-/* $Id$ */
-
/* fwrite( const void *, size_t, size_t, FILE * )
This file is part of the Public Domain C Library (PDCLib).
*/
#include <stdio.h>
-#include <_PDCLIB_glue.h>
#ifndef REGTEST
+#include <_PDCLIB_io.h>
+#include <_PDCLIB_glue.h>
-size_t fwrite( const void * _PDCLIB_restrict ptr, size_t size, size_t nmemb, struct _PDCLIB_file_t * _PDCLIB_restrict stream )
+#include <stdbool.h>
+#include <string.h>
+
+size_t _PDCLIB_fwrite_unlocked( const void *restrict vptr,
+ size_t size, size_t nmemb,
+ FILE * _PDCLIB_restrict stream )
{
- return _PDCLIB_write( stream->handle, ptr, size * nmemb );
+ if ( _PDCLIB_prepwrite( stream ) == EOF )
+ {
+ return 0;
+ }
+
+ const char *restrict ptr = vptr;
+ size_t nmemb_i;
+ for ( nmemb_i = 0; nmemb_i < nmemb; ++nmemb_i )
+ {
+ for ( size_t size_i = 0; size_i < size; ++size_i )
+ {
+ char c = ptr[ nmemb_i * size + size_i ];
+ stream->buffer[ stream->bufidx++ ] = c;
+
+ if ( stream->bufidx == stream->bufsize || ( c == '\n' && stream->status & _IOLBF ) )
+ {
+ if ( _PDCLIB_flushbuffer( stream ) == EOF )
+ {
+ /* Returning number of objects completely buffered */
+ return nmemb_i;
+ }
+ }
+ }
+
+ if ( stream->status & _IONBF )
+ {
+ if ( _PDCLIB_flushbuffer( stream ) == EOF )
+ {
+ /* Returning number of objects completely buffered */
+ return nmemb_i;
+ }
+ }
+ }
+ return nmemb_i;
+}
+
+size_t fwrite( const void * _PDCLIB_restrict ptr,
+ size_t size, size_t nmemb,
+ FILE * _PDCLIB_restrict stream )
+{
+ _PDCLIB_flockfile( stream );
+ size_t r = _PDCLIB_fwrite_unlocked( ptr, size, nmemb, stream );
+ _PDCLIB_funlockfile( stream );
+ return r;
}
#endif
int main( void )
{
- FILE * fh;
- 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 );
+ /* Testing covered by fread(). */
return TEST_RESULTS;
}
#endif
+