You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
155 lines
7.1 KiB
155 lines
7.1 KiB
From add02d6e5934100f023b45584d0227be90a297e8 Mon Sep 17 00:00:00 2001 |
|
From: Jan Synacek <jsynacek@redhat.com> |
|
Date: Thu, 19 Oct 2017 09:53:56 +0200 |
|
Subject: [PATCH] timedatectl: stop using xstrftime |
|
MIME-Version: 1.0 |
|
Content-Type: text/plain; charset=UTF-8 |
|
Content-Transfer-Encoding: 8bit |
|
|
|
When using strftime in arbitrary locales, we cannot really say how big the |
|
buffer should be. Let's make the buffer "large", which will work fine pretty |
|
much always, and just print n/a if the timestamp does not fit. strftime returns |
|
0 if the buffer is too small and a NUL-terminated string otherwise, so we |
|
can drop the size specifications in string formatting. |
|
|
|
$ export LANG=fa_IR.UTF-8 |
|
$ date |
|
چهارشنبه ۱۸ اكتبر ۱۷، ساعت ۱۰:۵۴:۲۴ (+0330) |
|
$ timedatectl |
|
Assertion 'xstrftime: a[] must be big enough' failed at ../src/timedate/timedatectl.c:105, function print_status_info(). Aborting. |
|
|
|
now: |
|
|
|
$ timedatectl |
|
Local time: چهارشنبه 2017-10-18 16:29:40 CEST |
|
Universal time: چهارشنبه 2017-10-18 14:29:40 UTC |
|
RTC time: چهارشنبه 2017-10-18 14:29:40 |
|
… |
|
|
|
(cherry picked from commit 14ce0c25c28ba58e80084e28b4f23884199900e4) |
|
Resolves: #1503942 |
|
--- |
|
src/shared/time-util.h | 2 -- |
|
src/timedate/timedatectl.c | 49 ++++++++++++++++++++++++---------------------- |
|
2 files changed, 26 insertions(+), 25 deletions(-) |
|
|
|
diff --git a/src/shared/time-util.h b/src/shared/time-util.h |
|
index f2789142f..32e90902a 100644 |
|
--- a/src/shared/time-util.h |
|
+++ b/src/shared/time-util.h |
|
@@ -108,5 +108,3 @@ int get_timezones(char ***l); |
|
bool timezone_is_valid(const char *name); |
|
|
|
clockid_t clock_boottime_or_monotonic(void); |
|
- |
|
-#define xstrftime(buf, fmt, tm) assert_se(strftime(buf, ELEMENTSOF(buf), fmt, tm) > 0) |
|
diff --git a/src/timedate/timedatectl.c b/src/timedate/timedatectl.c |
|
index 1accccb68..3e9b657bc 100644 |
|
--- a/src/timedate/timedatectl.c |
|
+++ b/src/timedate/timedatectl.c |
|
@@ -93,8 +93,8 @@ static const char *jump_str(int delta_minutes, char *s, size_t size) { |
|
} |
|
|
|
static void print_status_info(const StatusInfo *i) { |
|
- char a[FORMAT_TIMESTAMP_MAX]; |
|
- char b[FORMAT_TIMESTAMP_MAX]; |
|
+ char a[LINE_MAX]; |
|
+ char b[LINE_MAX]; |
|
char s[32]; |
|
struct tm tm; |
|
time_t sec; |
|
@@ -104,6 +104,7 @@ static void print_status_info(const StatusInfo *i) { |
|
int dn = 0; |
|
bool is_dstc = false, is_dstn = false; |
|
int r; |
|
+ size_t n; |
|
|
|
assert(i); |
|
|
|
@@ -123,11 +124,11 @@ static void print_status_info(const StatusInfo *i) { |
|
fprintf(stderr, "Warning: Could not get time from timedated and not operating locally.\n\n"); |
|
|
|
if (have_time) { |
|
- xstrftime(a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)); |
|
- printf(" Local time: %.*s\n", (int) sizeof(a), a); |
|
+ n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&sec, &tm)); |
|
+ printf(" Local time: %s\n", n > 0 ? a : "n/a"); |
|
|
|
- xstrftime(a, "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)); |
|
- printf(" Universal time: %.*s\n", (int) sizeof(a), a); |
|
+ n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S UTC", gmtime_r(&sec, &tm)); |
|
+ printf(" Universal time: %s\n", n > 0 ? a : "n/a"); |
|
} else { |
|
printf(" Local time: %s\n", "n/a"); |
|
printf(" Universal time: %s\n", "n/a"); |
|
@@ -137,24 +138,26 @@ static void print_status_info(const StatusInfo *i) { |
|
time_t rtc_sec; |
|
|
|
rtc_sec = (time_t)(i->rtc_time / USEC_PER_SEC); |
|
- xstrftime(a, "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm)); |
|
- printf(" RTC time: %.*s\n", (int) sizeof(a), a); |
|
+ n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S", gmtime_r(&rtc_sec, &tm)); |
|
+ printf(" RTC time: %s\n", n > 0 ? a : "n/a"); |
|
} else |
|
printf(" RTC time: %s\n", "n/a"); |
|
|
|
if (have_time) |
|
- xstrftime(a, "%Z, %z", localtime_r(&sec, &tm)); |
|
+ n = strftime(a, sizeof a, "%Z, %z", localtime_r(&sec, &tm)); |
|
|
|
- printf(" Time zone: %s (%.*s)\n" |
|
+ printf(" Time zone: %s (%s)\n" |
|
" NTP enabled: %s\n" |
|
"NTP synchronized: %s\n" |
|
" RTC in local TZ: %s\n", |
|
- strna(i->timezone), (int) sizeof(a), have_time ? a : "n/a", |
|
+ strna(i->timezone), have_time && n > 0 ? a : "n/a", |
|
i->ntp_capable ? yes_no(i->ntp_enabled) : "n/a", |
|
yes_no(i->ntp_synced), |
|
yes_no(i->rtc_local)); |
|
|
|
if (have_time) { |
|
+ size_t m; |
|
+ |
|
r = time_get_dst(sec, "/etc/localtime", |
|
&tc, &zc, &is_dstc, |
|
&tn, &dn, &zn, &is_dstn); |
|
@@ -164,26 +167,26 @@ static void print_status_info(const StatusInfo *i) { |
|
printf(" DST active: %s\n", yes_no(is_dstc)); |
|
|
|
t = tc - 1; |
|
- xstrftime(a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)); |
|
+ n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)); |
|
|
|
- xstrftime(b, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tc, &tm)); |
|
+ m = strftime(b, sizeof b, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tc, &tm)); |
|
printf(" Last DST change: DST %s at\n" |
|
- " %.*s\n" |
|
- " %.*s\n", |
|
+ " %s\n" |
|
+ " %s\n", |
|
is_dstc ? "began" : "ended", |
|
- (int) sizeof(a), a, |
|
- (int) sizeof(b), b); |
|
+ n > 0 ? a : "n/a", |
|
+ m > 0 ? b : "n/a"); |
|
|
|
t = tn - 1; |
|
- xstrftime(a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)); |
|
- xstrftime(b, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tn, &tm)); |
|
+ n = strftime(a, sizeof a, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&t, &tm)); |
|
+ m = strftime(b, sizeof b, "%a %Y-%m-%d %H:%M:%S %Z", localtime_r(&tn, &tm)); |
|
printf(" Next DST change: DST %s (the clock jumps %s) at\n" |
|
- " %.*s\n" |
|
- " %.*s\n", |
|
+ " %s\n" |
|
+ " %s\n", |
|
is_dstn ? "begins" : "ends", |
|
jump_str(dn, s, sizeof(s)), |
|
- (int) sizeof(a), a, |
|
- (int) sizeof(b), b); |
|
+ n > 0 ? a : "n/a", |
|
+ m > 0 ? b : "n/a"); |
|
} |
|
} else |
|
printf(" DST active: %s\n", yes_no(is_dstc));
|
|
|