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      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