X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Fprintf.c;h=a9296627dcda2d14b447bfa55939bc9fffa025a3;hb=b1fc26afebd4d557ff89a44bc21767a8704c3809;hp=cda5741454f8ade29a20c1e97688e36f74d14f71;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec;p=pdclib

diff --git a/functions/stdio/printf.c b/functions/stdio/printf.c
index cda5741..a929662 100644
--- a/functions/stdio/printf.c
+++ b/functions/stdio/printf.c
@@ -1,8 +1,42 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int printf( const char * restrict format, ... ) { /* TODO */ };
+/* printf( 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
+
+int printf( const char * _PDCLIB_restrict format, ... )
+{
+    int rc;
+    va_list ap;
+    va_start( ap, format );
+    rc = vfprintf( stdout, format, ap );
+    va_end( ap );
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#define _PDCLIB_FILEID "stdio/printf.c"
+#define _PDCLIB_FILEIO
+
+#include <_PDCLIB_test.h>
+
+#define testprintf( stream, format, ... ) printf( format, __VA_ARGS__ )
+
+int main( void )
+{
+    FILE * target;
+    TESTCASE( ( target = freopen( testfile, "wb+", stdout ) ) != NULL );
+#include "printf_testcases.h"
+    TESTCASE( fclose( target ) == 0 );
+    TESTCASE( remove( testfile ) == 0 );
+    return TEST_RESULTS;
+}
+
+#endif