hush: fix 'eval ""' handling

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-09-29 01:44:17 +02:00
parent 992e0ff7e9
commit 78c9c736ab
5 changed files with 15 additions and 1 deletions
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -5679,7 +5679,7 @@ static char* expand_strvec_to_string(char **argv)
 			n++;
 		}
 	}
-	overlapping_strcpy((char*)list, list[0]);
+	overlapping_strcpy((char*)list, list[0] ? list[0] : "");
 	debug_printf_expand("strvec_to_string='%s'\n", (char*)list);
 	return (char*)list;
 }