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authorJames Byrne <james.byrne@origamienergy.com>2019-04-12 17:01:51 +0000
committerDenys Vlasenko <vda.linux@googlemail.com>2019-04-30 10:51:27 +0200
commit253c4e787a799a3e1f92957ed791b5222f8d2f64 (patch)
tree36204e05aaaf2cdcbd89eaadeff0193f99b063bf /miscutils/crond.c
parentf3a064f4956e113978e74486300dcd1e3e044efa (diff)
downloadbusybox-253c4e787a799a3e1f92957ed791b5222f8d2f64.tar.gz
Optionally re-introduce bb_info_msg()
Between Busybox 1.24.2 and 1.25.0 the bb_info_msg() function was eliminated and calls to it changed to be bb_error_msg(). The downside of this is that daemons now log all messages to syslog at the LOG_ERR level which makes it hard to filter errors from informational messages. This change optionally re-introduces bb_info_msg(), controlled by a new option FEATURE_SYSLOG_INFO, restores all the calls to bb_info_msg() that were removed (only in applets that set logmode to LOGMODE_SYSLOG or LOGMODE_BOTH), and also changes informational messages in ifplugd and ntpd. The code size change of this is as follows (using 'defconfig' on x86_64 with gcc 7.3.0-27ubuntu1~18.04) function old new delta bb_info_msg - 182 +182 bb_vinfo_msg - 27 +27 static.log7 194 198 +4 log8 190 191 +1 log5 190 191 +1 crondlog 45 - -45 ------------------------------------------------------------------------------ (add/remove: 2/1 grow/shrink: 3/0 up/down: 215/-45) Total: 170 bytes If you don't care about everything being logged at LOG_ERR level then when FEATURE_SYSLOG_INFO is disabled Busybox actually gets smaller: function old new delta static.log7 194 200 +6 log8 190 193 +3 log5 190 193 +3 syslog_level 1 - -1 bb_verror_msg 583 581 -2 crondlog 45 - -45 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 3/1 up/down: 12/-48) Total: -36 bytes Signed-off-by: James Byrne <james.byrne@origamienergy.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/crond.c')
-rw-r--r--miscutils/crond.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/miscutils/crond.c b/miscutils/crond.c
index 25e5503c7..b533a3991 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -181,9 +181,7 @@ static void crondlog(unsigned level, const char *msg, va_list va)
* need not touch syslog_level
* (they are ok with LOG_ERR default).
*/
- syslog_level = LOG_INFO;
- bb_verror_msg(msg, va, /* strerr: */ NULL);
- syslog_level = LOG_ERR;
+ bb_vinfo_msg(msg, va);
}
}
@@ -1108,7 +1106,7 @@ int crond_main(int argc UNUSED_PARAM, char **argv)
process_cron_update_file();
log5("wakeup dt=%ld", dt);
if (dt < -60 * 60 || dt > 60 * 60) {
- bb_error_msg("time disparity of %ld minutes detected", dt / 60);
+ bb_info_msg("time disparity of %ld minutes detected", dt / 60);
/* and we do not run any jobs in this case */
} else if (dt > 0) {
/* Usual case: time advances forward, as expected */