1 /*
2 * Copyright (c) 2020, The OpenThread Authors.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. Neither the name of the copyright holder nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /**
30 * @file
31 * The file implements POSIX system utilities.
32 */
33
34 #define OTBR_LOG_TAG "UTILS"
35
36 #include "system_utils.hpp"
37
38 #include <stdarg.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41
42 #include "common/logging.hpp"
43
44 namespace otbr {
45 namespace SystemUtils {
46
47 enum
48 {
49 kSystemCommandMaxLength = 1024, ///< Max length of a system call command.
50 };
51
ExecuteCommand(const char * aFormat,...)52 int ExecuteCommand(const char *aFormat, ...)
53 {
54 char cmd[kSystemCommandMaxLength];
55 int exitCode;
56 va_list args;
57
58 va_start(args, aFormat);
59 vsnprintf(cmd, sizeof(cmd), aFormat, args);
60 va_end(args);
61
62 exitCode = system(cmd);
63
64 if (exitCode == 0)
65 {
66 otbrLogInfo("$?=%-3d: %s", exitCode, cmd);
67 }
68 else
69 {
70 otbrLogWarning("$?=%-3d: %s", exitCode, cmd);
71 }
72
73 return exitCode;
74 }
75
76 } // namespace SystemUtils
77 } // namespace otbr
78