From: Franck Bui <fbui@suse.com>
Date: Fri, 20 Jul 2018 07:05:38 +0000 (+0200)
Subject: basic/stat-util: introduce is_dir_fd()
X-Git-Tag: v240~864^2~10
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a12e4ade1b7634f7286f53d9ce2b3a12ab17826e;p=thirdparty%2Fsystemd.git

basic/stat-util: introduce is_dir_fd()
---

diff --git a/src/basic/stat-util.c b/src/basic/stat-util.c
index 07154e25bb1..762777e94fb 100644
--- a/src/basic/stat-util.c
+++ b/src/basic/stat-util.c
@@ -45,6 +45,17 @@ int is_dir(const char* path, bool follow) {
         return !!S_ISDIR(st.st_mode);
 }
 
+int is_dir_fd(int fd) {
+        struct stat st;
+        int r;
+
+        r = fstat(fd, &st);
+        if (r < 0)
+                return -errno;
+
+        return !!S_ISDIR(st.st_mode);
+}
+
 int is_device_node(const char *path) {
         struct stat info;
 
diff --git a/src/basic/stat-util.h b/src/basic/stat-util.h
index f8014ed30b0..1a725f1da04 100644
--- a/src/basic/stat-util.h
+++ b/src/basic/stat-util.h
@@ -12,6 +12,7 @@
 
 int is_symlink(const char *path);
 int is_dir(const char *path, bool follow);
+int is_dir_fd(int fd);
 int is_device_node(const char *path);
 
 int dir_is_empty(const char *path);