Improved reporting by printf tests.

[pdclib] / functions / stdio / sprintf.c

diff --git a/functions/stdio/sprintf.c b/functions/stdio/sprintf.c
index 5a062024a1a16382c4be1bf30a7d8603f5976ca0..9b0ac81e35a969a7c2ac0e64054b0fb4ba1abdb9 100644 (file)
--- a/functions/stdio/sprintf.c
+++ b/functions/stdio/sprintf.c
@@ -1,8 +1,45 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int sprintf( char * restrict s, const char * restrict format, ... ) { /* TODO */ };
+/* $Id$ */
+
+/* sprintf( char *, 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 <stdint.h>
+#include <stdarg.h>
+
+#ifndef REGTEST
+
+int sprintf( char * _PDCLIB_restrict s, const char * _PDCLIB_restrict format, ...)
+{
+    int rc;
+    va_list ap;
+    va_start( ap, format );
+    rc = vsnprintf( s, SIZE_MAX, format, ap ); /* TODO: replace with non-checking call */
+    va_end( ap );
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+#include <string.h>
+#include <limits.h>
+
+#define testprintf( s, n, format, ... ) sprintf( s, format, __VA_ARGS__ )
+
+#define TESTCASE_SPRINTF( x ) if ( strcmp( buffer, x ) == 0 ) {} \
+                              else { TEST_RESULTS += 1; printf( "FAILED: " __FILE__ ", line %d - \"%s\" != %s\n", __LINE__, buffer, #x ); }
+
+int main( void )
+{
+    char buffer[100];
+#include "printf_testcases.incl"
+    return TEST_RESULTS;
+}
+
+#endif