xref: /illumos-gate/usr/src/cmd/msgfmt/gnu_msgs.c (revision 0250c53ad267726f2438e3c6556199a0bbf588a2)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2001, 2002 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include "gnu_msgfmt.h"
28 #include "../../lib/libc/inc/msgfmt.h"
29 
30 struct messages	*
31 search_msg(struct catalog *p, const char *id, unsigned int hash_val)
32 {
33 	unsigned int	i, idx, inc;
34 	struct messages	*m;
35 
36 	idx = hash_val % p->thash_size;
37 	inc = 1 + (hash_val % (p->thash_size - 2));
38 	if (!p->thash[idx])
39 		return (NULL);
40 
41 	m = p->msg;
42 	for (m = p->msg; (i = p->thash[idx]) != 0;
43 		idx = (idx + inc) % p->thash_size) {
44 		if (strcmp(m[i - 1].id, id) == 0) {
45 			/* found */
46 			return (&m[i - 1]);
47 		}
48 	}
49 	return (NULL);
50 }
51 
52 static int
53 msg_cmp(struct messages *m1, struct messages *m2)
54 {
55 	return (strcmp(m1->id, m2->id));
56 }
57 
58 void
59 output_all_gnu_mo_files(void)
60 {
61 	struct catalog	*p, *op;
62 	struct messages	*m;
63 	size_t	id_len, str_len, id_off, str_off, ids_top, strs_top;
64 	unsigned int	*hash_tbl;
65 	unsigned int	hash_size;
66 	unsigned int	num = 0, fnum = 0, unum = 0;
67 	unsigned int	i, idx;
68 	char	*ids, *strs;
69 	struct msgtbl	*id_tbl, *str_tbl;
70 	struct gnu_msg_info	header;
71 	FILE	*out;
72 
73 	p = catalog_head;
74 
75 	while (p) {
76 		num += p->nmsg;
77 		fnum += p->fnum;
78 		unum += p->unum;
79 
80 
81 		free(p->thash);
82 		if (p->nmsg == 0) {
83 			/*
84 			 * no message in this file
85 			 * skip generating a mo
86 			 */
87 			goto skip;
88 		}
89 
90 		if (p->header)
91 			num--;
92 
93 		p->msg = (struct messages *)Xrealloc(p->msg,
94 			sizeof (struct messages) * p->nmsg);
95 
96 		/*
97 		 * Sort the message array
98 		 */
99 		qsort(p->msg, p->nmsg, sizeof (struct messages),
100 			(int (*)(const void *, const void *))msg_cmp);
101 
102 
103 		hash_size = find_prime(p->nmsg);
104 		hash_tbl = (unsigned int *)Xcalloc(hash_size,
105 			sizeof (unsigned int));
106 
107 
108 		/* Setting Header info */
109 		header.magic = GNU_MAGIC;
110 		header.revision = GNU_REVISION;
111 		header.num_of_str = p->nmsg;
112 		header.off_msgid_tbl = sizeof (struct gnu_msg_info);
113 		header.off_msgstr_tbl = sizeof (struct gnu_msg_info) +
114 			p->nmsg * sizeof (struct msgtbl);
115 		header.sz_hashtbl = hash_size;
116 		header.off_hashtbl = header.off_msgstr_tbl +
117 			p->nmsg * sizeof (struct msgtbl);
118 
119 		m = p->msg;
120 
121 		id_len = 0;
122 		str_len = 0;
123 		for (i = 0; i < p->nmsg; i++) {
124 			id_len += m[i].id_len;
125 			str_len += m[i].str_len;
126 		}
127 		ids = (char *)Xmalloc(id_len);
128 		strs = (char *)Xmalloc(str_len);
129 		id_tbl = (struct msgtbl *)Xmalloc(sizeof (struct msgtbl) *
130 			p->nmsg);
131 		str_tbl = (struct msgtbl *)Xmalloc(sizeof (struct msgtbl) *
132 			p->nmsg);
133 		id_off = 0;
134 		str_off = 0;
135 		ids_top = header.off_hashtbl +
136 			sizeof (unsigned int) * hash_size;
137 		strs_top = ids_top + id_len;
138 		for (i = 0; i < p->nmsg; i++) {
139 			/*
140 			 * Set the hash table
141 			 */
142 			idx = get_hash_index(hash_tbl, m[i].hash, hash_size);
143 			hash_tbl[idx] = i + 1;
144 
145 			/*
146 			 * rearrange msgid and msgstr
147 			 */
148 			id_tbl[i].len = m[i].id_len - 1;
149 			str_tbl[i].len = m[i].str_len - 1;
150 			id_tbl[i].offset = id_off + ids_top;
151 			str_tbl[i].offset = str_off + strs_top;
152 			(void) memcpy(ids + id_off, m[i].id, m[i].id_len);
153 			(void) memcpy(strs + str_off, m[i].str, m[i].str_len);
154 			id_off += m[i].id_len;
155 			str_off += m[i].str_len;
156 			free(m[i].id);
157 			free(m[i].str);
158 		}
159 
160 		if ((out = fopen(p->fname, "w")) == NULL) {
161 			error(gettext(ERR_OPEN_FAILED), p->fname);
162 			/* NOTREACHED */
163 		}
164 
165 		/* writing header */
166 		(void) fwrite(&header, sizeof (struct gnu_msg_info),
167 			1, out);
168 
169 		/* writing msgid offset table */
170 		(void) fwrite(id_tbl, sizeof (struct msgtbl),
171 			p->nmsg, out);
172 		/* writing msgstr offset table */
173 		(void) fwrite(str_tbl, sizeof (struct msgtbl),
174 			p->nmsg, out);
175 		/* writing hash table */
176 		(void) fwrite(hash_tbl, sizeof (unsigned int),
177 			hash_size, out);
178 		/* writing msgid table */
179 		(void) fwrite(ids, id_len, 1, out);
180 		/* writing msgstr table */
181 		(void) fwrite(strs, str_len, 1, out);
182 
183 		(void) fclose(out);
184 		free(id_tbl);
185 		free(str_tbl);
186 		free(hash_tbl);
187 		free(ids);
188 		free(strs);
189 skip:
190 		free(p->fname);
191 		free(p->msg);
192 		op = p->next;
193 		free(p);
194 		p = op;
195 	}
196 	if (verbose_flag) {
197 		diag(gettext(DIAG_RESULTS), num, fnum, unum);
198 	}
199 }
200