ASSERT (*str);
ASSERT (errno == 0);
- /* POSIX requires strerror (0) to succeed; use of "Unknown error" or
- "error 0" does not count as success, but "No error" works.
+ /* POSIX requires strerror (0) to succeed. Reject use of "Unknown
+ error", but allow "Success", "No error", or even Solaris' "Error
+ 0" which are distinct patterns from true out-of-range strings.
http://austingroupbugs.net/view.php?id=382 */
errno = 0;
str = strerror (0);
ASSERT (str);
ASSERT (*str);
ASSERT (errno == 0);
- ASSERT (strchr (str, '0') == NULL);
ASSERT (strstr (str, "nknown") == NULL);
+ ASSERT (strstr (str, "ndefined") == NULL);
/* POSIX requires strerror to produce a non-NULL result for all
inputs; as an extension, we also guarantee a non-empty reseult.