From ab959d7b4194715870128e616b8e29d4a101e488 Mon Sep 17 00:00:00 2001 From: etobi Date: Tue, 3 Sep 2013 09:48:41 +0200 Subject: Imported Upstream version 1.1.1+rev1207 --- lib/libucsi/endianops.h | 128 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 lib/libucsi/endianops.h (limited to 'lib/libucsi/endianops.h') diff --git a/lib/libucsi/endianops.h b/lib/libucsi/endianops.h new file mode 100644 index 0000000..23b418b --- /dev/null +++ b/lib/libucsi/endianops.h @@ -0,0 +1,128 @@ +/* + * section and descriptor parser + * + * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifndef _UCSI_COMMON_H +#define _UCSI_COMMON_H 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include +#include +#include + +#define __ucsi_packed __attribute__((packed)) + + + + +#if __BYTE_ORDER == __BIG_ENDIAN +#define EBIT2(x1,x2) x1 x2 +#define EBIT3(x1,x2,x3) x1 x2 x3 +#define EBIT4(x1,x2,x3,x4) x1 x2 x3 x4 +#define EBIT5(x1,x2,x3,x4,x5) x1 x2 x3 x4 x5 +#define EBIT6(x1,x2,x3,x4,x5,x6) x1 x2 x3 x4 x5 x6 +#define EBIT7(x1,x2,x3,x4,x5,x6,x7) x1 x2 x3 x4 x5 x6 x7 +#define EBIT8(x1,x2,x3,x4,x5,x6,x7,x8) x1 x2 x3 x4 x5 x6 x7 x8 + +static inline void bswap16(uint8_t *buf) { + (void) buf; +} + +static inline void bswap32(uint8_t *buf) { + (void) buf; +} + +static inline void bswap64(uint8_t *buf) { + (void) buf; +} + +static inline void bswap24(uint8_t *buf) { + (void) buf; +} + +static inline void bswap40(uint8_t *buf) { + (void) buf; +} + +static inline void bswap48(uint8_t *buf) { + (void) buf; +} + +#else +#define EBIT2(x1,x2) x2 x1 +#define EBIT3(x1,x2,x3) x3 x2 x1 +#define EBIT4(x1,x2,x3,x4) x4 x3 x2 x1 +#define EBIT5(x1,x2,x3,x4,x5) x5 x4 x3 x2 x1 +#define EBIT6(x1,x2,x3,x4,x5,x6) x6 x5 x4 x3 x2 x1 +#define EBIT7(x1,x2,x3,x4,x5,x6,x7) x7 x6 x5 x4 x3 x2 x1 +#define EBIT8(x1,x2,x3,x4,x5,x6,x7,x8) x8 x7 x6 x5 x4 x3 x2 x1 + +static inline void bswap16(uint8_t * buf) { + *((uint16_t*)buf) = bswap_16((*(uint16_t*)buf)); +} + +static inline void bswap32(uint8_t * buf) { + *((uint32_t*)buf) = bswap_32((*(uint32_t*)buf)); +} + +static inline void bswap64(uint8_t * buf) { + *((uint64_t*)buf) = bswap_64((*(uint64_t*)buf)); +} + +static inline void bswap24(uint8_t * buf) { + uint8_t tmp0 = buf[0]; + + buf[0] = buf[2]; + buf[2] = tmp0; +} + +static inline void bswap40(uint8_t * buf) { + uint8_t tmp0 = buf[0]; + uint8_t tmp1 = buf[1]; + + buf[0] = buf[4]; + buf[1] = buf[3]; + buf[3] = tmp1; + buf[4] = tmp0; +} + +static inline void bswap48(uint8_t * buf) { + uint8_t tmp0 = buf[0]; + uint8_t tmp1 = buf[1]; + uint8_t tmp2 = buf[2]; + + buf[0] = buf[5]; + buf[1] = buf[4]; + buf[2] = buf[3]; + buf[3] = tmp2; + buf[4] = tmp1; + buf[5] = tmp0; +} + +#endif // __BYTE_ORDER + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.3