From 8ca63b924dc44f3dceccf16628686c87adb49a41 Mon Sep 17 00:00:00 2001
From: parkrrrr <parkrrrr@f51c46e8-681c-474f-0cfe-069cfd0219fb>
Date: Tue, 2 Sep 2003 18:28:50 +0000
Subject: [PATCH] fix segfault when command line was 'gpsbabel foo' or the more
 likely 'gpsbabel --help' or 'gpsbabel /?'

---
 gpsbabel/main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gpsbabel/main.c b/gpsbabel/main.c
index ac224e530..10a77a1d0 100644
--- a/gpsbabel/main.c
+++ b/gpsbabel/main.c
@@ -204,7 +204,7 @@ main(int argc, char *argv[])
 	if (argc > 2) {
 		fatal ("Extra arguments on command line\n");
 	}
-	else if (argc) {
+	else if (argc && ivecs) {
 		ivecs->rd_init(argv[0], ivec_opts);
 		ivecs->read();
 		ivecs->rd_deinit();
@@ -214,6 +214,10 @@ main(int argc, char *argv[])
 			ovecs->wr_deinit();
 		}
 	}
+	else {
+		usage(argv[0]);
+		exit(0);
+	}
 
 	if (ovecs == NULL)
 		waypt_disp_all(waypt_disp);
-- 
2.30.2