1 /* 2 * Copyright 2013, 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 BCC_SUPPORT_PROPERTIES_H 18 #define BCC_SUPPORT_PROPERTIES_H 19 20 #include <stdint.h> 21 #include <stdlib.h> 22 23 #ifdef __ANDROID__ 24 #include <sys/system_properties.h> 25 // TODO: Use rsCppUtils.cpp once the two projects are merged. 26 // Currently this implementation is copied over from 27 // frameworks/rs/rsCppUtils.cpp 28 static inline int property_get(const char *key, char *value, const char *default_value) { 29 int len; 30 len = __system_property_get(key, value); 31 if (len > 0) { 32 return len; 33 } 34 35 if (default_value) { 36 len = strlen(default_value); 37 memcpy(value, default_value, len + 1); 38 } 39 return len; 40 } 41 #endif 42 43 static inline uint32_t getProperty(const char *str) { 44 #ifdef __ANDROID__ 45 char buf[PROP_VALUE_MAX]; 46 property_get(str, buf, "0"); 47 return atoi(buf); 48 #else 49 return 0; 50 #endif 51 } 52 53 #endif // BCC_SUPPORT_PROPERTIES_H 54
