a5a860ef20
Verify that the buffer passed as the value parameter to property_get
is always big enough.
(cherry picked from commit 88ac54a4e8)
Change-Id: Iacc2b42bfe4069e0bfcbb1c48474f30126a93139
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _INIT_PROPERTY_H
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#define _INIT_PROPERTY_H
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#include <stdbool.h>
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#include <sys/system_properties.h>
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extern void handle_property_set_fd(void);
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extern void property_init(void);
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extern void property_load_boot_defaults(void);
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extern void load_persist_props(void);
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extern void start_property_service(void);
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void get_property_workspace(int *fd, int *sz);
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extern int __property_get(const char *name, char *value);
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extern int property_set(const char *name, const char *value);
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extern int properties_inited();
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int get_property_set_fd(void);
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extern void __property_get_size_error()
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__attribute__((__error__("property_get called with too small buffer")));
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static inline
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__attribute__ ((always_inline))
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__attribute__ ((gnu_inline))
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__attribute__ ((artificial))
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int property_get(const char *name, char *value)
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{
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size_t value_len = __builtin_object_size(value, 0);
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if (value_len != PROP_VALUE_MAX)
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__property_get_size_error();
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return __property_get(name, value);
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}
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#endif /* _INIT_PROPERTY_H */
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