/*
* readInPieces - read a specified amount of data from a file in chunks
*/
static void readInPieces( BYTE _WCI86HUGE *dst, FILE *fp, DWORD size )
{
BYTE *buffer;
WORD chunk_size;
for( chunk_size = CHUNK_SIZE; chunk_size != 0; chunk_size >>= 1 ) {
if( (buffer = MemAlloc( chunk_size )) != NULL ) {
while( size > chunk_size ) {
fread( buffer, chunk_size, 1, fp );
HugeMemCopy( dst, buffer, chunk_size );
dst += chunk_size;
size -= chunk_size;
}
fread( buffer, size, 1, fp );
HugeMemCopy( dst, buffer, size );
MemFree( buffer );
break;
}
}
} /* readInPieces */
static void WRReadInPieces( BYTE _HUGE *dst, BYTE *data, DWORD size )
{
BYTE *buffer = NULL;
WORD chunk_size;
chunk_size = CHUNK_SIZE;
while( chunk_size != 0 && (buffer = MemAlloc( chunk_size )) == NULL ) {
chunk_size >>= 1;
}
if( buffer == NULL ) {
return;
}
while( size > chunk_size ) {
memcpy( buffer, data, chunk_size );
HugeMemCopy( dst, buffer, chunk_size );
dst += chunk_size;
size -= chunk_size;
data += chunk_size;
}
memcpy( buffer, data, size );
HugeMemCopy( dst, buffer, size );
MemFree( buffer );
}
static void ReadInPieces( BYTE _HUGE *dst, FILE *fp, DWORD size )
{
BYTE *buffer;
WORD chunk_size;
chunk_size = CHUNK_SIZE;
while( ( buffer = malloc( chunk_size ) ) == NULL ) {
chunk_size >>= 1;
}
while( size > chunk_size ) {
fread( buffer, chunk_size, 1, fp );
HugeMemCopy( dst, buffer, chunk_size );
dst += chunk_size;
size -= chunk_size;
}
fread( buffer, size, 1, fp );
_memcpy( dst, buffer, size );
free( buffer );
} /* ReadInPieces */
