ReactOS  0.4.14-dev-114-gc8cbd56
nls_utf8.c
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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  /* .alias */ 0,
39  /* .uni2char */ uni2char,
40  /* .char2uni */ char2uni,
41  /* .charset2lower */ identity, /* no conversion */
42  /* .charset2upper */ identity,
43  /* .owner */ THIS_MODULE,
44 };
45 
46 static int __init init_nls_utf8(void)
47 {
48  int i;
49  for (i=0; i<256; i++)
50  identity[i] = (unsigned char) i;
51 
52  return register_nls(&table);
53 }
54 
55 static void __exit exit_nls_utf8(void)
56 {
58 }
59 
62 MODULE_LICENSE("Dual BSD/GPL");
int unregister_nls(struct nls_table *)
Definition: nls_base.c:185
Definition: arc.h:39
GLdouble n
Definition: glext.h:7729
#define THIS_MODULE
Definition: module.h:267
static int uni2char(wchar_t uni, unsigned char *out, int boundlen)
Definition: nls_utf8.c:14
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
static int char2uni(const unsigned char *rawstring, int boundlen, wchar_t *uni)
Definition: nls_utf8.c:25
static unsigned char identity[256]
Definition: nls_utf8.c:12
static FILE * out
Definition: regtests2xml.c:44
module_exit(journal_exit)
static int __init init_nls_utf8(void)
Definition: nls_utf8.c:46
int register_nls(struct nls_table *)
Definition: nls_base.c:162
#define __init
Definition: compat.h:3
#define __exit
Definition: module.h:265
int utf8_mbtowc(wchar_t *, const __u8 *, int)
Definition: nls_base.c:49
module_init(journal_init)
static void __exit exit_nls_utf8(void)
Definition: nls_utf8.c:55
#define MODULE_LICENSE(x)
Definition: module.h:268
int utf8_wctomb(__u8 *, wchar_t, int)
Definition: nls_base.c:108