tmpnam implemented by using tmpfile.

[pdclib] / functions / stdio / tmpnam.c

diff --git a/functions/stdio/tmpnam.c b/functions/stdio/tmpnam.c
new file mode 100644 (file)
index 0000000..a9f5385
--- /dev/null
+++ b/functions/stdio/tmpnam.c
@@ -0,0 +1,43 @@
+/* $Id$ */
+
+/* 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_glue.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
+