diff options
Diffstat (limited to 'lib/hard-locale.c')
| -rw-r--r-- | lib/hard-locale.c | 47 |
1 files changed, 5 insertions, 42 deletions
diff --git a/lib/hard-locale.c b/lib/hard-locale.c index 49bc6ca..730e9be 100644 --- a/lib/hard-locale.c +++ b/lib/hard-locale.c @@ -1,6 +1,6 @@ /* hard-locale.c -- Determine whether a locale is hard. - Copyright (C) 1997-1999, 2002-2004, 2006-2007, 2009-2018 Free Software + Copyright (C) 1997-1999, 2002-2004, 2006-2007, 2009-2020 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify @@ -21,52 +21,15 @@ #include "hard-locale.h" #include <locale.h> -#include <stdlib.h> #include <string.h> -#ifdef __GLIBC__ -# define GLIBC_VERSION __GLIBC__ -#elif defined __UCLIBC__ -# define GLIBC_VERSION 2 -#else -# define GLIBC_VERSION 0 -#endif - -/* Return true if the current CATEGORY locale is hard, i.e. if you - can't get away with assuming traditional C or POSIX behavior. */ bool hard_locale (int category) { - bool hard = true; - char const *p = setlocale (category, NULL); - - if (p) - { - if (2 <= GLIBC_VERSION) - { - if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0) - hard = false; - } - else - { - char *locale = strdup (p); - if (locale) - { - /* Temporarily set the locale to the "C" and "POSIX" locales - to find their names, so that we can determine whether one - or the other is the caller's locale. */ - if (((p = setlocale (category, "C")) - && strcmp (p, locale) == 0) - || ((p = setlocale (category, "POSIX")) - && strcmp (p, locale) == 0)) - hard = false; + char locale[SETLOCALE_NULL_MAX]; - /* Restore the caller's locale. */ - setlocale (category, locale); - free (locale); - } - } - } + if (setlocale_null_r (category, locale, sizeof (locale))) + return false; - return hard; + return !(strcmp (locale, "C") == 0 || strcmp (locale, "POSIX") == 0); } |