hostname: Handle 'sethostname' errors

1 files changed, 5 insertions, 1 deletions

diff --git a/Userland/Utilities/hostname.cpp b/Userland/Utilities/hostname.cpp
index 4694480903..b620242f50 100644
--- a/Userland/Utilities/hostname.cpp
+++ b/Userland/Utilities/hostname.cpp
@@ -31,7 +31,11 @@ int main(int argc, char** argv)
             warnln("Hostname must be less than {} characters", HOST_NAME_MAX);
             return 1;
         }
-        sethostname(hostname, strlen(hostname));
+        int rc = sethostname(hostname, strlen(hostname));
+        if (rc < 0) {
+            perror("sethostname");
+            return 1;
+        }
     }
     return 0;
 }