On 9/19/24 1:39 AM, Stephane Chazelas wrote:

Looks like printf(3) gets called with a `Lf' conversation specifier and
a double argument.

Yes, I came to the same conclusion with an essentially identical fix.
[...]

Would it be possible to have a 5.2 patch released with the
backport of those two fixes?

Sure, when I get a chance I'll do the patch engineering. Here's what it
will be.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    c...@case.edu    http://tiswww.cwru.edu/~chet/
*** ../bash-20231106/configure.ac       Fri Aug 11 14:52:31 2023
--- configure.ac        Tue Nov 21 12:00:25 2023
***************
*** 899,903 ****
                [AC_LANG_PROGRAM(
                [[#include <stdlib.h>]],
!               [[long double r; char *foo, bar; r = strtold(foo, &bar);]]
        )],
        [bash_cv_strtold_broken=no],[bash_cv_strtold_broken=yes])
--- 900,904 ----
                [AC_LANG_PROGRAM(
                [[#include <stdlib.h>]],
!               [[long double r; char *foo, *bar; r = strtold(foo, &bar);]]
        )],
        [bash_cv_strtold_broken=no],[bash_cv_strtold_broken=yes])

*** ../bash-20231106/configure  Fri Aug 18 16:27:53 2023
--- configure   Tue Nov 21 12:00:30 2023
***************
*** 15923,15927 ****
  main (void)
  {
! long double r; char *foo, bar; r = strtold(foo, &bar);
  
    ;
--- 15932,15936 ----
  main (void)
  {
! long double r; char *foo, *bar; r = strtold(foo, &bar);
  
    ;

*** ../bash-5.2-patched/builtins/printf.def     Fri Jun 24 10:09:50 2022
--- builtins/printf.def Tue Aug 13 10:36:55 2024
***************
*** 710,714 ****
  
                    p = getfloatmax ();
!                   f = mklong (start, "L", 1);
                    PF (f, p);
                  }
--- 710,714 ----
  
                    p = getfloatmax ();
!                   f = mklong (start, FLOATMAX_CONV, USE_LONG_DOUBLE);
                    PF (f, p);
                  }

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