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113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/* host2net.h - Endian conversion macros
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* Copyright (C) 1998, 2014, 2015 Werner Koch
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*
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* This file is part of GnuPG.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* This file 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 <https://www.gnu.org/licenses/>.
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*/
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#ifndef GNUPG_COMMON_HOST2NET_H
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#define GNUPG_COMMON_HOST2NET_H
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#include "types.h"
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#define ulongtobuf( p, a ) do { \
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((byte*)p)[0] = a >> 24; \
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((byte*)p)[1] = a >> 16; \
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((byte*)p)[2] = a >> 8; \
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((byte*)p)[3] = a ; \
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} while(0)
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#define ushorttobuf( p, a ) do { \
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((byte*)p)[0] = a >> 8; \
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((byte*)p)[1] = a ; \
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} while(0)
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static inline unsigned long
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buf16_to_ulong (const void *buffer)
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{
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const unsigned char *p = buffer;
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return (((unsigned long)p[0] << 8) | p[1]);
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}
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static inline unsigned int
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buf16_to_uint (const void *buffer)
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{
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const unsigned char *p = buffer;
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return (((unsigned int)p[0] << 8) | p[1]);
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}
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static inline unsigned short
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buf16_to_ushort (const void *buffer)
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{
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const unsigned char *p = buffer;
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return (((unsigned short)p[0] << 8) | p[1]);
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}
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static inline u16
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buf16_to_u16 (const void *buffer)
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{
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const unsigned char *p = buffer;
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return (((u16)p[0] << 8) | p[1]);
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}
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static inline size_t
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buf32_to_size_t (const void *buffer)
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{
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const unsigned char *p = buffer;
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return (((size_t)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
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}
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static inline unsigned long
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buf32_to_ulong (const void *buffer)
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{
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const unsigned char *p = buffer;
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return (((unsigned long)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
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}
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static inline unsigned int
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buf32_to_uint (const void *buffer)
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{
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const unsigned char *p = buffer;
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return (((unsigned int)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
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}
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static inline u32
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buf32_to_u32 (const void *buffer)
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{
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const unsigned char *p = buffer;
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return (((u32)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
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}
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#endif /*GNUPG_COMMON_HOST2NET_H*/
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