Check mmap() result for MAP_FAILED

2024-09-09 12:27:54 +08:00 · 2024-09-09 12:27:54 +08:00 · f71ac477c8
commit f71ac477c8
parent 48dbd7bda6
1 changed files with 1 additions and 1 deletions
--- a/httplib.h
+++ b/httplib.h
@ -2958,7 +2958,7 @@ inline bool mmap::open(const char *path) {
  addr_ = ::mmap(NULL, size_, PROT_READ, MAP_PRIVATE, fd_, 0);
 #endif

-  if (addr_ == nullptr) {
+  if (addr_ == nullptr || addr_ == MAP_FAILED) {
    close();
    return false;
  }