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#include "uint.h"
/* derived from public domain djbdns code */
void u16_pack(char s[2], u16 u)
{
s[0] = (char) (u & 255);
s[1] = (char) (u >> 8);
}
void u16_pack_big(char s[2], u16 u)
{
s[1] = (char) (u & 255);
s[0] = (char) (u >> 8);
}
void u16_unpack(const char s[2], u16 *u)
{
u16 result;
result = (unsigned char) s[1];
result <<= 8;
result += (unsigned char) s[0];
*u = result;
}
void u16_unpack_big(const char s[2], u16 *u)
{
u16 result;
result = (unsigned char) s[0];
result <<= 8;
result += (unsigned char) s[1];
*u = result;
}
void u32_pack(char s[4], u32 u)
{
s[0] = (char) (u & 255);
u >>= 8;
s[1] = (char) (u & 255);
u >>= 8;
s[2] = (char) (u & 255);
s[3] = (char) (u >> 8);
}
void u32_pack_big(char s[4], u32 u)
{
s[3] = (char) (u & 255);
u >>= 8;
s[2] = (char) (u & 255);
u >>= 8;
s[1] = (char) (u & 255);
s[0] = (char) (u >> 8);
}
void u32_unpack(const char s[4], u32 *u)
{
u32 result;
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 u32_unpack_big(const char s[4], u32 *u)
{
u32 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];
*u = result;
}
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