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Diffstat (limited to 'udev/udev-watch.c')
-rw-r--r--udev/udev-watch.c25
1 files changed, 6 insertions, 19 deletions
diff --git a/udev/udev-watch.c b/udev/udev-watch.c
index 8d6cef6ac8..a581f02cb5 100644
--- 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';