Yet closer to functional output.

[pdclib.old] / functions / stdio / fwrite.c

diff --git a/functions/stdio/fwrite.c b/functions/stdio/fwrite.c
index 4eece021380b9a43ed0925fa3a9f2c6784e1cca9..8765d0be7e23c70507c1779e359674fc948624b3 100644 (file)
--- a/functions/stdio/fwrite.c
+++ b/functions/stdio/fwrite.c
@@ -1,8 +1,35 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-size_t fwrite( const void * restrict ptr, size_t size, size_t nelem, FILE * restrict stream ) { /* TODO */ };
+/* $Id$ */
+
+/* fwrite( const 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
+
+size_t fwrite( const void * _PDCLIB_restrict ptr, size_t size, size_t nmemb, struct _PDCLIB_file_t * _PDCLIB_restrict stream )
+{
+    return _PDCLIB_write( stream->handle, ptr, size * nmemb );
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+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 );
+    return TEST_RESULTS;
+}
+
+#endif