Mercurial > trustbridge

annotate common/portpath.c @ 586:ecfd77751daf

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Disambiguate enumerator values and add portable wrapper.
author Andre Heinecke <aheinecke@intevation.de>
date Tue, 27 May 2014 16:30:58 +0000
parents 17e1c8f37d72
children b3695a3399de
rev   line source
404
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 176
diff changeset
1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 176
diff changeset
2 * Software engineering by Intevation GmbH
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 176
diff changeset
3 *
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 176
diff changeset
4 * This file is Free Software under the GNU GPL (v>=2)
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 176
diff changeset
5 * and comes with ABSOLUTELY NO WARRANTY!
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 176
diff changeset
6 * See LICENSE.txt for details.
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 176
diff changeset
7 */
146
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
8 #include "portpath.h"
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
9
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
10 #include <libgen.h>
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
11 #include <limits.h>
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
12 #include <stdio.h>
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
13 #include <stdlib.h>
168
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
14 #include <sys/stat.h>
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
15 #include <sys/types.h>
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
16 #include <unistd.h>
146
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
17
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
18
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
19 char *
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
20 port_dirname(char *path)
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
21 {
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
22 #ifndef _WIN32
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
23 return dirname(path);
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
24 #else
164
6d64d7e9fa32 Implemented port_dirname for windows.
Sascha Wilde <wilde@intevation.de>
parents: 146
diff changeset
25 char drive[_MAX_DRIVE];
6d64d7e9fa32 Implemented port_dirname for windows.
Sascha Wilde <wilde@intevation.de>
parents: 146
diff changeset
26 char dir[_MAX_DIR];
6d64d7e9fa32 Implemented port_dirname for windows.
Sascha Wilde <wilde@intevation.de>
parents: 146
diff changeset
27 _splitpath(path, drive, dir, NULL, NULL);
170
3343ddf43f42 Windows implementation of port_dirname: strip trailing '/' and '\'.
Sascha Wilde <wilde@intevation.de>
parents: 169
diff changeset
28 size_t dlen = strlen(dir);
3343ddf43f42 Windows implementation of port_dirname: strip trailing '/' and '\'.
Sascha Wilde <wilde@intevation.de>
parents: 169
diff changeset
29 if ((dlen > 0) &&
3343ddf43f42 Windows implementation of port_dirname: strip trailing '/' and '\'.
Sascha Wilde <wilde@intevation.de>
parents: 169
diff changeset
30 ((dir[dlen-1] == '/') || (dir[dlen-1] == '\\')))
3343ddf43f42 Windows implementation of port_dirname: strip trailing '/' and '\'.
Sascha Wilde <wilde@intevation.de>
parents: 169
diff changeset
31 dir[dlen-1] = '\0';
164
6d64d7e9fa32 Implemented port_dirname for windows.
Sascha Wilde <wilde@intevation.de>
parents: 146
diff changeset
32 /* We assume: drive + dir is shorter than
6d64d7e9fa32 Implemented port_dirname for windows.
Sascha Wilde <wilde@intevation.de>
parents: 146
diff changeset
33 * drive + dir + fname + ext */
6d64d7e9fa32 Implemented port_dirname for windows.
Sascha Wilde <wilde@intevation.de>
parents: 146
diff changeset
34 sprintf(path, "%s%s", drive, dir);
6d64d7e9fa32 Implemented port_dirname for windows.
Sascha Wilde <wilde@intevation.de>
parents: 146
diff changeset
35 return path;
146
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
36 #endif
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
37 }
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
38
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
39 char *
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
40 port_realpath(char *path)
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
41 {
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
42 #ifndef _WIN32
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
43 return realpath(path, NULL);
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
44 #else
169
701b7036c5dc Windows implementation of port_realpath: NULL if file does not exist.
Sascha Wilde <wilde@intevation.de>
parents: 168
diff changeset
45 char *fp = _fullpath(NULL, path, 0);
701b7036c5dc Windows implementation of port_realpath: NULL if file does not exist.
Sascha Wilde <wilde@intevation.de>
parents: 168
diff changeset
46 if (port_fileexits(fp))
701b7036c5dc Windows implementation of port_realpath: NULL if file does not exist.
Sascha Wilde <wilde@intevation.de>
parents: 168
diff changeset
47 return fp;
701b7036c5dc Windows implementation of port_realpath: NULL if file does not exist.
Sascha Wilde <wilde@intevation.de>
parents: 168
diff changeset
48 else
701b7036c5dc Windows implementation of port_realpath: NULL if file does not exist.
Sascha Wilde <wilde@intevation.de>
parents: 168
diff changeset
49 return NULL;
146
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
50 #endif
306e4db11761 Added portable path name handling functions.
Sascha Wilde <wilde@intevation.de>
parents:
diff changeset
51 }
168
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
52
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
53 bool
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
54 port_fileexits(char *path)
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
55 {
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
56 int ret;
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
57 #ifndef _WIN32
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
58 struct stat sb;
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
59 ret = stat(path, &sb);
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
60 #else
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
61 struct _stat sb;
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
62 ret = _stat(path, &sb);
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
63 #endif
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
64
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
65 if (ret == 0)
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
66 return true;
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
67 else
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
68 return false;
f100861dad8f Added simple portable function to test if an file exists.
Sascha Wilde <wilde@intevation.de>
parents: 166
diff changeset
69 }
176
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
70
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
71 bool
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
72 port_isdir(char *path)
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
73 {
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
74 int ret;
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
75 #ifndef _WIN32
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
76 struct stat sb;
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
77 ret = stat(path, &sb);
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
78 #else
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
79 struct _stat sb;
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
80 ret = _stat(path, &sb);
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
81 #endif
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
82
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
83 if ((ret == 0) && S_ISDIR(sb.st_mode))
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
84 return true;
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
85 else
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
86 return false;
70d627e9e801 New portability function to test if a file is an directory.
Sascha Wilde <wilde@intevation.de>
parents: 170
diff changeset
87 }
http://wald.intevation.org/projects/trustbridge/