/* $Id$ */
-/* fread( void *, size_t, size_t, FILE * )
+/* fwrite( void *, size_t, size_t, FILE * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <stdio.h>
-#include <_PDCLIB_glue.h>
-
#ifndef REGTEST
+#include <stdbool.h>
+#include <string.h>
+
+#include <_PDCLIB_glue.h>
+
size_t fread( void * _PDCLIB_restrict ptr, size_t size, size_t nmemb, struct _PDCLIB_file_t * _PDCLIB_restrict stream )
{
- return _PDCLIB_read( stream->handle, ptr, size * nmemb );
+ if ( _PDCLIB_prepread( stream ) == EOF )
+ {
+ return 0;
+ }
+ char * dest = (char *)ptr;
+ size_t nmemb_i;
+ for ( nmemb_i = 0; nmemb_i < nmemb; ++nmemb_i )
+ {
+ for ( size_t size_i = 0; size_i < size; ++size_i )
+ {
+ if ( stream->bufidx == stream->bufend )
+ {
+ if ( _PDCLIB_fillbuffer( stream ) == EOF )
+ {
+ /* Could not read requested data */
+ return nmemb_i;
+ }
+ }
+ dest[ nmemb_i * size + size_i ] = stream->buffer[ stream->bufidx++ ];
+ }
+ }
+ return nmemb_i;
}
#endif
int main( void )
{
- /* Testing handled by fwrite(). */
+ FILE * fh;
+ remove( "testfile" );
+ TESTCASE( ( fh = fopen( "testfile", "w" ) ) != NULL );
+ TESTCASE( fwrite( "SUCCESS testing fwrite()\n", 1, 25, fh ) == 25 );
+ TESTCASE( fclose( fh ) == 0 );
+ /* TODO: Add readback test. */
+ TESTCASE( remove( "testfile" ) == 0 );
return TEST_RESULTS;
}
#endif
+