Any chance you could review the man page of these functions on IRIX and
report back, specifically return value and error exceptions? MAX is a
valid value. They might be playing some game with endptr to signify errors.
On Oct 14, 2015 18:17, "Rainer M. Canavan" <[email protected]> wrote:
> Hi,
>
> it appears that teststr has 2 failures on IRIX since quite a while -
> at least since 1.4.2:
>
> teststr : \Line 259: for '123545': errno was 89 not 0
> |Line 285: strtoff failed for 1234
> FAILED 2 of 13
> Failed Tests Total Fail Failed %
> ===================================================
> teststr 13 2 15.38%
>
> I'm not sure where the 89 comes from - that would be ENOSYS, and that
> doesn't happen in a simple test program that only uses apr_strtoff()
> or apr_strtoi64(). If my tests are correct, the IRIX libc takes a
> liberal approach to setting errno, i.e. the value is only relevant if
> and only if the correct value is outside the range of representable
> values - which is permissible accoring to my reading of the C11
> standard.
>
> Once apr_stroff() has failed, errno bounces back to the previous value,
> e.g. 34 (ERANGE) whenever strtoll() (or apr_stroff() or apr_strtoi64()
> is called, even if it is reset to 0 before the call and all arguments
> are valid.
>
> This behaviour is reproducable in a simple test program that only
> uses strtoll() if the program is linked against libpthread.so.
> The program below prints "errno: 34 off: 12345" as the last
> line when linked against libpthread, and "errno: 0 off: 12345"
> otherwise.
>
> The patch below fixes teststr on IRIX, but I'm not convinced
> that it is actually correct.
>
> rainer
>
> --- ../../src/apr-1.5.2/strings/apr_strings.c Thu Oct 15 00:52:54 CEST
> 2015
> +++ apr_strings.c Thu Oct 15 01:12:16 CEST 2015
> @@ -238,6 +238,7 @@
> {
> errno = 0;
> *offset = APR_OFF_T_STRFN(nptr, endptr, base);
> + if ((*offset != APR_INT64_MIN) && (*offset != APR_INT64_MAX)) return
> APR_FROM_OS_ERROR(0);
> return APR_FROM_OS_ERROR(errno);
> }
>
> @@ -244,8 +245,11 @@
> APR_DECLARE(apr_int64_t) apr_strtoi64(const char *nptr, char **endptr,
> int base)
> {
> #ifdef APR_INT64_STRFN
> + apr_int64_t i;
> errno = 0;
> - return APR_INT64_STRFN(nptr, endptr, base);
> + i = APR_INT64_STRFN(nptr, endptr, base);
> + if ((i != APR_INT64_MIN) && (i != APR_INT64_MAX)) errno = 0;
> + return i;
> #else
> const char *s;
> apr_int64_t acc;
>
