70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
|
|
* Copyright (C) 2006 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef __CUTILS_PROPERTIES_H
|
|
#define __CUTILS_PROPERTIES_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* System properties are *small* name value pairs managed by the
|
|
** property service. If your data doesn't fit in the provided
|
|
** space it is not appropriate for a system property.
|
|
**
|
|
** WARNING: system/bionic/include/sys/system_properties.h also defines
|
|
** these, but with different names. (TODO: fix that)
|
|
*/
|
|
#define PROPERTY_KEY_MAX 32
|
|
#define PROPERTY_VALUE_MAX 92
|
|
|
|
/* property_get: returns the length of the value which will never be
|
|
** greater than PROPERTY_VALUE_MAX - 1 and will always be zero terminated.
|
|
** (the length does not include the terminating zero).
|
|
**
|
|
** If the property read fails or returns an empty value, the default
|
|
** value is used (if nonnull).
|
|
*/
|
|
int property_get(const char *key, char *value, const char *default_value);
|
|
|
|
/* property_set: returns 0 on success, < 0 on failure
|
|
*/
|
|
int property_set(const char *key, const char *value);
|
|
|
|
int property_list(void (*propfn)(const char *key, const char *value, void *cookie), void *cookie);
|
|
|
|
|
|
#ifdef HAVE_SYSTEM_PROPERTY_SERVER
|
|
/*
|
|
* We have an external property server instead of built-in libc support.
|
|
* Used by the simulator.
|
|
*/
|
|
#define SYSTEM_PROPERTY_PIPE_NAME "/tmp/android-sysprop"
|
|
|
|
enum {
|
|
kSystemPropertyUnknown = 0,
|
|
kSystemPropertyGet,
|
|
kSystemPropertySet,
|
|
kSystemPropertyList
|
|
};
|
|
#endif /*HAVE_SYSTEM_PROPERTY_SERVER*/
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|