[HEIMDAL-646] malloc(0) checks for AIX
[heimdal.git] / lib / com_err / error.c
blob6b12c00c7a22434a7b7e9f15f38417d7ae3909d9
1 /*
2 * Copyright (c) 1997, 1998, 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
35 #include <config.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 #include <com_right.h>
42 #ifdef LIBINTL
43 #include <libintl.h>
44 #else
45 #define dgettext(d,s) (s)
46 #endif
48 const char *
49 com_right(struct et_list *list, long code)
51 struct et_list *p;
52 for (p = list; p; p = p->next) {
53 if (code >= p->table->base && code < p->table->base + p->table->n_msgs) {
54 const char *str = p->table->msgs[code - p->table->base];
55 #ifdef LIBINTL
56 char domain[12 + 20];
57 snprintf(domain, sizeof(domain), "heim_com_err%d", p->table->base);
58 #endif
59 return dgettext(domain, str);
63 return NULL;
66 struct foobar {
67 struct et_list etl;
68 struct error_table et;
71 void
72 initialize_error_table_r(struct et_list **list,
73 const char **messages,
74 int num_errors,
75 long base)
77 struct et_list *et, **end;
78 struct foobar *f;
79 for (end = list, et = *list; et; end = &et->next, et = et->next)
80 if (et->table->msgs == messages)
81 return;
82 f = malloc(sizeof(*f));
83 if (f == NULL)
84 return;
85 et = &f->etl;
86 et->table = &f->et;
87 et->table->msgs = messages;
88 et->table->n_msgs = num_errors;
89 et->table->base = base;
90 et->next = NULL;
91 *end = et;
95 void
96 free_error_table(struct et_list *et)
98 while(et){
99 struct et_list *p = et;
100 et = et->next;
101 free(p);