1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * you may not use this file except in compliance with the License. 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * You may obtain a copy of the License at 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * See the License for the specific language governing permissions and 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * limitations under the License. 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#ifndef __CUTILS_PROPERTIES_H 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define __CUTILS_PROPERTIES_H 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#ifdef __cplusplus 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern "C" { 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* System properties are *small* name value pairs managed by the 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** property service. If your data doesn't fit in the provided 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** space it is not appropriate for a system property. 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** WARNING: system/bionic/include/sys/system_properties.h also defines 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** these, but with different names. (TODO: fix that) 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project*/ 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define PROPERTY_KEY_MAX 32 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define PROPERTY_VALUE_MAX 92 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* property_get: returns the length of the value which will never be 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** greater than PROPERTY_VALUE_MAX - 1 and will always be zero terminated. 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** (the length does not include the terminating zero). 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** If the property read fails or returns an empty value, the default 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project** value is used (if nonnull). 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project*/ 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint property_get(const char *key, char *value, const char *default_value); 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* property_set: returns 0 on success, < 0 on failure 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project*/ 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint property_set(const char *key, const char *value); 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint property_list(void (*propfn)(const char *key, const char *value, void *cookie), void *cookie); 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#ifdef HAVE_SYSTEM_PROPERTY_SERVER 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * We have an external property server instead of built-in libc support. 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Used by the simulator. 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define SYSTEM_PROPERTY_PIPE_NAME "/tmp/android-sysprop" 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectenum { 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project kSystemPropertyUnknown = 0, 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project kSystemPropertyGet, 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project kSystemPropertySet, 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project kSystemPropertyList 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif /*HAVE_SYSTEM_PROPERTY_SERVER*/ 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#ifdef __cplusplus 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 71