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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/* Copyright (C) 1992, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <string.h>
/* Create a directory named PATH with protections MODE. */
int
__mkdir (path, mode)
const char *path;
mode_t mode;
{
char *cmd = __alloca (80 + strlen (path));
char *p;
int status;
mode_t mask;
int save;
struct stat statbuf;
if (path == NULL)
{
__set_errno (EINVAL);
return -1;
}
/* Check for some errors. */
if (__stat (path, &statbuf) < 0)
{
if (errno != ENOENT)
return -1;
/* There is no file by that name. Good. */
}
else
{
__set_errno (EEXIST);
return -1;
}
/* Race condition, but how else to do it? */
mask = __umask (0777);
(void) __umask (mask);
p = cmd;
*p++ = 'm';
*p++ = 'k';
*p++ = 'd';
*p++ = 'i';
*p++ = 'r';
*p++ = ' ';
mode &= ~mask;
*p++ = '-';
*p++ = 'm';
*p++ = ' ';
*p++ = ((mode & 07000) >> 9) + '0';
*p++ = ((mode & 0700) >> 6) + '0';
*p++ = ((mode & 070) >> 3) + '0';
*p++ = ((mode & 07)) + '0';
*p++ = ' ';
strcpy (p, path);
save = errno;
/* If system doesn't set errno, but the mkdir fails, we really
have no idea what went wrong. EIO is the vaguest error I
can think of, so I'll use that. */
__set_errno (EIO);
status = system (cmd);
if (WIFEXITED (status) && WEXITSTATUS (status) == 0)
{
__set_errno (save);
return 0;
}
else
return -1;
}
weak_alias (__mkdir, mkdir)
|
