c-multiaddr/varhexutils.h

#ifndef VARHEXUTILS
#define VARHEXUTILS

#include <stdio.h>
#include <inttypes.h>
#include "varint.h"
#include <stdlib.h>
#include <string.h>
#include "endian.h"
/*uint8_t * encode_big_endian_32(uint32_t ebex32)
{
	uint8_t encbe[10] = {0};
	memcpy(encbe, htobe32(ebex32));
	return encbe;
}*/
int8_t Var_Bytes_Count(uint8_t countbytesofthis[10])
{
	static int8_t xrzk_bytescnt = 0;
	for(int8_t i=0; i<10; i++)
	{
		if(countbytesofthis[i] != 0)
		{
			xrzk_bytescnt++;
		}
	}
	return xrzk_bytescnt;
}
uint8_t * Num_To_Varint_64(uint64_t TOV64INPUT) //UINT64_T TO VARINT
{
	static uint8_t buffy_001[10] = {0};
	uvarint_encode64(TOV64INPUT, buffy_001, 10);
	return buffy_001;
}
uint8_t * Num_To_Varint_32(uint32_t TOV32INPUT) // UINT32_T TO VARINT
{
	static uint8_t buffy_032[10] = {0};
	uvarint_encode32(TOV32INPUT, buffy_032, 10);
	return buffy_032;
}
uint64_t * Varint_To_Num_64(uint8_t TON64INPUT[10]) //VARINT TO UINT64_t
{
	static uint64_t varintdecode_001 = 0;
	uvarint_decode64(TON64INPUT, 10, &varintdecode_001);
	return &varintdecode_001;
}
uint32_t * Varint_To_Num_32(uint8_t TON32INPUT[10]) //VARINT TO UINT32_t
{
	static uint32_t varintdecode_032 = 0;
	uvarint_decode32(TON32INPUT, 10, &varintdecode_032);
	return &varintdecode_032;
}
//
char * Int_To_Hex(uint64_t int2hex) //VAR[binformat] TO HEX
{
	static char int2hex_result[20]="\0";
	memset(int2hex_result,0,sizeof(int2hex_result));
	sprintf (int2hex_result, "%02lX", int2hex);
	return int2hex_result;
}
uint64_t Hex_To_Int(char *hex) 
{
    uint64_t val = 0;
    while (*hex) 
	{
        // get current character then increment
        uint8_t byte = *hex++; 
        // transform hex character to the 4bit equivalent number, using the ascii table indexes
        if (byte >= '0' && byte <= '9') byte = byte - '0';
        else if (byte >= 'a' && byte <='f') byte = byte - 'a' + 10;
        else if (byte >= 'A' && byte <='F') byte = byte - 'A' + 10;    
        // shift 4 to make space for new digit, and add the 4 bits of the new digit 
        val = (val << 4) | (byte & 0xF);
    }
    return val;
}
//
char * Var_To_Hex(uint8_t * TOHEXINPUT) //VAR[binformat] TO HEX
{
	if(TOHEXINPUT != NULL)
	{
	static char convert_resultz1[105]="\0";
	memset(convert_resultz1,0,sizeof(convert_resultz1));
	void convert(uint8_t * buf)
	{
		char conv_proc[100]="\0";
		for(int i=0; i < 100; i++)
		{
			if(buf[i]!=0)
			{
				sprintf (conv_proc, "%02X", buf[i]);
				//printf("%d:%d\n",i, buf[i]);
				strcat(convert_resultz1, conv_proc);
			}
			if(buf[i]==0 && buf[i+1]!=0)
			{
				sprintf (conv_proc, "%02X", buf[i]);
				//printf("%d:%d\n",i, buf[i]);
				strcat(convert_resultz1, conv_proc);
			}
		}
	}
	convert(TOHEXINPUT);
	return convert_resultz1;
	}
}
uint8_t * Hex_To_Var(char * Hexstr) //HEX TO VAR[BINFORMAT]
{
	static uint8_t buffy_HEX[105] = {0};
	for(int i=0;i<105;i++)
	{
		buffy_HEX[i] = 0;
	}
	char codo[105] = "\0";
	strcpy(codo, Hexstr);
	char code[3] = "\0";
	int x = 0;
	int fori001=0;
	for(fori001=0;fori001<105;fori001++)
	{
		strncpy(&code[0],&codo[fori001],1);
		strncpy(&code[1],&codo[fori001+1],1);
    	char *ck = NULL;
    	uint64_t lu = 0;
    	lu=strtoul(code, &ck, 16);
		buffy_HEX[x] = lu;
		//printf("%s - %lu\n",code,lu);
		fori001++;
		x++;
	}
	return buffy_HEX;
}
//
char * Num_To_HexVar_64(uint64_t TOHVINPUT) //UINT64 TO HEXIFIED VAR 
{											//Code to varint - py
	static char convert_result[10]="\0";//Note that the hex resulted from this will differ from py
	memset(convert_result,0,sizeof(convert_result));//But if you make sure the string is always 20 chars in size
	void convert(uint8_t buf[10])					//Both of them read them properly.
	{
		char conv_proc[10]="\0";
		int i=0;
		for(; i < 10; i++)
		{
			sprintf (conv_proc, "%02X", buf[i]);
			//printf("%d:%d\n",i, buf[i]);
			strcat(convert_result, conv_proc);
		}
	}
	uint8_t buf[10] = {0};
	uvarint_encode64(TOHVINPUT, buf, 10);
	convert(buf);

	return convert_result;
}
char * Num_To_HexVar_32(uint32_t TOHVINPUT) //UINT32 TO HEXIFIED VAR
{											//Code to varint - py
	static char convert_result2[20]="\0";
	memset(convert_result2,0,sizeof(convert_result2));
	void convert(uint8_t buf[10])
	{
		char conv_proc[10]="\0";
		int i=0;
		for(; i < 10; i++)
		{
			sprintf (conv_proc, "%02X", buf[i]);
			printf("%d:%d\n",i, buf[i]);
			strcat(convert_result2, conv_proc);
		}
	}
	uint8_t buf[10] = {0};
	uvarint_encode32(TOHVINPUT, buf, 10);
	convert(buf);

	return convert_result2;
}

uint64_t HexVar_To_Num_64(char * theHEXstring) //HEXIFIED VAR TO UINT64_T
{											   //Varint to code - py
	uint8_t buffy[10] = {0};
	char codo[20] = "\0";
	strcpy(codo, theHEXstring);
	char code[3] = "\0";
	int x = 0;
	for(int i= 0;i<20;i++)
	{
		strncpy(&code[0],&codo[i],1);
		strncpy(&code[1],&codo[i+1],1);
    	char *ck = NULL;
    	uint64_t lu = 0;
    	lu=strtoul(code, &ck, 16);
		buffy[x] = lu;
		i++;
		x++;
	}
	static uint64_t decoded;
	uvarint_decode64 (buffy, 10, &decoded);
	return decoded;
}
uint32_t HexVar_To_Num_32(char theHEXstring[]) //HEXIFIED VAR TO UINT32_T
{												//Varint to code py
	uint8_t buffy[10] = {0};
	char codo[20] = "\0";
	strcpy(codo, theHEXstring);
	char code[2] = "\0";
	int x = 0;
	for(int i= 0;i<20;i++)
	{
		strncpy(&code[0],&codo[i],1);
		strncpy(&code[1],&codo[i+1],1);
    	char *ck = NULL;
    	uint32_t lu = {0};
    	lu=strtoul(code, &ck, 16);
		buffy[x] = lu;
		i++;
		x++;
	}
	static uint32_t decoded;
	uvarint_decode32 (buffy, 10, &decoded);
	return decoded;
}
#endif