-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int vsprintf( char * restrict s, const char * restrict format, va_list ap) { /* TODO */ };
+/* $Id$ */
+
+/* vsprintf( char *, const char *, va_list ap )
+
+ 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 <stdint.h>
+#include <stdarg.h>
+
+#ifndef REGTEST
+
+int vsprintf( char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, va_list arg )
+{
+ return vsnprintf( s, SIZE_MAX, format, arg ); /* TODO: Replace with a non-checking call */
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+#include <limits.h>
+#include <stdint.h>
+#include <string.h>
+
+
+static int testprintf( char * s, size_t n, const char * format, ... )
+{
+ int i;
+ va_list arg;
+ va_start( arg, format );
+ i = vsprintf( s, format, arg );
+ va_end( arg );
+ return i;
+}
+
+int main( void )
+{
+ char buffer[100];
+#include "printf_testcases.incl"
+ return TEST_RESULTS;
+}
+
+#endif