X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/33b82b22614b29838e5118fbc4c04f1db22d431c..86256dc6603a868a4aca9ea47a9d23de5c25e893:/plink.c

diff --git a/plink.c b/plink.c
index 528eee65..b4f8e848 100644
--- a/plink.c
+++ b/plink.c
@@ -256,6 +256,7 @@ int main(int argc, char **argv)
     int skcount, sksize;
     int connopen;
     int exitcode;
+    int errors;
 
     ssh_get_line = console_get_line;
 
@@ -275,6 +276,7 @@ int main(int argc, char **argv)
     do_defaults(NULL, &cfg);
     default_protocol = cfg.protocol;
     default_port = cfg.port;
+    errors = 0;
     {
 	/*
 	 * Override the default protocol if PLINK_PROTOCOL is set.
@@ -299,12 +301,16 @@ int main(int argc, char **argv)
 	    if (ret == -2) {
 		fprintf(stderr,
 			"plink: option \"%s\" requires an argument\n", p);
+		errors = 1;
 	    } else if (ret == 2) {
 		--argc, ++argv;
 	    } else if (ret == 1) {
 		continue;
 	    } else if (!strcmp(p, "-batch")) {
 		console_batch_mode = 1;
+	    } else {
+		fprintf(stderr, "plink: unknown option \"%s\"\n", p);
+		errors = 1;
 	    }
 	} else if (*p) {
 	    if (!*cfg.host) {
@@ -426,6 +432,9 @@ int main(int argc, char **argv)
 	}
     }
 
+    if (errors)
+	return 1;
+
     if (!*cfg.host) {
 	usage();
     }