diff options
| -rw-r--r-- | lib/libutil/expand_number.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/libutil/expand_number.c b/lib/libutil/expand_number.c index 0a62c12..401e2d9 100644 --- a/lib/libutil/expand_number.c +++ b/lib/libutil/expand_number.c @@ -50,15 +50,22 @@ int expand_number(const char *buf, uint64_t *num) { uint64_t number; + int saved_errno; unsigned shift; char *endptr; + saved_errno = errno; + errno = 0; + number = strtoumax(buf, &endptr, 0); if (number == UINTMAX_MAX && errno == ERANGE) { return (-1); } + if (errno == 0) + errno = saved_errno; + if (endptr == buf) { /* No valid digits. */ errno = EINVAL; |
