Re: 'make check' failures on Solaris 2.5 and 5.8

[Vin Shelton <shelton@icd.teradyne.com>]

Oliver Kiddle <okiddle@yahoo.co.uk> writes:

> Vin Shelton wrote:
>> Sorry to followup my own post, but I forgot to mention that the
>> failures started appearing on 2003-03-14.  My 2003-03-13 build passed
>> 'make check' fine, except for the expected C02cond failure.
>
> That narrows it down to being my fault in the \u/\U change. Thanks for
> reporting it.
>
> The problem is that MB_LEN_MAX is less than 6 on Solaris so it wasn't
> allocating enough memory. UTF-8 has characters up to 6 bytes in length
> so this suprised me. Solaris 8 pretends to offer UTF-8 locales but I
> can't get them to work. The patch below is a quick fix. MB_LEN_MAX is
> defined to be 16 in recent glibc which seems high. Anyone know why or
> what character sets need that? Handling of $'...' will need rethinking if
> '\unnnn' can produce more than 6 bytes because $'...' is done by modifying
> the string in place.
>
> If anyone has access to any operating systems other than Linux
> and Solaris 8, it would be really useful to know whether it defines
> __STDC_ISO_10646__, the value of MB_LEN_MAX and, even more valuably, what
> iconv conversions it allows. iconv doesn't necessarily use the same names
> for character sets as nl_langinfo(CODESET). unicode can be ISO-10646,
> ISO646, 646, UCS4 and other variants so I perhaps should manually convert
> to UTF-8 as that has fewer names and then try converting to WCHAR_T and
> then nl_langinfo(CODESET).
>
> Oliver
>
> Index: utils.c
> ===================================================================
> RCS file: /cvsroot/zsh/zsh/Src/utils.c,v
> retrieving revision 1.45
> diff -u -r1.45 utils.c
> --- utils.c	14 Mar 2003 13:36:16 -0000	1.45
> +++ utils.c	18 Mar 2003 11:33:59 -0000
> @@ -3311,15 +3311,12 @@
>      char *inptr, *outptr;
>  #  endif
>      size_t count;
> -    size_t buflen = MB_LEN_MAX * (strlen(s) / 6) + (strlen(s) % 6) + 1;
> -#else
> -    size_t buflen = strlen(s) + 1;
>  #endif
>  
>      if (fromwhere == 6)
>  	t = buf = tmp;
>      else if (fromwhere != 4)
> -	t = buf = zhalloc(buflen);
> +	t = buf = zhalloc(strlen(s) + 1);
>      else {
>  	t = buf = s;
>  	s += 2;
>

Oliver,

Your quick fix solved my 'make check' problems on both Solaris 5.5 and
5.8.

Thanks,
  Vin