]>
git.saurik.com Git - apple/libc.git/blob - locale/FreeBSD/ldpart.c
2 * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: src/lib/libc/locale/ldpart.c,v 1.15 2004/04/25 19:56:50 ache Exp $");
30 #include "namespace.h"
31 #include <sys/types.h>
40 #include "un-namespace.h"
43 #include "setlocale.h"
45 static int split_lines(char *, const char *);
48 __part_load_locale(const char *name
,
51 const char *category_filename
,
52 int locale_buf_size_max
,
53 int locale_buf_size_min
,
54 const char **dst_localebuf
)
56 int saverr
, fd
, i
, num_lines
;
59 char filename
[PATH_MAX
];
61 size_t namesize
, bufsize
;
63 /* 'name' must be already checked. */
64 if (strcmp(name
, "C") == 0 || strcmp(name
, "POSIX") == 0) {
70 * If the locale name is the same as our cache, use the cache.
72 if (*locale_buf
!= NULL
&& strcmp(name
, *locale_buf
) == 0) {
78 * Slurp the locale file into the cache.
80 namesize
= strlen(name
) + 1;
82 /* 'PathLocale' must be already set & checked. */
84 /* Range checking not needed, 'name' size is limited */
85 strcpy(filename
, _PathLocale
);
86 strcat(filename
, "/");
87 strcat(filename
, name
);
88 strcat(filename
, "/");
89 strcat(filename
, category_filename
);
90 if ((fd
= _open(filename
, O_RDONLY
)) < 0)
92 if (_fstat(fd
, &st
) != 0)
94 if (st
.st_size
<= 0) {
98 bufsize
= namesize
+ st
.st_size
;
99 if ((lbuf
= malloc(bufsize
)) == NULL
) {
103 (void)strcpy(lbuf
, name
);
105 plim
= p
+ st
.st_size
;
106 if (_read(fd
, p
, (size_t) st
.st_size
) != st
.st_size
)
109 * Parse the locale file into localebuf.
111 if (plim
[-1] != '\n') {
115 num_lines
= split_lines(p
, plim
);
116 if (num_lines
>= locale_buf_size_max
)
117 num_lines
= locale_buf_size_max
;
118 else if (num_lines
>= locale_buf_size_min
)
119 num_lines
= locale_buf_size_min
;
126 * Record the successful parse in the cache.
128 if (*locale_buf
!= NULL
)
131 for (p
= *locale_buf
, i
= 0; i
< num_lines
; i
++)
132 dst_localebuf
[i
] = (p
+= strlen(p
) + 1);
133 for (i
= num_lines
; i
< locale_buf_size_max
; i
++)
134 dst_localebuf
[i
] = NULL
;
137 return (_LDP_LOADED
);
152 split_lines(char *p
, const char *plim
)