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
26 * $FreeBSD: src/lib/libc/locale/ldpart.c,v 1.7.2.3 2002/08/12 11:17:37 ache Exp $
27 * $DragonFly: src/lib/libcr/locale/Attic/ldpart.c,v 1.2 2003/06/17 04:26:44 dillon Exp $
30 #include <sys/types.h>
32 #include <sys/syslimits.h>
39 #include "setlocale.h"
42 static int split_lines(char *, const char *);
45 __part_load_locale(const char *name,
48 const char *category_filename,
49 int locale_buf_size_max,
50 int locale_buf_size_min,
51 const char **dst_localebuf)
53 int saverr, fd, i, num_lines;
56 char filename[PATH_MAX];
58 size_t namesize, bufsize;
60 /* 'name' must be already checked. */
61 if (strcmp(name, "C") == 0 || strcmp(name, "POSIX") == 0) {
67 * If the locale name is the same as our cache, use the cache.
69 if (locale_buf != NULL && strcmp(name, locale_buf) == 0) {
75 * Slurp the locale file into the cache.
77 namesize = strlen(name) + 1;
79 /* 'PathLocale' must be already set & checked. */
80 /* Range checking not needed, 'name' size is limited */
81 strcpy(filename, _PathLocale);
82 strcat(filename, "/");
83 strcat(filename, name);
84 strcat(filename, "/");
85 strcat(filename, category_filename);
86 if ((fd = _open(filename, O_RDONLY)) < 0)
88 if (_fstat(fd, &st) != 0)
90 if (st.st_size <= 0) {
94 bufsize = namesize + st.st_size;
95 if ((lbuf = malloc(bufsize)) == NULL) {
99 (void)strcpy(lbuf, name);
101 plim = p + st.st_size;
102 if (_read(fd, p, (size_t) st.st_size) != st.st_size)
105 * Parse the locale file into localebuf.
107 if (plim[-1] != '\n') {
111 num_lines = split_lines(p, plim);
112 if (num_lines >= locale_buf_size_max)
113 num_lines = locale_buf_size_max;
114 else if (num_lines >= locale_buf_size_min)
115 num_lines = locale_buf_size_min;
122 * Record the successful parse in the cache.
124 if (locale_buf != NULL)
127 for (p = locale_buf, i = 0; i < num_lines; i++)
128 dst_localebuf[i] = (p += strlen(p) + 1);
129 for (i = num_lines; i < locale_buf_size_max; i++)
130 dst_localebuf[i] = NULL;
133 return (_LDP_LOADED);
148 split_lines(char *p, const char *plim)
152 for (i = 0; p < plim; i++) {