chiark / gitweb /
move udev_device_db to libudev
[elogind.git] / udev / udevadm-info.c
index 2f41b7adf77cd7bb9165fbbe17c639cc28467695..78c218eef0b22355d2d08a74c4d76a309b1f3a8a 100644 (file)
@@ -32,6 +32,7 @@
 
 static void print_all_attributes(struct udev_device *device, const char *key)
 {
+       struct udev *udev = udev_device_get_udev(device);
        DIR *dir;
        struct dirent *dent;
 
@@ -69,7 +70,7 @@ static void print_all_attributes(struct udev_device *device, const char *key)
                        while (len > 0 && isprint(value[len-1]))
                                len--;
                        if (len > 0) {
-                               dbg(info, "attribute value of '%s' non-printable, skip\n", dent->d_name);
+                               dbg(udev, "attribute value of '%s' non-printable, skip\n", dent->d_name);
                                continue;
                        }
 
@@ -129,39 +130,38 @@ static int print_device_chain(struct udev_device *device)
 static void print_record(struct udev_device *device)
 {
        size_t len;
+       const char *str;
        int i;
-       struct udev_list *list;
+       struct udev_list_entry *list_entry;
 
        printf("P: %s\n", udev_device_get_devpath(device));
 
        len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-       printf("N: %s\n", &udev_device_get_devnode(device)[len+1]);
+       str = udev_device_get_devnode(device);
+       if (str != NULL)
+               printf("N: %s\n", &str[len+1]);
 
-       i = device_get_devlink_priority(device);
+       i = udev_device_get_devlink_priority(device);
        if (i != 0)
                printf("L: %i\n", i);
 
-       i = device_get_num_fake_partitions(device);
+       i = udev_device_get_num_fake_partitions(device);
        if (i != 0)
                printf("A:%u\n", i);
 
-       i = device_get_ignore_remove(device);
+       i = udev_device_get_ignore_remove(device);
        if (i != 0)
                printf("R:%u\n", i);
 
-       list = udev_device_get_devlinks_list(device);
-       while (list != NULL) {
+       udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
                len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-               printf("S: %s\n", &udev_list_get_name(list)[len+1]);
-               list = udev_list_get_next(list);
-       }
-
-       list = udev_device_get_properties_list(device);
-       while (list != NULL) {
-               printf("E: %s=%s\n", udev_list_get_name(list), udev_list_get_value(list));
-               list = udev_list_get_next(list);
+               printf("S: %s\n", &udev_list_entry_get_name(list_entry)[len+1]);
        }
 
+       udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
+               printf("E: %s=%s\n",
+                      udev_list_entry_get_name(list_entry),
+                      udev_list_entry_get_value(list_entry));
        printf("\n");
 }
 
@@ -186,25 +186,24 @@ static int stat_device(const char *name, int export, const char *prefix)
 
 static int export_devices(struct udev *udev)
 {
-       struct udev_enumerate *enumerate;
-       struct udev_list *list;
+       struct udev_enumerate *udev_enumerate;
+       struct udev_list_entry *list_entry;
 
-       enumerate = udev_enumerate_new_from_subsystems(udev, NULL);
-       if (enumerate == NULL)
+       udev_enumerate = udev_enumerate_new(udev);
+       if (udev_enumerate == NULL)
                return -1;
-       list = udev_enumerate_get_list(enumerate);
-       while (list != NULL) {
+       udev_enumerate_scan_devices(udev_enumerate);
+       udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) {
                struct udev_device *device;
 
-               device = udev_device_new_from_syspath(udev, udev_list_get_name(list));
+               device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry));
                if (device != NULL) {
                        if (udev_device_get_devnode(device) != NULL)
                                print_record(device);
                        udev_device_unref(device);
                }
-               list = udev_list_get_next(list);
        }
-       udev_enumerate_unref(enumerate);
+       udev_enumerate_unref(udev_enumerate);
        return 0;
 }
 
@@ -216,21 +215,21 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
        const char *export_prefix = NULL;
        char path[UTIL_PATH_SIZE];
        char name[UTIL_PATH_SIZE];
-       struct udev_list *list;
+       struct udev_list_entry *list_entry;
        int rc = 0;
 
        static const struct option options[] = {
-               { "name", 1, NULL, 'n' },
-               { "path", 1, NULL, 'p' },
-               { "query", 1, NULL, 'q' },
-               { "attribute-walk", 0, NULL, 'a' },
-               { "export-db", 0, NULL, 'e' },
-               { "root", 0, NULL, 'r' },
-               { "device-id-of-file", 1, NULL, 'd' },
-               { "export", 0, NULL, 'x' },
-               { "export-prefix", 1, NULL, 'P' },
-               { "version", 0, NULL, 1 }, /* -V outputs braindead format */
-               { "help", 0, NULL, 'h' },
+               { "name", required_argument, NULL, 'n' },
+               { "path", required_argument, NULL, 'p' },
+               { "query", required_argument, NULL, 'q' },
+               { "attribute-walk", no_argument, NULL, 'a' },
+               { "export-db", no_argument, NULL, 'e' },
+               { "root", no_argument, NULL, 'r' },
+               { "device-id-of-file", required_argument, NULL, 'd' },
+               { "export", no_argument, NULL, 'x' },
+               { "export-prefix", required_argument, NULL, 'P' },
+               { "version", no_argument, NULL, 1 }, /* -V outputs braindead format */
+               { "help", no_argument, NULL, 'h' },
                {}
        };
 
@@ -306,7 +305,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
                                rc = 2;
                                goto exit;
                        }
-                       /* add /sys if needed */
+                       /* add sys dir if needed */
                        if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
                                util_strlcpy(path, udev_get_sys_path(udev), sizeof(path));
                                util_strlcat(path, optarg, sizeof(path));
@@ -344,7 +343,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
                                break;
                        }
                        fprintf(stderr, "unknown query type\n");
-                       rc = 2;
+                       rc = 3;
                        goto exit;
                case 'r':
                        if (action == ACTION_NONE)
@@ -410,24 +409,31 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
                                printf("%s\n", udev_device_get_devnode(device));
                        } else {
                                size_t len;
+                               const char *node;
 
                                len = strlen(udev_get_dev_path(udev));
-                               printf("%s\n", &udev_device_get_devnode(device)[len+1]);
+                               node = udev_device_get_devnode(device);
+                               if (node == NULL) {
+                                       fprintf(stderr, "no device node found\n");
+                                       rc = 5;
+                                       goto exit;
+                               }
+                                       printf("%s\n", &udev_device_get_devnode(device)[len+1]);
                        }
                        break;
                case QUERY_SYMLINK:
-                       list = udev_device_get_devlinks_list(device);
-                       while (list != NULL) {
+                       list_entry = udev_device_get_devlinks_list_entry(device);
+                       while (list_entry != NULL) {
                                if (root) {
-                                       printf("%s", udev_list_get_name(list));
+                                       printf("%s", udev_list_entry_get_name(list_entry));
                                } else {
                                        size_t len;
 
                                        len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
-                                       printf("%s", &udev_list_get_name(list)[len+1]);
+                                       printf("%s", &udev_list_entry_get_name(list_entry)[len+1]);
                                }
-                               list = udev_list_get_next(list);
-                               if (list != NULL)
+                               list_entry = udev_list_entry_get_next(list_entry);
+                               if (list_entry != NULL)
                                        printf(" ");
                        }
                        printf("\n");
@@ -436,10 +442,10 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
                        printf("%s\n", udev_device_get_devpath(device));
                        goto exit;
                case QUERY_ENV:
-                       list = udev_device_get_properties_list(device);
-                       while (list != NULL) {
-                               printf("%s=%s\n", udev_list_get_name(list), udev_list_get_value(list));
-                               list = udev_list_get_next(list);
+                       list_entry = udev_device_get_properties_list_entry(device);
+                       while (list_entry != NULL) {
+                               printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+                               list_entry = udev_list_entry_get_next(list_entry);
                        }
                        break;
                case QUERY_ALL:
@@ -453,14 +459,14 @@ int udevadm_info(struct udev *udev, int argc, char *argv[])
        case ACTION_ATTRIBUTE_WALK:
                if (device == NULL) {
                        fprintf(stderr, "query needs a valid device specified by --path= or --name=\n");
-                       rc = 5;
+                       rc = 4;
                        goto exit;
                }
                print_device_chain(device);
                break;
        case ACTION_DEVICE_ID_FILE:
                if (stat_device(name, export, export_prefix) != 0)
-                       rc = 6;
+                       rc = 1;
                break;
        case ACTION_ROOT:
                printf("%s\n", udev_get_dev_path(udev));