masqmail-0.2

view src/tables.c @ 27:3654c502a4df

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g_malloc terminates the program on failure automatically
author meillo@marmaro.de
date Thu, 06 May 2010 11:50:40 +0200
parents 6c59dedd06be
children 3b344bf57162
line source
1 /* MasqMail
2 Copyright (C) 1999-2001 Oliver Kurth
3 Copyright 2008 markus schnalke <meillo@marmaro.de>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #include <fnmatch.h>
21
22 #include "masqmail.h"
23
24 table_pair*
25 create_pair(gchar * key, gpointer value)
26 {
27 table_pair *pair;
28
29 pair = g_malloc(sizeof(table_pair));
30 pair->key = g_strdup(key);
31 pair->value = value;
32
33 return pair;
34 }
35
36 table_pair*
37 create_pair_string(gchar * key, gpointer value)
38 {
39 table_pair *pair;
40
41 pair = g_malloc(sizeof(table_pair));
42 pair->key = g_strdup(key);
43 pair->value = (gpointer) (g_strdup(value));
44
45 return pair;
46 }
47
48 table_pair*
49 parse_table_pair(gchar * line, char delim)
50 {
51 gchar buf[256];
52 gchar *p, *q;
53 table_pair *pair;
54
55 p = line;
56 q = buf;
57 while ((*p != '\0') && (*p != delim) && q < buf + 255)
58 *(q++) = *(p++);
59 *q = '\0';
60
61 pair = g_malloc(sizeof(table_pair));
62 pair->key = g_strdup(g_strstrip(buf));
63
64 if (*p) {
65 p++;
66 /* while(isspace(*p)) p++; */
67 pair->value = (gpointer *) (g_strdup(g_strstrip(p)));
68 } else
69 pair->value = (gpointer *) g_strdup("");
70
71 return pair;
72 }
73
74 gpointer*
75 table_find_func(GList * table_list, gchar * key, int (*cmp_func) (const char *, const char *))
76 {
77 GList *node;
78
79 foreach(table_list, node) {
80 table_pair *pair = (table_pair *) (node->data);
81 if (cmp_func(pair->key, key) == 0)
82 return pair->value;
83 }
84 return NULL;
85 }
86
87 gpointer*
88 table_find(GList * table_list, gchar * key)
89 {
90 return table_find_func(table_list, key, strcmp);
91 }
92
93 gpointer*
94 table_find_case(GList * table_list, gchar * key)
95 {
96 return table_find_func(table_list, key, strcasecmp);
97 }
98
99 static int
100 fnmatch0(const char *pattern, const char *string)
101 {
102 return fnmatch(pattern, string, 0);
103 }
104
105 gpointer*
106 table_find_fnmatch(GList * table_list, gchar * key)
107 {
108 return table_find_func(table_list, key, fnmatch0);
109 }
110
111 GList*
112 table_read(gchar * fname, gchar delim)
113 {
114 GList *list = NULL;
115 FILE *fptr;
116
117 if ((fptr = fopen(fname, "rt"))) {
118 gchar buf[256];
119
120 while (fgets(buf, 255, fptr)) {
121 if (buf[0] && (buf[0] != '#') && (buf[0] != '\n')) {
122 table_pair *pair;
123 g_strchomp(buf);
124 pair = parse_table_pair(buf, delim);
125 list = g_list_append(list, pair);
126 }
127 }
128 fclose(fptr);
129 if (list == NULL)
130 logwrite(LOG_NOTICE, "empty table file %s\n", fname);
131 return list;
132 }
133 logwrite(LOG_ALERT, "could not open table file %s: %s. Thus no aliasing is done\n", fname, strerror(errno));
134
135 return NULL;
136 }
137
138 void
139 destroy_table(GList * table)
140 {
141 GList *node;
142
143 foreach(table, node) {
144 table_pair *p = (table_pair *) (node->data);
145 g_free(p->key);
146 g_free(p->value);
147 g_free(p);
148 }
149 g_list_free(table);
150 }