Make all bucket and overflow addresses unsigned

[unix-history] / usr / src / lib / libc / stdio / tempnam.c

diff --git a/usr/src/lib/libc/stdio/tempnam.c b/usr/src/lib/libc/stdio/tempnam.c
index 741186e..6c0221a 100644 (file)
--- a/usr/src/lib/libc/stdio/tempnam.c
+++ b/usr/src/lib/libc/stdio/tempnam.c
@@ -1,9 +1,58 @@
-/* @(#)tempnam.c       4.1 (Berkeley) %G% */
-char *tmpnam(s)
-char *s;
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * %sccs.include.redist.c%
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)tempnam.c  5.1 (Berkeley) %G%";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <paths.h>
+
+char *
+tempnam(dir, pfx)
+       const char *dir, *pfx;

 {
 {

-       static seed;
+       int sverrno;
+       char *f, *name;
+
+       if (!(name = malloc(MAXPATHLEN)))
+               return(NULL);
+
+       if (!pfx)
+               pfx = "tmp.";
+
+       if (f = getenv("TMPDIR")) {
+               (void)snprintf(name, MAXPATHLEN, "%s/%sXXXXXX", f, pfx);
+               if (f = mktemp(name))
+                       return(f);
+       }
+
+       if (f = (char *)dir) {
+               (void)snprintf(name, MAXPATHLEN, "%s/%sXXXXXX", f, pfx);
+               if (f = mktemp(name))
+                       return(f);
+       }
+
+       f = P_tmpdir;
+       (void)snprintf(name, MAXPATHLEN, "%s/%sXXXXXX", f, pfx);
+       if (f = mktemp(name))
+               return(f);
+
+       f = _PATH_TMP;
+       (void)snprintf(name, MAXPATHLEN, "%s/%sXXXXXX", f, pfx);
+       if (f = mktemp(name))
+               return(f);

 
 

-       sprintf(s, "temp.%d.%d", getpid(), seed++);
-       return(s);
+       sverrno = errno;
+       free(name);
+       errno = sverrno;
+       return(NULL);

 }
 }