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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "plugin/linux/envvars.h"
#include "base/logging.h"
namespace o3d {
static const unsigned int kMaxEnvVarLength = 1024;
void LoadEnvironmentVariablesFile(const char *path) {
FILE *env_vars_file = fopen(path, "r");
// It is not an error if the file is missing. We treat it the same as if it
// were empty.
if (env_vars_file) {
char buffer[kMaxEnvVarLength];
while (!feof(env_vars_file) ) {
if (fgets(buffer, sizeof(buffer), env_vars_file)) {
char *equals = strchr(buffer, '=');
if (!equals) {
LOG(ERROR) << "Malformed environment variables file";
continue;
}
char *value = equals + 1;
*equals = '\0';
int length = strlen(value);
if (value[length - 1] == '\n') {
value[length - 1] = '\0';
}
if (setenv(buffer, value, 1) != 0) {
LOG(ERROR) << "Couldn't add " << buffer << "=" << value
<< " to environment";
} else {
// Custom environment variables could be relevant for debugging
// problem reports, so log this too.
LOG(INFO) << "Defined " << buffer << "=" << value;
}
} else if (ferror(env_vars_file)) {
PLOG(ERROR) << "Error reading from environment variables file";
break;
} else {
break;
}
}
if (fclose(env_vars_file) != 0) {
PLOG(ERROR) << "Unable to close environment variables file";
}
}
}
} // namespace o3d
|
