From: John Crispin <blogic@openwrt.org>
Date: Wed, 26 Aug 2015 01:54:46 +0000 (+0200)
Subject: overlay: use lstat rather than stat and make sure there are no trailing spaces
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=cc63723d886fde2cd364a545b7cb05b70721b83f;p=oweals%2Ffstools.git

overlay: use lstat rather than stat and make sure there are no trailing spaces

with this patch even uclibc wont deleted symlinked folders

Signed-off-by: John Crispin <blogic@openwrt.org>
---

diff --git a/libfstools/overlay.c b/libfstools/overlay.c
index d6c311b..7f69606 100644
--- a/libfstools/overlay.c
+++ b/libfstools/overlay.c
@@ -78,10 +78,16 @@ foreachdir(const char *dir, int (*cb)(const char*))
 		snprintf(globdir, 256, "%s/*", dir); /**/
 
 	if (!glob(globdir, GLOB_NOESCAPE | GLOB_MARK | GLOB_ONLYDIR, NULL, &gl))
-		for (j = 0; j < gl.gl_pathc; j++)
-			if (!stat(gl.gl_pathv[j], &s) && !S_ISLNK(s.st_mode))
-				foreachdir(gl.gl_pathv[j], cb);
+		for (j = 0; j < gl.gl_pathc; j++) {
+			char *dir = gl.gl_pathv[j];
+			int len = strlen(gl.gl_pathv[j]);
+
+			if (len > 1 && dir[len - 1] == '/')
+				dir[len - 1] = '\0';
 
+			if (!lstat(gl.gl_pathv[j], &s) && !S_ISLNK(s.st_mode))
+				foreachdir(gl.gl_pathv[j], cb);
+	}
 	cb(dir);
 }