125 lines
4.3 KiB
C++
125 lines
4.3 KiB
C++
#pragma once
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#include <string>
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namespace Util{
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bool stringToBool(std::string & str);
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}
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namespace Bit{
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//bitfield getters
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unsigned long long getMSB(char * pointer, unsigned int offsetBits, unsigned int dataBits);
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unsigned long long getByName(char * pointer);
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//bitfield setters
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void setMSB(char * pointer, unsigned int offsetBits, unsigned int dataBits, unsigned long long value);
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void setByName(char * pointer);
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//Host to binary/binary to host functions - similar to kernel ntoh/hton functions.
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/// Retrieves a short in network order from the pointer p.
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inline unsigned short btohs(const char * p) {
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return ((unsigned short)p[0] << 8) | p[1];
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}
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/// Stores a short value of val in network order to the pointer p.
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inline void htobs(char * p, unsigned short val) {
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p[0] = (val >> 8) & 0xFF;
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p[1] = val & 0xFF;
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}
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/// Retrieves a long in network order from the pointer p.
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inline unsigned long btohl(const char * p) {
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return ((unsigned long)p[0] << 24) | ((unsigned long)p[1] << 16) | ((unsigned long)p[2] << 8) | p[3];
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}
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/// Stores a long value of val in network order to the pointer p.
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inline void htobl(char * p, unsigned long val) {
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p[0] = (val >> 24) & 0xFF;
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p[1] = (val >> 16) & 0xFF;
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p[2] = (val >> 8) & 0xFF;
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p[3] = val & 0xFF;
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}
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/// Retrieves a long in network order from the pointer p.
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inline unsigned long btoh24(const char * p) {
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return ((unsigned long)p[0] << 16) | ((unsigned long)p[1] << 8) | p[2];
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}
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/// Stores a long value of val in network order to the pointer p.
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inline void htob24(char * p, unsigned long val) {
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p[0] = (val >> 16) & 0xFF;
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p[1] = (val >> 8) & 0xFF;
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p[2] = val & 0xFF;
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}
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/// Retrieves a long long in network order from the pointer p.
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inline unsigned long long btohll(const char * p) {
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return ((unsigned long long)p[0] << 56) | ((unsigned long long)p[1] << 48) | ((unsigned long long)p[2] << 40) | ((unsigned long long)p[3] << 32) | ((unsigned long)p[4] << 24) | ((unsigned long)p[5] << 16) | ((unsigned long)p[6] << 8) | p[7];
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}
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/// Stores a long value of val in network order to the pointer p.
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inline void htobll(char * p, unsigned long long val) {
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p[0] = (val >> 56) & 0xFF;
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p[1] = (val >> 48) & 0xFF;
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p[2] = (val >> 40) & 0xFF;
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p[3] = (val >> 32) & 0xFF;
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p[4] = (val >> 24) & 0xFF;
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p[5] = (val >> 16) & 0xFF;
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p[6] = (val >> 8) & 0xFF;
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p[7] = val & 0xFF;
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}
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/// Retrieves a short in little endian from the pointer p.
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inline unsigned short btohs_le(const char * p) {
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return ((unsigned short)p[1] << 8) | p[0];
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}
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/// Stores a short value of val in little endian to the pointer p.
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inline void htobs_le(char * p, unsigned short val) {
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p[1] = (val >> 8) & 0xFF;
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p[0] = val & 0xFF;
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}
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/// Retrieves a long in network order from the pointer p.
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inline unsigned long btohl_le(const char * p) {
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return ((unsigned long)p[3] << 24) | ((unsigned long)p[2] << 16) | ((unsigned long)p[1] << 8) | p[0];
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}
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/// Stores a long value of val in little endian to the pointer p.
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inline void htobl_le(char * p, unsigned long val) {
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p[3] = (val >> 24) & 0xFF;
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p[2] = (val >> 16) & 0xFF;
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p[1] = (val >> 8) & 0xFF;
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p[0] = val & 0xFF;
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}
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/// Retrieves a long in little endian from the pointer p.
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inline unsigned long btoh24_le(const char * p) {
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return ((unsigned long)p[2] << 16) | ((unsigned long)p[1] << 8) | p[0];
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}
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/// Stores a long value of val in network order to the pointer p.
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inline void htob24_le(char * p, unsigned long val) {
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p[2] = (val >> 16) & 0xFF;
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p[1] = (val >> 8) & 0xFF;
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p[0] = val & 0xFF;
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}
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/// Retrieves a long long in little endian from the pointer p.
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inline unsigned long long btohll_le(const char * p) {
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return ((unsigned long long)p[7] << 56) | ((unsigned long long)p[6] << 48) | ((unsigned long long)p[5] << 40) | ((unsigned long long)p[4] << 32) | ((unsigned long)p[3] << 24) | ((unsigned long)p[2] << 16) | ((unsigned long)p[1] << 8) | p[0];
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}
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/// Stores a long value of val in little endian to the pointer p.
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inline void htobll_le(char * p, unsigned long long val) {
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p[7] = (val >> 56) & 0xFF;
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p[6] = (val >> 48) & 0xFF;
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p[5] = (val >> 40) & 0xFF;
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p[4] = (val >> 32) & 0xFF;
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p[3] = (val >> 24) & 0xFF;
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p[2] = (val >> 16) & 0xFF;
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p[1] = (val >> 8) & 0xFF;
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p[0] = val & 0xFF;
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}
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}
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