3 /* fwrite( void *, size_t, size_t, FILE * )
5 This file is part of the Public Domain C Library (PDCLib).
6 Permission is granted to use, modify, and / or redistribute at will.
13 #include <_PDCLIB_glue.h>
18 size_t fread( void * _PDCLIB_restrict ptr, size_t size, size_t nmemb, struct _PDCLIB_file_t * _PDCLIB_restrict stream )
20 char * dest = (char *)ptr;
22 for ( nmemb_i = 0; nmemb_i < nmemb; ++nmemb_i )
24 for ( size_t size_i = 0; size_i < size; ++size_i )
29 /* Could not read requested data */
41 #include <_PDCLIB_test.h>
46 char const * message = "Testing fwrite()...\n";
49 TESTCASE( ( fh = tmpfile() ) != NULL );
50 /* fwrite() / readback */
51 TESTCASE( fwrite( message, 1, 20, fh ) == 20 );
53 TESTCASE( fread( buffer, 1, 20, fh ) == 20 );
54 TESTCASE( memcmp( buffer, message, 20 ) == 0 );
55 TESTCASE( buffer[20] == 'x' );
56 /* same, different nmemb / size settings */
58 TESTCASE( memset( buffer, '\0', 20 ) == buffer );
59 TESTCASE( fwrite( message, 5, 4, fh ) == 4 );
61 TESTCASE( fread( buffer, 5, 4, fh ) == 4 );
62 TESTCASE( memcmp( buffer, message, 20 ) == 0 );
63 TESTCASE( buffer[20] == 'x' );
66 TESTCASE( memset( buffer, '\0', 20 ) == buffer );
67 TESTCASE( fwrite( message, 20, 1, fh ) == 1 );
69 TESTCASE( fread( buffer, 20, 1, fh ) == 1 );
70 TESTCASE( memcmp( buffer, message, 20 ) == 0 );
71 TESTCASE( buffer[20] == 'x' );
73 TESTCASE( fclose( fh ) == 0 );