Mercurial > retraceit

annotate src/util_linux.c @ 28:4e16fbd10945

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
(issue3-5) Make the default sort order configurable
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 May 2015 18:46:35 +0200
parents 147b08bc7d64
children 9daf778feaf1
rev   line source
0
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
1 #ifndef WIN32
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
2 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
3 * Software engineering by Intevation GmbH
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
4 *
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
5 * This file is Free Software under the GNU GPL (v>=2)
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
6 * and comes with ABSOLUTELY NO WARRANTY!
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
7 * See LICENSE.txt for details.
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
8 */
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
9
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
10 /**@file Linux implementation of functions declared in util.h */
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
11
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
12 #include "util.h"
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
13 #include "string.h"
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
14 #include "strhelp.h"
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
15 #include "unistd.h"
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
16 #include <sys/types.h>
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
17 #include <pwd.h>
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
18
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
19 char *
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
20 get_proc_install_dir(const char *proc)
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
21 {
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
22 char *retval = NULL,
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
23 *procpath = NULL,
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
24 *p = NULL,
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
25 buf[MAX_PATH_LINUX];
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
26 ssize_t ret;
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
27 size_t path_len = 0;
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
28
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
29 if (!proc)
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
30 {
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
31 return NULL;
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
32 }
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
33
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
34 xasprintf(&procpath, "/proc/%s/exe", proc);
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
35
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
36 ret = readlink (procpath, buf, MAX_PATH_LINUX);
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
37 xfree(procpath);
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
38 procpath = NULL;
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
39
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
40 if (ret <= 0)
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
41 {
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
42 return NULL;
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
43 }
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
44
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
45 buf[ret] = '\0';
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
46
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
47 /* cut off the filename */
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
48 p = strrchr (buf, '/');
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
49 if (p == NULL)
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
50 {
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
51 return NULL;
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
52 }
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
53 *(p + 1) = '\0';
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
54
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
55 path_len = strlen (buf);
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
56 retval = xmalloc (path_len + 1);
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
57 strncpy (retval, buf, path_len);
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
58 retval[path_len] = '\0';
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
59
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
60 return retval;
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
61 }
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
62
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
63 char *
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
64 get_install_dir()
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
65 {
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
66 return get_proc_install_dir("self");
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
67 }
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
68
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
69
147b08bc7d64 Initial commit of a basic Application framework.
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
70 #endif
This site is hosted by Intevation GmbH (Datenschutzerklärung und Impressum | Privacy Policy and Imprint)