1 /* $NetBSD: src/lib/libc/nls/catgets.c,v 1.15 1999/08/17 04:00:51 mycroft Exp $ */
2 /* $DragonFly: src/lib/libc/nls/catgets.c,v 1.1 2005/03/16 06:54:41 joerg Exp $ */
5 * Copyright (c) 1996 The NetBSD Foundation, Inc.
8 * This code is derived from software contributed to The NetBSD Foundation
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
42 #include <sys/types.h>
48 __weak_reference(_catgets, catgets);
51 _catgets(nl_catd catd, int set_id, int msg_id, const char *s)
53 struct _nls_cat_hdr *cat_hdr;
54 struct _nls_set_hdr *set_hdr;
55 struct _nls_msg_hdr *msg_hdr;
58 if (catd == (nl_catd)(-1)) {
60 /* LINTED interface problem */
64 cat_hdr = (struct _nls_cat_hdr *)catd->__data;
65 set_hdr = (struct _nls_set_hdr *)(void *)((char *)catd->__data
66 + sizeof(struct _nls_cat_hdr));
68 /* binary search, see knuth algorithm b */
70 u = ntohl((uint32_t)cat_hdr->__nsets) - 1;
73 r = set_id - ntohl((uint32_t)set_hdr[i].__setno);
76 msg_hdr = (struct _nls_msg_hdr *)
77 (void *)((char *)catd->__data +
78 sizeof(struct _nls_cat_hdr) +
79 ntohl((uint32_t)cat_hdr->__msg_hdr_offset));
81 l = ntohl((uint32_t)set_hdr[i].__index);
82 u = l + ntohl((uint32_t)set_hdr[i].__nmsgs) - 1;
86 ntohl((uint32_t)msg_hdr[i].__msgno);
88 return((char *) catd->__data +
89 sizeof(struct _nls_cat_hdr) +
91 cat_hdr->__msg_txt_offset) +
93 msg_hdr[i].__offset));
114 /* LINTED interface problem */