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time multiplication overflow fix

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In 32 bit platforms, timespecmul2() macro function, overflow occurs during multiplication.
Size of `long` type in 32 bit platform is 4 bytes, but the size of `long` type in 64 bit platform is 8 bytes.
This commit is contained in:
Abhishek Sunkum Rammurthy
2019-12-17 15:16:12 +01:00
parent 78385ba8b7
commit b542e14959
1 changed files with 3 additions and 3 deletions
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6
src/time_ops.h
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@@ -60,9 +60,9 @@
#define timermul2(tvp, c, result, prefix) \
do \
{ \
long long tmp_time; \
tmp_time = (c) * ((tvp)->tv_sec * SEC_TO_##prefix##SEC + \
(tvp)->tv_##prefix##sec); \
int64_t tmp_time; \
tmp_time = (c) * (int64_t) ((tvp)->tv_sec * SEC_TO_##prefix##SEC + \
(int64_t) (tvp)->tv_##prefix##sec); \
(result)->tv_##prefix##sec = tmp_time % SEC_TO_##prefix##SEC; \
(result)->tv_sec = (tmp_time - (result)->tv_##prefix##sec) / \
SEC_TO_##prefix##SEC; \