LibC: Fix execvp() errno

Of course, using dbg() in the middle will change errno (most likely, reset it to zero).
Author: https://github.com/bugaevc Commit: https://github.com/SerenityOS/serenity/commit/888329233bb Pull-request: https://github.com/SerenityOS/serenity/pull/2231
2020-05-15 12:08:39 +03:00 · 2020-05-15 12:08:39 +03:00 · 888329233b · 2024-07-19 06:38:19 +09:00
commit 888329233b
parent 752617cbb2
1 changed files with 3 additions and 1 deletions
--- a/Libraries/LibC/unistd.cpp
+++ b/Libraries/LibC/unistd.cpp
@ -135,7 +135,9 @@ int execvpe(const char* filename, char* const argv[], char* const envp[])
 int execvp(const char* filename, char* const argv[])
 {
    int rc = execvpe(filename, argv, environ);
-    dbg() << "execvp() about to return " << rc << " with errno=" << errno;
+    int saved_errno = errno;
+    dbg() << "execvp() about to return " << rc << " with errno=" << saved_errno;
+    errno = saved_errno;
    return rc;
 }