You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
2.1 KiB
84 lines
2.1 KiB
From ee9dcf9549e8cbfeb51123812776cc87016c95b0 Mon Sep 17 00:00:00 2001
|
|
From: Mateusz Grzonka <mateusz.grzonka@intel.com>
|
|
Date: Thu, 2 Feb 2023 12:27:02 +0100
|
|
Subject: [PATCH 090/125] Add helpers to determine whether directories or files
|
|
are soft links
|
|
|
|
Signed-off-by: Mateusz Grzonka <mateusz.grzonka@intel.com>
|
|
Acked-by: Coly Li <colyli@suse.de>
|
|
Signed-off-by: Jes Sorensen <jes@trained-monkey.org>
|
|
---
|
|
mdadm.h | 2 ++
|
|
util.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
|
|
2 files changed, 47 insertions(+)
|
|
|
|
diff --git a/mdadm.h b/mdadm.h
|
|
index 13f8b4cb..1674ce13 100644
|
|
--- a/mdadm.h
|
|
+++ b/mdadm.h
|
|
@@ -1777,6 +1777,8 @@ extern void set_dlm_hooks(void);
|
|
#define MSEC_TO_NSEC(msec) ((msec) * 1000000)
|
|
#define USEC_TO_NSEC(usec) ((usec) * 1000)
|
|
extern void sleep_for(unsigned int sec, long nsec, bool wake_after_interrupt);
|
|
+extern bool is_directory(const char *path);
|
|
+extern bool is_file(const char *path);
|
|
|
|
#define _ROUND_UP(val, base) (((val) + (base) - 1) & ~(base - 1))
|
|
#define ROUND_UP(val, base) _ROUND_UP(val, (typeof(val))(base))
|
|
diff --git a/util.c b/util.c
|
|
index 8c7f3fd5..7fc881bf 100644
|
|
--- a/util.c
|
|
+++ b/util.c
|
|
@@ -2401,3 +2401,48 @@ void sleep_for(unsigned int sec, long nsec, bool wake_after_interrupt)
|
|
}
|
|
} while (!wake_after_interrupt && errno == EINTR);
|
|
}
|
|
+
|
|
+/* is_directory() - Checks if directory provided by path is indeed a regular directory.
|
|
+ * @path: directory path to be checked
|
|
+ *
|
|
+ * Doesn't accept symlinks.
|
|
+ *
|
|
+ * Return: true if is a directory, false if not
|
|
+ */
|
|
+bool is_directory(const char *path)
|
|
+{
|
|
+ struct stat st;
|
|
+
|
|
+ if (lstat(path, &st) != 0) {
|
|
+ pr_err("%s: %s\n", strerror(errno), path);
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ if (!S_ISDIR(st.st_mode))
|
|
+ return false;
|
|
+
|
|
+ return true;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * is_file() - Checks if file provided by path is indeed a regular file.
|
|
+ * @path: file path to be checked
|
|
+ *
|
|
+ * Doesn't accept symlinks.
|
|
+ *
|
|
+ * Return: true if is a file, false if not
|
|
+ */
|
|
+bool is_file(const char *path)
|
|
+{
|
|
+ struct stat st;
|
|
+
|
|
+ if (lstat(path, &st) != 0) {
|
|
+ pr_err("%s: %s\n", strerror(errno), path);
|
|
+ return false;
|
|
+ }
|
|
+
|
|
+ if (!S_ISREG(st.st_mode))
|
|
+ return false;
|
|
+
|
|
+ return true;
|
|
+}
|
|
--
|
|
2.38.1
|
|
|