Reworked scanf() testing. General cleanups.

[fw/pdclib] / functions / stdio / snprintf.c

diff --git a/functions/stdio/snprintf.c b/functions/stdio/snprintf.c
index f4b7ebfd492dd2006d6841e153fb8f5b72f57124..6dd39671fdf33647fb4b5d97f9022c3dad547372 100644 (file)
--- a/functions/stdio/snprintf.c
+++ b/functions/stdio/snprintf.c
@@ -1,8 +1,41 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int snprintf( char * restrict s, size_t n, const char * restrict format, ... ) { /* TODO */ };
+/* $Id$ */
+
+/* snprintf( char *, size_t, 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 snprintf( char * _PDCLIB_restrict s, size_t n, const char * _PDCLIB_restrict format, ...)
+{
+    int rc;
+    va_list ap;
+    va_start( ap, format );
+    rc = vsnprintf( s, n, format, ap );
+    va_end( ap );
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#define _PDCLIB_FILEID "stdio/snprintf.c"
+#define _PDCLIB_STRINGIO
+
+#include <_PDCLIB_test.h>
+
+#define testprintf( s, format, ... ) snprintf( s, 100, format, __VA_ARGS__ )
+
+int main( void )
+{
+    char target[100];
+#include "printf_testcases.h"
+    return TEST_RESULTS;
+}
+
+#endif