1 | /* Copyright (C) 2004-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library 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 GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <stdio.h> |
19 | #include <string.h> |
20 | #include <wchar.h> |
21 | |
22 | static int |
23 | do_test (void) |
24 | { |
25 | FILE *f = popen (command: "echo test" , modes: "r" ); |
26 | int result = 0, ret; |
27 | char *line = NULL; |
28 | size_t len = 0; |
29 | |
30 | if (f == NULL) |
31 | { |
32 | printf (format: "popen failed %m" ); |
33 | return 1; |
34 | } |
35 | |
36 | /* POSIX says that pipe streams are byte-oriented. */ |
37 | if (fwide (fp: f, mode: 0) >= 0) |
38 | { |
39 | puts (s: "popen did not return byte-oriented stream" ); |
40 | result = 1; |
41 | } |
42 | |
43 | if (getline (lineptr: &line, n: &len, stream: f) != 5) |
44 | { |
45 | puts (s: "could not read line from popen" ); |
46 | result = 1; |
47 | } |
48 | else if (strcmp (line, "test\n" ) != 0) |
49 | { |
50 | printf (format: "read \"%s\"\n" , line); |
51 | result = 1; |
52 | } |
53 | |
54 | if (getline (lineptr: &line, n: &len, stream: f) != -1) |
55 | { |
56 | puts (s: "second getline did not return -1" ); |
57 | result = 1; |
58 | } |
59 | |
60 | ret = pclose (stream: f); |
61 | if (ret != 0) |
62 | { |
63 | printf (format: "pclose returned %d\n" , ret); |
64 | result = 1; |
65 | } |
66 | |
67 | return result; |
68 | } |
69 | |
70 | #define TEST_FUNCTION do_test () |
71 | #include "../test-skeleton.c" |
72 | |