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author | Jim Meyering <jim@meyering.net> | 1997-08-18 19:50:35 +0000 |
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committer | Jim Meyering <jim@meyering.net> | 1997-08-18 19:50:35 +0000 |
commit | b5ef7a4be75e46cd44eb2f3cfa2512a84026ce98 (patch) | |
tree | 2b48bbb1a6e5b608dd91e16fb9119d1b6c41c90e | |
parent | 41347fc40e8258539e69e2604abbbd88a875e22e (diff) | |
download | coreutils-b5ef7a4be75e46cd44eb2f3cfa2512a84026ce98.tar.xz |
(show_date): Don't hang if strftime produces an empty string.
-rw-r--r-- | src/date.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/date.c b/src/date.c index 36bc01feb..591264e5c 100644 --- a/src/date.c +++ b/src/date.c @@ -399,8 +399,14 @@ show_date (const char *format, time_t when) { out_length += 200; out = (char *) xrealloc (out, out_length); + + /* Mark the first byte of the buffer so we can detect the case + of strftime producing an empty string. Otherwise, this loop + would not terminate when date was invoked like this + `LANG=de date +%p' on a system with good language support. */ + out[0] = '\1'; } - while (strftime (out, out_length, format, tm) == 0); + while (strftime (out, out_length, format, tm) == 0 && out[0] != '\0'); printf ("%s\n", out); free (out); |