taler-xotp_fw

xOTP generator firmware
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byteOrder.c (1080B)


      1 /**
      2  * @file byteOrder.c
      3  * @author Adrian STEINER (steia19@bfh.ch)
      4  * @brief Changes the byte order from host to network endian order
      5  * @version 0.1
      6  * @date 19-02-2025
      7  *
      8  * @copyright (C) 2025 Adrian STEINER
      9  * This program is free software: you can redistribute it and/or modify
     10  * it under the terms of the GNU General Public License as published by
     11  * the Free Software Foundation, either version 3 of the License, or
     12  * (at your option) any later version.
     13  *
     14  * This program is distributed in the hope that it will be useful,
     15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17  * GNU General Public License for more details.
     18  *
     19  * You should have received a copy of the GNU General Public License
     20  * along with this program.  If not, see <https: //www.gnu.org/licenses/>.
     21  *
     22  */
     23 
     24 #include "byteOrder.h"
     25 
     26 uint16_t h2n16(uint16_t h) {
     27   return __builtin_bswap16(h);
     28 }
     29 
     30 uint32_t h2n32(uint32_t h) {
     31   return __builtin_bswap32(h);
     32 }
     33 
     34 uint64_t h2n64(uint64_t h) {
     35   return __builtin_bswap64(h);
     36 }