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
|
/*
* UNG's Not GNU
*
* Copyright (c) 2011, Jakob Kaivo <jakob@kaivo.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include "sh.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
const char *pwd_desc = "return working directory name";
const char *pwd_inv = "pwd [-L|-P]";
int
pwd_main (int argc, char **argv)
{
//char mode = 'L';
char *cwd;
int c;
while ((c = getopt (argc, argv, ":LP")) != -1) {
switch (c) {
case 'L':
case 'P':
////mode = c;
break;
default:
return 1;
}
}
if (optind < argc)
return 1;
// FIXME:
// if (mode == 'L')
// if (cwd !~ /./ && cwd !~ /../)
// print (cwd);
// else if (strlen (cwd) > PATH_MAX && NO_DOT_OR_DOT_DOT)
// unspecified
// else
// mode = 'P';
// if (mode == 'P')
// decompose_to_shortest_path
// print (decomposed)
cwd = (char*)getenv ("PWD");
printf ("%s\n", cwd);
return 0;
}
|