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 parse-bytecode

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bufhelper.c

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/*

* This file is part of the Micro Python project, http://micropython.org/

*

* The MIT License (MIT)

*

* Copyright (c) 2013, 2014 Damien P. George

*

* Permission is hereby granted, free of charge, to any person obtaining a copy

* of this software and associated documentation files (the "Software"), to deal

* in the Software without restriction, including without limitation the rights

* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

* copies of the Software, and to permit persons to whom the Software is

* furnished to do so, subject to the following conditions:

*

* The above copyright notice and this permission notice shall be included in

* all copies or substantial portions of the Software.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

* THE SOFTWARE.

*/

#include "py/obj.h"

#include "bufhelper.h"

void pyb_buf_get_for_send(mp_obj_t o, mp_buffer_info_t *bufinfo, byte *tmp_data) {

if (MP_OBJ_IS_INT(o)) {

tmp_data[0] = mp_obj_get_int(o);

bufinfo->buf = tmp_data;

bufinfo->len = 1;

bufinfo->typecode = 'B';

} else {

mp_get_buffer_raise(o, bufinfo, MP_BUFFER_READ);

}

}

mp_obj_t pyb_buf_get_for_recv(mp_obj_t o, vstr_t *vstr) {

if (MP_OBJ_IS_INT(o)) {

// allocate a new bytearray of given length

vstr_init_len(vstr, mp_obj_get_int(o));

return MP_OBJ_NULL;

} else {

// get the existing buffer

mp_buffer_info_t bufinfo;

mp_get_buffer_raise(o, &bufinfo, MP_BUFFER_WRITE);

vstr->buf = bufinfo.buf;

vstr->len = bufinfo.len;

return o;

}

}