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-rw-r--r--src/touch.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/src/touch.c b/src/touch.c
index 49be961e4..18f81c8aa 100644
--- a/src/touch.c
+++ b/src/touch.c
@@ -405,12 +405,18 @@ main (int argc, char **argv)
if (! getenv ("POSIXLY_CORRECT"))
{
struct tm const *tm = localtime (&newtime[0].tv_sec);
- error (0, 0,
- _("warning: `touch %s' is obsolete; use "
- "`touch -t %04ld%02d%02d%02d%02d.%02d'"),
- argv[optind],
- tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+ /* Technically, it appears that even a deliberate attempt to cause
+ the above localtime to return NULL will always fail because our
+ posixtime implementation rejects all dates for which localtime
+ would fail. However, skip the warning if it ever fails. */
+ if (tm)
+ error (0, 0,
+ _("warning: `touch %s' is obsolete; use "
+ "`touch -t %04ld%02d%02d%02d%02d.%02d'"),
+ argv[optind],
+ tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday,
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
}
optind++;