X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ftmpnam.c;h=270109d91fdf710d87e36bce4658d718908e1d39;hb=0e35e82c5e9a0804864839e8fc0e985b1ae41f07;hp=fe3a75d9f5f54de3d61861f0e1c1a02c206e05e5;hpb=dcc8a8e99f69e090a03b7b868443addbc0817820;p=pdclib.old

diff --git a/functions/stdio/tmpnam.c b/functions/stdio/tmpnam.c
index fe3a75d..270109d 100644
--- a/functions/stdio/tmpnam.c
+++ b/functions/stdio/tmpnam.c
@@ -1,8 +1,43 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-char * tmpnam( char * s ) { /* TODO */ };
+/* $Id$ */
+
+/* tmpnam( 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>
+
+#ifndef REGTEST
+
+#include <string.h>
+#include <_PDCLIB_io.h>
+
+char * tmpnam( char * s )
+{
+    static char filename[ L_tmpnam ];
+    FILE * file = tmpfile();
+    if ( s == NULL )
+    {
+        s = filename;
+    }
+    strcpy( s, file->filename );
+    fclose( file );
+    return s;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+#include <string.h>
+
+int main( void )
+{
+    TESTCASE( strlen( tmpnam( NULL ) ) < L_tmpnam );
+    return TEST_RESULTS;
+}
+
+#endif
+