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libudev: device - generate DEVNAME and DEVLINKS properties

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This commit is contained in:
Kay Sievers 2008-10-11 18:40:33 +02:00
parent df1dcc09ef
commit 9a997ecf4e
1 changed files with 20 additions and 6 deletions
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26
udev/lib/libudev-device.c
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@ -56,14 +56,14 @@ struct udev_device {
int info_loaded;
};
static size_t syspath_to_db_path(struct udev_device *udev_device, char *filename, size_t len)
static size_t devpath_to_db_path(struct udev *udev, const char *devpath, char *filename, size_t len)
{
size_t start;
/* translate to location of db file */
util_strlcpy(filename, udev_get_dev_path(udev_device->udev), len);
util_strlcpy(filename, udev_get_dev_path(udev), len);
start = util_strlcat(filename, "/.udev/db/", len);
util_strlcat(filename, udev_device->devpath, len);
util_strlcat(filename, devpath, len);
return util_path_encode(&filename[start], len - start);
}
@ -74,7 +74,7 @@ static int device_read_db(struct udev_device *udev_device)
char line[UTIL_LINE_SIZE];
FILE *f;
syspath_to_db_path(udev_device, filename, sizeof(filename));
devpath_to_db_path(udev_device->udev, udev_device->devpath, filename, sizeof(filename));
if (lstat(filename, &stats) != 0) {
info(udev_device->udev, "no db file to read %s: %m\n", filename);
@ -857,6 +857,7 @@ int udev_device_set_syspath(struct udev_device *udev_device, const char *syspath
if (udev_device->syspath == NULL)
return -ENOMEM;
udev_device->devpath = &udev_device->syspath[strlen(udev_get_sys_path(udev_device->udev))];
udev_device_add_property(udev_device, "DEVPATH", udev_device->devpath);
pos = strrchr(udev_device->syspath, '/');
if (pos == NULL)
return -EINVAL;
@ -868,7 +869,8 @@ int udev_device_set_subsystem(struct udev_device *udev_device, const char *subsy
{
udev_device->subsystem = strdup(subsystem);
if (udev_device->subsystem == NULL)
return -1;
return -ENOMEM;
udev_device_add_property(udev_device, "SUBSYSTEM", udev_device->subsystem);
return 0;
}
@ -877,13 +879,26 @@ int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode
udev_device->devnode = strdup(devnode);
if (udev_device->devnode == NULL)
return -ENOMEM;
udev_device_add_property(udev_device, "DEVNODE", udev_device->devnode);
return 0;
}
int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink)
{
char symlinks[UTIL_PATH_SIZE];
struct udev_list_entry *list_entry;
if (udev_list_entry_add(udev_device->udev, &udev_device->devlink_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;
}
@ -1027,4 +1042,3 @@ int udev_device_set_ignore_remove(struct udev_device *udev_device, int ignore)
udev_device->ignore_remove = ignore;
return 0;
}