asan.c

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#include <ascii-chat/log/log.h>
 
// Clang on macOS/Linux uses __has_feature(address_sanitizer).
// Clang on Windows and GCC define __SANITIZE_ADDRESS__ instead.
#if defined(__has_feature)
#if __has_feature(address_sanitizer)
#define HAS_ASAN 1
#endif
#endif
#if !defined(HAS_ASAN) && defined(__SANITIZE_ADDRESS__)
#define HAS_ASAN 1
#endif
 
#ifdef HAS_ASAN
#include <sanitizer/asan_interface.h>
 
static void asan_error_report_callback(const char *report) {
  if (!report) {
    return;
  }
 
  // Feed the entire report through the logging system
  // This respects --log-file, --grep, and other logging filters
  log_fatal("AddressSanitizer detected memory error:\n%s", report);
 
  // Note: log_fatal will abort the process, so we won't return from here
}
 
__attribute__((constructor)) static void init_asan_error_reporting(void) {
  __asan_set_error_report_callback(asan_error_report_callback);
}
 
#endif // HAS_ASAN