1/*-
2 * Copyright (c) 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Paul Borman at Krystal Technologies.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#include <sys/cdefs.h>
|
38__FBSDID("$FreeBSD: head/lib/libc/locale/setrunelocale.c 101566 2002-08-09 08:22:29Z ache $");
| 38__FBSDID("$FreeBSD: head/lib/libc/locale/setrunelocale.c 104828 2002-10-10 22:56:18Z tjr $");
|
39
40#include <rune.h>
41#include <errno.h>
42#include <limits.h>
43#include <string.h>
44#include <stdio.h>
45#include <stdlib.h>
46#include <unistd.h>
47#include "setlocale.h"
48
49extern int _none_init(_RuneLocale *);
50extern int _UTF2_init(_RuneLocale *);
| 39
40#include <rune.h>
41#include <errno.h>
42#include <limits.h>
43#include <string.h>
44#include <stdio.h>
45#include <stdlib.h>
46#include <unistd.h>
47#include "setlocale.h"
48
49extern int _none_init(_RuneLocale *);
50extern int _UTF2_init(_RuneLocale *);
|
| 51extern int _UTF8_init(_RuneLocale *);
|
51extern int _EUC_init(_RuneLocale *);
52extern int _BIG5_init(_RuneLocale *);
53extern int _MSKanji_init(_RuneLocale *);
54extern _RuneLocale *_Read_RuneMagi(FILE *);
55
56int
57setrunelocale(char *encoding)
58{
59 FILE *fp;
60 char name[PATH_MAX];
61 _RuneLocale *rl;
62 int saverr, ret;
63 static char ctype_encoding[ENCODING_LEN + 1];
64 static _RuneLocale *CachedRuneLocale;
65 static int Cached__mb_cur_max;
66
67 if (!encoding || !*encoding || strlen(encoding) > ENCODING_LEN ||
68 (encoding[0] == '.' &&
69 (encoding[1] == '\0' ||
70 (encoding[1] == '.' && encoding[2] == '\0'))) ||
71 strchr(encoding, '/') != NULL)
72 return (EINVAL);
73
74 /*
75 * The "C" and "POSIX" locale are always here.
76 */
77 if (strcmp(encoding, "C") == 0 || strcmp(encoding, "POSIX") == 0) {
78 _CurrentRuneLocale = &_DefaultRuneLocale;
79 __mb_cur_max = 1;
80 return (0);
81 }
82
83 /*
84 * If the locale name is the same as our cache, use the cache.
85 */
86 if (CachedRuneLocale != NULL &&
87 strcmp(encoding, ctype_encoding) == 0) {
88 _CurrentRuneLocale = CachedRuneLocale;
89 __mb_cur_max = Cached__mb_cur_max;
90 return (0);
91 }
92
93 /*
94 * Slurp the locale file into the cache.
95 */
96 if (_PathLocale == NULL) {
97 char *p = getenv("PATH_LOCALE");
98
99 if (p != NULL
100#ifndef __NETBSD_SYSCALLS
101 && !issetugid()
102#endif
103 ) {
104 if (strlen(p) + 1/*"/"*/ + ENCODING_LEN +
105 1/*"/"*/ + CATEGORY_LEN >= PATH_MAX)
106 return (ENAMETOOLONG);
107 _PathLocale = strdup(p);
108 if (_PathLocale == NULL)
109 return (errno == 0 ? ENOMEM : errno);
110 } else
111 _PathLocale = _PATH_LOCALE;
112 }
113 /* Range checking not needed, encoding length already checked above */
114 (void) strcpy(name, _PathLocale);
115 (void) strcat(name, "/");
116 (void) strcat(name, encoding);
117 (void) strcat(name, "/LC_CTYPE");
118
119 if ((fp = fopen(name, "r")) == NULL)
120 return (errno == 0 ? ENOENT : errno);
121
122 if ((rl = _Read_RuneMagi(fp)) == NULL) {
123 saverr = (errno == 0 ? EFTYPE : errno);
124 (void)fclose(fp);
125 return (saverr);
126 }
127 (void)fclose(fp);
128
129 if (strcmp(rl->encoding, "NONE") == 0)
130 ret = _none_init(rl);
131 else if (strcmp(rl->encoding, "UTF2") == 0)
132 ret = _UTF2_init(rl);
| 52extern int _EUC_init(_RuneLocale *);
53extern int _BIG5_init(_RuneLocale *);
54extern int _MSKanji_init(_RuneLocale *);
55extern _RuneLocale *_Read_RuneMagi(FILE *);
56
57int
58setrunelocale(char *encoding)
59{
60 FILE *fp;
61 char name[PATH_MAX];
62 _RuneLocale *rl;
63 int saverr, ret;
64 static char ctype_encoding[ENCODING_LEN + 1];
65 static _RuneLocale *CachedRuneLocale;
66 static int Cached__mb_cur_max;
67
68 if (!encoding || !*encoding || strlen(encoding) > ENCODING_LEN ||
69 (encoding[0] == '.' &&
70 (encoding[1] == '\0' ||
71 (encoding[1] == '.' && encoding[2] == '\0'))) ||
72 strchr(encoding, '/') != NULL)
73 return (EINVAL);
74
75 /*
76 * The "C" and "POSIX" locale are always here.
77 */
78 if (strcmp(encoding, "C") == 0 || strcmp(encoding, "POSIX") == 0) {
79 _CurrentRuneLocale = &_DefaultRuneLocale;
80 __mb_cur_max = 1;
81 return (0);
82 }
83
84 /*
85 * If the locale name is the same as our cache, use the cache.
86 */
87 if (CachedRuneLocale != NULL &&
88 strcmp(encoding, ctype_encoding) == 0) {
89 _CurrentRuneLocale = CachedRuneLocale;
90 __mb_cur_max = Cached__mb_cur_max;
91 return (0);
92 }
93
94 /*
95 * Slurp the locale file into the cache.
96 */
97 if (_PathLocale == NULL) {
98 char *p = getenv("PATH_LOCALE");
99
100 if (p != NULL
101#ifndef __NETBSD_SYSCALLS
102 && !issetugid()
103#endif
104 ) {
105 if (strlen(p) + 1/*"/"*/ + ENCODING_LEN +
106 1/*"/"*/ + CATEGORY_LEN >= PATH_MAX)
107 return (ENAMETOOLONG);
108 _PathLocale = strdup(p);
109 if (_PathLocale == NULL)
110 return (errno == 0 ? ENOMEM : errno);
111 } else
112 _PathLocale = _PATH_LOCALE;
113 }
114 /* Range checking not needed, encoding length already checked above */
115 (void) strcpy(name, _PathLocale);
116 (void) strcat(name, "/");
117 (void) strcat(name, encoding);
118 (void) strcat(name, "/LC_CTYPE");
119
120 if ((fp = fopen(name, "r")) == NULL)
121 return (errno == 0 ? ENOENT : errno);
122
123 if ((rl = _Read_RuneMagi(fp)) == NULL) {
124 saverr = (errno == 0 ? EFTYPE : errno);
125 (void)fclose(fp);
126 return (saverr);
127 }
128 (void)fclose(fp);
129
130 if (strcmp(rl->encoding, "NONE") == 0)
131 ret = _none_init(rl);
132 else if (strcmp(rl->encoding, "UTF2") == 0)
133 ret = _UTF2_init(rl);
|
| 134 else if (strcmp(rl->encoding, "UTF-8") == 0)
135 ret = _UTF8_init(rl);
|
133 else if (strcmp(rl->encoding, "EUC") == 0)
134 ret = _EUC_init(rl);
135 else if (strcmp(rl->encoding, "BIG5") == 0)
136 ret = _BIG5_init(rl);
137 else if (strcmp(rl->encoding, "MSKanji") == 0)
138 ret = _MSKanji_init(rl);
139 else
140 ret = EFTYPE;
141 if (ret == 0) {
142 if (CachedRuneLocale != NULL) {
143 /* See euc.c */
144 if (strcmp(CachedRuneLocale->encoding, "EUC") == 0)
145 free(CachedRuneLocale->variable);
146 free(CachedRuneLocale);
147 }
148 CachedRuneLocale = _CurrentRuneLocale;
149 Cached__mb_cur_max = __mb_cur_max;
150 (void)strcpy(ctype_encoding, encoding);
151 } else
152 free(rl);
153
154 return (ret);
155}
156
| 136 else if (strcmp(rl->encoding, "EUC") == 0)
137 ret = _EUC_init(rl);
138 else if (strcmp(rl->encoding, "BIG5") == 0)
139 ret = _BIG5_init(rl);
140 else if (strcmp(rl->encoding, "MSKanji") == 0)
141 ret = _MSKanji_init(rl);
142 else
143 ret = EFTYPE;
144 if (ret == 0) {
145 if (CachedRuneLocale != NULL) {
146 /* See euc.c */
147 if (strcmp(CachedRuneLocale->encoding, "EUC") == 0)
148 free(CachedRuneLocale->variable);
149 free(CachedRuneLocale);
150 }
151 CachedRuneLocale = _CurrentRuneLocale;
152 Cached__mb_cur_max = __mb_cur_max;
153 (void)strcpy(ctype_encoding, encoding);
154 } else
155 free(rl);
156
157 return (ret);
158}
159
|