Mercurial > gnulib
annotate tests/test-environ.c @ 40057:b06060465f09
maint: Run 'make update-copyright'
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Tue, 01 Jan 2019 00:25:11 +0100 |
| parents | 10eb9086bea0 |
| children |
| rev | line source |
|---|---|
| 9723 | 1 /* Test of environ variable. |
|
40057
b06060465f09
maint: Run 'make update-copyright'
Paul Eggert <eggert@cs.ucla.edu>
parents:
19484
diff
changeset
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2 Copyright (C) 2008-2019 Free Software Foundation, Inc. |
| 9723 | 3 |
| 4 This program is free software: you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 3 of the License, or | |
| 7 (at your option) any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
| 19190 | 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| 9723 | 16 |
| 17 /* Written by Bruno Haible <bruno@clisp.org>, 2008. */ | |
| 18 | |
| 19 #include <config.h> | |
| 20 | |
| 21 #include <unistd.h> | |
| 22 | |
| 23 #include <string.h> | |
| 24 | |
| 25 int | |
| 26 main () | |
| 27 { | |
| 28 /* The environment variables that are set even in the weirdest situations | |
| 29 are HOME and PATH. | |
| 30 POSIX says that HOME is initialized by the system, and that PATH may be | |
| 31 unset. But in practice it's more frequent to see HOME unset and PATH | |
| 32 set. So we test the presence of PATH. */ | |
| 33 char **remaining_variables = environ; | |
| 34 char *string; | |
| 35 | |
| 36 for (; (string = *remaining_variables) != NULL; remaining_variables++) | |
| 37 { | |
| 38 if (strncmp (string, "PATH=", 5) == 0) | |
|
12421
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10891
diff
changeset
|
39 /* Found the PATH environment variable. */ |
|
e8d2c6fc33ad
Use spaces for indentation, not tabs.
Bruno Haible <bruno@clisp.org>
parents:
10891
diff
changeset
|
40 return 0; |
| 9723 | 41 } |
| 42 /* Failed to find the PATH environment variable. */ | |
| 43 return 1; | |
| 44 } |