add .clang-format from Linux kernel and format sources

The exception is that ColumnLimit is 90.

src/path.h

@@ -12,39 +12,38 @@
 #include <ssh.h>
 
 struct path {
-	struct list_head	list;	/* mscp->path_list */
+	struct list_head list; /* mscp->path_list */
 
-	char	*path;		/* file path */
-	size_t	size;		/* size of file on this path */
-	mode_t	mode;		/* permission */
+	char *path; /* file path */
+	size_t size; /* size of file on this path */
+	mode_t mode; /* permission */
 
-	char	*dst_path;	/* copy dst path */
+	char *dst_path; /* copy dst path */
 
-	int	state;
-	lock	lock;
-	refcnt	refcnt;
+	int state;
+	lock lock;
+	refcnt refcnt;
 };
-#define FILE_STATE_INIT         0
-#define FILE_STATE_OPENED       1
-#define FILE_STATE_DONE         2
+#define FILE_STATE_INIT 0
+#define FILE_STATE_OPENED 1
+#define FILE_STATE_DONE 2
 
 struct chunk {
-	struct list_head	list;	/* chunk_pool->list */
+	struct list_head list; /* chunk_pool->list */
 
 	struct path *p;
-	size_t	off;	/* offset of this chunk on the file on path p */
-	size_t	len;	/* length of this chunk */
-	size_t	done;	/* copied bytes for this chunk by a thread */
+	size_t off; /* offset of this chunk on the file on path p */
+	size_t len; /* length of this chunk */
+	size_t done; /* copied bytes for this chunk by a thread */
 };
 
 struct chunk_pool {
-        struct list_head        list; /* list of struct chunk */
-	size_t			count;
-        lock                    lock;
-        int                     state;
+	struct list_head list; /* list of struct chunk */
+	size_t count;
+	lock lock;
+	int state;
 };
 
-
 /* initialize chunk pool */
 void chunk_pool_init(struct chunk_pool *cp);
 
@@ -53,7 +52,7 @@ void chunk_pool_init(struct chunk_pool *cp);
  * added, or pointer to chunk.
  */
 struct chunk *chunk_pool_pop(struct chunk_pool *cp);
-#define CHUNK_POP_WAIT ((void *) -1)
+#define CHUNK_POP_WAIT ((void *)-1)
 
 /* set and check fillingchunks to this pool has finished */
 void chunk_pool_set_filled(struct chunk_pool *cp);
@@ -68,24 +67,22 @@ bool chunk_pool_is_empty(struct chunk_pool *cp);
 /* free chunks in the chunk_pool */
 void chunk_pool_release(struct chunk_pool *cp);
 
-
-
 struct path_resolve_args {
-	size_t	*total_bytes;
+	size_t *total_bytes;
 
-        /* args to resolve src path to dst path */
-        const char      *src_path;
-        const char      *dst_path;
-        bool            src_path_is_dir;
-        bool            dst_path_is_dir;
-        bool            dst_path_should_dir;
+	/* args to resolve src path to dst path */
+	const char *src_path;
+	const char *dst_path;
+	bool src_path_is_dir;
+	bool dst_path_is_dir;
+	bool dst_path_should_dir;
 
-        /* args to resolve chunks for a path */
-        struct chunk_pool *cp;
-        int             nr_conn;
-        size_t          min_chunk_sz;
-        size_t          max_chunk_sz;
-	size_t		chunk_align;
+	/* args to resolve chunks for a path */
+	struct chunk_pool *cp;
+	int nr_conn;
+	size_t min_chunk_sz;
+	size_t max_chunk_sz;
+	size_t chunk_align;
 };
 
 /* recursivly walk through src_path and fill path_list for each file */