From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 26 Dec 2002 06:55:45 +0000 (+0000)
Subject: (getargs) [MSDOS]: Don't assume optarg != NULL
X-Git-Tag: BISON-1_875~35
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/fcbfa6b01c0222b01254730c66d539ed2c841a4e

(getargs) [MSDOS]: Don't assume optarg != NULL
with -g option.
---

diff --git a/src/getargs.c b/src/getargs.c
index 23b06394..ffdff8ab 100644
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -355,7 +355,8 @@ getargs (int argc, char *argv[])
       case 'g':
 	/* Here, the -g and --graph=FILE options are differentiated.  */
 	graph_flag = 1;
-	spec_graph_file = AS_FILE_NAME (optarg);
+	if (optarg)
+	  spec_graph_file = AS_FILE_NAME (optarg);
 	break;
 
       case 'v':