From 249866e3d1e11dc72eaa1305f4bb479ded92ef38 Mon Sep 17 00:00:00 2001 From: Jannis Hoffmann Date: Tue, 9 Jul 2024 13:58:20 +0200 Subject: reorganized file structure Moved c files into src/. Corrected VERSION file. Removed BUILD and FILES. --- src/uint64p.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/uint64p.c (limited to 'src/uint64p.c') diff --git a/src/uint64p.c b/src/uint64p.c new file mode 100644 index 0000000..41b8ceb --- /dev/null +++ b/src/uint64p.c @@ -0,0 +1,62 @@ +#include "uint_t.h" + +/** + @file uint64p.c + @author feh, jannis + @source djbdns6 + @brief packing/unpacking 64 bit integer to/from char string +*/ + +void uint64_pack(char s[8],uint64 u) +{ + s[0] = u & 255; u >>= 8; + s[1] = u & 255; u >>= 8; + s[2] = u & 255; u >>= 8; + s[3] = u & 255; u >>= 8; + s[4] = u & 255; u >>= 8; + s[5] = u & 255; u >>= 8; + s[6] = u & 255; u >>= 8; + s[7] = u & 255; +} +void uint64_pack_big(char s[8],uint64 u) +{ + s[7] = u & 255; u >>= 8; + s[6] = u & 255; u >>= 8; + s[5] = u & 255; u >>= 8; + s[4] = u & 255; u >>= 8; + s[3] = u & 255; u >>= 8; + s[2] = u & 255; u >>= 8; + s[1] = u & 255; u >>= 8; + s[0] = u & 255; +} + +void uint64_unpack(char s[8],uint64 *u) +{ + uint64 result; + + result = (unsigned char) s[7]; result <<= 8; + result += (unsigned char) s[6]; result <<= 8; + result += (unsigned char) s[5]; result <<= 8; + result += (unsigned char) s[4]; result <<= 8; + result += (unsigned char) s[3]; result <<= 8; + result += (unsigned char) s[2]; result <<= 8; + result += (unsigned char) s[1]; result <<= 8; + result += (unsigned char) s[0]; + + *u = result; +} +void uint64_unpack_big(char s[8],uint64 *u) +{ + uint64 result; + + result = (unsigned char) s[0]; result <<= 8; + result += (unsigned char) s[1]; result <<= 8; + result += (unsigned char) s[2]; result <<= 8; + result += (unsigned char) s[3]; result <<= 8; + result += (unsigned char) s[4]; result <<= 8; + result += (unsigned char) s[5]; result <<= 8; + result += (unsigned char) s[6]; result <<= 8; + result += (unsigned char) s[7]; + + *u = result; +} -- cgit v1.2.3