/[cvs]/eggdrop1.9/src/misc_file.c
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Contents of /eggdrop1.9/src/misc_file.c

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Revision 1.1 - (show annotations) (download) (as text)
Wed Mar 22 00:42:57 2000 UTC (20 years, 4 months ago) by fabian
Branch: MAIN
CVS Tags: eggdrop10503, eggdrop10403
File MIME type: text/x-chdr
configure_makefile_fix3 patch

1 /*
2 * misc.c -- handles:
3 * copyfile() movefile()
4 *
5 * $Id$
6 */
7 /*
8 * Copyright (C) 1997 Robey Pointer
9 * Copyright (C) 1999, 2000 Eggheads
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 */
25
26 #include "main.h"
27 #include <sys/stat.h>
28 #include <unistd.h>
29 #include <fcntl.h>
30 #include "stat.h"
31
32
33 /* Copy a file from one place to another (possibly erasing old copy).
34 *
35 * returns: 0 if OK
36 * 1 if can't open original file
37 * 2 if can't open new file
38 * 3 if original file isn't normal
39 * 4 if ran out of disk space
40 */
41 int copyfile(char *oldpath, char *newpath)
42 {
43 int fi, fo, x;
44 char buf[512];
45 struct stat st;
46
47 fi = open(oldpath, O_RDONLY, 0);
48 if (fi < 0)
49 return 1;
50 fstat(fi, &st);
51 if (!(st.st_mode & S_IFREG))
52 return 3;
53 fo = creat(newpath, (int) (st.st_mode & 0777));
54 if (fo < 0) {
55 close(fi);
56 return 2;
57 }
58 for (x = 1; x > 0;) {
59 x = read(fi, buf, 512);
60 if (x > 0) {
61 if (write(fo, buf, x) < x) { /* Couldn't write */
62 close(fo);
63 close(fi);
64 unlink(newpath);
65 return 4;
66 }
67 }
68 }
69 close(fo);
70 close(fi);
71 return 0;
72 }
73
74 int movefile(char *oldpath, char *newpath)
75 {
76 int ret;
77
78 #ifdef HAVE_RENAME
79 /* Try to use rename first */
80 if (rename(oldpath, newpath) == 0)
81 return 0;
82 #endif /* HAVE_RENAME */
83
84 /* If that fails, fall back to just copying and then
85 * deleting the file.
86 */
87 ret = copyfile(oldpath, newpath);
88 if (ret == 0)
89 unlink(oldpath);
90 return ret;
91 }

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