libc: Propagate errors correctly in shadow functions

2024-04-18 21:25:36 +02:00 · 2024-04-18 21:25:36 +02:00 · e2ff0ad273
commit e2ff0ad273
parent 62cb53069c
1 changed files with 2 additions and 2 deletions
--- a/libc/src/shadow.cpp
+++ b/libc/src/shadow.cpp
@ -16,7 +16,7 @@ extern "C"
    {
        struct spwd* result;

-        getspent_r(&spwd, s_buf, sizeof(s_buf), &result);
+        if (getspent_r(&spwd, s_buf, sizeof(s_buf), &result) < 0) return nullptr;

        return result;
    }
@ -28,7 +28,7 @@ extern "C"
        if (!f)
        {
            f = fopen("/etc/shadow", "r");
-            if (!f) return 0;
+            if (!f) return -1;
            fcntl(fileno(f), F_SETFD, FD_CLOEXEC);
        }