1 /*
2 * shmem.c
3 *
4 * liba2ps shared memory (data used by several modules)
5 *
6 * Copyright (c) 1988, 89, 90, 91, 92, 93 Miguel Santana
7 * Copyright (c) 1995, 96, 97, 98 Akim Demaille, Miguel Santana
8 */
9
10 /*
11 * This file is part of a2ps.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2, or (at your option)
16 * any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; see the file COPYING. If not, write to
25 * the Free Software Foundation, 59 Temple Place - Suite 330,
26 * Boston, MA 02111-1307, USA.
27 */
28
29 /*
30 * $Id: common.c,v 1.2 1998/02/18 18:28:35 demaille Exp $
31 */
32
33 #include "common.h"
34 #include "pathwalk.h"
35
36 /*
37 * Default a shared mem values
38 */
39 void
a2ps_common_reset(struct a2ps_common_s * common)40 a2ps_common_reset (struct a2ps_common_s * common)
41 {
42 common->path = NULL;
43 }
44
45 /*
46 * Create a shared mem with default values
47 */
48 struct a2ps_common_s *
a2ps_common_new(void)49 a2ps_common_new (void)
50 {
51 NEW (struct a2ps_common_s, res);
52 a2ps_common_reset (res);
53 return res;
54 }
55
56 /*
57 * Free the common mem
58 */
59 void
a2ps_common_free(struct a2ps_common_s * common)60 a2ps_common_free (struct a2ps_common_s * common)
61 {
62 pw_free_path (common->path);
63 }
64
65 /*
66 * Finalize the common mem to the regular values
67 * HOME is the user's home dir.
68 */
69 void
a2ps_common_finalize(struct a2ps_common_s * common,const char * home)70 a2ps_common_finalize (struct a2ps_common_s * common, const char * home)
71 {
72 char buf [512];
73
74 /* Add the user's home .a2ps dir to the lib path unless explicitly
75 * discarded with NO_HOME_CONF */
76 if (! getenv ("NO_HOME_CONF"))
77 {
78 sprintf (buf, "%s%c.a2ps", home, DIRECTORY_SEPARATOR);
79 common->path = pw_prepend_string_to_path (common->path, buf);
80 }
81 }
82