text: Handle cases that "-" appears more than once

Signed-off-by: jason23347 <jason23347@gmail.com>

src/text.c

@@ -96,7 +96,7 @@ main(int argc, char *argv[])
 {
 	char fn[MAX_STRING];
 	int do_search = 0;
-	search_t *search, *list;
+	search_t *search, *list, *tail;
 	search_t *tmp, *cur;
 	conf_t conf[1];
 	axel_t *axel;
@@ -248,27 +248,26 @@ main(int argc, char *argv[])
 		goto free_conf;
 	}
 
-	argv += optind;
-	/* if "-" is the only argument */
-	if (prealloc_num == 1 && argv[0][0] == '-' && !argv[0][1]) {
-		url_num = search_readlist(list, stdin);
-		if (url_num == 0) {
-			print_help();
-			goto free_conf;
-		}
-		tmp = list;
-		list = list->next;
-		free(tmp);
-	} else {
-		/* load URLs from argv and stdin */
-		tmp = cur = list;
-		for (; *argv; argv++) {
-			if (argv[0][0] == '-' && !argv[0][1]) {
-				/* add URL list from stdin to end of list */
-				/* "-" and the last node will be ignored */
-				url_num += search_readlist(list + prealloc_num - 2, stdin) - 1;
-				continue;
+	/* load URLs from argv and stdin */
+	tmp = cur = list;
+	tail = list + prealloc_num - 1;
+	for (argv += optind; *argv; argv++) {
+		if (argv[0][0] == '-' && !argv[0][1]) {
+			/* add URL list from stdin to end of list, "-"s will be ignored */
+			if (list + prealloc_num - 1 == tail) {
+				/* add nodes to end of the list */
+				url_num += search_readlist(list + prealloc_num - 1, stdin);
+			}
+			if (list == tail) { /* only "-"s in argument list */
+				list = list->next;
+				free(tail);
+			} else {
+				/* move forward, because "-" is ignored */
+				(tail - 1)->next = tail->next;
 			}
+			tail--;
+			url_num--;
+		} else {
 			/* add URL from argv */
 			strlcpy(tmp->url, *argv, sizeof(tmp->url));
 			cur->next = tmp++;