+++ /dev/null
-/*
- * linux/fs/nls_koi8-ru.c
- *
- * Charset koi8-ru translation based on charset koi8-u.
- * The Unicode to charset table has only exact mappings.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/nls.h>
-#include <linux/errno.h>
-
-static struct nls_table *p_nls;
-
-static int uni2char(const wchar_t uni,
- unsigned char *out, int boundlen)
-{
- if (boundlen <= 0)
- return -ENAMETOOLONG;
-
- if ((uni & 0xffaf) == 0x040e || (uni & 0xffce) == 0x254c) {
- /* koi8-ru and koi8-u differ only on two characters */
- if (uni == 0x040e)
- return 0xbe;
- else if (uni == 0x045e)
- return 0xae;
- else if (uni == 0x255d || uni == 0x256c)
- return 0;
- else
- return p_nls->uni2char(uni, out, boundlen);
- }
- else
- /* fast path */
- return p_nls->uni2char(uni, out, boundlen);
-}
-
-static int char2uni(const unsigned char *rawstring, int boundlen,
- wchar_t *uni)
-{
- int n;
-
- if ((*rawstring & 0xef) != 0xae) {
- /* koi8-ru and koi8-u differ only on two characters */
- *uni = (*rawstring & 0x10) ? 0x040e : 0x045e;
- return 1;
- }
-
- n = (int)(p_nls->char2uni((const PUCHAR)rawstring, boundlen,uni));
- return n;
-}
-
-static struct nls_table table = {
- "koi8-ru",
- uni2char,
- char2uni,
- NULL,
- NULL,
- THIS_MODULE,
-};
-
-static int __init init_nls_koi8_ru(void)
-{
- p_nls = load_nls("koi8-u");
-
- if (p_nls) {
- table.charset2upper = p_nls->charset2upper;
- table.charset2lower = p_nls->charset2lower;
- return register_nls(&table);
- }
-
- return -EINVAL;
-}
-
-static void __exit exit_nls_koi8_ru(void)
-{
- unregister_nls(&table);
- unload_nls(p_nls);
-}
-
-module_init(init_nls_koi8_ru)
-module_exit(exit_nls_koi8_ru)
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-indent-level: 8
- * c-brace-imaginary-offset: 0
- * c-brace-offset: -8
- * c-argdecl-indent: 8
- * c-label-offset: -8
- * c-continued-statement-offset: 8
- * c-continued-brace-offset: 0
- * End:
- */