nls_utf8.c File Reference

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/nls.h>
#include <linux/errno.h>

Include dependency graph for nls_utf8.c:

Go to the source code of this file.

Functions
static int	uni2char (wchar_t uni, unsigned char *out, int boundlen)
static int	char2uni (const unsigned char *rawstring, int boundlen, wchar_t *uni)
static int __init	init_nls_utf8 (void)
static void __exit	exit_nls_utf8 (void)

Variables
static unsigned char	identity [256]
static struct nls_table	table

Function Documentation

char2uni()

static int char2uni ( const unsigned char *  rawstring, int  boundlen, wchar_t *  uni  )

static

Definition at line 25 of file nls_utf8.c.

{
    int n;
 
    if ( (n = utf8_mbtowc(uni, rawstring, boundlen)) == -1) {
        *uni = 0x003f;  /* ? */
        n = -EINVAL;
    }
    return n;
}

exit_nls_utf8()

static void __exit exit_nls_utf8 ( void  )

static

Definition at line 55 of file nls_utf8.c.

{
    unregister_nls(&table);
}

Referenced by Ext2UnloadAllNls().

init_nls_utf8()

static int __init init_nls_utf8 ( void  )

static

Definition at line 46 of file nls_utf8.c.

{
    int i;
    for (i=0; i<256; i++)
        identity[i] = (unsigned char) i;
 
    return register_nls(&table);
}

Referenced by Ext2LoadAllNls().

uni2char()

static int uni2char ( wchar_t  uni, unsigned char *  out, int  boundlen  )

static

Definition at line 14 of file nls_utf8.c.

{
    int n;
 
    if ( (n = utf8_wctomb(out, uni, boundlen)) == -1) {
        *out = '?';
        return -EINVAL;
    }
    return n;
}

Variable Documentation

identity

unsigned char identity[256]

static

Definition at line 12 of file nls_utf8.c.

table

struct nls_table table

static

Initial value:

= {
     "utf8",
       0,
     uni2char,
     char2uni,
     identity,  
     identity,
     THIS_MODULE,
}

Definition at line 36 of file nls_utf8.c.