drewcassidy/nvidia-texture-tools
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Use unsigned ints for stream sizes and positions.

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This commit is contained in:
castano 2008-10-15 07:15:50 +00:00
parent f047043eb2
commit f402f28643
2 changed files with 38 additions and 29 deletions
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51
src/nvcore/StdStream.h
View File

@ -47,25 +47,25 @@ public:
/** @name Stream implementation. */
//@{
virtual void seek( int pos )
virtual void seek( uint pos )
{
nvDebugCheck(m_fp != NULL);
nvDebugCheck(pos >= 0 && pos < size());
fseek(m_fp, pos, SEEK_SET);
}
virtual int tell() const
virtual uint tell() const
{
nvDebugCheck(m_fp != NULL);
return ftell(m_fp);
}
virtual int size() const
virtual uint size() const
{
nvDebugCheck(m_fp != NULL);
int pos = ftell(m_fp);
uint pos = ftell(m_fp);
fseek(m_fp, 0, SEEK_END);
int end = ftell(m_fp);
uint end = ftell(m_fp);
fseek(m_fp, pos, SEEK_SET);
return end;
}
@ -117,11 +117,11 @@ public:
/** @name Stream implementation. */
//@{
/// Write data.
virtual void serialize( void * data, int len )
virtual uint serialize( void * data, uint len )
{
nvDebugCheck(data != NULL);
nvDebugCheck(m_fp != NULL);
fwrite(data, len, 1, m_fp);
return (uint)fwrite(data, 1, len, m_fp);
}
virtual bool isLoading() const
@ -156,11 +156,11 @@ public:
/** @name Stream implementation. */
//@{
/// Read data.
virtual void serialize( void * data, int len )
virtual uint serialize( void * data, uint len )
{
nvDebugCheck(data != NULL);
nvDebugCheck(m_fp != NULL);
fread(data, len, 1, m_fp);
return (uint)fread(data, 1, len, m_fp);
}
virtual bool isLoading() const
@ -184,33 +184,40 @@ class NVCORE_CLASS MemoryInputStream : public Stream
public:
/// Ctor.
MemoryInputStream( const uint8 * mem, int size ) :
MemoryInputStream( const uint8 * mem, uint size ) :
m_mem(mem), m_ptr(mem), m_size(size) { }
/** @name Stream implementation. */
//@{
/// Read data.
virtual void serialize( void * data, int len )
virtual uint serialize( void * data, uint len )
{
nvDebugCheck(data != NULL);
nvDebugCheck(!isError());
uint left = m_size - tell();
if (len > left) len = left;
memcpy( data, m_ptr, len );
m_ptr += len;
return len;
}
virtual void seek( int pos )
virtual void seek( uint pos )
{
nvDebugCheck(!isError());
m_ptr = m_mem + pos;
nvDebugCheck(!isError());
}
virtual int tell() const
virtual uint tell() const
{
return int(m_ptr - m_mem);
nvDebugCheck(m_ptr >= m_mem);
return uint(m_ptr - m_mem);
}
virtual int size() const
virtual uint size() const
{
return m_size;
}
@ -252,7 +259,7 @@ private:
const uint8 * m_mem;
const uint8 * m_ptr;
int m_size;
uint m_size;
};
@ -286,17 +293,19 @@ public:
/** @name Stream implementation. */
//@{
/// Read data.
virtual void serialize( void * data, int len )
virtual uint serialize( void * data, uint len )
{
nvDebugCheck(data != NULL);
m_s->serialize( data, len );
len = m_s->serialize( data, len );
if( m_s->isError() ) {
throw std::exception();
}
return len;
}
virtual void seek( int pos )
virtual void seek( uint pos )
{
m_s->seek( pos );
@ -305,12 +314,12 @@ public:
}
}
virtual int tell() const
virtual uint tell() const
{
return m_s->tell();
}
virtual int size() const
virtual uint size() const
{
return m_s->size();
}

16
src/nvcore/Stream.h
View File

@ -41,17 +41,17 @@ public:
ByteOrder byteOrder() const { return m_byteOrder; }
/// Serialize the given data. @@ Should return bytes serialized?
virtual void serialize( void * data, int len ) = 0;
/// Serialize the given data.
virtual uint serialize( void * data, uint len ) = 0;
/// Move to the given position in the archive.
virtual void seek( int pos ) = 0;
virtual void seek( uint pos ) = 0;
/// Return the current position in the archive.
virtual int tell() const = 0;
virtual uint tell() const = 0;
/// Return the current size of the archive.
virtual int size() const = 0;
virtual uint size() const = 0;
/// Determine if there has been any error.
virtual bool isError() const = 0;
@ -136,13 +136,13 @@ public:
protected:
/// Serialize in the stream byte order.
Stream & byteOrderSerialize( void * v, int len ) {
Stream & byteOrderSerialize( void * v, uint len ) {
if( m_byteOrder == getSystemByteOrder() ) {
serialize( v, len );
}
else {
for( int i=len-1; i>=0; i-- ) {
serialize( (uint8 *)v + i, 1 );
for( uint i = len; i > 0; i-- ) {
serialize( (uint8 *)v + i - 1, 1 );
}
}
return *this;