/[zanavi_public1]/navit/navit/maptool/tempfile.c
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Contents of /navit/navit/maptool/tempfile.c

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Revision 31 - (show annotations) (download)
Mon Feb 4 17:41:59 2013 UTC (7 years, 6 months ago) by zoff99
File MIME type: text/plain
File size: 1823 byte(s)
new map version, lots of fixes and experimental new features
1 /**
2 * Navit, a modular navigation system.
3 * Copyright (C) 2005-2011 Navit Team
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * version 2 as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19 #define _FILE_OFFSET_BITS 64
20 #define _LARGEFILE_SOURCE
21 #define _LARGEFILE64_SOURCE
22 #include <unistd.h>
23 #include "maptool.h"
24 #include "debug.h"
25
26 char *
27 tempfile_name(char *suffix, char *name)
28 {
29 return g_strdup_printf("%s_%s.tmp", name, suffix);
30 }
31
32 FILE *
33 tempfile(char *suffix, char *name, int mode)
34 {
35 char *buffer = tempfile_name(suffix, name);
36 FILE *ret = NULL;
37 switch (mode)
38 {
39 case 0:
40 ret = fopen(buffer, "rb");
41 break;
42 case 1:
43 ret = fopen(buffer, "wb+");
44 break;
45 case 2:
46 ret = fopen(buffer, "ab");
47 break;
48 }
49
50 if (debug_itembin(6))
51 {
52 fprintf(stderr, "== tempfile == open == FILENAME: %s FILEPOINTER: %p ==\n", buffer, ret);
53 }
54 g_free(buffer);
55
56 return ret;
57 }
58
59 void tempfile_unlink(char *suffix, char *name)
60 {
61 char buffer[4096];
62 sprintf(buffer, "%s_%s.tmp", name, suffix);
63 unlink(buffer);
64 }
65
66 void tempfile_rename(char *suffix, char *from, char *to)
67 {
68 char buffer_from[4096], buffer_to[4096];
69 sprintf(buffer_from, "%s_%s.tmp", from, suffix);
70 sprintf(buffer_to, "%s_%s.tmp", to, suffix);
71 dbg_assert(rename(buffer_from, buffer_to) == 0);
72 }
73

   
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