Shell: Print correct errno when execvp() fails

Amusingly enough, this was caused by yet another bug.
fleximus · May 15, 2020 · 7aad44b · 7aad44b
1 parent 8883292
commit 7aad44b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Shell/main.cpp b/Shell/main.cpp
@@ -1044,12 +1044,13 @@ static ExitCodeOrContinuationRequest run_command(const StringView& cmd)
  } else
  fprintf(stderr, "%s: Command not found.\n", argv[0]);
  } else {
+ int saved_errno = errno;
  struct stat st;
  if (stat(argv[0], &st) == 0 && S_ISDIR(st.st_mode)) {
  fprintf(stderr, "Shell: %s: Is a directory\n", argv[0]);
  _exit(126);
  }
- fprintf(stderr, "execvp(%s): %s\n", argv[0], strerror(errno));
+ fprintf(stderr, "execvp(%s): %s\n", argv[0], strerror(saved_errno));
  }
  _exit(126);
  }