strtod, strtold: Use the locale's decimal point. * lib/strtod.c: Include <locale.h>, <stdio.h>, <langinfo.h>. (decimal_point_char): New function, copied from lib/vasnprintf.c. (parse_number): Add a radixchar argument. Use it instead of '.'. (STRTOD): Invoke decimal_point_char and pass the result to parse_number. * m4/strtod.m4 (gl_PREREQ_STRTOD): Test whether nl_langinfo exists. * m4/strtold.m4 (gl_PREREQ_STRTOLD): Likewise. * tests/test-strtod1.c: New file. * tests/test-strtod1.sh: New file. * modules/strtod-tests (Files): Add test-strtod1.{sh,c}. Add locale-fr.m4 and its dependencies. (configure.ac): Invoke gt_LOCALE_FR, gt_LOCALE_FR_UTF8. (Makefile.am): Arrange to compile test-strtod1.c and run test-strtod1.sh. * tests/test-strtold1.c: New file. * tests/test-strtold1.sh: New file. * modules/strtold-tests (Files): Add test-strtold1.{sh,c}. Add locale-fr.m4 and its dependencies. (configure.ac): Invoke gt_LOCALE_FR, gt_LOCALE_FR_UTF8. (Makefile.am): Arrange to compile test-strtold1.c and run test-strtold1.sh.

#!/bin/sh

: ${LOCALE_FR=fr_FR}
: ${LOCALE_FR_UTF8=fr_FR.UTF-8}

if test $LOCALE_FR = none && test $LOCALE_FR_UTF8 = none; then
  if test -f /usr/bin/localedef; then
    echo "Skipping test: no locale for testing is installed"
  else
    echo "Skipping test: no locale for testing is supported"
  fi
  exit 77
fi

if test $LOCALE_FR != none; then
  LC_ALL=$LOCALE_FR      ./test-strtold1${EXEEXT} || exit 1
fi

if test $LOCALE_FR_UTF8 != none; then
  LC_ALL=$LOCALE_FR_UTF8 ./test-strtold1${EXEEXT} || exit 1
fi

exit 0