X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Fsnprintf.c;h=f095b8cb488daee3282e9b9442b553dd0dc9796c;hp=3a6e706f8ebeb1e1b8e59009f243347acd82c357;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=b08f4b52b1cd1f7a9553c0f357a7c90859fa3e73

diff --git a/functions/stdio/snprintf.c b/functions/stdio/snprintf.c
index 3a6e706..f095b8c 100644
--- a/functions/stdio/snprintf.c
+++ b/functions/stdio/snprintf.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /* snprintf( char *, size_t, const char *, ... )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -13,19 +11,32 @@
 
 int snprintf( char * _PDCLIB_restrict s, size_t n, const char * _PDCLIB_restrict format, ...)
 {
+    int rc;
     va_list ap;
     va_start( ap, format );
-    return vsnprintf( s, n, format, ap );
+    rc = vsnprintf( s, n, format, ap );
+    va_end( ap );
+    return rc;
 }
 
 #endif
 
 #ifdef TEST
-#include <_PDCLIB_test.h>
+#define _PDCLIB_FILEID "stdio/snprintf.c"
+#define _PDCLIB_STRINGIO
+#include <stdint.h>
+#include <stddef.h>
+
+#include "_PDCLIB_test.h"
+
+#define testprintf( s, ... ) snprintf( s, 100, __VA_ARGS__ )
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    char target[100];
+#include "printf_testcases.h"
+    TESTCASE( snprintf( NULL, 0, "foo" ) == 3 );
+    TESTCASE( snprintf( NULL, 0, "%d", 100 ) == 3 );
     return TEST_RESULTS;
 }