-# if defined __GLIBC__ && __GLIBC__ >= 2
- if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0)
- hard = 0;
-# else
- char *locale = alloca (strlen (p) + 1);
- strcpy (locale, p);
-
- /* 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 = 0;
+ 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;