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author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
commit | 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53 (patch) | |
tree | 54fd1b2695a591d2306d41264df67c53077b752c /include/cutils/properties.h | |
download | system_core-4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53.zip system_core-4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53.tar.gz system_core-4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53.tar.bz2 |
Initial Contribution
Diffstat (limited to 'include/cutils/properties.h')
-rw-r--r-- | include/cutils/properties.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/include/cutils/properties.h b/include/cutils/properties.h new file mode 100644 index 0000000..25fd67a --- /dev/null +++ b/include/cutils/properties.h @@ -0,0 +1,70 @@ +/* + * 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 |