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authorJim Meyering <jim@meyering.net>2003-09-13 18:00:08 +0000
committerJim Meyering <jim@meyering.net>2003-09-13 18:00:08 +0000
commit6fe4848ea52562d370431d30528120004f8d9e7c (patch)
treee8788dab80d0d097e07c88e2cc1fa4779c261ac5 /lib
parenta05e8213a3eb94a06c0429d922eb67ed91365996 (diff)
downloadcoreutils-6fe4848ea52562d370431d30528120004f8d9e7c.tar.xz
from gnulib
Diffstat (limited to 'lib')
-rw-r--r--lib/time_r.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/time_r.c b/lib/time_r.c
new file mode 100644
index 000000000..6c4250412
--- /dev/null
+++ b/lib/time_r.c
@@ -0,0 +1,69 @@
+/* Reentrant time functions like localtime_r.
+
+ Copyright (C) 2003 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Written by Paul Eggert. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "time_r.h"
+
+#include <string.h>
+
+static char *
+copy_string_result (char *dest, char const *src)
+{
+ if (! src)
+ return 0;
+ return strcpy (dest, src);
+}
+
+static struct tm *
+copy_tm_result (struct tm *dest, struct tm const *src)
+{
+ if (! src)
+ return 0;
+ *dest = *src;
+ return dest;
+}
+
+
+char *
+asctime_r (struct tm const * restrict tm, char * restrict buf)
+{
+ return copy_string_result (buf, asctime (tm));
+}
+
+char *
+ctime_r (time_t const *t, char *buf)
+{
+ return copy_string_result (buf, ctime (t));
+}
+
+struct tm *
+gmtime_r (time_t const * restrict t, struct tm * restrict tp)
+{
+ return copy_tm_result (tp, gmtime (t));
+}
+
+struct tm *
+localtime_r (time_t const * restrict t, struct tm * restrict tp)
+{
+ return copy_tm_result (tp, localtime (t));
+}