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sd-device: introduce device_clear_sysattr_cache()

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Yu Watanabe
2022-07-23 08:11:36 +09:00
parent 2829fca249
commit 5eb83e9000
2 changed files with 5 additions and 0 deletions
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src/libsystemd/sd-device/device-private.h
+1
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@@ -26,6 +26,7 @@ int device_get_devnode_mode(sd_device *device, mode_t *ret);
int device_get_devnode_uid(sd_device *device, uid_t *ret);
int device_get_devnode_gid(sd_device *device, gid_t *ret);
void device_clear_sysattr_cache(sd_device *device);
int device_cache_sysattr_value(sd_device *device, const char *key, char *value);
int device_get_cached_sysattr_value(sd_device *device, const char *key, const char **ret_value);
src/libsystemd/sd-device/sd-device.c
+4
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@@ -2044,6 +2044,10 @@ _public_ int sd_device_get_trigger_uuid(sd_device *device, sd_id128_t *ret) {
return 0;
}
void device_clear_sysattr_cache(sd_device *device) {
device->sysattr_values = hashmap_free(device->sysattr_values);
}
int device_cache_sysattr_value(sd_device *device, const char *key, char *value) {
_unused_ _cleanup_free_ char *old_value = NULL;
_cleanup_free_ char *new_key = NULL;