error when interface is not specified

2025-04-03 17:09:25 +02:00
parent e3097eec3a
commit 6baf639a9c
1 changed files with 6 additions and 0 deletions
--- a/main.c
+++ b/main.c
@@ -206,6 +206,12 @@ int main(int argc, char *argv[]) {
        return 1;
    }

+    // Check if the interface is specified
+    if (dev_name == NULL) {
+        fprintf(stderr, "Error: Interface must be specified\n");
+        return 1;
+    }
+
    // Resolve the destination address
    memset(&hints, 0, sizeof(hints));
    hints.ai_family = AF_UNSPEC; // Allow IPv4 or IPv6