mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-16 19:38:09 +00:00
fcffdbbca7
this resolves really weird linker error which causes crashes when using libSDL2 which in turn uses libpng with function also named crc32
45 lines
1.7 KiB
C
45 lines
1.7 KiB
C
/*
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* This file is part of the TREZOR project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "py/objstr.h"
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#include "embed/extmod/trezorobj.h"
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#include "crc.h"
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mp_obj_t mod_trezorcrypto_crc_crc32(size_t n_args, const mp_obj_t *args) {
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mp_buffer_info_t bufinfo;
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mp_get_buffer_raise(args[0], &bufinfo, MP_BUFFER_READ);
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uint32_t crc = (n_args > 1) ? trezor_obj_get_uint(args[1]) : 0;
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crc = checksum_crc32(bufinfo.buf, bufinfo.len, crc ^ 0xffffffff);
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return mp_obj_new_int_from_uint(crc ^ 0xffffffff);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorcrypto_crc_crc32_obj, 1, 2, mod_trezorcrypto_crc_crc32);
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STATIC const mp_rom_map_elem_t mod_trezorcrypto_crc_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_crc) },
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{ MP_ROM_QSTR(MP_QSTR_crc32), MP_ROM_PTR(&mod_trezorcrypto_crc_crc32_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(mod_trezorcrypto_crc_globals, mod_trezorcrypto_crc_globals_table);
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STATIC const mp_obj_module_t mod_trezorcrypto_crc_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mod_trezorcrypto_crc_globals,
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};
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