From: Michael Orlitzky <michael@orlitzky.com>
Date: Sun, 24 Jun 2018 22:25:56 +0000 (-0400)
Subject: src/libadacl.c: use strncat instead of strcat to appease clang-tidy.
X-Git-Tag: v0.4.1~1
X-Git-Url: http://gitweb.michael.orlitzky.com/?p=apply-default-acl.git;a=commitdiff_plain;h=d9a84af0c1e29146ce708a3f4db50b0f86865cf6

src/libadacl.c: use strncat instead of strcat to appease clang-tidy.
---

diff --git a/src/libadacl.c b/src/libadacl.c
index d2462c8..4ca60c0 100644
--- a/src/libadacl.c
+++ b/src/libadacl.c
@@ -1020,7 +1020,9 @@ int apply_default_acl(const char* path, bool recursive) {
   bool path_is_dots = strcmp(child, ".") == 0 || strcmp(child, "..") == 0;
   char dots_parent[6] = "../";
   if (path_is_dots) {
-    parent = strcat(dots_parent, child);
+    /* We know that "child" contains no more than two characters here, and
+       using strncat to enforce that belief keeps clang-tidy happy. */
+    parent = strncat(dots_parent, child, 2);
   }
 
   parent_fd = safe_open(parent, O_DIRECTORY | O_NOFOLLOW);