Add -V option to test/iso.c little testing app.

test/iso.c

@@ -20,7 +20,7 @@
 
 #define SECSIZE 2048
 
-const char * const optstring = "JRL:b:h";
+const char * const optstring = "JRL:b:hV:";
 extern char *optarg;
 extern int optind;
 
@@ -33,11 +33,12 @@ void help()
 {
 	printf(
 "Options:\n"
-"  -J       Add Joliet support\n"
-"  -R       Add Rock Ridge support\n"
-"  -L <num> Set the ISO level (1 or 2)\n"
-"  -b file  Specifies a boot image to add to image\n"
-"  -h       Print this message\n"
+"  -J        Add Joliet support\n"
+"  -R        Add Rock Ridge support\n"
+"  -V label  Volume Label\n"
+"  -L <num>  Set the ISO level (1 or 2)\n"
+"  -b file   Specifies a boot image to add to image\n"
+"  -h        Print this message\n"
 );
 }
 
@@ -55,6 +56,7 @@ int main(int argc, char **argv)
 	struct iso_tree_radd_dir_behavior behav = {0,0,0};
 	int level=1, flags=0;
 	char *boot_img = NULL;
+	char *volid = "VOLID";
 
 	while ((c = getopt(argc, argv, optstring)) != -1) {
 		switch(c) {
@@ -75,6 +77,9 @@ int main(int argc, char **argv)
 		case 'b':
 			boot_img = optarg;
 			break;
+		case 'V':
+			volid = optarg;
+			break;
 		case '?':
 			usage();
 			exit(1);
@@ -108,7 +113,7 @@ int main(int argc, char **argv)
 	if (!root) {
 		err(1, "error opening input directory");
 	}
-	volume = iso_volume_new_with_root( "VOLID", "PUBID", "PREPID", root );
+	volume = iso_volume_new_with_root(volid, "PUBID", "PREPID", root);
 	
 	if ( boot_img ) {
 		/* adds El-Torito boot info. Tunned for isolinux */