remove static local variable

diff --git a/udev/udev-watch.c b/udev/udev-watch.c
index 8d6cef6ac8103cdb9df7f53f1e3825117d5191db..a581f02cb52647ae931424611fde87ca45760e5c 100644 (file)
--- a/udev/udev-watch.c
+++ b/udev/udev-watch.c
@@ -124,22 +124,9 @@ void udev_watch_restore(struct udev *udev)
        }
 }
 
-static const char *udev_watch_filename(struct udev *udev, int wd)
-{
-       static char filename[UTIL_PATH_SIZE];
-       char str[32];
-
-       sprintf(str, "%d", wd);
-       util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
-       util_strlcat(filename, "/.udev/watch/", sizeof(filename));
-       util_strlcat(filename, str, sizeof(filename));
-
-       return filename;
-}
-
 void udev_watch_begin(struct udev *udev, struct udev_device *dev)
 {
-       const char *filename;
+       char filename[UTIL_PATH_SIZE];
        int wd;
 
        if (inotify_fd < 0 || major(udev_device_get_devnum(dev)) == 0)
@@ -152,7 +139,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev)
                    inotify_fd, udev_device_get_devnode(dev), IN_CLOSE_WRITE);
        }
 
-       filename = udev_watch_filename(udev, wd);
+       snprintf(filename, sizeof(filename), "%s/.udev/watch/%d", udev_get_dev_path(udev), wd);
        util_create_path(udev, filename);
        unlink(filename);
        symlink(udev_device_get_syspath(dev), filename);
@@ -164,7 +151,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev)
 void udev_watch_end(struct udev *udev, struct udev_device *dev)
 {
        int wd;
-       const char *filename;
+       char filename[UTIL_PATH_SIZE];
 
        if (inotify_fd < 0 || major(udev_device_get_devnum(dev)) == 0)
                return;
@@ -176,7 +163,7 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev)
        info(udev, "removing watch on '%s'\n", udev_device_get_devnode(dev));
        inotify_rm_watch(inotify_fd, wd);
 
-       filename = udev_watch_filename(udev, wd);
+       snprintf(filename, sizeof(filename), "%s/.udev/watch/%d", udev_get_dev_path(udev), wd);
        unlink(filename);
 
        udev_device_set_watch_handle(dev, -1);
@@ -185,14 +172,14 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev)
 
 struct udev_device *udev_watch_lookup(struct udev *udev, int wd)
 {
-       const char *filename;
+       char filename[UTIL_PATH_SIZE];
        char buf[UTIL_PATH_SIZE];
        ssize_t len;
 
        if (inotify_fd < 0 || wd < 0)
                return NULL;
 
-       filename = udev_watch_filename(udev, wd);
+       snprintf(filename, sizeof(filename), "%s/.udev/watch/%d", udev_get_dev_path(udev), wd);
        len = readlink(filename, buf, sizeof(buf));
        if (len > 0) {
                buf[len] = '\0';