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Diffstat (limited to 'common/host2net.h')
-rw-r--r-- | common/host2net.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/common/host2net.h b/common/host2net.h new file mode 100644 index 0000000..9eeaf24 --- /dev/null +++ b/common/host2net.h @@ -0,0 +1,112 @@ +/* host2net.h - Endian conversion macros + * Copyright (C) 1998, 2014, 2015 Werner Koch + * + * This file is part of GnuPG. + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of either + * + * - the GNU Lesser General Public License as published by the Free + * Software Foundation; either version 3 of the License, or (at + * your option) any later version. + * + * or + * + * - 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. + * + * or both in parallel, as here. + * + * This file 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 <https://www.gnu.org/licenses/>. + */ + +#ifndef GNUPG_COMMON_HOST2NET_H +#define GNUPG_COMMON_HOST2NET_H + +#include "types.h" + +#define ulongtobuf( p, a ) do { \ + ((byte*)p)[0] = a >> 24; \ + ((byte*)p)[1] = a >> 16; \ + ((byte*)p)[2] = a >> 8; \ + ((byte*)p)[3] = a ; \ + } while(0) +#define ushorttobuf( p, a ) do { \ + ((byte*)p)[0] = a >> 8; \ + ((byte*)p)[1] = a ; \ + } while(0) + + +static inline unsigned long +buf16_to_ulong (const void *buffer) +{ + const unsigned char *p = buffer; + + return (((unsigned long)p[0] << 8) | p[1]); +} + +static inline unsigned int +buf16_to_uint (const void *buffer) +{ + const unsigned char *p = buffer; + + return (((unsigned int)p[0] << 8) | p[1]); +} + +static inline unsigned short +buf16_to_ushort (const void *buffer) +{ + const unsigned char *p = buffer; + + return (((unsigned short)p[0] << 8) | p[1]); +} + +static inline u16 +buf16_to_u16 (const void *buffer) +{ + const unsigned char *p = buffer; + + return (((u16)p[0] << 8) | p[1]); +} + +static inline size_t +buf32_to_size_t (const void *buffer) +{ + const unsigned char *p = buffer; + + return (((size_t)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); +} + +static inline unsigned long +buf32_to_ulong (const void *buffer) +{ + const unsigned char *p = buffer; + + return (((unsigned long)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); +} + +static inline unsigned int +buf32_to_uint (const void *buffer) +{ + const unsigned char *p = buffer; + + return (((unsigned int)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); +} + +static inline u32 +buf32_to_u32 (const void *buffer) +{ + const unsigned char *p = buffer; + + return (((u32)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]); +} + + +#endif /*GNUPG_COMMON_HOST2NET_H*/ |