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[modify for coverity scan]

This commit is contained in:
Hui Li 2020-06-18 15:44:58 +08:00
parent 89aa04debb
commit 4f6973d6ec
1 changed files with 10 additions and 3 deletions
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13
src/util/src/tutil.c
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@ -40,10 +40,17 @@ int taosRand(void)
unsigned long seed;
fd = open("/dev/urandom", 0);
if ((fd < 0) || (read(fd, &seed, sizeof(seed)) < 0)) seed = time(0);
if (fd >= 0) close(fd);
if (fd < 0) {
seed = time(0);
} else {
int len = read(fd, &seed, sizeof(seed));
if (len < 0) {
seed = time(0);
}
srand(seed);
close(fd);
}
srand(seed);
return rand();
}
#endif