4 #include "locale_impl.h"
8 static char buf[LC_ALL*(LOCALE_NAME_MAX+1)];
10 static char *setlocale_one_unlocked(int cat, const char *name)
12 const struct __locale_map *lm;
14 if (name) libc.global_locale.cat[cat] = lm = __get_locale(cat, name);
15 else lm = libc.global_locale.cat[cat];
17 return lm ? (char *)lm->name : "C";
20 char *__strchrnul(const char *, int);
22 char *setlocale(int cat, const char *name)
24 static volatile int lock[2];
26 if ((unsigned)cat > LC_ALL) return 0;
30 /* For LC_ALL, setlocale is required to return a string which
31 * encodes the current setting for all categories. The format of
32 * this string is unspecified, and only the following code, which
33 * performs both the serialization and deserialization, depends
34 * on the format, so it can easily be changed if needed. */
38 char part[LOCALE_NAME_MAX+1] = "C.UTF-8";
40 for (i=0; i<LC_ALL; i++) {
41 const char *z = __strchrnul(p, ';');
42 if (z-p <= LOCALE_NAME_MAX) {
47 setlocale_one_unlocked(i, part);
53 for (i=0; i<LC_ALL; i++) {
54 const struct __locale_map *lm =
55 libc.global_locale.cat[i];
56 if (lm == libc.global_locale.cat[0]) same++;
57 part = lm ? lm->name : "C";
58 size_t l = strlen(part);
65 return same==LC_ALL ? (char *)part : buf;
68 char *ret = setlocale_one_unlocked(cat, name);