58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
|
/*
|
||
|
|
* Copyright (C) 2014 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 "private/bionic_mbstate.h"
|
||
|
|
|
||
|
|
#include <errno.h>
|
||
|
|
|
||
|
|
__LIBC_HIDDEN__ size_t mbstate_bytes_so_far(const mbstate_t* ps) {
|
||
|
|
return
|
||
|
|
(ps->__seq[2] != 0) ? 3 :
|
||
|
|
(ps->__seq[1] != 0) ? 2 :
|
||
|
|
(ps->__seq[0] != 0) ? 1 : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
__LIBC_HIDDEN__ void mbstate_set_byte(mbstate_t* ps, int i, char byte) {
|
||
|
|
ps->__seq[i] = static_cast<uint8_t>(byte);
|
||
|
|
}
|
||
|
|
|
||
|
|
__LIBC_HIDDEN__ uint8_t mbstate_get_byte(const mbstate_t* ps, int n) {
|
||
|
|
return ps->__seq[n];
|
||
|
|
}
|
||
|
|
|
||
|
|
__LIBC_HIDDEN__ size_t reset_and_return_illegal(int _errno, mbstate_t* ps) {
|
||
|
|
errno = _errno;
|
||
|
|
*(reinterpret_cast<uint32_t*>(ps->__seq)) = 0;
|
||
|
|
return __MB_ERR_ILLEGAL_SEQUENCE;
|
||
|
|
}
|
||
|
|
|
||
|
|
__LIBC_HIDDEN__ size_t reset_and_return(int _return, mbstate_t* ps) {
|
||
|
|
*(reinterpret_cast<uint32_t*>(ps->__seq)) = 0;
|
||
|
|
return _return;
|
||
|
|
}
|