timers: use snprintf instead of sprintf
diff --git a/src/timers.cc b/src/timers.cc
index 2501bab..dbc7ba3 100644
--- a/src/timers.cc
+++ b/src/timers.cc
@@ -213,9 +213,8 @@
tz_offset_sign = '-';
}
- // Apply % 100 to hour to guarantee range [0, 99].
- tz_len = ::sprintf(tz_offset, "%c%02li:%02li", tz_offset_sign,
- (offset_minutes / 100) % 100, offset_minutes % 100);
+ tz_len = ::snprintf(tz_offset, sizeof(tz_offset), "%c%02li:%02li",
+ tz_offset_sign, (offset_minutes / 100), offset_minutes % 100);
CHECK(tz_len == 6);
((void)tz_len); // Prevent unused variable warning in optimized build.
} else {
