55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/obj.h"
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#include "bufhelper.h"
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void pyb_buf_get_for_send(mp_obj_t o, mp_buffer_info_t *bufinfo, byte *tmp_data) {
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if (mp_obj_is_int(o)) {
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tmp_data[0] = mp_obj_get_int(o);
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bufinfo->buf = tmp_data;
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bufinfo->len = 1;
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bufinfo->typecode = 'B';
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} else {
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mp_get_buffer_raise(o, bufinfo, MP_BUFFER_READ);
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}
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}
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mp_obj_t pyb_buf_get_for_recv(mp_obj_t o, vstr_t *vstr) {
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if (mp_obj_is_int(o)) {
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// allocate a new bytearray of given length
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vstr_init_len(vstr, mp_obj_get_int(o));
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return MP_OBJ_NULL;
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} else {
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// get the existing buffer
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(o, &bufinfo, MP_BUFFER_WRITE);
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vstr->buf = bufinfo.buf;
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vstr->len = bufinfo.len;
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return o;
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}
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}
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