X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Ffprintf.c;h=13eaf6b7583d954e8e0c1b3c9336fcdcb10cd0dd;hp=ea4f97d4a05d0f8b679d19ad3943e205f60ef290;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec

diff --git a/functions/stdio/fprintf.c b/functions/stdio/fprintf.c
index ea4f97d..13eaf6b 100644
--- a/functions/stdio/fprintf.c
+++ b/functions/stdio/fprintf.c
@@ -1,8 +1,59 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int fprintf( FILE * restrict stream, const char * restrict format, ... ) { /* TODO */ };
+/* fprintf( FILE *, const char *, ... )
+
+   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 <stdarg.h>
+
+#ifndef REGTEST
+#include "_PDCLIB_io.h"
+
+int _PDCLIB_fprintf_unlocked( FILE * _PDCLIB_restrict stream, 
+                      const char * _PDCLIB_restrict format, ... )
+{
+    int rc;
+    va_list ap;
+    va_start( ap, format );
+    rc = _PDCLIB_vfprintf_unlocked( stream, format, ap );
+    va_end( ap );
+    return rc;
+}
+
+int fprintf( FILE * _PDCLIB_restrict stream,
+             const char * _PDCLIB_restrict format, ... )
+{
+    int rc;
+    va_list ap;
+    va_start( ap, format );
+    _PDCLIB_flockfile( stream );
+    rc = _PDCLIB_vfprintf_unlocked( stream, format, ap );
+    _PDCLIB_funlockfile( stream );
+    va_end( ap );
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#include <stdint.h>
+#include <stddef.h>
+#define _PDCLIB_FILEID "stdio/fprintf.c"
+#define _PDCLIB_FILEIO
+
+#include "_PDCLIB_test.h"
+
+#define testprintf( stream, ... ) fprintf( stream, __VA_ARGS__ )
+
+int main( void )
+{
+    FILE * target;
+    TESTCASE( ( target = tmpfile() ) != NULL );
+#include "printf_testcases.h"
+    TESTCASE( fclose( target ) == 0 );
+    return TEST_RESULTS;
+}
+
+#endif
+