/* * This file is part of the libsigrok project. * * Copyright (C) 2020 Gerhard Sittig * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . */ #include #include #include #include #include #include "lib.h" #include "libsigrok-internal.h" static const uint8_t buff1234[] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, }; static const uint8_t buff8125fb[] = { 0x41, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; static const uint8_t buff8125fl[] = { 0x00, 0x00, 0x02, 0x41, 0x00, 0x00, 0x00, 0x00, }; static const uint8_t buff1234large[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, }; START_TEST(test_endian_macro) { const uint8_t *p8; const uint16_t *p16; const uint32_t *p32; p8 = (const void *)&buff1234[0]; fail_unless(R8(&p8[0]) == 0x11); fail_unless(R8(&p8[1]) == 0x22); fail_unless(R8(&p8[2]) == 0x33); fail_unless(R8(&p8[3]) == 0x44); p16 = (const void *)&buff1234[0]; fail_unless(RB16(&p16[0]) == 0x1122); fail_unless(RB16(&p16[1]) == 0x3344); p16 = (const void *)&buff1234[0]; fail_unless(RL16(&p16[0]) == 0x2211); fail_unless(RL16(&p16[1]) == 0x4433); p32 = (const void *)&buff1234[0]; fail_unless(RB32(&p32[0]) == 0x11223344); fail_unless(RB32(&p32[1]) == 0x55667788); p32 = (const void *)&buff1234[0]; fail_unless(RL32(&p32[0]) == 0x44332211); fail_unless(RL32(&p32[1]) == 0x88776655); p16 = (const void *)&buff1234[0]; fail_unless(RB16(p16++) == 0x1122); fail_unless(RB16(p16++) == 0x3344); } END_TEST START_TEST(test_endian_read) { fail_unless(read_u8(&buff1234[0]) == 0x11); fail_unless(read_u8(&buff1234[3]) == 0x44); fail_unless(read_u8(&buff1234[7]) == 0x88); fail_unless(read_u16be(&buff1234[0]) == 0x1122); fail_unless(read_u16be(&buff1234[6]) == 0x7788); fail_unless(read_u16le(&buff1234[0]) == 0x2211); fail_unless(read_u16le(&buff1234[6]) == 0x8877); fail_unless(read_i16be(&buff1234[6]) == 0x7788); fail_unless(read_i16le(&buff1234[6]) == (int16_t)0x8877); fail_unless(read_u32be(&buff1234[0]) == 0x11223344); fail_unless(read_u32be(&buff1234[4]) == 0x55667788); fail_unless(read_u32le(&buff1234[0]) == 0x44332211); fail_unless(read_u32le(&buff1234[4]) == 0x88776655); fail_unless(read_i32be(&buff1234[0]) == 0x11223344); fail_unless(read_i32be(&buff1234[4]) == 0x55667788); fail_unless(read_i32le(&buff1234[4]) == (int32_t)0x88776655ull); fail_unless(read_u64be(&buff1234[0]) == 0x1122334455667788ull); fail_unless(read_u64le(&buff1234[0]) == 0x8877665544332211ull); fail_unless(read_i64be(&buff1234[0]) == 0x1122334455667788ull); fail_unless(read_i64le(&buff1234[0]) == (int64_t)0x8877665544332211ull); fail_unless(read_fltbe(&buff8125fb[0]) == 8.125); fail_unless(read_fltle(&buff8125fl[0]) == 8.125); } END_TEST START_TEST(test_endian_read_inc) { const uint8_t *p; p = &buff1234[0]; fail_unless(read_u8_inc(&p) == 0x11); fail_unless(read_u8_inc(&p) == 0x22); fail_unless(read_u8_inc(&p) == 0x33); fail_unless(p == &buff1234[3 * sizeof(uint8_t)]); p = &buff1234[0]; fail_unless(read_u16be_inc(&p) == 0x1122); fail_unless(read_u16be_inc(&p) == 0x3344); fail_unless(p == &buff1234[2 * sizeof(uint16_t)]); p = &buff1234[0]; fail_unless(read_u16le_inc(&p) == 0x2211); fail_unless(read_u16le_inc(&p) == 0x4433); fail_unless(p == &buff1234[2 * sizeof(uint16_t)]); p = &buff1234[0]; fail_unless(read_u24le_inc(&p) == 0x332211); fail_unless(read_u24le_inc(&p) == 0x665544); fail_unless(p == &buff1234[2 * 3 * sizeof(uint8_t)]); p = &buff1234[0]; fail_unless(read_u32be_inc(&p) == 0x11223344ul); fail_unless(read_u32be_inc(&p) == 0x55667788ul); fail_unless(p == &buff1234[2 * sizeof(uint32_t)]); p = &buff1234[0]; fail_unless(read_u32le_inc(&p) == 0x44332211ul); fail_unless(read_u32le_inc(&p) == 0x88776655ul); fail_unless(p == &buff1234[2 * sizeof(uint32_t)]); p = &buff1234[0]; fail_unless(read_u64be_inc(&p) == 0x1122334455667788); fail_unless(p == &buff1234[sizeof(uint64_t)]); p = &buff1234[0]; fail_unless(read_u64le_inc(&p) == 0x8877665544332211ull); fail_unless(p == &buff1234[sizeof(uint64_t)]); } END_TEST START_TEST(test_endian_write) { uint8_t buff[2 * sizeof(uint64_t)]; memset(buff, 0, sizeof(buff)); write_u8(&buff[0], 0x11); fail_unless(memcmp(&buff[0], &buff1234[0], sizeof(uint8_t)) == 0); memset(buff, 0, sizeof(buff)); write_u8(&buff[0], 0x22); write_u8(&buff[1], 0x33); write_u8(&buff[2], 0x44); write_u8(&buff[3], 0x55); fail_unless(memcmp(&buff[0], &buff1234[1], 4 * sizeof(uint8_t)) == 0); memset(buff, 0, sizeof(buff)); write_u16be(&buff[0 * sizeof(uint16_t)], 0x1122); write_u16be(&buff[1 * sizeof(uint16_t)], 0x3344); fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint16_t)) == 0); memset(buff, 0, sizeof(buff)); write_u16le(&buff[0 * sizeof(uint16_t)], 0x4433); write_u16le(&buff[1 * sizeof(uint16_t)], 0x6655); fail_unless(memcmp(&buff[0], &buff1234[2], 2 * sizeof(uint16_t)) == 0); memset(buff, 0, sizeof(buff)); write_u32be(&buff[0 * sizeof(uint32_t)], 0x11223344); write_u32be(&buff[1 * sizeof(uint32_t)], 0x55667788); fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0); memset(buff, 0, sizeof(buff)); write_u32le(&buff[0 * sizeof(uint32_t)], 0x44332211); write_u32le(&buff[1 * sizeof(uint32_t)], 0x88776655); fail_unless(memcmp(&buff[0], &buff1234[0], 2 * sizeof(uint32_t)) == 0); memset(buff, 0, sizeof(buff)); write_fltbe(&buff[0], 8.125); fail_unless(memcmp(&buff[0], &buff8125fb[0], sizeof(float)) == 0); memset(buff, 0, sizeof(buff)); write_fltle(&buff[0], 8.125); fail_unless(memcmp(&buff[0], &buff8125fl[0], sizeof(float)) == 0); } END_TEST START_TEST(test_endian_write_inc) { uint8_t buff[2 * sizeof(uint64_t)]; uint8_t *p; size_t l; memset(buff, 0, sizeof(buff)); p = &buff[0]; write_u8_inc(&p, 0x11); write_u16be_inc(&p, 0x2233); write_u32be_inc(&p, 0x44556677); l = p - &buff[0]; fail_unless(l == sizeof(uint8_t) + sizeof(uint16_t) + sizeof(uint32_t)); fail_unless(memcmp(&buff[0], &buff1234[0], l) == 0); p = &buff[0]; write_u48le_inc(&p, 0x060504030201); write_u48le_inc(&p, 0x0c0b0a090807); write_u48le_inc(&p, 0x1211100f0e0d); write_u48le_inc(&p, 0x181716151413); l = p - &buff[0]; fail_unless(l == 4 * 48 / 8 * sizeof(uint8_t)); fail_unless(memcmp(&buff[0], &buff1234large[0], l) == 0); } END_TEST Suite *suite_conv(void) { Suite *s; TCase *tc; s = suite_create("conv"); tc = tcase_create("endian"); tcase_add_test(tc, test_endian_macro); tcase_add_test(tc, test_endian_read); tcase_add_test(tc, test_endian_read_inc); tcase_add_test(tc, test_endian_write); tcase_add_test(tc, test_endian_write_inc); suite_add_tcase(s, tc); return s; }