1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _INIT_PROPERTY_H 18 #define _INIT_PROPERTY_H 19 20 #include <stdbool.h> 21 #include <sys/system_properties.h> 22 23 extern void handle_property_set_fd(void); 24 extern void property_init(void); 25 extern void property_load_boot_defaults(void); 26 extern void load_persist_props(void); 27 extern void load_all_props(void); 28 extern void start_property_service(void); 29 void get_property_workspace(int *fd, int *sz); 30 extern int __property_get(const char *name, char *value); 31 extern int property_set(const char *name, const char *value); 32 extern int properties_inited(); 33 int get_property_set_fd(void); 34 35 extern void __property_get_size_error() 36 __attribute__((__error__("property_get called with too small buffer"))); 37 38 static inline 39 __attribute__ ((always_inline)) 40 __attribute__ ((gnu_inline)) 41 __attribute__ ((artificial)) 42 int property_get(const char *name, char *value) 43 { 44 size_t value_len = __builtin_object_size(value, 0); 45 if (value_len != PROP_VALUE_MAX) 46 __property_get_size_error(); 47 48 return __property_get(name, value); 49 } 50 51 #endif /* _INIT_PROPERTY_H */ 52