1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/* setlocale.c
* Load LC_CTYPE locale only special for uclibc
*
* Written by Vladimir Oleynik (c) vodz@usa.net
*
* This file is part of the uClibc C library and is distributed
* under the GNU Library General Public License.
* used ideas is part of the GNU C Library.
*/
/*
* No-locale-support setlocale() added.
*/
#include <locale.h>
#include <stdio.h> /* NULL, fopen */
#include <stdlib.h> /* malloc */
#include <string.h>
#include <limits.h> /* PATH_MAX */
#include "../ctype/ctype.h"
#undef TEST_LOCALE
#ifdef __UCLIBC_HAS_LOCALE__
static char C_LOCALE_NAME[]="C";
#ifdef TEST_LOCALE
static const char PATH_LOCALE[]="./";
#else
static const char PATH_LOCALE[]=__UCLIBC_LOCALE_DIR;
#endif
static const char LC_CTYPE_STR[]="/LC_CTYPE";
struct SAV_LOADED_LOCALE {
char *locale;
const unsigned char *buf;
struct SAV_LOADED_LOCALE *next;
};
static struct SAV_LOADED_LOCALE sav_loaded_locale [1] = {
{ C_LOCALE_NAME, _uc_ctype_b_C, 0 }
};
static struct SAV_LOADED_LOCALE * old_locale = sav_loaded_locale;
static char *set_new_locale(struct SAV_LOADED_LOCALE * s_locale)
{
_uc_ctype_b = s_locale->buf;
_uc_ctype_trans = s_locale->buf+LOCALE_BUF_SIZE/2;
old_locale = s_locale;
return s_locale->locale;
}
/* Current support only LC_CTYPE or LC_ALL category */
char *setlocale(int category, const char *locale)
{
FILE * fl;
struct SAV_LOADED_LOCALE *cur;
struct SAV_LOADED_LOCALE *bottom;
char full_path[PATH_MAX];
char * buf = 0;
int l;
if(category!=LC_CTYPE && category!=LC_ALL)
return NULL;
if(locale==0)
return set_new_locale(old_locale);
if(strcmp(locale, "POSIX")==0)
return set_new_locale(sav_loaded_locale);
else if(*locale == '\0') {
locale = getenv(LC_CTYPE_STR+1);
if(locale == 0 || *locale == 0)
locale = getenv("LANG");
if(locale == 0 || *locale == '\0')
return set_new_locale(old_locale);
if(strcmp(locale, "POSIX")==0)
return set_new_locale(sav_loaded_locale);
}
for(cur = sav_loaded_locale; cur; cur = cur->next)
if(strcmp(cur->locale, locale)==0)
return set_new_locale(cur);
l = strlen(locale);
if((l+sizeof(PATH_LOCALE)+sizeof(LC_CTYPE_STR))>=PATH_MAX)
return NULL;
strcpy(full_path, PATH_LOCALE);
strcat(full_path, locale);
strcat(full_path, LC_CTYPE_STR);
fl = fopen(full_path, "r");
if(fl==0)
return NULL;
cur = malloc(sizeof(struct SAV_LOADED_LOCALE)+LOCALE_BUF_SIZE+l);
if(cur) {
buf = (char *)(cur+1);
if(fread(buf, 1, LOCALE_BUF_SIZE+1, fl)!=(LOCALE_BUF_SIZE)) {
/* broken locale file */
free(cur);
buf = 0;
#ifdef TEST_LOCALE
fprintf(stderr, "\nbroken locale file\n");
#endif
}
}
fclose(fl);
if(cur==0) /* not enough memory */
return NULL;
if(buf==0) /* broken locale file, set to "C" */
return set_new_locale(sav_loaded_locale);
cur->next = 0;
strcpy(buf+LOCALE_BUF_SIZE, locale);
bottom = sav_loaded_locale;
while(bottom->next!=0)
bottom = bottom->next;
bottom->next = cur;
/* next two line only pedantic */
cur->buf = buf;
cur->locale = buf+LOCALE_BUF_SIZE;
return set_new_locale(cur);
}
#else /* no locale support */
char *setlocale(int category, const char *locale)
{
/* Allow locales "C" and "" (native). Both are "C" for our purposes. */
if (locale) {
if (*locale == 'C') {
++locale;
}
if (*locale) { /* locale wasn't "C" or ""!! */
return NULL;
}
}
/* Allow any legal category for "C" or "" (native) locale. */
if((category < LC_CTYPE) || (category > LC_ALL)) { /* Illegal category! */
return NULL;
}
return "C";
}
#endif
|
