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 *setlocale(int cat
, const char *name
)
22 static volatile int lock
[1];
24 if ((unsigned)cat
> LC_ALL
) return 0;
28 /* For LC_ALL, setlocale is required to return a string which
29 * encodes the current setting for all categories. The format of
30 * this string is unspecified, and only the following code, which
31 * performs both the serialization and deserialization, depends
32 * on the format, so it can easily be changed if needed. */
36 char part
[LOCALE_NAME_MAX
+1] = "C.UTF-8";
38 for (i
=0; i
<LC_ALL
; i
++) {
39 const char *z
= __strchrnul(p
, ';');
40 if (z
-p
<= LOCALE_NAME_MAX
) {
45 setlocale_one_unlocked(i
, part
);
51 for (i
=0; i
<LC_ALL
; i
++) {
52 const struct __locale_map
*lm
=
53 libc
.global_locale
.cat
[i
];
54 if (lm
== libc
.global_locale
.cat
[0]) same
++;
55 part
= lm
? lm
->name
: "C";
56 size_t l
= strlen(part
);
63 return same
==LC_ALL
? (char *)part
: buf
;
66 char *ret
= setlocale_one_unlocked(cat
, name
);