[MIPS] IP27: intr_sconnect_level: don't disable interrupts.
[linux-2.6] / fs / nls / nls_utf8.c
1 /*
2  * Module for handling utf8 just like any other charset.
3  * By Urban Widmark 2000
4  */
5
6 #include <linux/module.h>
7 #include <linux/kernel.h>
8 #include <linux/string.h>
9 #include <linux/nls.h>
10 #include <linux/errno.h>
11
12 static unsigned char identity[256];
13
14 static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
15 {
16         int n;
17
18         if ( (n = utf8_wctomb(out, uni, boundlen)) == -1) {
19                 *out = '?';
20                 return -EINVAL;
21         }
22         return n;
23 }
24
25 static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
26 {
27         int n;
28
29         if ( (n = utf8_mbtowc(uni, rawstring, boundlen)) == -1) {
30                 *uni = 0x003f;  /* ? */
31                 n = -EINVAL;
32         }
33         return n;
34 }
35
36 static struct nls_table table = {
37         .charset        = "utf8",
38         .uni2char       = uni2char,
39         .char2uni       = char2uni,
40         .charset2lower  = identity,     /* no conversion */
41         .charset2upper  = identity,
42         .owner          = THIS_MODULE,
43 };
44
45 static int __init init_nls_utf8(void)
46 {
47         int i;
48         for (i=0; i<256; i++)
49                 identity[i] = i;
50
51         return register_nls(&table);
52 }
53
54 static void __exit exit_nls_utf8(void)
55 {
56         unregister_nls(&table);
57 }
58
59 module_init(init_nls_utf8)
60 module_exit(exit_nls_utf8)
61 MODULE_LICENSE("Dual BSD/GPL");