Last change
on this file since 3880 was 3621, checked in by Bruno Cornec, 8 years ago |
New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
|
-
Property svn:eol-style
set to
native
|
File size:
1.6 KB
|
Rev | Line | |
---|
[1765] | 1 | /* printenv -- minimal clone of BSD printenv(1).
|
---|
| 2 |
|
---|
| 3 | usage: printenv [varname]
|
---|
| 4 |
|
---|
| 5 | Chet Ramey
|
---|
| 6 | chet@po.cwru.edu
|
---|
| 7 | */
|
---|
| 8 |
|
---|
| 9 | /* Copyright (C) 1997-2002 Free Software Foundation, Inc.
|
---|
| 10 |
|
---|
| 11 | This file is part of GNU Bash, the Bourne Again SHell.
|
---|
| 12 |
|
---|
| 13 | Bash is free software; you can redistribute it and/or modify it under
|
---|
| 14 | the terms of the GNU General Public License as published by the Free
|
---|
| 15 | Software Foundation; either version 2, or (at your option) any later
|
---|
| 16 | version.
|
---|
| 17 |
|
---|
| 18 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY
|
---|
| 19 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
---|
| 20 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
---|
| 21 | for more details.
|
---|
| 22 |
|
---|
| 23 | You should have received a copy of the GNU General Public License along
|
---|
| 24 | with Bash; see the file COPYING. If not, write to the Free Software
|
---|
| 25 | Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
|
---|
| 26 |
|
---|
[3621] | 27 | #include <stdio.h>
|
---|
[1765] | 28 | #include <stdlib.h>
|
---|
| 29 | #include <string.h>
|
---|
| 30 |
|
---|
| 31 | extern char **environ;
|
---|
| 32 |
|
---|
| 33 | int
|
---|
| 34 | main (argc, argv)
|
---|
| 35 | int argc;
|
---|
| 36 | char **argv;
|
---|
| 37 | {
|
---|
| 38 | register char **envp, *eval;
|
---|
| 39 | int len;
|
---|
| 40 |
|
---|
| 41 | argv++;
|
---|
| 42 | argc--;
|
---|
| 43 |
|
---|
| 44 | /* printenv */
|
---|
| 45 | if (argc == 0)
|
---|
| 46 | {
|
---|
| 47 | for (envp = environ; *envp; envp++)
|
---|
| 48 | puts (*envp);
|
---|
[2725] | 49 | exit(EXIT_SUCCESS);
|
---|
[1765] | 50 | }
|
---|
| 51 |
|
---|
| 52 | /* printenv varname */
|
---|
| 53 | len = strlen (*argv);
|
---|
| 54 | for (envp = environ; *envp; envp++)
|
---|
| 55 | {
|
---|
| 56 | if (**argv == **envp && strncmp (*envp, *argv, len) == 0)
|
---|
| 57 | {
|
---|
| 58 | eval = *envp + len;
|
---|
| 59 | /* If the environment variable doesn't have an `=', ignore it. */
|
---|
| 60 | if (*eval == '=')
|
---|
| 61 | {
|
---|
| 62 | puts (eval + 1);
|
---|
[2725] | 63 | exit(EXIT_SUCCESS);
|
---|
[1765] | 64 | }
|
---|
| 65 | }
|
---|
| 66 | }
|
---|
[2725] | 67 | exit(EXIT_FAILURE);
|
---|
[1765] | 68 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.