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//===-- sanitizer_symbolizer_libcdep.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 shared between AddressSanitizer and ThreadSanitizer
// run-time libraries.
//===----------------------------------------------------------------------===//
#include "sanitizer_allocator_internal.h"
#include "sanitizer_internal_defs.h"
#include "sanitizer_symbolizer_internal.h"
namespace __sanitizer {
const char *ExtractToken(const char *str, const char *delims, char **result) {
uptr prefix_len = internal_strcspn(str, delims);
*result = (char*)InternalAlloc(prefix_len + 1);
internal_memcpy(*result, str, prefix_len);
(*result)[prefix_len] = '\0';
const char *prefix_end = str + prefix_len;
if (*prefix_end != '\0') prefix_end++;
return prefix_end;
}
const char *ExtractInt(const char *str, const char *delims, int *result) {
char *buff;
const char *ret = ExtractToken(str, delims, &buff);
if (buff != 0) {
*result = (int)internal_atoll(buff);
}
InternalFree(buff);
return ret;
}
const char *ExtractUptr(const char *str, const char *delims, uptr *result) {
char *buff;
const char *ret = ExtractToken(str, delims, &buff);
if (buff != 0) {
*result = (uptr)internal_atoll(buff);
}
InternalFree(buff);
return ret;
}
const char *ExtractTokenUpToDelimiter(const char *str, const char *delimiter,
char **result) {
const char *found_delimiter = internal_strstr(str, delimiter);
uptr prefix_len =
found_delimiter ? found_delimiter - str : internal_strlen(str);
*result = (char *)InternalAlloc(prefix_len + 1);
internal_memcpy(*result, str, prefix_len);
(*result)[prefix_len] = '\0';
const char *prefix_end = str + prefix_len;
if (*prefix_end != '\0') prefix_end += internal_strlen(delimiter);
return prefix_end;
}
Symbolizer *Symbolizer::GetOrInit() {
SpinMutexLock l(&init_mu_);
if (symbolizer_)
return symbolizer_;
symbolizer_ = PlatformInit();
CHECK(symbolizer_);
return symbolizer_;
}
} // namespace __sanitizer
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