diff options
Diffstat (limited to 'libudev/libudev-device-private.c')
| -rw-r--r-- | libudev/libudev-device-private.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/libudev/libudev-device-private.c b/libudev/libudev-device-private.c index 5e4381ec27..13f1ebf883 100644 --- a/libudev/libudev-device-private.c +++ b/libudev/libudev-device-private.c @@ -1,7 +1,7 @@ /* * libudev - interface to udev device information * - * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org> + * Copyright (C) 2008-2010 Kay Sievers <kay.sievers@vrfy.org> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -13,6 +13,7 @@ #include <stdio.h> #include <string.h> #include <stddef.h> +#include <stdbool.h> #include <unistd.h> #include <fcntl.h> #include <string.h> @@ -21,6 +22,37 @@ #include "libudev.h" #include "libudev-private.h" +static int udev_device_tag_index(struct udev_device *udev_device, bool add) +{ + struct udev *udev = udev_device_get_udev(udev_device); + struct udev_list_entry *list_entry; + + udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device)) { + char filename[UTIL_PATH_SIZE]; + + util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/tags/", + udev_list_entry_get_name(list_entry), "/", + udev_device_get_subsystem(udev_device), ":", udev_device_get_sysname(udev_device), NULL); + + if (add) { + util_create_path(udev, filename); + symlink(udev_device_get_devpath(udev_device), filename); + if (udev_device_get_sysname_old(udev_device) != NULL) { + char filename_old[UTIL_PATH_SIZE]; + + util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/tags/", + udev_list_entry_get_name(list_entry), + udev_device_get_subsystem(udev_device), ":", udev_device_get_sysname_old(udev_device), NULL); + unlink(filename_old); + } + } else { + unlink(filename); + util_delete_path(udev, filename); + } + } + return 0; +} + int udev_device_update_db(struct udev_device *udev_device) { struct udev *udev = udev_device_get_udev(udev_device); @@ -41,6 +73,8 @@ int udev_device_update_db(struct udev_device *udev_device) udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(udev_device)) if (udev_list_entry_get_flags(list_entry)) goto file; + if (udev_device_get_tags_list_entry(udev_device) != NULL) + goto file; if (udev_device_get_devlink_priority(udev_device) != 0) goto file; if (udev_device_get_event_timeout(udev_device) >= 0) @@ -80,7 +114,7 @@ file: if (f == NULL) { err(udev, "unable to create temporary db file '%s': %m\n", filename_tmp); return -1; - } + } if (udev_device_get_devnode(udev_device) != NULL) { fprintf(f, "N:%s\n", &udev_device_get_devnode(udev_device)[devlen]); @@ -100,10 +134,13 @@ file: udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry)); } + udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(udev_device)) + fprintf(f, "G:%s\n", udev_list_entry_get_name(list_entry)); fclose(f); rename(filename_tmp, filename); info(udev, "created db file for '%s' in '%s'\n", udev_device_get_devpath(udev_device), filename); out: + udev_device_tag_index(udev_device, true); return 0; } @@ -112,6 +149,7 @@ int udev_device_delete_db(struct udev_device *udev_device) struct udev *udev = udev_device_get_udev(udev_device); char filename[UTIL_PATH_SIZE]; + udev_device_tag_index(udev_device, false); util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/db/", udev_device_get_subsystem(udev_device), ":", udev_device_get_sysname(udev_device), NULL); unlink(filename); @@ -124,9 +162,13 @@ int udev_device_rename_db(struct udev_device *udev_device) char filename_old[UTIL_PATH_SIZE]; char filename[UTIL_PATH_SIZE]; + if (strcmp(udev_device_get_sysname(udev_device), udev_device_get_sysname_old(udev_device)) == 0) + return 0; + util_strscpyl(filename_old, sizeof(filename_old), udev_get_dev_path(udev), "/.udev/db/", udev_device_get_subsystem(udev_device), ":", udev_device_get_sysname_old(udev_device), NULL); util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/db/", udev_device_get_subsystem(udev_device), ":", udev_device_get_sysname(udev_device), NULL); + udev_device_tag_index(udev_device, true); return rename(filename_old, filename); } |