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Bugfix: xadd command ID parse

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strictly check the string to be converted,
strtoull() in libc may not set errno to EINVAL when the string contains
invalid digits.
This commit is contained in:
dejun.xdj 2018-04-10 17:05:48 +08:00
parent 8ac7af1c5d
commit 3c20b3fc24
1 changed files with 4 additions and 2 deletions
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6
src/t_stream.c
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@ -917,8 +917,10 @@ int string2ull(const char *s, unsigned long long *value) {
return 1; return 1;
} }
errno = 0; errno = 0;
*value = strtoull(s,NULL,10); char *endptr = NULL;
if (errno == EINVAL || errno == ERANGE) return 0; /* strtoull() failed. */ *value = strtoull(s,&endptr,10);
if (errno == EINVAL || errno == ERANGE || !(*s != '\0' && *endptr == '\0'))
return 0; /* strtoull() failed. */
return 1; /* Conversion done! */ return 1; /* Conversion done! */
} }