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udev/udev-watch: calculate the real buffer sizes needed

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2016-11-02 22:05:48 -04:00
parent a6eccc3647
commit e02c613560
2 changed files with 5 additions and 5 deletions
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4
src/udev/udev-node.c
View File

@ -337,7 +337,7 @@ out:
void udev_node_add(struct udev_device *dev, bool apply,
mode_t mode, uid_t uid, gid_t gid,
struct udev_list *seclabel_list) {
char filename[UTIL_PATH_SIZE];
char filename[sizeof("/dev/block/:") + 2*DECIMAL_STR_MAX(unsigned)];
struct udev_list_entry *list_entry;
log_debug("handling device node '%s', devnum=%s, mode=%#o, uid="UID_FMT", gid="GID_FMT,
@ -360,7 +360,7 @@ void udev_node_add(struct udev_device *dev, bool apply,
void udev_node_remove(struct udev_device *dev) {
struct udev_list_entry *list_entry;
char filename[UTIL_PATH_SIZE];
char filename[sizeof("/dev/block/:") + 2*DECIMAL_STR_MAX(unsigned)];
/* remove/update symlinks, remove symlinks from name index */
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(dev))

6
src/udev/udev-watch.c
View File

@ -89,7 +89,7 @@ unlink:
}
void udev_watch_begin(struct udev *udev, struct udev_device *dev) {
char filename[UTIL_PATH_SIZE];
char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)];
int wd;
int r;
@ -116,7 +116,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev) {
void udev_watch_end(struct udev *udev, struct udev_device *dev) {
int wd;
char filename[UTIL_PATH_SIZE];
char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)];
if (inotify_fd < 0)
return;
@ -135,7 +135,7 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev) {
}
struct udev_device *udev_watch_lookup(struct udev *udev, int wd) {
char filename[UTIL_PATH_SIZE];
char filename[sizeof("/run/udev/watch/") + DECIMAL_STR_MAX(int)];
char device[UTIL_NAME_SIZE];
ssize_t len;