| //===-- 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 |