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-rw-r--r--multimespec.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/multimespec.c b/multimespec.c
index c2a58c1..bc73055 100644
--- a/multimespec.c
+++ b/multimespec.c
@@ -31,13 +31,11 @@ libsimple_multimespec(struct timespec *prod, const struct timespec *multiplicand
xs = ns / 1000000000L;
ns %= 1000000000L;
- if (s > TIME_MAX / multiplier)
+ if (LIBSIMPLE_SMUL_OVERFLOW_AP_BP(s, multiplier, &s, TIME_MIN, TIME_MAX))
goto overflow;
- s *= multiplier;
- if (s > TIME_MAX - (time_t)xs)
+ if (LIBSIMPLE_SADD_OVERFLOW_NONNEG(s, (time_t)xs, &s, TIME_MIN, TIME_MAX))
goto overflow;
- s += (time_t)xs;
if (neg) {
s = -s;