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libudev: update DEVLINKS property when properties are read

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This commit is contained in:
Kay Sievers 2008-10-15 16:56:06 +02:00
parent 1e61ff54f5
commit bd85566c16
2 changed files with 23 additions and 12 deletions
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34
udev/lib/libudev-device.c
View File

@ -42,6 +42,7 @@ struct udev_device {
char *devnode;
char *subsystem;
struct udev_list_node devlinks_list;
int devlinks_uptodate;
struct udev_list_node properties_list;
char *envp[128];
int envp_uptodate;
@ -176,7 +177,7 @@ static int device_read_db(struct udev_device *udev_device)
return 0;
}
static int device_read_uevent_file(struct udev_device *udev_device)
int udev_device_read_uevent_file(struct udev_device *udev_device)
{
char filename[UTIL_PATH_SIZE];
FILE *f;
@ -215,7 +216,7 @@ static int device_read_uevent_file(struct udev_device *udev_device)
static void device_load_info(struct udev_device *device)
{
device->info_loaded = 1;
device_read_uevent_file(device);
udev_device_read_uevent_file(device);
device_read_db(device);
}
@ -737,6 +738,7 @@ struct udev_list_entry *udev_device_get_devlinks_list_entry(struct udev_device *
void udev_device_cleanup_devlinks_list(struct udev_device *udev_device)
{
udev_device->devlinks_uptodate = 0;
udev_list_cleanup(udev_device->udev, &udev_device->devlinks_list);
}
@ -758,6 +760,21 @@ struct udev_list_entry *udev_device_get_properties_list_entry(struct udev_device
return NULL;
if (!udev_device->info_loaded)
device_load_info(udev_device);
if (!udev_device->devlinks_uptodate) {
char symlinks[UTIL_PATH_SIZE];
struct udev_list_entry *list_entry;
udev_device->devlinks_uptodate = 1;
list_entry = udev_device_get_devlinks_list_entry(udev_device);
if (list_entry != NULL) {
util_strlcpy(symlinks, udev_list_entry_get_name(list_entry), sizeof(symlinks));
udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) {
util_strlcat(symlinks, " ", sizeof(symlinks));
util_strlcat(symlinks, udev_list_entry_get_name(list_entry), sizeof(symlinks));
}
udev_device_add_property(udev_device, "DEVLINKS", symlinks);
}
}
return udev_list_get_entry(&udev_device->properties_list);
}
@ -929,6 +946,8 @@ int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode
{
free(udev_device->devnode);
udev_device->devnode = strdup(devnode);
if (devnode == NULL)
return 0;
if (udev_device->devnode == NULL)
return -ENOMEM;
udev_device_add_property(udev_device, "DEVNAME", udev_device->devnode);
@ -937,18 +956,9 @@ int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode
int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink)
{
char symlinks[UTIL_PATH_SIZE];
struct udev_list_entry *list_entry;
udev_device->devlinks_uptodate = 0;
if (udev_list_entry_add(udev_device->udev, &udev_device->devlinks_list, devlink, NULL, 1, 0) == NULL)
return -ENOMEM;
list_entry = udev_device_get_devlinks_list_entry(udev_device);
util_strlcpy(symlinks, udev_list_entry_get_name(list_entry), sizeof(symlinks));
udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry)) {
util_strlcat(symlinks, " ", sizeof(symlinks));
util_strlcat(symlinks, udev_list_entry_get_name(list_entry), sizeof(symlinks));
}
udev_device_add_property(udev_device, "DEVLINKS", symlinks);
return 0;
}

1
udev/lib/libudev-private.h
View File

@ -60,6 +60,7 @@ extern void udev_device_cleanup_devlinks_list(struct udev_device *udev_device);
extern struct udev_list_entry *udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value);
extern struct udev_list_entry *udev_device_add_property_from_string(struct udev_device *udev_device, const char *property);
extern char **udev_device_get_properties_envp(struct udev_device *udev_device);
extern int udev_device_read_uevent_file(struct udev_device *udev_device);
extern int udev_device_set_action(struct udev_device *udev_device, const char *action);
extern int udev_device_set_driver(struct udev_device *udev_device, const char *driver);
extern const char *udev_device_get_devpath_old(struct udev_device *udev_device);