files: Named constant for cwd fdinfo

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>

cr-dump.c

@@ -148,7 +148,7 @@ static int dump_cwd(int pid_dir, struct cr_fdset *cr_fdset)
 	int ret = -1;
 	int fd;
 	struct fd_parms p = {
-		.fd_name = ~0L,
+		.fd_name = FDINFO_CWD,
 		.pos = 0,
 		.flags = 0,
 		.id = NULL,

files.c

@@ -180,7 +180,7 @@ int prepare_fd_pid(int pid)
 
 		if (e.type == FDINFO_MAP)
 			continue;
-		if (e.addr == -1)
+		if (e.addr == FDINFO_CWD)
 			continue;
 		if (collect_fd(pid, &e))
 			return -1;
@@ -529,12 +529,12 @@ int prepare_fds(int pid)
 					if (open_fmap(pid, &fe, fdinfo_fd))
 						goto err;
 					continue;
-				} else if (fe.addr == ~0L) {
+				} else if (fe.addr == FDINFO_CWD) {
 					if (restore_cwd(&fe, fdinfo_fd))
 						goto err;
 					continue;
 				}
-			} else if (fe.type == FDINFO_MAP || fe.addr == ~0L) {
+			} else if (fe.type == FDINFO_MAP || fe.addr == FDINFO_CWD) {
 				lseek(fdinfo_fd, fe.len, SEEK_CUR);
 				continue;
 			}

include/image.h

@@ -17,6 +17,8 @@
 #define FDINFO_FD	1
 #define FDINFO_MAP	2
 
+#define FDINFO_CWD	(~0ULL)
+
 #define PAGE_IMAGE_SIZE	4096
 #define PAGE_RSS	1
 #define PAGE_ANON	2