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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [stdlib/] [wctomb_r.c] - Blame information for rev 1765

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#include <stdlib.h>
#include <locale.h>
#include "mbctype.h"
 
int
_DEFUN (_wctomb_r, (r, s, wchar, state),
        struct _reent *r     _AND
        char          *s     _AND
        wchar_t        wchar _AND
        int           *state)
{
  if (strlen (r->_current_locale) <= 1)
    { /* fall-through */ }
  else if (!strcmp (r->_current_locale, "C-SJIS"))
    {
      unsigned char char2 = (unsigned char)wchar;
      unsigned char char1 = (unsigned char)(wchar >> 8);
 
      if (s == NULL)
        return 0;  /* not state-dependent */
 
      if (char1 != 0x00)
        {
        /* first byte is non-zero..validate multi-byte char */
          if (_issjis1(char1) && _issjis2(char2))
            {
              *s++ = (char)char1;
              *s = (char)char2;
              return 2;
            }
          else
            return -1;
        }
    }
  else if (!strcmp (r->_current_locale, "C-EUCJP"))
    {
      unsigned char char2 = (unsigned char)wchar;
      unsigned char char1 = (unsigned char)(wchar >> 8);
 
      if (s == NULL)
        return 0;  /* not state-dependent */
 
      if (char1 != 0x00)
        {
        /* first byte is non-zero..validate multi-byte char */
          if (_iseucjp (char1) && _iseucjp (char2))
            {
              *s++ = (char)char1;
              *s = (char)char2;
              return 2;
            }
          else
            return -1;
        }
    }
  else if (!strcmp (r->_current_locale, "C-JIS"))
    {
      int cnt = 0;
      unsigned char char2 = (unsigned char)wchar;
      unsigned char char1 = (unsigned char)(wchar >> 8);
 
      if (s == NULL)
        return 1;  /* state-dependent */
 
      if (char1 != 0x00)
        {
        /* first byte is non-zero..validate multi-byte char */
          if (_isjis (char1) && _isjis (char2))
            {
              if (*state == 0)
                {
                  /* must switch from ASCII to JIS state */
                  *state = 1;
                  *s++ = ESC_CHAR;
                  *s++ = '$';
                  *s++ = 'B';
                  cnt = 3;
                }
              *s++ = (char)char1;
              *s = (char)char2;
              return cnt + 2;
            }
          else
            return -1;
        }
      else
        {
          if (*state != 0)
            {
              /* must switch from JIS to ASCII state */
              *state = 0;
              *s++ = ESC_CHAR;
              *s++ = '(';
              *s++ = 'B';
              cnt = 3;
            }
          *s = (char)char2;
          return cnt + 1;
        }
    }
 
  if (s == NULL)
    return 0;
 
  /* otherwise we are dealing with a single byte character */
  *s = (char) wchar;
  return 1;
}
 
 

Line No.	Rev	Author	Line
1	39	lampret	`#include <stdlib.h>`
2			`#include <locale.h>`
3			`#include "mbctype.h"`
4
5			`int`
6			`_DEFUN (_wctomb_r, (r, s, wchar, state),`
7			`struct _reent *r _AND`
8			`char *s _AND`
9			`wchar_t wchar _AND`
10			`int *state)`
11			`{`
12			`if (strlen (r->_current_locale) <= 1)`
13			`{ /* fall-through */ }`
14			`else if (!strcmp (r->_current_locale, "C-SJIS"))`
15			`{`
16			`unsigned char char2 = (unsigned char)wchar;`
17			`unsigned char char1 = (unsigned char)(wchar >> 8);`
18
19			`if (s == NULL)`
20			`return 0; /* not state-dependent */`
21
22			`if (char1 != 0x00)`
23			`{`
24			`/* first byte is non-zero..validate multi-byte char */`
25			`if (_issjis1(char1) && _issjis2(char2))`
26			`{`
27			`*s++ = (char)char1;`
28			`*s = (char)char2;`
29			`return 2;`
30			`}`
31			`else`
32			`return -1;`
33			`}`
34			`}`
35			`else if (!strcmp (r->_current_locale, "C-EUCJP"))`
36			`{`
37			`unsigned char char2 = (unsigned char)wchar;`
38			`unsigned char char1 = (unsigned char)(wchar >> 8);`
39
40			`if (s == NULL)`
41			`return 0; /* not state-dependent */`
42
43			`if (char1 != 0x00)`
44			`{`
45			`/* first byte is non-zero..validate multi-byte char */`
46			`if (_iseucjp (char1) && _iseucjp (char2))`
47			`{`
48			`*s++ = (char)char1;`
49			`*s = (char)char2;`
50			`return 2;`
51			`}`
52			`else`
53			`return -1;`
54			`}`
55			`}`
56			`else if (!strcmp (r->_current_locale, "C-JIS"))`
57			`{`
58			`int cnt = 0;`
59			`unsigned char char2 = (unsigned char)wchar;`
60			`unsigned char char1 = (unsigned char)(wchar >> 8);`
61
62			`if (s == NULL)`
63			`return 1; /* state-dependent */`
64
65			`if (char1 != 0x00)`
66			`{`
67			`/* first byte is non-zero..validate multi-byte char */`
68			`if (_isjis (char1) && _isjis (char2))`
69			`{`
70			`if (*state == 0)`
71			`{`
72			`/* must switch from ASCII to JIS state */`
73			`*state = 1;`
74			`*s++ = ESC_CHAR;`
75			`*s++ = '$';`
76			`*s++ = 'B';`
77			`cnt = 3;`
78			`}`
79			`*s++ = (char)char1;`
80			`*s = (char)char2;`
81			`return cnt + 2;`
82			`}`
83			`else`
84			`return -1;`
85			`}`
86			`else`
87			`{`
88			`if (*state != 0)`
89			`{`
90			`/* must switch from JIS to ASCII state */`
91			`*state = 0;`
92			`*s++ = ESC_CHAR;`
93			`*s++ = '(';`
94			`*s++ = 'B';`
95			`cnt = 3;`
96			`}`
97			`*s = (char)char2;`
98			`return cnt + 1;`
99			`}`
100			`}`
101
102			`if (s == NULL)`
103			`return 0;`
104
105			`/* otherwise we are dealing with a single byte character */`
106			`*s = (char) wchar;`
107			`return 1;`
108			`}`
109
110

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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [stdlib/] [wctomb_r.c] - Blame information for rev 1765