1 files changed, 102 insertions, 0 deletions
diff --git a/StdLib/LibC/Stdio/tempnam.c b/StdLib/LibC/Stdio/tempnam.c
new file mode 100644
index 0000000000..368da844d0
--- /dev/null
+++ b/StdLib/LibC/Stdio/tempnam.c
@@ -0,0 +1,102 @@
+/*  $NetBSD: tempnam.c,v 1.19 2005/07/27 13:23:07 drochner Exp $  */
+
+/*
+ * Copyright (c) 1988, 1993
+ *  The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include  <LibConfig.h>
+#include  <sys/EfiCdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)tempnam.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: tempnam.c,v 1.19 2005/07/27 13:23:07 drochner Exp $");
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+#include  "namespace.h"
+#include  <sys/param.h>
+#include  <errno.h>
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <string.h>
+#include  <sys/EfiSysCall.h>
+#include  <paths.h>
+#include  "reentrant.h"
+#include  "local.h"
+
+__warn_references(tempnam,
+    "warning: tempnam() possibly used unsafely, use mkstemp() or mkdtemp()")
+
+static const char *
+trailsl(const char *f)
+{
+  const char *s = f;
+  while (*s)
+    s++;
+  return (f != s && s[-1] == '/') ? "" : "/";
+}
+
+static char *
+gentemp(char *name, size_t len, const char *tmp, const char  *pfx)
+{
+  (void)snprintf(name, len, "%s%s%sXXXX", tmp, trailsl(tmp), pfx);
+  return _mktemp(name);
+}
+
+char *
+tempnam(const char *dir, const char *pfx)
+{
+  int sverrno;
+  char *name, *f;
+  const char *tmp;
+
+  if (!(name = malloc((size_t)MAXPATHLEN)))
+    return NULL;
+
+  if (!pfx)
+    pfx = "tmp.";
+
+  if ((tmp = getenv("TMPDIR")) != NULL &&
+      (f = gentemp(name, (size_t)MAXPATHLEN, tmp, pfx)) != NULL)
+    return f;
+
+  if (dir != NULL &&
+      (f = gentemp(name, (size_t)MAXPATHLEN, dir, pfx)) != NULL)
+    return f;
+
+  //if ((f = gentemp(name, (size_t)MAXPATHLEN, P_tmpdir, pfx)) != NULL)
+  //  return f;
+
+  if ((f = gentemp(name, (size_t)MAXPATHLEN, _PATH_TMP, pfx)) != NULL)
+    return f;
+
+  sverrno = errno;
+  free(name);
+  errno = sverrno;
+  return(NULL);
+}