Re: strtoimax: work around AIX 5.1 bug

[Pádraig Brady]

On 01/05/2012 05:50 PM, Bruno Haible wrote:

> *** m4/strtoimax.m4.orig      Thu Jan  5 18:46:08 2012
> --- m4/strtoimax.m4   Thu Jan  5 18:45:21 2012
> ***************
> *** 1,4 ****
> ! # strtoimax.m4 serial 11
>   dnl Copyright (C) 2002-2004, 2006, 2009-2012 Free Software Foundation, Inc.
>   dnl This file is free software; the Free Software Foundation
>   dnl gives unlimited permission to copy and/or distribute it,
> --- 1,4 ----
> ! # strtoimax.m4 serial 12
>   dnl Copyright (C) 2002-2004, 2006, 2009-2012 Free Software Foundation, Inc.
>   dnl This file is free software; the Free Software Foundation
>   dnl gives unlimited permission to copy and/or distribute it,
> ***************
> *** 14,19 ****
> --- 14,71 ----
>     if test "$ac_cv_have_decl_strtoimax" != yes; then
>       HAVE_DECL_STRTOIMAX=0
>     fi
> + 
> +   if test $ac_cv_func_strtoimax = yes; then
> +     HAVE_STRTOIMAX=1
> +     dnl On AIX 5.1, strtoimax() fails for values outside the 'int' range.
> +     AC_REQUIRE([gl_AC_HEADER_STDINT_H])
> +     AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
> +     AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
> +     AC_CACHE_CHECK([whether strtoimax works], [gl_cv_func_strtoimax],
> +       [AC_RUN_IFELSE(
> +          [AC_LANG_SOURCE([[
> + #include <errno.h>
> + #include <stdio.h>
> + #include <string.h>
> + #include <sys/types.h>
> + #if HAVE_STDINT_H_WITH_UINTMAX
> + # include <stdint.h>
> + #endif
> + #if HAVE_INTTYPES_H_WITH_UINTMAX
> + # include <inttypes.h>
> + #endif
> + int main ()
> + {
> +   const char *s = "4294967295";

Should that string be defined based on sizeof(intmax_t)?

cheers,
Pádraig.