swap + @returns a byte swapped version of v + @remarks This just calls back to the unsigned version, since byte swapping + is independent of sign. However, we still provide this function to + avoid signed/unsigned mismatch compiler warnings. + */ +posh_i32_t +POSH_SwapI32( posh_i32_t v ) +{ + return ( posh_i32_t ) POSH_SwapU32( ( posh_u32_t ) v ); +} + +#if defined POSH_64BIT_INTEGER +/** + * Byte swaps a 64-bit unsigned value + + @param v [in] a 64-bit input value to swap + @ingroup SixtyFourBit + @returns a byte swapped version of v +*/ +posh_u64_t +POSH_SwapU64( posh_u64_t v ) +{ + posh_byte_t tmp; + union { + posh_byte_t bytes[ 8 ]; + posh_u64_t u64; + } u; + + u.u64 = v; + + tmp = u.bytes[ 0 ]; u.bytes[ 0 ] = u.bytes[ 7 ]; u.bytes[ 7 ] = tmp; + tmp = u.bytes[ 1 ]; u.bytes[ 1 ] = u.bytes[ 6 ]; u.bytes[ 6 ] = tmp; + tmp = u.bytes[ 2 ]; u.bytes[ 2 ] = u.bytes[ 5 ]; u.bytes[ 5 ] = tmp; + tmp = u.bytes[ 3 ]; u.bytes[ 3 ] = u.bytes[ 4 ]; u.bytes[ 4 ] = tmp; + + return u.u64; +} + +/** + * Byte swaps a 64-bit signed value + + @param v [in] a 64-bit input value to swap + @ingroup SixtyFourBit + @returns a byte swapped version of v +*/ +posh_i64_t +POSH_SwapI64( posh_i64_t v ) +{ + return ( posh_i64_t ) POSH_SwapU64( ( posh_u64_t ) v ); +} + +#endif /* defined POSH_64BIT_INTEGER */ + +/* ---------------------------------------------------------------------------*/ +/* IN-MEMORY SERIALIZATION */ +/* ---------------------------------------------------------------------------*/ + +/** + * Writes an unsigned 16-bit value to a little endian buffer + + @ingroup MemoryBuffer + @param dst [out] pointer to the destination buffer, may not be NULL. Alignment doesn't matter. + @param value [in] host-endian unsigned 16-bit value + @returns a pointer to the location two bytes after dst + @remarks does no validation of the inputs +*/ +posh_u16_t * +POSH_WriteU16ToLittle( void *dst, posh_u16_t value ) +{ + posh_u16_t *p16 = ( posh_u16_t * ) dst; + posh_byte_t *p = ( posh_byte_t * ) dst; + + p[ 0 ] = value & 0xFF; + p[ 1 ] = ( value & 0xFF00) >> 8; + + return p16 + 1; +} + +/** + * Writes a signed 16-bit value to a little endian buffer + + @ingroup MemoryBuffer + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian signed 16-bit value + @returns a pointer to the location two bytes after dst + @remarks does no validation of the inputs. This simply calls + POSH_WriteU16ToLittle() with appropriate casting. +*/ +posh_i16_t * +POSH_WriteI16ToLittle( void *dst, posh_i16_t value ) +{ + return ( posh_i16_t * ) POSH_WriteU16ToLittle( dst, ( posh_u16_t ) value ); +} + +/** + * Writes an unsigned 32-bit value to a little endian buffer + + @ingroup MemoryBuffer + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian signed 32-bit value + @returns a pointer to the location four bytes after dst + @remarks does no validation of the inputs. +*/ +posh_u32_t * +POSH_WriteU32ToLittle( void *dst, posh_u32_t value ) +{ + posh_u32_t *p32 = ( posh_u32_t * ) dst; + posh_byte_t *p = ( posh_byte_t * ) dst; + + p[ 0 ] = ( value & 0xFF ); + p[ 1 ] = ( value & 0xFF00 ) >> 8; + p[ 2 ] = ( value & 0xFF0000 ) >> 16; + p[ 3 ] = ( value & 0xFF000000 ) >> 24; + + return p32 + 1; +} + +/** + * Writes a signed 32-bit value to a little endian buffer + + @ingroup MemoryBuffer + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian signed 32-bit value + @returns a pointer to the location four bytes after dst + @remarks does no validation of the inputs. This simply calls + POSH_WriteU32ToLittle() with appropriate casting. +*/ +posh_i32_t * +POSH_WriteI32ToLittle( void *dst, posh_i32_t value ) +{ + return ( posh_i32_t * ) POSH_WriteU32ToLittle( dst, ( posh_u32_t ) value ); +} + +/** + * Writes an unsigned 16-bit value to a big endian buffer + + @ingroup MemoryBuffer + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian unsigned 16-bit value + @returns a pointer to the location two bytes after dst + @remarks does no validation of the inputs +*/ +posh_u16_t * +POSH_WriteU16ToBig( void *dst, posh_u16_t value ) +{ + posh_u16_t *p16 = ( posh_u16_t * ) dst; + posh_byte_t *p = ( posh_byte_t * ) dst; + + p[ 1 ] = ( value & 0xFF ); + p[ 0 ] = ( value & 0xFF00 ) >> 8; + + return p16 + 1; +} + +/** + * Writes a signed 16-bit value to a big endian buffer + + @ingroup MemoryBuffer + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian signed 16-bit value + @returns a pointer to the location two bytes after dst + @remarks does no validation of the inputs. This simply calls + POSH_WriteU16ToLittle() with appropriate casting. +*/ +posh_i16_t * +POSH_WriteI16ToBig( void *dst, posh_i16_t value ) +{ + return ( posh_i16_t * ) POSH_WriteU16ToBig( dst, ( posh_u16_t ) value ); +} + +/** + * Writes an unsigned 32-bit value to a big endian buffer + + @ingroup MemoryBuffer + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian unsigned 32-bit value + @returns a pointer to the location four bytes after dst + @remarks does no validation of the inputs. +*/ +posh_u32_t * +POSH_WriteU32ToBig( void *dst, posh_u32_t value ) +{ + posh_u32_t *p32 = ( posh_u32_t * ) dst; + posh_byte_t *p = ( posh_byte_t * ) dst; + + p[ 3 ] = ( value & 0xFF ); + p[ 2 ] = ( value & 0xFF00 ) >> 8; + p[ 1 ] = ( value & 0xFF0000 ) >> 16; + p[ 0 ] = ( value & 0xFF000000 ) >> 24; + + return p32 + 1; +} + +/** + * Writes a signed 32-bit value to a big endian buffer + + @ingroup MemoryBuffer + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian signed 32-bit value + @returns a pointer to the location four bytes after dst + @remarks does no validation of the inputs. This simply calls + POSH_WriteU32ToBig() with appropriate casting. +*/ +posh_i32_t * +POSH_WriteI32ToBig( void *dst, posh_i32_t value ) +{ + return ( posh_i32_t * ) POSH_WriteU32ToBig( dst, ( posh_u32_t ) value ); +} + +#if defined POSH_64BIT_INTEGER +/** + * Writes an unsigned 64-bit value to a little-endian buffer + + @ingroup SixtyFourBit + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian unsigned 64-bit value + @returns a pointer to the location eight bytes after dst + @remarks does no validation of the inputs. +*/ +posh_u64_t * +POSH_WriteU64ToLittle( void *dst, posh_u64_t value ) +{ + posh_u64_t *p64 = ( posh_u64_t * ) dst; + posh_byte_t *p = ( posh_byte_t * ) dst; + int i; + + for ( i = 0; i < 8; i++, value >>= 8 ) + { + p[ i ] = ( posh_byte_t ) ( value & 0xFF ); + } + + return p64 + 1; +} + +/** + * Writes a signed 64-bit value to a little-endian buffer + + @ingroup SixtyFourBit + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian unsigned 64-bit value + @returns a pointer to the location eight bytes after dst + @remarks does no validation of the inputs. +*/ +posh_i64_t * +POSH_WriteI64ToLittle( void *dst, posh_i64_t value ) +{ + return ( posh_i64_t * ) POSH_WriteU64ToLittle( dst, ( posh_u64_t ) value ); +} + +/** + * Writes an unsigned 64-bit value to a big-endian buffer + + @ingroup SixtyFourBit + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian unsigned 64-bit value + @returns a pointer to the location eight bytes after dst + @remarks does no validation of the inputs. +*/ +posh_u64_t * +POSH_WriteU64ToBig( void *dst, posh_u64_t value ) +{ + posh_u64_t *p64 = ( posh_u64_t * ) dst; + posh_byte_t *p = ( posh_byte_t * ) dst; + int i; + + for ( i = 0; i < 8; i++, value >>= 8 ) + { + p[ 7-i ] = ( posh_byte_t ) ( value & 0xFF ); + } + + return p64 + 8; +} + +/** + * Writes a signed 64-bit value to a big-endian buffer + + @ingroup SixtyFourBit + @param dst [out] pointer to the destination buffer, may not be NULL + @param value [in] host-endian signed 64-bit value + @returns a pointer to the location eight bytes after dst + @remarks does no validation of the inputs. +*/ +posh_i64_t * +POSH_WriteI64ToBig( void *dst, posh_i64_t value ) +{ + return ( posh_i64_t * ) POSH_WriteU64ToBig( dst, ( posh_u64_t ) value ); +} + +#endif /* POSH_64BIT_INTEGER */ + +/* ---------------------------------------------------------------------------*/ +/* IN-MEMORY DESERIALIZATION */ +/* ---------------------------------------------------------------------------*/ + +/** + * Reads an unsigned 16-bit value from a little-endian buffer + @ingroup MemoryBuffer + @param src [in] source buffer + @returns host-endian unsigned 16-bit value +*/ +posh_u16_t +POSH_ReadU16FromLittle( const void *src ) +{ + posh_u16_t v = 0; + posh_byte_t *p = ( posh_byte_t * ) src; + + v |= p[ 0 ]; + v |= ( ( posh_u16_t ) p[ 1 ] ) << 8; + + return v; +} + +/** + * Reads a signed 16-bit value from a little-endian buffer + @ingroup MemoryBuffer + @param src [in] source buffer + @returns host-endian signed 16-bit value +*/ +posh_i16_t +POSH_ReadI16FromLittle( const void *src ) +{ + return ( posh_i16_t ) POSH_ReadU16FromLittle( src ); +} + +/** + * Reads an unsigned 32-bit value from a little-endian buffer + @ingroup MemoryBuffer + @param src [in] source buffer + @returns host-endian unsigned 32-bit value +*/ +posh_u32_t +POSH_ReadU32FromLittle( const void *src ) +{ + posh_u32_t v = 0; + posh_byte_t *p = ( posh_byte_t * ) src; + + v |= p[ 0 ]; + v |= ( ( posh_u32_t ) p[ 1 ] ) << 8; + v |= ( ( posh_u32_t ) p[ 2 ] ) << 16; + v |= ( ( posh_u32_t ) p[ 3 ] ) << 24; + + return v; +} + +/** + * Reads a signed 32-bit value from a little-endian buffer + @ingroup MemoryBuffer + @param src [in] source buffer + @returns host-endian signed 32-bit value +*/ +posh_i32_t +POSH_ReadI32FromLittle( const void *src ) +{ + return ( posh_i32_t ) POSH_ReadU32FromLittle( src ); +} + + +/** + * Reads an unsigned 16-bit value from a big-endian buffer + @ingroup MemoryBuffer + @param src [in] source buffer + @returns host-endian unsigned 16-bit value +*/ +posh_u16_t +POSH_ReadU16FromBig( const void *src ) +{ + posh_u16_t v = 0; + posh_byte_t *p = ( posh_byte_t * ) src; + + v |= p[ 1 ]; + v |= ( ( posh_u16_t ) p[ 0 ] ) << 8; + + return v; +} + +/** + * Reads a signed 16-bit value from a big-endian buffer + @ingroup MemoryBuffer + @param src [in] source buffer + @returns host-endian signed 16-bit value +*/ +posh_i16_t +POSH_ReadI16FromBig( const void *src ) +{ + return ( posh_i16_t ) POSH_ReadU16FromBig( src ); +} + +/** + * Reads an unsigned 32-bit value from a big-endian buffer + @ingroup MemoryBuffer + @param src [in] source buffer + @returns host-endian unsigned 32-bit value +*/ +posh_u32_t +POSH_ReadU32FromBig( const void *src ) +{ + posh_u32_t v = 0; + posh_byte_t *p = ( posh_byte_t * ) src; + + v |= p[ 3 ]; + v |= ( ( posh_u32_t ) p[ 2 ] ) << 8; + v |= ( ( posh_u32_t ) p[ 1 ] ) << 16; + v |= ( ( posh_u32_t ) p[ 0 ] ) << 24; + + return v; +} + +/** + * Reads a signed 32-bit value from a big-endian buffer + @ingroup MemoryBuffer + @param src [in] source buffer + @returns host-endian signed 32-bit value +*/ +posh_i32_t +POSH_ReadI32FromBig( const void *src ) +{ + return POSH_BigI32( (*(const posh_i32_t*)src ) ); +} + +#if defined POSH_64BIT_INTEGER + +/** + * Reads an unsigned 64-bit value from a little-endian buffer + @param src [in] source buffer + @returns host-endian unsigned 32-bit value +*/ +posh_u64_t +POSH_ReadU64FromLittle( const void *src ) +{ + posh_u64_t v = 0; + posh_byte_t *p = ( posh_byte_t * ) src; + int i; + + for ( i = 0; i < 8; i++ ) + { + v |= ( ( posh_u64_t ) p[ i ] ) << (i*8); + } + + return v; +} + +/** + * Reads a signed 64-bit value from a little-endian buffer + @param src [in] source buffer + @returns host-endian signed 32-bit value +*/ +posh_i64_t +POSH_ReadI64FromLittle( const void *src ) +{ + return ( posh_i64_t ) POSH_ReadU64FromLittle( src ); +} + +/** + * Reads an unsigned 64-bit value from a big-endian buffer + @param src [in] source buffer + @returns host-endian unsigned 32-bit value +*/ +posh_u64_t +POSH_ReadU64FromBig( const void *src ) +{ + posh_u64_t v = 0; + posh_byte_t *p = ( posh_byte_t * ) src; + int i; + + for ( i = 0; i < 8; i++ ) + { + v |= ( ( posh_u64_t ) p[ 7-i ] ) << (i*8); + } + + return v; +} + +/** + * Reads an signed 64-bit value from a big-endian buffer + @param src [in] source buffer + @returns host-endian signed 32-bit value +*/ +posh_i64_t +POSH_ReadI64FromBig( const void *src ) +{ + return ( posh_i64_t ) POSH_ReadU64FromBig( src ); +} + +#endif /* POSH_64BIT_INTEGER */ + +/* ---------------------------------------------------------------------------*/ +/* FLOATING POINT SUPPORT */ +/* ---------------------------------------------------------------------------*/ + +#if !defined POSH_NO_FLOAT + +/** @ingroup FloatingPoint + @param[in] f floating point value + @returns a little-endian bit representation of f + */ +posh_u32_t +POSH_LittleFloatBits( float f ) +{ + union + { + float f32; + posh_u32_t u32; + } u; + + u.f32 = f; + + return POSH_LittleU32( u.u32 ); +} + +/** + * Extracts raw big-endian bits from a 32-bit floating point value + * + @ingroup FloatingPoint + @param f [in] floating point value + @returns a big-endian bit representation of f + */ +posh_u32_t +POSH_BigFloatBits( float f ) +{ + union + { + float f32; + posh_u32_t u32; + } u; + + u.f32 = f; + + return POSH_BigU32( u.u32 ); +} + +/** + * Extracts raw, little-endian bit representation from a 64-bit double. + * + @param d [in] 64-bit double precision value + @param dst [out] 8-byte storage buffer + @ingroup FloatingPoint + @returns the raw bits used to represent the value 'd', in the form dst[0]=LSB + */ +void +POSH_DoubleBits( double d, posh_byte_t dst[ 8 ] ) +{ + union + { + double d64; + posh_byte_t bytes[ 8 ]; + } u; + + u.d64 = d; + +#if defined POSH_LITTLE_ENDIAN + dst[ 0 ] = u.bytes[ 0 ]; + dst[ 1 ] = u.bytes[ 1 ]; + dst[ 2 ] = u.bytes[ 2 ]; + dst[ 3 ] = u.bytes[ 3 ]; + dst[ 4 ] = u.bytes[ 4 ]; + dst[ 5 ] = u.bytes[ 5 ]; + dst[ 6 ] = u.bytes[ 6 ]; + dst[ 7 ] = u.bytes[ 7 ]; +#else + dst[ 0 ] = u.bytes[ 7 ]; + dst[ 1 ] = u.bytes[ 6 ]; + dst[ 2 ] = u.bytes[ 5 ]; + dst[ 3 ] = u.bytes[ 4 ]; + dst[ 4 ] = u.bytes[ 3 ]; + dst[ 5 ] = u.bytes[ 2 ]; + dst[ 6 ] = u.bytes[ 1 ]; + dst[ 7 ] = u.bytes[ 0 ]; +#endif +} + +/** + * Creates a double-precision, 64-bit floating point value from a set of raw, + * little-endian bits + + @ingroup FloatingPoint + @param src [in] little-endian byte representation of 64-bit double precision + floating point value + @returns double precision floating point representation of the raw bits + @remarks No error checking is performed, so there are no guarantees that the + result is a valid number, nor is there any check to ensure that src is + non-NULL. BE CAREFUL USING THIS. + */ +double +POSH_DoubleFromBits( const posh_byte_t src[ 8 ] ) +{ + union + { + double d64; + posh_byte_t bytes[ 8 ]; + } u; + +#if defined POSH_LITTLE_ENDIAN + u.bytes[ 0 ] = src[ 0 ]; + u.bytes[ 1 ] = src[ 1 ]; + u.bytes[ 2 ] = src[ 2 ]; + u.bytes[ 3 ] = src[ 3 ]; + u.bytes[ 4 ] = src[ 4 ]; + u.bytes[ 5 ] = src[ 5 ]; + u.bytes[ 6 ] = src[ 6 ]; + u.bytes[ 7 ] = src[ 7 ]; +#else + u.bytes[ 0 ] = src[ 7 ]; + u.bytes[ 1 ] = src[ 6 ]; + u.bytes[ 2 ] = src[ 5 ]; + u.bytes[ 3 ] = src[ 4 ]; + u.bytes[ 4 ] = src[ 3 ]; + u.bytes[ 5 ] = src[ 2 ]; + u.bytes[ 6 ] = src[ 1 ]; + u.bytes[ 7 ] = src[ 0 ]; +#endif + + return u.d64; +} + +/** + * Creates a floating point number from little endian bits + * + @ingroup FloatingPoint + @param bits [in] raw floating point bits in little-endian form + @returns a floating point number based on the given bit representation + @remarks No error checking is performed, so there are no guarantees that the + result is a valid number. BE CAREFUL USING THIS. + */ +float +POSH_FloatFromLittleBits( posh_u32_t bits ) +{ + union + { + float f32; + posh_u32_t u32; + } u; + + u.u32 = bits; +#if defined POSH_BIG_ENDIAN + u.u32 = POSH_SwapU32( u.u32 ); +#endif + + return u.f32; +} + +/** + * Creates a floating point number from big-endian bits + * + @ingroup FloatingPoint + @param bits [in] raw floating point bits in big-endian form + @returns a floating point number based on the given bit representation + @remarks No error checking is performed, so there are no guarantees that the + result is a valid number. BE CAREFUL USING THIS. + */ +float +POSH_FloatFromBigBits( posh_u32_t bits ) +{ + union + { + float f32; + posh_u32_t u32; + } u; + + u.u32 = bits; +#if defined POSH_LITTLE_ENDIAN + u.u32 = POSH_SwapU32( u.u32 ); +#endif + + return u.f32; +} + +#endif /* !defined POSH_NO_FLOAT */ diff --git a/src/nvcore/poshlib/posh.h b/src/nvcore/poshlib/posh.h index eb79cd5..3a7c381 100644 --- a/src/nvcore/poshlib/posh.h +++ b/src/nvcore/poshlib/posh.h @@ -1,1007 +1,1007 @@ -/** -@file posh.h -@author Brian Hook -@version 1.3.001 - -Header file for POSH, the Portable Open Source Harness project. - -NOTE: Unlike most header files, this one is designed to be included -multiple times, which is why it does not have the @#ifndef/@#define -preamble. - -POSH relies on environment specified preprocessor symbols in order -to infer as much as possible about the target OS/architecture and -the host compiler capabilities. - -NOTE: POSH is simple and focused. It attempts to provide basic -functionality and information, but it does NOT attempt to emulate -missing functionality. I am also not willing to make POSH dirty -and hackish to support truly ancient and/or outmoded and/or bizarre -technologies such as non-ANSI compilers, systems with non-IEEE -floating point formats, segmented 16-bit operating systems, etc. - -Please refer to the accompanying HTML documentation or visit -http://www.poshlib.org for more information on how to use POSH. - -LICENSE: - -Copyright (c) 2004, Brian Hook -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are -met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the following - disclaimer in the documentation and/or other materials provided - with the distribution. - - * The names of this package'ss contributors contributors may not - be used to endorse or promote products derived from this - software without specific prior written permission. - - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -REVISION: - -I've been lax about revision histories, so this starts at, um, 1.3.001. -Sorry for any inconveniences. - -1.3.001 - 2/23/2006 - Incorporated fix for bug reported by Bill Cary, - where I was not detecting Visual Studio - compilation on x86-64 systems. Added check for - _M_X64 which should fix that. - -*/ -/* -I have yet to find an authoritative reference on preprocessor -symbols, but so far this is what I've gleaned: - -GNU GCC/G++: - - __GNUC__: GNU C version - - __GNUG__: GNU C++ compiler - - __sun__ : on Sun platforms - - __svr4__: on Solaris and other SysV R4 platforms - - __mips__: on MIPS processor platforms - - __sparc_v9__: on Sparc 64-bit CPUs - - __sparcv9: 64-bit Solaris - - __MIPSEL__: mips processor, compiled for little endian - - __MIPSEB__: mips processor, compiled for big endian - - _R5900: MIPS/Sony/Toshiba R5900 (PS2) - - mc68000: 68K - - m68000: 68K - - m68k: 68K - - __palmos__: PalmOS - -Intel C/C++ Compiler: - - __ECC : compiler version, IA64 only - - __EDG__ - - __ELF__ - - __GXX_ABI_VERSION - - __i386 : IA-32 only - - __i386__ : IA-32 only - - i386 : IA-32 only - - __ia64 : IA-64 only - - __ia64__ : IA-64 only - - ia64 : IA-64 only - - __ICC : IA-32 only - - __INTEL_COMPILER : IA-32 or IA-64, newer versions only - -Apple's C/C++ Compiler for OS X: - - __APPLE_CC__ - - __APPLE__ - - __BIG_ENDIAN__ - - __APPLE__ - - __ppc__ - - __MACH__ - -DJGPP: - - __MSDOS__ - - __unix__ - - __unix - - __GNUC__ - - __GO32 - - DJGPP - - __i386, __i386, i386 - -Cray's C compiler: - - _ADDR64: if 64-bit pointers - - _UNICOS: - - __unix: - -SGI's CC compiler predefines the following (and more) with -ansi: - - __sgi - - __unix - - __host_mips - - _SYSTYPE_SVR4 - - __mips - - _MIPSEB - - anyone know if there is a predefined symbol for the compiler?! - -MinGW: - - as GnuC but also defines _WIN32, __WIN32, WIN32, _X86_, __i386, __i386__, and several others - - __MINGW32__ - -Cygwin: - - as Gnu C, but also - - __unix__ - - __CYGWIN32__ - -Microsoft Visual Studio predefines the following: - - _MSC_VER - - _WIN32: on Win32 - - _M_IX6 (on x86 systems) - - _M_X64: on x86-64 systems - - _M_ALPHA (on DEC AXP systems) - - _SH3: WinCE, Hitachi SH-3 - - _MIPS: WinCE, MIPS - - _ARM: WinCE, ARM - -Sun's C Compiler: - - sun and _sun - - unix and _unix - - sparc and _sparc (SPARC systems only) - - i386 and _i386 (x86 systems only) - - __SVR4 (Solaris only) - - __sparcv9: 64-bit solaris - - __SUNPRO_C - - _LP64: defined in 64-bit LP64 mode, but only if is included - -Borland C/C++ predefines the following: - - __BORLANDC__: - -DEC/Compaq C/C++ on Alpha: - - __alpha - - __arch64__ - - __unix__ (on Tru64 Unix) - - __osf__ - - __DECC - - __DECCXX (C++ compilation) - - __DECC_VER - - __DECCXX_VER - -IBM's AIX compiler: - - __64BIT__ if 64-bit mode - - _AIX - - __IBMC__: C compiler version - - __IBMCPP__: C++ compiler version - - _LONG_LONG: compiler allows long long - -Watcom: - - __WATCOMC__ - - __DOS__ : if targeting DOS - - __386__ : if 32-bit support - - __WIN32__ : if targetin 32-bit Windows - -HP-UX C/C++ Compiler: - - __hpux - - __unix - - __hppa (on PA-RISC) - - __LP64__: if compiled in 64-bit mode - -Metrowerks: - - __MWERKS__ - - __powerpc__ - - _powerc - - __MC68K__ - - macintosh when compiling for MacOS - - __INTEL__ for x86 targets - - __POWERPC__ - -*/ - -/* -** ---------------------------------------------------------------------------- -** Include optionally -** ---------------------------------------------------------------------------- -*/ -#ifdef POSH_USE_LIMITS_H -# include -#endif - -/* -** ---------------------------------------------------------------------------- -** Determine compilation environment -** ---------------------------------------------------------------------------- -*/ -#if defined __ECC || defined __ICC || defined __INTEL_COMPILER -# define POSH_COMPILER_STRING "Intel C/C++" -# define POSH_COMPILER_INTEL 1 -#endif - -#if ( defined __host_mips || defined __sgi ) && !defined __GNUC__ -# define POSH_COMPILER_STRING "MIPSpro C/C++" -# define POSH_COMPILER_MIPSPRO 1 -#endif - -#if defined __hpux && !defined __GNUC__ -# define POSH_COMPILER_STRING "HP-UX CC" -# define POSH_COMPILER_HPCC 1 -#endif - -#if defined __GNUC__ -# define POSH_COMPILER_STRING "Gnu GCC" -# define POSH_COMPILER_GCC 1 -#endif - -#if defined __APPLE_CC__ - /* we don't define the compiler string here, let it be GNU */ -# define POSH_COMPILER_APPLECC 1 -#endif - -#if defined __IBMC__ || defined __IBMCPP__ -# define POSH_COMPILER_STRING "IBM C/C++" -# define POSH_COMPILER_IBM 1 -#endif - -#if defined _MSC_VER -# define POSH_COMPILER_STRING "Microsoft Visual C++" -# define POSH_COMPILER_MSVC 1 -#endif - -#if defined __SUNPRO_C -# define POSH_COMPILER_STRING "Sun Pro" -# define POSH_COMPILER_SUN 1 -#endif - -#if defined __BORLANDC__ -# define POSH_COMPILER_STRING "Borland C/C++" -# define POSH_COMPILER_BORLAND 1 -#endif - -#if defined __MWERKS__ -# define POSH_COMPILER_STRING "MetroWerks CodeWarrior" -# define POSH_COMPILER_METROWERKS 1 -#endif - -#if defined __DECC || defined __DECCXX -# define POSH_COMPILER_STRING "Compaq/DEC C/C++" -# define POSH_COMPILER_DEC 1 -#endif - -#if defined __WATCOMC__ -# define POSH_COMPILER_STRING "Watcom C/C++" -# define POSH_COMPILER_WATCOM 1 -#endif - -#if !defined POSH_COMPILER_STRING -# define POSH_COMPILER_STRING "Unknown compiler" -#endif - -/* -** ---------------------------------------------------------------------------- -** Determine target operating system -** ---------------------------------------------------------------------------- -*/ -#if defined linux || defined __linux__ -# define POSH_OS_LINUX 1 -# define POSH_OS_STRING "Linux" -#endif - -#if defined __CYGWIN32__ -# define POSH_OS_CYGWIN32 1 -# define POSH_OS_STRING "Cygwin" -#endif - -#if defined GEKKO -# define POSH_OS_GAMECUBE -# define __powerpc__ -# define POSH_OS_STRING "GameCube" -#endif - -#if defined __MINGW32__ -# define POSH_OS_MINGW 1 -# define POSH_OS_STRING "MinGW" -#endif - -#if defined GO32 && defined DJGPP && defined __MSDOS__ -# define POSH_OS_GO32 1 -# define POSH_OS_STRING "GO32/MS-DOS" -#endif - -/* NOTE: make sure you use /bt=DOS if compiling for 32-bit DOS, - otherwise Watcom assumes host=target */ -#if defined __WATCOMC__ && defined __386__ && defined __DOS__ -# define POSH_OS_DOS32 1 -# define POSH_OS_STRING "DOS/32-bit" -#endif - -#if defined _UNICOS -# define POSH_OS_UNICOS 1 -# define POSH_OS_STRING "UNICOS" -#endif - -#if ( defined __MWERKS__ && defined __powerc && !defined macintosh ) || defined __APPLE_CC__ || defined macosx -# define POSH_OS_OSX 1 -# define POSH_OS_STRING "MacOS X" -#endif - -#if defined __sun__ || defined sun || defined __sun || defined __solaris__ -# if defined __SVR4 || defined __svr4__ || defined __solaris__ -# define POSH_OS_STRING "Solaris" -# define POSH_OS_SOLARIS 1 -# endif -# if !defined POSH_OS_STRING -# define POSH_OS_STRING "SunOS" -# define POSH_OS_SUNOS 1 -# endif -#endif - -#if defined __sgi__ || defined sgi || defined __sgi -# define POSH_OS_IRIX 1 -# define POSH_OS_STRING "Irix" -#endif - -#if defined __hpux__ || defined __hpux -# define POSH_OS_HPUX 1 -# define POSH_OS_STRING "HP-UX" -#endif - -#if defined _AIX -# define POSH_OS_AIX 1 -# define POSH_OS_STRING "AIX" -#endif - -#if ( defined __alpha && defined __osf__ ) -# define POSH_OS_TRU64 1 -# define POSH_OS_STRING "Tru64" -#endif - -#if defined __BEOS__ || defined __beos__ -# define POSH_OS_BEOS 1 -# define POSH_OS_STRING "BeOS" -#endif - -#if defined amiga || defined amigados || defined AMIGA || defined _AMIGA -# define POSH_OS_AMIGA 1 -# define POSH_OS_STRING "Amiga" -#endif - -#if defined __unix__ -# define POSH_OS_UNIX 1 -# if !defined POSH_OS_STRING -# define POSH_OS_STRING "Unix-like(generic)" -# endif -#endif - -#if defined _WIN32_WCE -# define POSH_OS_WINCE 1 -# define POSH_OS_STRING "Windows CE" -#endif - -#if defined _XBOX -# define POSH_OS_XBOX 1 -# define POSH_OS_STRING "XBOX" -#endif - -#if defined _WIN32 || defined WIN32 || defined __NT__ || defined __WIN32__ -# define POSH_OS_WIN32 1 -# if !defined POSH_OS_XBOX -# if defined _WIN64 -# define POSH_OS_WIN64 1 -# define POSH_OS_STRING "Win64" -# else -# if !defined POSH_OS_STRING -# define POSH_OS_STRING "Win32" -# endif -# endif -# endif -#endif - -#if defined __palmos__ -# define POSH_OS_PALM 1 -# define POSH_OS_STRING "PalmOS" -#endif - -#if defined THINK_C || defined macintosh -# define POSH_OS_MACOS 1 -# define POSH_OS_STRING "MacOS" -#endif - -/* -** ----------------------------------------------------------------------------- -** Determine target CPU -** ----------------------------------------------------------------------------- -*/ - -#if defined GEKKO -# define POSH_CPU_PPC750 1 -# define POSH_CPU_STRING "IBM PowerPC 750 (NGC)" -#endif - -#if defined mc68000 || defined m68k || defined __MC68K__ || defined m68000 -# define POSH_CPU_68K 1 -# define POSH_CPU_STRING "MC68000" -#endif - -#if defined __PPC__ || defined __POWERPC__ || defined powerpc || defined _POWER || defined __ppc__ || defined __powerpc__ -# define POSH_CPU_PPC 1 -# if !defined POSH_CPU_STRING -# if defined __powerpc64__ -# define POSH_CPU_STRING "PowerPC64" -# else -# define POSH_CPU_STRING "PowerPC" -# endif -# endif -#endif - -#if defined _CRAYT3E || defined _CRAYMPP -# define POSH_CPU_CRAYT3E 1 /* target processor is a DEC Alpha 21164 used in a Cray T3E*/ -# define POSH_CPU_STRING "Cray T3E (Alpha 21164)" -#endif - -#if defined CRAY || defined _CRAY && !defined _CRAYT3E -# error Non-AXP Cray systems not supported -#endif - -#if defined _SH3 -# define POSH_CPU_SH3 1 -# define POSH_CPU_STRING "Hitachi SH-3" -#endif - -#if defined __sh4__ || defined __SH4__ -# define POSH_CPU_SH3 1 -# define POSH_CPU_SH4 1 -# define POSH_CPU_STRING "Hitachi SH-4" -#endif - -#if defined __sparc__ || defined __sparc -# if defined __arch64__ || defined __sparcv9 || defined __sparc_v9__ -# define POSH_CPU_SPARC64 1 -# define POSH_CPU_STRING "Sparc/64" -# else -# define POSH_CPU_STRING "Sparc/32" -# endif -# define POSH_CPU_SPARC 1 -#endif - -#if defined ARM || defined __arm__ || defined _ARM -# define POSH_CPU_STRONGARM 1 -# define POSH_CPU_STRING "ARM" -#endif - -#if defined mips || defined __mips__ || defined __MIPS__ || defined _MIPS -# define POSH_CPU_MIPS 1 -# if defined _R5900 -# define POSH_CPU_STRING "MIPS R5900 (PS2)" -# else -# define POSH_CPU_STRING "MIPS" -# endif -#endif - -#if defined __ia64 || defined _M_IA64 || defined __ia64__ -# define POSH_CPU_IA64 1 -# define POSH_CPU_STRING "IA64" -#endif - -#if defined __X86__ || defined __i386__ || defined i386 || defined _M_IX86 || defined __386__ || defined __x86_64__ || defined _M_X64 -# define POSH_CPU_X86 1 -# if defined __x86_64__ || defined _M_X64 -# define POSH_CPU_X86_64 1 -# endif -# if defined POSH_CPU_X86_64 -# define POSH_CPU_STRING "AMD x86-64" -# else -# define POSH_CPU_STRING "Intel 386+" -# endif -#endif - -#if defined __alpha || defined alpha || defined _M_ALPHA || defined __alpha__ -# define POSH_CPU_AXP 1 -# define POSH_CPU_STRING "AXP" -#endif - -#if defined __hppa || defined hppa -# define POSH_CPU_HPPA 1 -# define POSH_CPU_STRING "PA-RISC" -#endif - -#if !defined POSH_CPU_STRING -# error POSH cannot determine target CPU -# define POSH_CPU_STRING "Unknown" /* this is here for Doxygen's benefit */ -#endif - -/* -** ----------------------------------------------------------------------------- -** Attempt to autodetect building for embedded on Sony PS2 -** ----------------------------------------------------------------------------- -*/ -#if !defined POSH_OS_STRING -# if !defined FORCE_DOXYGEN -# define POSH_OS_EMBEDDED 1 -# endif -# if defined _R5900 -# define POSH_OS_STRING "Sony PS2(embedded)" -# else -# define POSH_OS_STRING "Embedded/Unknown" -# endif -#endif - -/* -** --------------------------------------------------------------------------- -** Handle cdecl, stdcall, fastcall, etc. -** --------------------------------------------------------------------------- -*/ -#if defined POSH_CPU_X86 && !defined POSH_CPU_X86_64 -# if defined __GNUC__ -# define POSH_CDECL __attribute__((cdecl)) -# define POSH_STDCALL __attribute__((stdcall)) -# define POSH_FASTCALL __attribute__((fastcall)) -# elif ( defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__ || defined __MWERKS__ ) -# define POSH_CDECL __cdecl -# define POSH_STDCALL __stdcall -# define POSH_FASTCALL __fastcall -# endif -#else -# define POSH_CDECL -# define POSH_STDCALL -# define POSH_FASTCALL -#endif - -/* -** --------------------------------------------------------------------------- -** Define POSH_IMPORTEXPORT signature based on POSH_DLL and POSH_BUILDING_LIB -** --------------------------------------------------------------------------- -*/ - -/* -** We undefine this so that multiple inclusions will work -*/ -#if defined POSH_IMPORTEXPORT -# undef POSH_IMPORTEXPORT -#endif - -#if defined POSH_DLL -# if defined POSH_OS_WIN32 -# if defined _MSC_VER -# if ( _MSC_VER >= 800 ) -# if defined POSH_BUILDING_LIB -# define POSH_IMPORTEXPORT __declspec( dllexport ) -# else -# define POSH_IMPORTEXPORT __declspec( dllimport ) -# endif -# else -# if defined POSH_BUILDING_LIB -# define POSH_IMPORTEXPORT __export -# else -# define POSH_IMPORTEXPORT -# endif -# endif -# endif /* defined _MSC_VER */ -# if defined __BORLANDC__ -# if ( __BORLANDC__ >= 0x500 ) -# if defined POSH_BUILDING_LIB -# define POSH_IMPORTEXPORT __declspec( dllexport ) -# else -# define POSH_IMPORTEXPORT __declspec( dllimport ) -# endif -# else -# if defined POSH_BUILDING_LIB -# define POSH_IMPORTEXPORT __export -# else -# define POSH_IMPORTEXPORT -# endif -# endif -# endif /* defined __BORLANDC__ */ - /* for all other compilers, we're just making a blanket assumption */ -# if defined __GNUC__ || defined __WATCOMC__ || defined __MWERKS__ -# if defined POSH_BUILDING_LIB -# define POSH_IMPORTEXPORT __declspec( dllexport ) -# else -# define POSH_IMPORTEXPORT __declspec( dllimport ) -# endif -# endif /* all other compilers */ -# if !defined POSH_IMPORTEXPORT -# error Building DLLs not supported on this compiler (poshlib@poshlib.org if you know how) -# endif -# endif /* defined POSH_OS_WIN32 */ -#endif - -/* On pretty much everything else, we can thankfully just ignore this */ -#if !defined POSH_IMPORTEXPORT -# define POSH_IMPORTEXPORT -#endif - -#if defined FORCE_DOXYGEN -# define POSH_DLL -# define POSH_BUILDING_LIB -# undef POSH_DLL -# undef POSH_BUILDING_LIB -#endif - -/* -** ---------------------------------------------------------------------------- -** (Re)define POSH_PUBLIC_API export signature -** ---------------------------------------------------------------------------- -*/ -#ifdef POSH_PUBLIC_API -# undef POSH_PUBLIC_API -#endif - -#if ( ( defined _MSC_VER ) && ( _MSC_VER < 800 ) ) || ( defined __BORLANDC__ && ( __BORLANDC__ < 0x500 ) ) -# define POSH_PUBLIC_API(rtype) extern rtype POSH_IMPORTEXPORT -#else -# define POSH_PUBLIC_API(rtype) extern POSH_IMPORTEXPORT rtype -#endif - -/* -** ---------------------------------------------------------------------------- -** Try to infer endianess. Basically we just go through the CPUs we know are -** little endian, and assume anything that isn't one of those is big endian. -** As a sanity check, we also do this with operating systems we know are -** little endian, such as Windows. Some processors are bi-endian, such as -** the MIPS series, so we have to be careful about those. -** ---------------------------------------------------------------------------- -*/ -#if defined POSH_CPU_X86 || defined POSH_CPU_AXP || defined POSH_CPU_STRONGARM || defined POSH_OS_WIN32 || defined POSH_OS_WINCE || defined __MIPSEL__ -# define POSH_ENDIAN_STRING "little" -# define POSH_LITTLE_ENDIAN 1 -#else -# define POSH_ENDIAN_STRING "big" -# define POSH_BIG_ENDIAN 1 -#endif - -#if defined FORCE_DOXYGEN -# define POSH_LITTLE_ENDIAN -#endif - -/* -** ---------------------------------------------------------------------------- -** Cross-platform compile time assertion macro -** ---------------------------------------------------------------------------- -*/ -#define POSH_COMPILE_TIME_ASSERT(name, x) typedef int _POSH_dummy_ ## name[(x) ? 1 : -1 ] - -/* -** ---------------------------------------------------------------------------- -** 64-bit Integer -** -** We don't require 64-bit support, nor do we emulate its functionality, we -** simply export it if it's available. Since we can't count on -** for 64-bit support, we ignore the POSH_USE_LIMITS_H directive. -** ---------------------------------------------------------------------------- -*/ -#if defined ( __LP64__ ) || defined ( __powerpc64__ ) || defined POSH_CPU_SPARC64 -# define POSH_64BIT_INTEGER 1 -typedef long posh_i64_t; -typedef unsigned long posh_u64_t; -# define POSH_I64( x ) ((posh_i64_t)x) -# define POSH_U64( x ) ((posh_u64_t)x) -# define POSH_I64_PRINTF_PREFIX "l" -#elif defined _MSC_VER || defined __BORLANDC__ || defined __WATCOMC__ || ( defined __alpha && defined __DECC ) -# define POSH_64BIT_INTEGER 1 -typedef __int64 posh_i64_t; -typedef unsigned __int64 posh_u64_t; -# define POSH_I64( x ) ((posh_i64_t)x) -# define POSH_U64( x ) ((posh_u64_t)x) -# define POSH_I64_PRINTF_PREFIX "I64" -#elif defined __GNUC__ || defined __MWERKS__ || defined __SUNPRO_C || defined __SUNPRO_CC || defined __APPLE_CC__ || defined POSH_OS_IRIX || defined _LONG_LONG || defined _CRAYC -# define POSH_64BIT_INTEGER 1 -typedef long long posh_i64_t; -typedef unsigned long long posh_u64_t; -# define POSH_U64( x ) ((posh_u64_t)(x##LL)) -# define POSH_I64( x ) ((posh_i64_t)(x##LL)) -# define POSH_I64_PRINTF_PREFIX "ll" -#endif - -/* hack */ -/*#ifdef __MINGW32__ -#undef POSH_I64 -#undef POSH_U64 -#undef POSH_I64_PRINTF_PREFIX -#define POSH_I64( x ) ((posh_i64_t)x) -#define POSH_U64( x ) ((posh_u64_t)x) -#define POSH_I64_PRINTF_PREFIX "I64" -#endif*/ - -#ifdef FORCE_DOXYGEN -typedef long long posh_i64_t; -typedef unsigned long posh_u64_t; -# define POSH_64BIT_INTEGER -# define POSH_I64_PRINTF_PREFIX -# define POSH_I64(x) -# define POSH_U64(x) -#endif - -/** Minimum value for a 64-bit signed integer */ -#define POSH_I64_MIN POSH_I64(0x8000000000000000) -/** Maximum value for a 64-bit signed integer */ -#define POSH_I64_MAX POSH_I64(0x7FFFFFFFFFFFFFFF) -/** Minimum value for a 64-bit unsigned integer */ -#define POSH_U64_MIN POSH_U64(0) -/** Maximum value for a 64-bit unsigned integer */ -#define POSH_U64_MAX POSH_U64(0xFFFFFFFFFFFFFFFF) - -/* ---------------------------------------------------------------------------- -** Basic Sized Types -** -** These types are expected to be EXACTLY sized so you can use them for -** serialization. -** ---------------------------------------------------------------------------- -*/ -#define POSH_FALSE 0 -#define POSH_TRUE 1 - -typedef int posh_bool_t; -typedef unsigned char posh_byte_t; - -/* NOTE: These assume that CHAR_BIT is 8!! */ -typedef unsigned char posh_u8_t; -typedef signed char posh_i8_t; - -#if defined POSH_USE_LIMITS_H -# if CHAR_BITS > 8 -# error This machine uses 9-bit characters. This is a warning, you can comment this out now. -# endif /* CHAR_BITS > 8 */ - -/* 16-bit */ -# if ( USHRT_MAX == 65535 ) - typedef unsigned short posh_u16_t; - typedef short posh_i16_t; -# else - /* Yes, in theory there could still be a 16-bit character type and shorts are - 32-bits in size...if you find such an architecture, let me know =P */ -# error No 16-bit type found -# endif - -/* 32-bit */ -# if ( INT_MAX == 2147483647 ) - typedef unsigned posh_u32_t; - typedef int posh_i32_t; -# elif ( LONG_MAX == 2147483647 ) - typedef unsigned long posh_u32_t; - typedef long posh_i32_t; -# else - error No 32-bit type found -# endif - -#else /* POSH_USE_LIMITS_H */ - - typedef unsigned short posh_u16_t; - typedef short posh_i16_t; - -# if !defined POSH_OS_PALM - typedef unsigned posh_u32_t; - typedef int posh_i32_t; -# else - typedef unsigned long posh_u32_t; - typedef long posh_i32_t; -# endif -#endif - -/** Minimum value for a byte */ -#define POSH_BYTE_MIN 0 -/** Maximum value for an 8-bit unsigned value */ -#define POSH_BYTE_MAX 255 -/** Minimum value for a byte */ -#define POSH_I16_MIN ( ( posh_i16_t ) 0x8000 ) -/** Maximum value for a 16-bit signed value */ -#define POSH_I16_MAX ( ( posh_i16_t ) 0x7FFF ) -/** Minimum value for a 16-bit unsigned value */ -#define POSH_U16_MIN 0 -/** Maximum value for a 16-bit unsigned value */ -#define POSH_U16_MAX ( ( posh_u16_t ) 0xFFFF ) -/** Minimum value for a 32-bit signed value */ -#define POSH_I32_MIN ( ( posh_i32_t ) 0x80000000 ) -/** Maximum value for a 32-bit signed value */ -#define POSH_I32_MAX ( ( posh_i32_t ) 0x7FFFFFFF ) -/** Minimum value for a 32-bit unsigned value */ -#define POSH_U32_MIN 0 -/** Maximum value for a 32-bit unsigned value */ -#define POSH_U32_MAX ( ( posh_u32_t ) 0xFFFFFFFF ) - -/* -** ---------------------------------------------------------------------------- -** Sanity checks on expected sizes -** ---------------------------------------------------------------------------- -*/ -#if !defined FORCE_DOXYGEN - -POSH_COMPILE_TIME_ASSERT(posh_byte_t, sizeof(posh_byte_t) == 1); -POSH_COMPILE_TIME_ASSERT(posh_u8_t, sizeof(posh_u8_t) == 1); -POSH_COMPILE_TIME_ASSERT(posh_i8_t, sizeof(posh_i8_t) == 1); -POSH_COMPILE_TIME_ASSERT(posh_u16_t, sizeof(posh_u16_t) == 2); -POSH_COMPILE_TIME_ASSERT(posh_i16_t, sizeof(posh_i16_t) == 2); -POSH_COMPILE_TIME_ASSERT(posh_u32_t, sizeof(posh_u32_t) == 4); -POSH_COMPILE_TIME_ASSERT(posh_i32_t, sizeof(posh_i32_t) == 4); - -#if !defined POSH_NO_FLOAT - POSH_COMPILE_TIME_ASSERT(posh_testfloat_t, sizeof(float)==4 ); - POSH_COMPILE_TIME_ASSERT(posh_testdouble_t, sizeof(double)==8); -#endif - -#if defined POSH_64BIT_INTEGER - POSH_COMPILE_TIME_ASSERT(posh_u64_t, sizeof(posh_u64_t) == 8); - POSH_COMPILE_TIME_ASSERT(posh_i64_t, sizeof(posh_i64_t) == 8); -#endif - -#endif - -/* -** ---------------------------------------------------------------------------- -** 64-bit pointer support -** ---------------------------------------------------------------------------- -*/ -#if defined POSH_CPU_AXP && ( defined POSH_OS_TRU64 || defined POSH_OS_LINUX ) -# define POSH_64BIT_POINTER 1 -#endif - -#if defined POSH_CPU_X86_64 && defined POSH_OS_LINUX -# define POSH_64BIT_POINTER 1 -#endif - -#if defined POSH_CPU_SPARC64 || defined POSH_OS_WIN64 || defined __64BIT__ || defined __LP64 || defined _LP64 || defined __LP64__ || defined _ADDR64 || defined _CRAYC -# define POSH_64BIT_POINTER 1 -#endif - -#if defined POSH_64BIT_POINTER - POSH_COMPILE_TIME_ASSERT( posh_64bit_pointer, sizeof( void * ) == 8 ); -#elif !defined FORCE_DOXYGEN -/* if this assertion is hit then you're on a system that either has 64-bit - addressing and we didn't catch it, or you're on a system with 16-bit - pointers. In the latter case, POSH doesn't actually care, we're just - triggering this assertion to make sure you're aware of the situation, - so feel free to delete it. - - If this assertion is triggered on a known 32 or 64-bit platform, - please let us know (poshlib@poshlib.org) */ - POSH_COMPILE_TIME_ASSERT( posh_32bit_pointer, sizeof( void * ) == 4 ); -#endif - -#if defined FORCE_DOXYGEN -# define POSH_64BIT_POINTER -#endif - -/* -** ---------------------------------------------------------------------------- -** POSH Utility Functions -** -** These are optional POSH utility functions that are not required if you don't -** need anything except static checking of your host and target environment. -** -** These functions are NOT wrapped with POSH_PUBLIC_API because I didn't want -** to enforce their export if your own library is only using them internally. -** ---------------------------------------------------------------------------- -*/ -#ifdef __cplusplus -extern "C" { -#endif - -const char *POSH_GetArchString( void ); - -#if !defined POSH_NO_FLOAT - -posh_u32_t POSH_LittleFloatBits( float f ); -posh_u32_t POSH_BigFloatBits( float f ); -float POSH_FloatFromLittleBits( posh_u32_t bits ); -float POSH_FloatFromBigBits( posh_u32_t bits ); - -void POSH_DoubleBits( double d, posh_byte_t dst[ 8 ] ); -double POSH_DoubleFromBits( const posh_byte_t src[ 8 ] ); - -/* unimplemented -float *POSH_WriteFloatToLittle( void *dst, float f ); -float *POSH_WriteFloatToBig( void *dst, float f ); -float POSH_ReadFloatFromLittle( const void *src ); -float POSH_ReadFloatFromBig( const void *src ); - -double *POSH_WriteDoubleToLittle( void *dst, double d ); -double *POSH_WriteDoubleToBig( void *dst, double d ); -double POSH_ReadDoubleFromLittle( const void *src ); -double POSH_ReadDoubleFromBig( const void *src ); -*/ -#endif /* !defined POSH_NO_FLOAT */ - -#if defined FORCE_DOXYGEN -# define POSH_NO_FLOAT -# undef POSH_NO_FLOAT -#endif - -extern posh_u16_t POSH_SwapU16( posh_u16_t u ); -extern posh_i16_t POSH_SwapI16( posh_i16_t u ); -extern posh_u32_t POSH_SwapU32( posh_u32_t u ); -extern posh_i32_t POSH_SwapI32( posh_i32_t u ); - -#if defined POSH_64BIT_INTEGER - -extern posh_u64_t POSH_SwapU64( posh_u64_t u ); -extern posh_i64_t POSH_SwapI64( posh_i64_t u ); - -#endif /*POSH_64BIT_INTEGER */ - -extern posh_u16_t *POSH_WriteU16ToLittle( void *dst, posh_u16_t value ); -extern posh_i16_t *POSH_WriteI16ToLittle( void *dst, posh_i16_t value ); -extern posh_u32_t *POSH_WriteU32ToLittle( void *dst, posh_u32_t value ); -extern posh_i32_t *POSH_WriteI32ToLittle( void *dst, posh_i32_t value ); - -extern posh_u16_t *POSH_WriteU16ToBig( void *dst, posh_u16_t value ); -extern posh_i16_t *POSH_WriteI16ToBig( void *dst, posh_i16_t value ); -extern posh_u32_t *POSH_WriteU32ToBig( void *dst, posh_u32_t value ); -extern posh_i32_t *POSH_WriteI32ToBig( void *dst, posh_i32_t value ); - -extern posh_u16_t POSH_ReadU16FromLittle( const void *src ); -extern posh_i16_t POSH_ReadI16FromLittle( const void *src ); -extern posh_u32_t POSH_ReadU32FromLittle( const void *src ); -extern posh_i32_t POSH_ReadI32FromLittle( const void *src ); - -extern posh_u16_t POSH_ReadU16FromBig( const void *src ); -extern posh_i16_t POSH_ReadI16FromBig( const void *src ); -extern posh_u32_t POSH_ReadU32FromBig( const void *src ); -extern posh_i32_t POSH_ReadI32FromBig( const void *src ); - -#if defined POSH_64BIT_INTEGER -extern posh_u64_t *POSH_WriteU64ToLittle( void *dst, posh_u64_t value ); -extern posh_i64_t *POSH_WriteI64ToLittle( void *dst, posh_i64_t value ); -extern posh_u64_t *POSH_WriteU64ToBig( void *dst, posh_u64_t value ); -extern posh_i64_t *POSH_WriteI64ToBig( void *dst, posh_i64_t value ); - -extern posh_u64_t POSH_ReadU64FromLittle( const void *src ); -extern posh_i64_t POSH_ReadI64FromLittle( const void *src ); -extern posh_u64_t POSH_ReadU64FromBig( const void *src ); -extern posh_i64_t POSH_ReadI64FromBig( const void *src ); -#endif /* POSH_64BIT_INTEGER */ - -#if defined POSH_LITTLE_ENDIAN - -# define POSH_LittleU16(x) (x) -# define POSH_LittleU32(x) (x) -# define POSH_LittleI16(x) (x) -# define POSH_LittleI32(x) (x) -# if defined POSH_64BIT_INTEGER -# define POSH_LittleU64(x) (x) -# define POSH_LittleI64(x) (x) -# endif /* defined POSH_64BIT_INTEGER */ - -# define POSH_BigU16(x) POSH_SwapU16(x) -# define POSH_BigU32(x) POSH_SwapU32(x) -# define POSH_BigI16(x) POSH_SwapI16(x) -# define POSH_BigI32(x) POSH_SwapI32(x) -# if defined POSH_64BIT_INTEGER -# define POSH_BigU64(x) POSH_SwapU64(x) -# define POSH_BigI64(x) POSH_SwapI64(x) -# endif /* defined POSH_64BIT_INTEGER */ - -#else - -# define POSH_BigU16(x) (x) -# define POSH_BigU32(x) (x) -# define POSH_BigI16(x) (x) -# define POSH_BigI32(x) (x) - -# if defined POSH_64BIT_INTEGER -# define POSH_BigU64(x) (x) -# define POSH_BigI64(x) (x) -# endif /* POSH_64BIT_INTEGER */ - -# define POSH_LittleU16(x) POSH_SwapU16(x) -# define POSH_LittleU32(x) POSH_SwapU32(x) -# define POSH_LittleI16(x) POSH_SwapI16(x) -# define POSH_LittleI32(x) POSH_SwapI32(x) - -# if defined POSH_64BIT_INTEGER -# define POSH_LittleU64(x) POSH_SwapU64(x) -# define POSH_LittleI64(x) POSH_SwapI64(x) -# endif /* POSH_64BIT_INTEGER */ - -#endif - -#ifdef __cplusplus -} -#endif - - +/** +@file posh.h +@author Brian Hook +@version 1.3.001 + +Header file for POSH, the Portable Open Source Harness project. + +NOTE: Unlike most header files, this one is designed to be included +multiple times, which is why it does not have the @#ifndef/@#define +preamble. + +POSH relies on environment specified preprocessor symbols in order +to infer as much as possible about the target OS/architecture and +the host compiler capabilities. + +NOTE: POSH is simple and focused. It attempts to provide basic +functionality and information, but it does NOT attempt to emulate +missing functionality. I am also not willing to make POSH dirty +and hackish to support truly ancient and/or outmoded and/or bizarre +technologies such as non-ANSI compilers, systems with non-IEEE +floating point formats, segmented 16-bit operating systems, etc. + +Please refer to the accompanying HTML documentation or visit +http://www.poshlib.org for more information on how to use POSH. + +LICENSE: + +Copyright (c) 2004, Brian Hook +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + + * The names of this package'ss contributors contributors may not + be used to endorse or promote products derived from this + software without specific prior written permission. + + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +REVISION: + +I've been lax about revision histories, so this starts at, um, 1.3.001. +Sorry for any inconveniences. + +1.3.001 - 2/23/2006 - Incorporated fix for bug reported by Bill Cary, + where I was not detecting Visual Studio + compilation on x86-64 systems. Added check for + _M_X64 which should fix that. + +*/ +/* +I have yet to find an authoritative reference on preprocessor +symbols, but so far this is what I've gleaned: + +GNU GCC/G++: + - __GNUC__: GNU C version + - __GNUG__: GNU C++ compiler + - __sun__ : on Sun platforms + - __svr4__: on Solaris and other SysV R4 platforms + - __mips__: on MIPS processor platforms + - __sparc_v9__: on Sparc 64-bit CPUs + - __sparcv9: 64-bit Solaris + - __MIPSEL__: mips processor, compiled for little endian + - __MIPSEB__: mips processor, compiled for big endian + - _R5900: MIPS/Sony/Toshiba R5900 (PS2) + - mc68000: 68K + - m68000: 68K + - m68k: 68K + - __palmos__: PalmOS + +Intel C/C++ Compiler: + - __ECC : compiler version, IA64 only + - __EDG__ + - __ELF__ + - __GXX_ABI_VERSION + - __i386 : IA-32 only + - __i386__ : IA-32 only + - i386 : IA-32 only + - __ia64 : IA-64 only + - __ia64__ : IA-64 only + - ia64 : IA-64 only + - __ICC : IA-32 only + - __INTEL_COMPILER : IA-32 or IA-64, newer versions only + +Apple's C/C++ Compiler for OS X: + - __APPLE_CC__ + - __APPLE__ + - __BIG_ENDIAN__ + - __APPLE__ + - __ppc__ + - __MACH__ + +DJGPP: + - __MSDOS__ + - __unix__ + - __unix + - __GNUC__ + - __GO32 + - DJGPP + - __i386, __i386, i386 + +Cray's C compiler: + - _ADDR64: if 64-bit pointers + - _UNICOS: + - __unix: + +SGI's CC compiler predefines the following (and more) with -ansi: + - __sgi + - __unix + - __host_mips + - _SYSTYPE_SVR4 + - __mips + - _MIPSEB + - anyone know if there is a predefined symbol for the compiler?! + +MinGW: + - as GnuC but also defines _WIN32, __WIN32, WIN32, _X86_, __i386, __i386__, and several others + - __MINGW32__ + +Cygwin: + - as Gnu C, but also + - __unix__ + - __CYGWIN32__ + +Microsoft Visual Studio predefines the following: + - _MSC_VER + - _WIN32: on Win32 + - _M_IX6 (on x86 systems) + - _M_X64: on x86-64 systems + - _M_ALPHA (on DEC AXP systems) + - _SH3: WinCE, Hitachi SH-3 + - _MIPS: WinCE, MIPS + - _ARM: WinCE, ARM + +Sun's C Compiler: + - sun and _sun + - unix and _unix + - sparc and _sparc (SPARC systems only) + - i386 and _i386 (x86 systems only) + - __SVR4 (Solaris only) + - __sparcv9: 64-bit solaris + - __SUNPRO_C + - _LP64: defined in 64-bit LP64 mode, but only if is included + +Borland C/C++ predefines the following: + - __BORLANDC__: + +DEC/Compaq C/C++ on Alpha: + - __alpha + - __arch64__ + - __unix__ (on Tru64 Unix) + - __osf__ + - __DECC + - __DECCXX (C++ compilation) + - __DECC_VER + - __DECCXX_VER + +IBM's AIX compiler: + - __64BIT__ if 64-bit mode + - _AIX + - __IBMC__: C compiler version + - __IBMCPP__: C++ compiler version + - _LONG_LONG: compiler allows long long + +Watcom: + - __WATCOMC__ + - __DOS__ : if targeting DOS + - __386__ : if 32-bit support + - __WIN32__ : if targetin 32-bit Windows + +HP-UX C/C++ Compiler: + - __hpux + - __unix + - __hppa (on PA-RISC) + - __LP64__: if compiled in 64-bit mode + +Metrowerks: + - __MWERKS__ + - __powerpc__ + - _powerc + - __MC68K__ + - macintosh when compiling for MacOS + - __INTEL__ for x86 targets + - __POWERPC__ + +*/ + +/* +** ---------------------------------------------------------------------------- +** Include optionally +** ---------------------------------------------------------------------------- +*/ +#ifdef POSH_USE_LIMITS_H +# include +#endif + +/* +** ---------------------------------------------------------------------------- +** Determine compilation environment +** ---------------------------------------------------------------------------- +*/ +#if defined __ECC || defined __ICC || defined __INTEL_COMPILER +# define POSH_COMPILER_STRING "Intel C/C++" +# define POSH_COMPILER_INTEL 1 +#endif + +#if ( defined __host_mips || defined __sgi ) && !defined __GNUC__ +# define POSH_COMPILER_STRING "MIPSpro C/C++" +# define POSH_COMPILER_MIPSPRO 1 +#endif + +#if defined __hpux && !defined __GNUC__ +# define POSH_COMPILER_STRING "HP-UX CC" +# define POSH_COMPILER_HPCC 1 +#endif + +#if defined __GNUC__ +# define POSH_COMPILER_STRING "Gnu GCC" +# define POSH_COMPILER_GCC 1 +#endif + +#if defined __APPLE_CC__ + /* we don't define the compiler string here, let it be GNU */ +# define POSH_COMPILER_APPLECC 1 +#endif + +#if defined __IBMC__ || defined __IBMCPP__ +# define POSH_COMPILER_STRING "IBM C/C++" +# define POSH_COMPILER_IBM 1 +#endif + +#if defined _MSC_VER +# define POSH_COMPILER_STRING "Microsoft Visual C++" +# define POSH_COMPILER_MSVC 1 +#endif + +#if defined __SUNPRO_C +# define POSH_COMPILER_STRING "Sun Pro" +# define POSH_COMPILER_SUN 1 +#endif + +#if defined __BORLANDC__ +# define POSH_COMPILER_STRING "Borland C/C++" +# define POSH_COMPILER_BORLAND 1 +#endif + +#if defined __MWERKS__ +# define POSH_COMPILER_STRING "MetroWerks CodeWarrior" +# define POSH_COMPILER_METROWERKS 1 +#endif + +#if defined __DECC || defined __DECCXX +# define POSH_COMPILER_STRING "Compaq/DEC C/C++" +# define POSH_COMPILER_DEC 1 +#endif + +#if defined __WATCOMC__ +# define POSH_COMPILER_STRING "Watcom C/C++" +# define POSH_COMPILER_WATCOM 1 +#endif + +#if !defined POSH_COMPILER_STRING +# define POSH_COMPILER_STRING "Unknown compiler" +#endif + +/* +** ---------------------------------------------------------------------------- +** Determine target operating system +** ---------------------------------------------------------------------------- +*/ +#if defined linux || defined __linux__ +# define POSH_OS_LINUX 1 +# define POSH_OS_STRING "Linux" +#endif + +#if defined __CYGWIN32__ +# define POSH_OS_CYGWIN32 1 +# define POSH_OS_STRING "Cygwin" +#endif + +#if defined GEKKO +# define POSH_OS_GAMECUBE +# define __powerpc__ +# define POSH_OS_STRING "GameCube" +#endif + +#if defined __MINGW32__ +# define POSH_OS_MINGW 1 +# define POSH_OS_STRING "MinGW" +#endif + +#if defined GO32 && defined DJGPP && defined __MSDOS__ +# define POSH_OS_GO32 1 +# define POSH_OS_STRING "GO32/MS-DOS" +#endif + +/* NOTE: make sure you use /bt=DOS if compiling for 32-bit DOS, + otherwise Watcom assumes host=target */ +#if defined __WATCOMC__ && defined __386__ && defined __DOS__ +# define POSH_OS_DOS32 1 +# define POSH_OS_STRING "DOS/32-bit" +#endif + +#if defined _UNICOS +# define POSH_OS_UNICOS 1 +# define POSH_OS_STRING "UNICOS" +#endif + +#if ( defined __MWERKS__ && defined __powerc && !defined macintosh ) || defined __APPLE_CC__ || defined macosx +# define POSH_OS_OSX 1 +# define POSH_OS_STRING "MacOS X" +#endif + +#if defined __sun__ || defined sun || defined __sun || defined __solaris__ +# if defined __SVR4 || defined __svr4__ || defined __solaris__ +# define POSH_OS_STRING "Solaris" +# define POSH_OS_SOLARIS 1 +# endif +# if !defined POSH_OS_STRING +# define POSH_OS_STRING "SunOS" +# define POSH_OS_SUNOS 1 +# endif +#endif + +#if defined __sgi__ || defined sgi || defined __sgi +# define POSH_OS_IRIX 1 +# define POSH_OS_STRING "Irix" +#endif + +#if defined __hpux__ || defined __hpux +# define POSH_OS_HPUX 1 +# define POSH_OS_STRING "HP-UX" +#endif + +#if defined _AIX +# define POSH_OS_AIX 1 +# define POSH_OS_STRING "AIX" +#endif + +#if ( defined __alpha && defined __osf__ ) +# define POSH_OS_TRU64 1 +# define POSH_OS_STRING "Tru64" +#endif + +#if defined __BEOS__ || defined __beos__ +# define POSH_OS_BEOS 1 +# define POSH_OS_STRING "BeOS" +#endif + +#if defined amiga || defined amigados || defined AMIGA || defined _AMIGA +# define POSH_OS_AMIGA 1 +# define POSH_OS_STRING "Amiga" +#endif + +#if defined __unix__ +# define POSH_OS_UNIX 1 +# if !defined POSH_OS_STRING +# define POSH_OS_STRING "Unix-like(generic)" +# endif +#endif + +#if defined _WIN32_WCE +# define POSH_OS_WINCE 1 +# define POSH_OS_STRING "Windows CE" +#endif + +#if defined _XBOX +# define POSH_OS_XBOX 1 +# define POSH_OS_STRING "XBOX" +#endif + +#if defined _WIN32 || defined WIN32 || defined __NT__ || defined __WIN32__ +# define POSH_OS_WIN32 1 +# if !defined POSH_OS_XBOX +# if defined _WIN64 +# define POSH_OS_WIN64 1 +# define POSH_OS_STRING "Win64" +# else +# if !defined POSH_OS_STRING +# define POSH_OS_STRING "Win32" +# endif +# endif +# endif +#endif + +#if defined __palmos__ +# define POSH_OS_PALM 1 +# define POSH_OS_STRING "PalmOS" +#endif + +#if defined THINK_C || defined macintosh +# define POSH_OS_MACOS 1 +# define POSH_OS_STRING "MacOS" +#endif + +/* +** ----------------------------------------------------------------------------- +** Determine target CPU +** ----------------------------------------------------------------------------- +*/ + +#if defined GEKKO +# define POSH_CPU_PPC750 1 +# define POSH_CPU_STRING "IBM PowerPC 750 (NGC)" +#endif + +#if defined mc68000 || defined m68k || defined __MC68K__ || defined m68000 +# define POSH_CPU_68K 1 +# define POSH_CPU_STRING "MC68000" +#endif + +#if defined __PPC__ || defined __POWERPC__ || defined powerpc || defined _POWER || defined __ppc__ || defined __powerpc__ +# define POSH_CPU_PPC 1 +# if !defined POSH_CPU_STRING +# if defined __powerpc64__ +# define POSH_CPU_STRING "PowerPC64" +# else +# define POSH_CPU_STRING "PowerPC" +# endif +# endif +#endif + +#if defined _CRAYT3E || defined _CRAYMPP +# define POSH_CPU_CRAYT3E 1 /* target processor is a DEC Alpha 21164 used in a Cray T3E*/ +# define POSH_CPU_STRING "Cray T3E (Alpha 21164)" +#endif + +#if defined CRAY || defined _CRAY && !defined _CRAYT3E +# error Non-AXP Cray systems not supported +#endif + +#if defined _SH3 +# define POSH_CPU_SH3 1 +# define POSH_CPU_STRING "Hitachi SH-3" +#endif + +#if defined __sh4__ || defined __SH4__ +# define POSH_CPU_SH3 1 +# define POSH_CPU_SH4 1 +# define POSH_CPU_STRING "Hitachi SH-4" +#endif + +#if defined __sparc__ || defined __sparc +# if defined __arch64__ || defined __sparcv9 || defined __sparc_v9__ +# define POSH_CPU_SPARC64 1 +# define POSH_CPU_STRING "Sparc/64" +# else +# define POSH_CPU_STRING "Sparc/32" +# endif +# define POSH_CPU_SPARC 1 +#endif + +#if defined ARM || defined __arm__ || defined _ARM +# define POSH_CPU_STRONGARM 1 +# define POSH_CPU_STRING "ARM" +#endif + +#if defined mips || defined __mips__ || defined __MIPS__ || defined _MIPS +# define POSH_CPU_MIPS 1 +# if defined _R5900 +# define POSH_CPU_STRING "MIPS R5900 (PS2)" +# else +# define POSH_CPU_STRING "MIPS" +# endif +#endif + +#if defined __ia64 || defined _M_IA64 || defined __ia64__ +# define POSH_CPU_IA64 1 +# define POSH_CPU_STRING "IA64" +#endif + +#if defined __X86__ || defined __i386__ || defined i386 || defined _M_IX86 || defined __386__ || defined __x86_64__ || defined _M_X64 +# define POSH_CPU_X86 1 +# if defined __x86_64__ || defined _M_X64 +# define POSH_CPU_X86_64 1 +# endif +# if defined POSH_CPU_X86_64 +# define POSH_CPU_STRING "AMD x86-64" +# else +# define POSH_CPU_STRING "Intel 386+" +# endif +#endif + +#if defined __alpha || defined alpha || defined _M_ALPHA || defined __alpha__ +# define POSH_CPU_AXP 1 +# define POSH_CPU_STRING "AXP" +#endif + +#if defined __hppa || defined hppa +# define POSH_CPU_HPPA 1 +# define POSH_CPU_STRING "PA-RISC" +#endif + +#if !defined POSH_CPU_STRING +# error POSH cannot determine target CPU +# define POSH_CPU_STRING "Unknown" /* this is here for Doxygen's benefit */ +#endif + +/* +** ----------------------------------------------------------------------------- +** Attempt to autodetect building for embedded on Sony PS2 +** ----------------------------------------------------------------------------- +*/ +#if !defined POSH_OS_STRING +# if !defined FORCE_DOXYGEN +# define POSH_OS_EMBEDDED 1 +# endif +# if defined _R5900 +# define POSH_OS_STRING "Sony PS2(embedded)" +# else +# define POSH_OS_STRING "Embedded/Unknown" +# endif +#endif + +/* +** --------------------------------------------------------------------------- +** Handle cdecl, stdcall, fastcall, etc. +** --------------------------------------------------------------------------- +*/ +#if defined POSH_CPU_X86 && !defined POSH_CPU_X86_64 +# if defined __GNUC__ +# define POSH_CDECL __attribute__((cdecl)) +# define POSH_STDCALL __attribute__((stdcall)) +# define POSH_FASTCALL __attribute__((fastcall)) +# elif ( defined _MSC_VER || defined __WATCOMC__ || defined __BORLANDC__ || defined __MWERKS__ ) +# define POSH_CDECL __cdecl +# define POSH_STDCALL __stdcall +# define POSH_FASTCALL __fastcall +# endif +#else +# define POSH_CDECL +# define POSH_STDCALL +# define POSH_FASTCALL +#endif + +/* +** --------------------------------------------------------------------------- +** Define POSH_IMPORTEXPORT signature based on POSH_DLL and POSH_BUILDING_LIB +** --------------------------------------------------------------------------- +*/ + +/* +** We undefine this so that multiple inclusions will work +*/ +#if defined POSH_IMPORTEXPORT +# undef POSH_IMPORTEXPORT +#endif + +#if defined POSH_DLL +# if defined POSH_OS_WIN32 +# if defined _MSC_VER +# if ( _MSC_VER >= 800 ) +# if defined POSH_BUILDING_LIB +# define POSH_IMPORTEXPORT __declspec( dllexport ) +# else +# define POSH_IMPORTEXPORT __declspec( dllimport ) +# endif +# else +# if defined POSH_BUILDING_LIB +# define POSH_IMPORTEXPORT __export +# else +# define POSH_IMPORTEXPORT +# endif +# endif +# endif /* defined _MSC_VER */ +# if defined __BORLANDC__ +# if ( __BORLANDC__ >= 0x500 ) +# if defined POSH_BUILDING_LIB +# define POSH_IMPORTEXPORT __declspec( dllexport ) +# else +# define POSH_IMPORTEXPORT __declspec( dllimport ) +# endif +# else +# if defined POSH_BUILDING_LIB +# define POSH_IMPORTEXPORT __export +# else +# define POSH_IMPORTEXPORT +# endif +# endif +# endif /* defined __BORLANDC__ */ + /* for all other compilers, we're just making a blanket assumption */ +# if defined __GNUC__ || defined __WATCOMC__ || defined __MWERKS__ +# if defined POSH_BUILDING_LIB +# define POSH_IMPORTEXPORT __declspec( dllexport ) +# else +# define POSH_IMPORTEXPORT __declspec( dllimport ) +# endif +# endif /* all other compilers */ +# if !defined POSH_IMPORTEXPORT +# error Building DLLs not supported on this compiler (poshlib@poshlib.org if you know how) +# endif +# endif /* defined POSH_OS_WIN32 */ +#endif + +/* On pretty much everything else, we can thankfully just ignore this */ +#if !defined POSH_IMPORTEXPORT +# define POSH_IMPORTEXPORT +#endif + +#if defined FORCE_DOXYGEN +# define POSH_DLL +# define POSH_BUILDING_LIB +# undef POSH_DLL +# undef POSH_BUILDING_LIB +#endif + +/* +** ---------------------------------------------------------------------------- +** (Re)define POSH_PUBLIC_API export signature +** ---------------------------------------------------------------------------- +*/ +#ifdef POSH_PUBLIC_API +# undef POSH_PUBLIC_API +#endif + +#if ( ( defined _MSC_VER ) && ( _MSC_VER < 800 ) ) || ( defined __BORLANDC__ && ( __BORLANDC__ < 0x500 ) ) +# define POSH_PUBLIC_API(rtype) extern rtype POSH_IMPORTEXPORT +#else +# define POSH_PUBLIC_API(rtype) extern POSH_IMPORTEXPORT rtype +#endif + +/* +** ---------------------------------------------------------------------------- +** Try to infer endianess. Basically we just go through the CPUs we know are +** little endian, and assume anything that isn't one of those is big endian. +** As a sanity check, we also do this with operating systems we know are +** little endian, such as Windows. Some processors are bi-endian, such as +** the MIPS series, so we have to be careful about those. +** ---------------------------------------------------------------------------- +*/ +#if defined POSH_CPU_X86 || defined POSH_CPU_AXP || defined POSH_CPU_STRONGARM || defined POSH_OS_WIN32 || defined POSH_OS_WINCE || defined __MIPSEL__ +# define POSH_ENDIAN_STRING "little" +# define POSH_LITTLE_ENDIAN 1 +#else +# define POSH_ENDIAN_STRING "big" +# define POSH_BIG_ENDIAN 1 +#endif + +#if defined FORCE_DOXYGEN +# define POSH_LITTLE_ENDIAN +#endif + +/* +** ---------------------------------------------------------------------------- +** Cross-platform compile time assertion macro +** ---------------------------------------------------------------------------- +*/ +#define POSH_COMPILE_TIME_ASSERT(name, x) typedef int _POSH_dummy_ ## name[(x) ? 1 : -1 ] + +/* +** ---------------------------------------------------------------------------- +** 64-bit Integer +** +** We don't require 64-bit support, nor do we emulate its functionality, we +** simply export it if it's available. Since we can't count on +** for 64-bit support, we ignore the POSH_USE_LIMITS_H directive. +** ---------------------------------------------------------------------------- +*/ +#if defined ( __LP64__ ) || defined ( __powerpc64__ ) || defined POSH_CPU_SPARC64 +# define POSH_64BIT_INTEGER 1 +typedef long posh_i64_t; +typedef unsigned long posh_u64_t; +# define POSH_I64( x ) ((posh_i64_t)x) +# define POSH_U64( x ) ((posh_u64_t)x) +# define POSH_I64_PRINTF_PREFIX "l" +#elif defined _MSC_VER || defined __BORLANDC__ || defined __WATCOMC__ || ( defined __alpha && defined __DECC ) +# define POSH_64BIT_INTEGER 1 +typedef __int64 posh_i64_t; +typedef unsigned __int64 posh_u64_t; +# define POSH_I64( x ) ((posh_i64_t)x) +# define POSH_U64( x ) ((posh_u64_t)x) +# define POSH_I64_PRINTF_PREFIX "I64" +#elif defined __GNUC__ || defined __MWERKS__ || defined __SUNPRO_C || defined __SUNPRO_CC || defined __APPLE_CC__ || defined POSH_OS_IRIX || defined _LONG_LONG || defined _CRAYC +# define POSH_64BIT_INTEGER 1 +typedef long long posh_i64_t; +typedef unsigned long long posh_u64_t; +# define POSH_U64( x ) ((posh_u64_t)(x##LL)) +# define POSH_I64( x ) ((posh_i64_t)(x##LL)) +# define POSH_I64_PRINTF_PREFIX "ll" +#endif + +/* hack */ +/*#ifdef __MINGW32__ +#undef POSH_I64 +#undef POSH_U64 +#undef POSH_I64_PRINTF_PREFIX +#define POSH_I64( x ) ((posh_i64_t)x) +#define POSH_U64( x ) ((posh_u64_t)x) +#define POSH_I64_PRINTF_PREFIX "I64" +#endif*/ + +#ifdef FORCE_DOXYGEN +typedef long long posh_i64_t; +typedef unsigned long posh_u64_t; +# define POSH_64BIT_INTEGER +# define POSH_I64_PRINTF_PREFIX +# define POSH_I64(x) +# define POSH_U64(x) +#endif + +/** Minimum value for a 64-bit signed integer */ +#define POSH_I64_MIN POSH_I64(0x8000000000000000) +/** Maximum value for a 64-bit signed integer */ +#define POSH_I64_MAX POSH_I64(0x7FFFFFFFFFFFFFFF) +/** Minimum value for a 64-bit unsigned integer */ +#define POSH_U64_MIN POSH_U64(0) +/** Maximum value for a 64-bit unsigned integer */ +#define POSH_U64_MAX POSH_U64(0xFFFFFFFFFFFFFFFF) + +/* ---------------------------------------------------------------------------- +** Basic Sized Types +** +** These types are expected to be EXACTLY sized so you can use them for +** serialization. +** ---------------------------------------------------------------------------- +*/ +#define POSH_FALSE 0 +#define POSH_TRUE 1 + +typedef int posh_bool_t; +typedef unsigned char posh_byte_t; + +/* NOTE: These assume that CHAR_BIT is 8!! */ +typedef unsigned char posh_u8_t; +typedef signed char posh_i8_t; + +#if defined POSH_USE_LIMITS_H +# if CHAR_BITS > 8 +# error This machine uses 9-bit characters. This is a warning, you can comment this out now. +# endif /* CHAR_BITS > 8 */ + +/* 16-bit */ +# if ( USHRT_MAX == 65535 ) + typedef unsigned short posh_u16_t; + typedef short posh_i16_t; +# else + /* Yes, in theory there could still be a 16-bit character type and shorts are + 32-bits in size...if you find such an architecture, let me know =P */ +# error No 16-bit type found +# endif + +/* 32-bit */ +# if ( INT_MAX == 2147483647 ) + typedef unsigned posh_u32_t; + typedef int posh_i32_t; +# elif ( LONG_MAX == 2147483647 ) + typedef unsigned long posh_u32_t; + typedef long posh_i32_t; +# else + error No 32-bit type found +# endif + +#else /* POSH_USE_LIMITS_H */ + + typedef unsigned short posh_u16_t; + typedef short posh_i16_t; + +# if !defined POSH_OS_PALM + typedef unsigned posh_u32_t; + typedef int posh_i32_t; +# else + typedef unsigned long posh_u32_t; + typedef long posh_i32_t; +# endif +#endif + +/** Minimum value for a byte */ +#define POSH_BYTE_MIN 0 +/** Maximum value for an 8-bit unsigned value */ +#define POSH_BYTE_MAX 255 +/** Minimum value for a byte */ +#define POSH_I16_MIN ( ( posh_i16_t ) 0x8000 ) +/** Maximum value for a 16-bit signed value */ +#define POSH_I16_MAX ( ( posh_i16_t ) 0x7FFF ) +/** Minimum value for a 16-bit unsigned value */ +#define POSH_U16_MIN 0 +/** Maximum value for a 16-bit unsigned value */ +#define POSH_U16_MAX ( ( posh_u16_t ) 0xFFFF ) +/** Minimum value for a 32-bit signed value */ +#define POSH_I32_MIN ( ( posh_i32_t ) 0x80000000 ) +/** Maximum value for a 32-bit signed value */ +#define POSH_I32_MAX ( ( posh_i32_t ) 0x7FFFFFFF ) +/** Minimum value for a 32-bit unsigned value */ +#define POSH_U32_MIN 0 +/** Maximum value for a 32-bit unsigned value */ +#define POSH_U32_MAX ( ( posh_u32_t ) 0xFFFFFFFF ) + +/* +** ---------------------------------------------------------------------------- +** Sanity checks on expected sizes +** ---------------------------------------------------------------------------- +*/ +#if !defined FORCE_DOXYGEN + +POSH_COMPILE_TIME_ASSERT(posh_byte_t, sizeof(posh_byte_t) == 1); +POSH_COMPILE_TIME_ASSERT(posh_u8_t, sizeof(posh_u8_t) == 1); +POSH_COMPILE_TIME_ASSERT(posh_i8_t, sizeof(posh_i8_t) == 1); +POSH_COMPILE_TIME_ASSERT(posh_u16_t, sizeof(posh_u16_t) == 2); +POSH_COMPILE_TIME_ASSERT(posh_i16_t, sizeof(posh_i16_t) == 2); +POSH_COMPILE_TIME_ASSERT(posh_u32_t, sizeof(posh_u32_t) == 4); +POSH_COMPILE_TIME_ASSERT(posh_i32_t, sizeof(posh_i32_t) == 4); + +#if !defined POSH_NO_FLOAT + POSH_COMPILE_TIME_ASSERT(posh_testfloat_t, sizeof(float)==4 ); + POSH_COMPILE_TIME_ASSERT(posh_testdouble_t, sizeof(double)==8); +#endif + +#if defined POSH_64BIT_INTEGER + POSH_COMPILE_TIME_ASSERT(posh_u64_t, sizeof(posh_u64_t) == 8); + POSH_COMPILE_TIME_ASSERT(posh_i64_t, sizeof(posh_i64_t) == 8); +#endif + +#endif + +/* +** ---------------------------------------------------------------------------- +** 64-bit pointer support +** ---------------------------------------------------------------------------- +*/ +#if defined POSH_CPU_AXP && ( defined POSH_OS_TRU64 || defined POSH_OS_LINUX ) +# define POSH_64BIT_POINTER 1 +#endif + +#if defined POSH_CPU_X86_64 && defined POSH_OS_LINUX +# define POSH_64BIT_POINTER 1 +#endif + +#if defined POSH_CPU_SPARC64 || defined POSH_OS_WIN64 || defined __64BIT__ || defined __LP64 || defined _LP64 || defined __LP64__ || defined _ADDR64 || defined _CRAYC +# define POSH_64BIT_POINTER 1 +#endif + +#if defined POSH_64BIT_POINTER + POSH_COMPILE_TIME_ASSERT( posh_64bit_pointer, sizeof( void * ) == 8 ); +#elif !defined FORCE_DOXYGEN +/* if this assertion is hit then you're on a system that either has 64-bit + addressing and we didn't catch it, or you're on a system with 16-bit + pointers. In the latter case, POSH doesn't actually care, we're just + triggering this assertion to make sure you're aware of the situation, + so feel free to delete it. + + If this assertion is triggered on a known 32 or 64-bit platform, + please let us know (poshlib@poshlib.org) */ + POSH_COMPILE_TIME_ASSERT( posh_32bit_pointer, sizeof( void * ) == 4 ); +#endif + +#if defined FORCE_DOXYGEN +# define POSH_64BIT_POINTER +#endif + +/* +** ---------------------------------------------------------------------------- +** POSH Utility Functions +** +** These are optional POSH utility functions that are not required if you don't +** need anything except static checking of your host and target environment. +** +** These functions are NOT wrapped with POSH_PUBLIC_API because I didn't want +** to enforce their export if your own library is only using them internally. +** ---------------------------------------------------------------------------- +*/ +#ifdef __cplusplus +extern "C" { +#endif + +const char *POSH_GetArchString( void ); + +#if !defined POSH_NO_FLOAT + +posh_u32_t POSH_LittleFloatBits( float f ); +posh_u32_t POSH_BigFloatBits( float f ); +float POSH_FloatFromLittleBits( posh_u32_t bits ); +float POSH_FloatFromBigBits( posh_u32_t bits ); + +void POSH_DoubleBits( double d, posh_byte_t dst[ 8 ] ); +double POSH_DoubleFromBits( const posh_byte_t src[ 8 ] ); + +/* unimplemented +float *POSH_WriteFloatToLittle( void *dst, float f ); +float *POSH_WriteFloatToBig( void *dst, float f ); +float POSH_ReadFloatFromLittle( const void *src ); +float POSH_ReadFloatFromBig( const void *src ); + +double *POSH_WriteDoubleToLittle( void *dst, double d ); +double *POSH_WriteDoubleToBig( void *dst, double d ); +double POSH_ReadDoubleFromLittle( const void *src ); +double POSH_ReadDoubleFromBig( const void *src ); +*/ +#endif /* !defined POSH_NO_FLOAT */ + +#if defined FORCE_DOXYGEN +# define POSH_NO_FLOAT +# undef POSH_NO_FLOAT +#endif + +extern posh_u16_t POSH_SwapU16( posh_u16_t u ); +extern posh_i16_t POSH_SwapI16( posh_i16_t u ); +extern posh_u32_t POSH_SwapU32( posh_u32_t u ); +extern posh_i32_t POSH_SwapI32( posh_i32_t u ); + +#if defined POSH_64BIT_INTEGER + +extern posh_u64_t POSH_SwapU64( posh_u64_t u ); +extern posh_i64_t POSH_SwapI64( posh_i64_t u ); + +#endif /*POSH_64BIT_INTEGER */ + +extern posh_u16_t *POSH_WriteU16ToLittle( void *dst, posh_u16_t value ); +extern posh_i16_t *POSH_WriteI16ToLittle( void *dst, posh_i16_t value ); +extern posh_u32_t *POSH_WriteU32ToLittle( void *dst, posh_u32_t value ); +extern posh_i32_t *POSH_WriteI32ToLittle( void *dst, posh_i32_t value ); + +extern posh_u16_t *POSH_WriteU16ToBig( void *dst, posh_u16_t value ); +extern posh_i16_t *POSH_WriteI16ToBig( void *dst, posh_i16_t value ); +extern posh_u32_t *POSH_WriteU32ToBig( void *dst, posh_u32_t value ); +extern posh_i32_t *POSH_WriteI32ToBig( void *dst, posh_i32_t value ); + +extern posh_u16_t POSH_ReadU16FromLittle( const void *src ); +extern posh_i16_t POSH_ReadI16FromLittle( const void *src ); +extern posh_u32_t POSH_ReadU32FromLittle( const void *src ); +extern posh_i32_t POSH_ReadI32FromLittle( const void *src ); + +extern posh_u16_t POSH_ReadU16FromBig( const void *src ); +extern posh_i16_t POSH_ReadI16FromBig( const void *src ); +extern posh_u32_t POSH_ReadU32FromBig( const void *src ); +extern posh_i32_t POSH_ReadI32FromBig( const void *src ); + +#if defined POSH_64BIT_INTEGER +extern posh_u64_t *POSH_WriteU64ToLittle( void *dst, posh_u64_t value ); +extern posh_i64_t *POSH_WriteI64ToLittle( void *dst, posh_i64_t value ); +extern posh_u64_t *POSH_WriteU64ToBig( void *dst, posh_u64_t value ); +extern posh_i64_t *POSH_WriteI64ToBig( void *dst, posh_i64_t value ); + +extern posh_u64_t POSH_ReadU64FromLittle( const void *src ); +extern posh_i64_t POSH_ReadI64FromLittle( const void *src ); +extern posh_u64_t POSH_ReadU64FromBig( const void *src ); +extern posh_i64_t POSH_ReadI64FromBig( const void *src ); +#endif /* POSH_64BIT_INTEGER */ + +#if defined POSH_LITTLE_ENDIAN + +# define POSH_LittleU16(x) (x) +# define POSH_LittleU32(x) (x) +# define POSH_LittleI16(x) (x) +# define POSH_LittleI32(x) (x) +# if defined POSH_64BIT_INTEGER +# define POSH_LittleU64(x) (x) +# define POSH_LittleI64(x) (x) +# endif /* defined POSH_64BIT_INTEGER */ + +# define POSH_BigU16(x) POSH_SwapU16(x) +# define POSH_BigU32(x) POSH_SwapU32(x) +# define POSH_BigI16(x) POSH_SwapI16(x) +# define POSH_BigI32(x) POSH_SwapI32(x) +# if defined POSH_64BIT_INTEGER +# define POSH_BigU64(x) POSH_SwapU64(x) +# define POSH_BigI64(x) POSH_SwapI64(x) +# endif /* defined POSH_64BIT_INTEGER */ + +#else + +# define POSH_BigU16(x) (x) +# define POSH_BigU32(x) (x) +# define POSH_BigI16(x) (x) +# define POSH_BigI32(x) (x) + +# if defined POSH_64BIT_INTEGER +# define POSH_BigU64(x) (x) +# define POSH_BigI64(x) (x) +# endif /* POSH_64BIT_INTEGER */ + +# define POSH_LittleU16(x) POSH_SwapU16(x) +# define POSH_LittleU32(x) POSH_SwapU32(x) +# define POSH_LittleI16(x) POSH_SwapI16(x) +# define POSH_LittleI32(x) POSH_SwapI32(x) + +# if defined POSH_64BIT_INTEGER +# define POSH_LittleU64(x) POSH_SwapU64(x) +# define POSH_LittleI64(x) POSH_SwapI64(x) +# endif /* POSH_64BIT_INTEGER */ + +#endif + +#ifdef __cplusplus +} +#endif + +