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
|
//===-- sanitizer_flags.cc ------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer/AddressSanitizer runtime.
//
//===----------------------------------------------------------------------===//
#include "sanitizer_flags.h"
#include "sanitizer_common.h"
#include "sanitizer_libc.h"
namespace __sanitizer {
static char *GetFlagValue(const char *env, const char *name) {
if (env == 0)
return 0;
const char *pos = internal_strstr(env, name);
const char *end;
if (pos == 0)
return 0;
pos += internal_strlen(name);
if (pos[0] != '=') {
end = pos;
} else {
pos += 1;
if (pos[0] == '"') {
pos += 1;
end = internal_strchr(pos, '"');
} else if (pos[0] == '\'') {
pos += 1;
end = internal_strchr(pos, '\'');
} else {
end = internal_strchr(pos, ' ');
}
if (end == 0)
end = pos + internal_strlen(pos);
}
int len = end - pos;
char *f = (char*)InternalAlloc(len + 1);
internal_memcpy(f, pos, len);
f[len] = '\0';
return f;
}
void ParseFlag(const char *env, bool *flag, const char *name) {
char *val = GetFlagValue(env, name);
if (val == 0)
return;
if (0 == internal_strcmp(val, "0") ||
0 == internal_strcmp(val, "no") ||
0 == internal_strcmp(val, "false"))
*flag = false;
if (0 == internal_strcmp(val, "1") ||
0 == internal_strcmp(val, "yes") ||
0 == internal_strcmp(val, "true"))
*flag = true;
InternalFree(val);
}
void ParseFlag(const char *env, int *flag, const char *name) {
char *val = GetFlagValue(env, name);
if (val == 0)
return;
*flag = internal_atoll(val);
InternalFree(val);
}
void ParseFlag(const char *env, const char **flag, const char *name) {
const char *val = GetFlagValue(env, name);
if (val == 0)
return;
*flag = val;
}
} // namespace __sanitizer
|
