blob: 1e7715909f0a648e9e378a295df3a04bb0921d47 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* ========================================================================
* Copyright 2013-2022 Eduardo Chappa
* Copyright 2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#include <system.h>
#include "err_desc.h"
#include "../charconv/utf8.h"
#include "../charconv/filesys.h"
#include "rename.h"
/*----------------------------------------------------------------------
Rename a file
Args: tmpfname -- Old name of file
fname -- New name of file
Result: File is renamed. Returns 0 on success, else -1 on error
and errno is valid.
----*/
int
rename_file(char *tmpfname, char *fname)
{
#if HAVE_RENAME
return(our_rename(tmpfname, fname));
#else
# if defined(_WINDOWS)
int ret;
/*
* DOS rename doesn't unlink destination for us...
*/
if((ret = our_unlink(fname)) && (errno == EPERM)){
ret = -5;
}
else{
ret = our_rename(tmpfname, fname);
if(ret)
ret = -1;
}
return(ret);
# else
int status;
our_unlink(fname);
if ((status = link(tmpfname, fname)) != 0)
return(status);
our_unlink(tmpfname);
return(0);
# endif
#endif
}
|
