[Tarantool-patches] [PATCH 3/6] xlog: xdir -- use PATH_MAX for dirname

[Cyrill Gorcunov]

The PATH_MAX is the longest path including end
of string, no need for +1 byte.

Same time use sizeof(dirname) to not bound how
exactly dirname is declared.

Signed-off-by: Cyrill Gorcunov <gorcunov at gmail.com>
---
 src/box/xlog.c | 2 +-
 src/box/xlog.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/box/xlog.c b/src/box/xlog.c
index 8254cce20..8b2818326 100644
--- a/src/box/xlog.c
+++ b/src/box/xlog.c
@@ -335,7 +335,7 @@ xdir_create(struct xdir *dir, const char *dirname, enum xdir_type type,
 	/* Default mode. */
 	dir->mode = 0660;
 	dir->instance_uuid = instance_uuid;
-	snprintf(dir->dirname, PATH_MAX, "%s", dirname);
+	snprintf(dir->dirname, sizeof(dir->dirname), "%s", dirname);
 	dir->open_wflags = 0;
 	switch (type) {
 	case SNAP:
diff --git a/src/box/xlog.h b/src/box/xlog.h
index 47df3a549..329d78c77 100644
--- a/src/box/xlog.h
+++ b/src/box/xlog.h
@@ -162,7 +162,7 @@ struct xdir {
 	/**
 	 * Directory path.
 	 */
-	char dirname[PATH_MAX+1];
+	char dirname[PATH_MAX];
 	/** Snapshots or xlogs */
 	enum xdir_type type;
 };
-- 
2.26.2