From: Jaroslav Kysela <perex@perex.cz>
Date: Tue, 19 Nov 2019 09:55:29 +0000 (+0100)
Subject: conf: check for include path duplicates
X-Git-Tag: v1.2.1.1~7
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=c28618353b3f5d90e144bef56c52619ad8769520;p=alsa-lib.git

conf: check for include path duplicates

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/src/conf.c b/src/conf.c
index f9e9a395..e4306504 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -528,6 +528,17 @@ static inline void snd_config_unlock(void) { }
 static int add_include_path(struct filedesc *fd, const char *dir)
 {
 	struct include_path *path;
+	struct filedesc *fd1;
+	struct list_head *pos;
+
+	/* check, if dir is already registered (also in parents) */
+	for (fd1 = fd; fd1; fd1 = fd1->next) {
+		list_for_each(pos, &fd1->include_paths) {
+			path = list_entry(pos, struct include_path, list);
+			if (strcmp(path->dir, dir) == 0)
+				return 0;
+		}
+	}
 
 	path = calloc(1, sizeof(*path));
 	if (!path)