nls_cp850.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_cp850.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_cp850 (void)
static void __exit	exit_nls_cp850 (void)

Variables
static wchar_t	charset2uni [256]
static unsigned char	page00 [256]
static unsigned char	page01 [256]
static unsigned char	page20 [256]
static unsigned char	page25 [256]
static unsigned char *	page_uni2charset [256]
static unsigned char	charset2lower [256]
static unsigned char	charset2upper [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 286 of file nls_cp850.c.

{
    *uni = charset2uni[*rawstring];
    if (*uni == 0x0000)
        return -EINVAL;
    return 1;
}

exit_nls_cp850()

static void __exit exit_nls_cp850 ( void  )

static

Definition at line 309 of file nls_cp850.c.

{
    unregister_nls(&table);
}

Referenced by Ext2UnloadAllNls().

init_nls_cp850()

static int __init init_nls_cp850 ( void  )

static

Definition at line 304 of file nls_cp850.c.

{
    return register_nls(&table);
}

Referenced by Ext2LoadAllNls().

uni2char()

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

static

Definition at line 269 of file nls_cp850.c.

{
    unsigned char *uni2charset;
    unsigned char cl = uni & 0x00ff;
    unsigned char ch = (uni & 0xff00) >> 8;
 
    if (boundlen <= 0)
        return -ENAMETOOLONG;
 
    uni2charset = page_uni2charset[ch];
    if (uni2charset && uni2charset[cl])
        out[0] = uni2charset[cl];
    else
        return -EINVAL;
    return 1;
}

Variable Documentation

charset2lower

unsigned char charset2lower[256]

static

Definition at line 197 of file nls_cp850.c.

charset2uni

wchar_t charset2uni[256]

static

Definition at line 16 of file nls_cp850.c.

Referenced by char2uni().

charset2upper

unsigned char charset2upper[256]

static

Definition at line 233 of file nls_cp850.c.

page00

unsigned char page00[256]

static

Definition at line 99 of file nls_cp850.c.

page01

unsigned char page01[256]

static

Initial value:

= {
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0xd5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x9f, 0x00, 0x00, 0x00, 0x00, 0x00, 
}

Definition at line 135 of file nls_cp850.c.

page20

unsigned char page20[256]

static

Initial value:

= {
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 
}

Definition at line 158 of file nls_cp850.c.

page25

unsigned char page25[256]

static

Initial value:

= {
    0xc4, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0xda, 0x00, 0x00, 0x00, 
    0xbf, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 
    0xd9, 0x00, 0x00, 0x00, 0xc3, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0xc2, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0xc1, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0xc5, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0xcd, 0xba, 0x00, 0x00, 0xc9, 0x00, 0x00, 0xbb, 
    0x00, 0x00, 0xc8, 0x00, 0x00, 0xbc, 0x00, 0x00, 
    0xcc, 0x00, 0x00, 0xb9, 0x00, 0x00, 0xcb, 0x00, 
    0x00, 0xca, 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
 
    0xdf, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, 
    0xdb, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0xb0, 0xb1, 0xb2, 0x00, 0x00, 0x00, 0x00, 
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
    0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
}

Definition at line 164 of file nls_cp850.c.

page_uni2charset

unsigned char* page_uni2charset[256]

static

Initial value:

= {
    page00, page01, NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
    NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
    NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
    NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,   NULL,
    page20, NULL,   NULL,   NULL,   NULL,   page25, NULL,   NULL,
}

Definition at line 189 of file nls_cp850.c.

Referenced by uni2char().

table

struct nls_table table

static

Initial value:

= {
     "cp850",
       0,
     uni2char,
     char2uni,
     charset2lower,
     charset2upper,
     THIS_MODULE,
}

Definition at line 294 of file nls_cp850.c.