1 /*
2  * Copyright (c) 2010 Corinna Vinschen <corinna@vinschen.de>
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #include "setlocale.h"
27 
28 #define LCCTYPE_SIZE (sizeof(struct lc_ctype_T) / sizeof(char *))
29 
30 static char	numone[] = { '\1', '\0'};
31 
32 const struct lc_ctype_T _C_ctype_locale = {
33 	"ASCII",			/* codeset */
34 	numone				/* mb_cur_max */
35 #ifdef __HAVE_LOCALE_INFO_EXTENDED__
36 	,
37 	{ "0", "1", "2", "3", "4",	/* outdigits */
38 	  "5", "6", "7", "8", "9" },
39 	{ L"0", L"1", L"2", L"3", L"4",	/* woutdigits */
40 	  L"5", L"6", L"7", L"8", L"9" }
41 #endif
42 };
43 
44 #ifdef __CYGWIN__
45 static char	numsix[] = { '\6', '\0'};
46 
47 const struct lc_ctype_T _C_utf8_ctype_locale = {
48 	"UTF-8",			/* codeset */
49 	numsix				/* mb_cur_max */
50 #ifdef __HAVE_LOCALE_INFO_EXTENDED__
51 	,
52 	{ "0", "1", "2", "3", "4",	/* outdigits */
53 	  "5", "6", "7", "8", "9" },
54 	{ L"0", L"1", L"2", L"3", L"4",	/* woutdigits */
55 	  L"5", L"6", L"7", L"8", L"9" }
56 #endif
57 };
58 
59 /* NULL locale indicates global locale (called from setlocale) */
60 int
__ctype_load_locale(struct __locale_t * locale,const char * name,void * f_wctomb,const char * charset,int mb_cur_max)61 __ctype_load_locale (struct __locale_t *locale, const char *name,
62 		     void *f_wctomb, const char *charset, int mb_cur_max)
63 {
64   int ret;
65   struct lc_ctype_T ct;
66   char *bufp = NULL;
67 
68   extern int __set_lc_ctype_from_win (const char *, const struct lc_ctype_T *,
69 				      struct lc_ctype_T *, char **, void *,
70 				      const char *, int);
71   ret = __set_lc_ctype_from_win (name, &_C_ctype_locale, &ct, &bufp,
72 				 f_wctomb, charset, mb_cur_max);
73   /* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
74   if (ret >= 0)
75     {
76       struct lc_ctype_T *ctp = NULL;
77 
78       if (ret > 0)
79 	{
80 	  ctp = (struct lc_ctype_T *) calloc (1, sizeof *ctp);
81 	  if (!ctp)
82 	    {
83 	      free (bufp);
84 	      return -1;
85 	    }
86 	  *ctp = ct;
87 	}
88       struct __lc_cats tmp = locale->lc_cat[LC_CTYPE];
89       locale->lc_cat[LC_CTYPE].ptr = ret == 0 ? &_C_ctype_locale : ctp;
90       locale->lc_cat[LC_CTYPE].buf = bufp;
91       /* If buf is not NULL, both pointers have been alloc'ed */
92       if (tmp.buf)
93 	{
94 	  free ((void *) tmp.ptr);
95 	  free (tmp.buf);
96 	}
97       ret = 0;
98     }
99   return ret;
100 }
101 #endif
102