mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-11-25 11:05:34 +00:00
56 lines
2.4 KiB
C++
Vendored
56 lines
2.4 KiB
C++
Vendored
/*
|
|
* Copyright (C) 2008 The Android Open Source Project
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "system_properties/prop_info.h"
|
|
|
|
#include <string.h>
|
|
|
|
constexpr static const char kLongLegacyError[] =
|
|
"Must use __system_property_read_callback() to read";
|
|
static_assert(sizeof(kLongLegacyError) < prop_info::kLongLegacyErrorBufferSize,
|
|
"Error message for long properties read by legacy libc must fit within 56 chars");
|
|
|
|
prop_info::prop_info(const char* name, uint32_t namelen, const char* value, uint32_t valuelen) {
|
|
memcpy(this->name, name, namelen);
|
|
this->name[namelen] = '\0';
|
|
atomic_init(&this->serial, valuelen << 24);
|
|
memcpy(this->value, value, valuelen);
|
|
this->value[valuelen] = '\0';
|
|
}
|
|
|
|
prop_info::prop_info(const char* name, uint32_t namelen, uint32_t long_offset) {
|
|
memcpy(this->name, name, namelen);
|
|
this->name[namelen] = '\0';
|
|
|
|
atomic_uint_least32_t error_value_len = sizeof(kLongLegacyError) - 1;
|
|
atomic_init(&this->serial, error_value_len << 24 | kLongFlag);
|
|
memcpy(this->long_property.error_message, kLongLegacyError, sizeof(kLongLegacyError));
|
|
|
|
this->long_property.offset = long_offset;
|
|
}
|