1 /*
2 *
3 * alias.c -
4 *
5 * $Id: alias.c,v 1.15.8.5 2008-03-06 14:47:31 opengl2772 Exp $
6 *
7 * Copyright (C) 1997-1999 Satoru Takabayashi All rights reserved.
8 * Copyright (C) 2000-2008 Namazu Project All rights reserved.
9 * Copyright (C) 1999 NOKUBI Takatsugu All rights reserved.
10 * This is free software with ABSOLUTELY NO WARRANTY.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 * 02111-1307, USA
26 *
27 *
28 */
29
30 #ifdef HAVE_CONFIG_H
31 # include "config.h"
32 #endif
33 #ifdef HAVE_SUPPORT_H
34 # include "support.h"
35 #endif
36
37 #include <stdio.h>
38 #ifdef HAVE_STDLIB_H
39 # include <stdlib.h>
40 #endif
41
42 #ifdef HAVE_ERRNO_H
43 # include <errno.h>
44 #endif
45
46 #include <assert.h>
47
48 #ifdef HAVE_STRING_H
49 # include <string.h>
50 #else
51 # include <strings.h>
52 #endif
53
54 #include "alias.h"
55 #include "util.h"
56 #include "libnamazu.h"
57 #include "i18n.h"
58
59 static struct nmz_alias *aliases = NULL;
60
61 /*
62 *
63 * Public functions
64 *
65 */
66
67 /*
68 * Add a new element to the end of `aliases' list.
69 */
70 enum nmz_stat
nmz_add_alias(const char * alias,const char * real)71 nmz_add_alias(const char *alias, const char *real)
72 {
73 struct nmz_alias *newp;
74
75 newp = malloc(sizeof(struct nmz_alias));
76 if (newp == NULL) {
77 nmz_set_dyingmsg(nmz_msg("%s", strerror(errno)));
78 return FAILURE;
79 }
80 newp->alias = malloc(strlen(alias) + 1);
81 if (newp->alias == NULL) {
82 nmz_set_dyingmsg(nmz_msg("%s", strerror(errno)));
83 free(newp);
84 return FAILURE;
85 }
86
87 newp->real = malloc(strlen(real) + 1);
88 if (newp->real == NULL) {
89 nmz_set_dyingmsg(nmz_msg("%s", strerror(errno)));
90 free(newp->alias);
91 free(newp);
92 return FAILURE;
93 }
94
95 strcpy(newp->alias, alias);
96 strcpy(newp->real, real);
97
98 newp->next = NULL;
99 if (aliases == NULL) {
100 aliases = newp;
101 } else {
102 struct nmz_alias *ptr = aliases;
103
104 while (ptr->next != NULL) {
105 ptr = ptr->next;
106 }
107 assert(ptr->next == NULL);
108 ptr->next = newp;
109 }
110
111 return SUCCESS;
112 }
113
114 void
nmz_free_aliases(void)115 nmz_free_aliases(void)
116 {
117 struct nmz_alias *list, *next;
118 list = aliases;
119
120 while (list) {
121 next = list->next;
122 free(list->alias);
123 free(list->real);
124 free(list);
125 list = next;
126 }
127 }
128
129 /*
130 * It's very dangerous to use!
131 */
132 struct nmz_alias *
nmz_get_aliases(void)133 nmz_get_aliases(void)
134 {
135 return aliases;
136 }
137