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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include <stdio.h>
#include <memory.h>
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
// Copied from sound.cpp in the DLL
char *memfgets( unsigned char *pMemFile, int fileSize, int *pFilePos, char *pBuffer, int bufferSize )
{
int filePos = *pFilePos;
int i, last, stop;
// Bullet-proofing
if ( !pMemFile || !pBuffer )
return NULL;
if ( filePos >= fileSize )
return NULL;
i = filePos;
last = fileSize;
// fgets always NULL terminates, so only read bufferSize-1 characters
if ( last - filePos > (bufferSize-1) )
last = filePos + (bufferSize-1);
stop = 0;
// Stop at the next newline (inclusive) or end of buffer
while ( i < last && !stop )
{
if ( pMemFile[i] == '\n' )
stop = 1;
i++;
}
// If we actually advanced the pointer, copy it over
if ( i != filePos )
{
// We read in size bytes
int size = i - filePos;
// copy it out
memcpy( pBuffer, pMemFile + filePos, sizeof(unsigned char)*size );
// If the buffer isn't full, terminate (this is always true)
if ( size < bufferSize )
pBuffer[size] = 0;
// Update file pointer
*pFilePos = i;
return pBuffer;
}
// No data read, bail
return NULL;
}
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