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