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Handle unlikely negative time in tor_log_err_sigsafe

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Coverity wants this; CID 1130990.
This commit is contained in:
Nick Mathewson 2013-11-22 12:14:11 -05:00
parent 027f4c82eb
commit 6cbd17470d
1 changed files with 5 additions and 3 deletions
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8
src/common/log.c
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@ -474,7 +474,7 @@ tor_log_err_sigsafe(const char *m, ...)
{
va_list ap;
const char *x;
char timebuf[32];
char timebuf[33];
time_t now = time(NULL);
if (!m)
@ -483,8 +483,10 @@ tor_log_err_sigsafe(const char *m, ...)
int g = log_time_granularity / 1000;
now -= now % g;
}
timebuf[0] = '\0';
format_dec_number_sigsafe(now, timebuf, sizeof(timebuf));
timebuf[0] = now < 0 ? '-' : ' ';
if (now < 0) now = -now;
timebuf[1] = '\0';
format_dec_number_sigsafe(now, timebuf+1, sizeof(timebuf)-1);
tor_log_err_sigsafe_write("\n=========================================="
"================== T=");
tor_log_err_sigsafe_write(timebuf);