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c-multicodec/vhutils.h
xethyrion 79562d57a3 Add files via upload
2016-11-17 16:52:27 +02:00

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C
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#ifndef VARHEXUTILS
#define VARHEXUTILS
#include <stdio.h>
#include <inttypes.h>
#include "varint.h"
#include <stdlib.h>
#include <string.h>
#include "endian.h"
void hex2str(const char * h, char * s, int sizs)
{
static char hex[] = "0123456789ABCDEF";
int i = 0;
int len = strlen(h)/2;
if (len > sizs)
len = sizs;
for (i = 0; i < len; ++i)
{
char* p = strchr(hex, *(h+2*i));
if (p != NULL)
{
s[i] = (char)(unsigned char)((p-hex)<<4);
p = strchr(hex, *(h+2*i+1));
if (p != NULL)
{
s[i] |= (char)(p-hex);
}
else
s[i] = '?';
}
else
s[i] = '?';
}
if (i < sizs * 2)
*(s+i)='\0';
}
void str2hex(unsigned char* hexstring, unsigned char* string)
{
unsigned char ch,i,j,len;
len = strlen(string);
for(i=0,j=0;i<len;i++,j+=2)
{
ch = string[i];
if( ch >= 0 && ch <= 0x0F)
{
hexstring[j] = 0x30;
if(ch >= 0 && ch <= 9)
hexstring[j+1] = 0x30 + ch;
else
hexstring[j+1] = 0x37 + ch;
}
else if( ch >= 0x10 && ch <= 0x1F)
{
hexstring[j] = 0x31;
ch -= 0x10;
if(ch >= 0 && ch <= 9)
hexstring[j+1] = 0x30 + ch;
else
hexstring[j+1] = 0x37 + ch;
}
else if( ch >= 0x20 && ch <= 0x2F)
{
hexstring[j] = 0x32;
ch -= 0x20;
if(ch >= 0 && ch <= 9)
hexstring[j+1] = 0x30 + ch;
else
hexstring[j+1] = 0x37 + ch;
}
else if( ch >= 0x30 && ch <= 0x3F)
{
hexstring[j] = 0x33;
ch -= 0x30;
if(ch >= 0 && ch <= 9)
hexstring[j+1] = 0x30 + ch;
else
hexstring[j+1] = 0x37 + ch;
}
else if( ch >= 0x40 && ch <= 0x4F)
{
hexstring[j] = 0x34;
ch -= 0x40;
if(ch >= 0 && ch <= 9)
hexstring[j+1] = 0x30 + ch;
else
hexstring[j+1] = 0x37 + ch;
}
else if( ch >= 0x50 && ch <= 0x5F)
{
hexstring[j] = 0x35;
ch -= 0x50;
if(ch >= 0 && ch <= 9)
hexstring[j+1] = 0x30 + ch;
else
hexstring[j+1] = 0x37 + ch;
}
else if( ch >= 0x60 && ch <= 0x6F)
{
hexstring[j] = 0x36;
ch -= 0x60;
if(ch >= 0 && ch <= 9)
hexstring[j+1] = 0x30 + ch;
else
hexstring[j+1] = 0x37 + ch;
}
else if( ch >= 0x70 && ch <= 0x7F)
{
hexstring[j] = 0x37;
ch -= 0x70;
if(ch >= 0 && ch <= 9)
hexstring[j+1] = 0x30 + ch;
else
hexstring[j+1] = 0x37 + ch;
}
}
hexstring[j] = 0x00;
}
int8_t Var_Bytes_Count(uint8_t * countbytesofthis)
{
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[60] = {0};
uvarint_encode64(TOV64INPUT, buffy_001, 60);
return buffy_001;
}
uint8_t * Num_To_Varint_32(uint32_t TOV32INPUT) // UINT32_T TO VARINT
{
static uint8_t buffy_032[60] = {0};
uvarint_encode32(TOV32INPUT, buffy_032, 60);
return buffy_032;
}
uint64_t * Varint_To_Num_64(uint8_t TON64INPUT[60]) //VARINT TO UINT64_t
{
static uint64_t varintdecode_001 = 0;
uvarint_decode64(TON64INPUT, 60, &varintdecode_001);
return &varintdecode_001;
}
uint32_t * Varint_To_Num_32(uint8_t TON32INPUT[60]) //VARINT TO UINT32_t
{
static uint32_t varintdecode_032 = 0;
uvarint_decode32(TON32INPUT, 60, &varintdecode_032);
return &varintdecode_032;
}
//
char * Int_To_Hex(uint64_t int2hex) //VAR[binformat] TO HEX
{
static char int2hex_result[800]="\0";
memset(int2hex_result,0,sizeof(int2hex_result));
sprintf (int2hex_result, "%02lX", int2hex);
return int2hex_result;
}
uint64_t Hex_To_Int(char * hax)
{
char * hex = NULL;
hex=hax;
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;
}
//
void vthconvert(int size, char * crrz01, uint8_t * xbuf)
{
uint8_t buf[400];
bzero(buf,400);
//fixing the buf
for(int cz=0; cz<size;cz++)
{
buf[cz] = xbuf[cz];
}
//
if(crrz01!=NULL)
{
char * crrz1 = NULL;
crrz1 = crrz01;
char conv_proc[800]="\0";
int i;
for(i=0; i < (size*2); i++)
{
if(buf[i]!='\0')
{
sprintf (conv_proc, "%02X", buf[i]);
//printf("%d:%d\n",i, buf[i]);
strcat(crrz1, conv_proc);
}
}
crrz1 = NULL;
}
}
char * Var_To_Hex(int realsize, uint8_t * TOHEXINPUT) //VAR[binformat] TO HEX
{
for(int ix=realsize;ix<400;ix++)
{
TOHEXINPUT[ix] = '\0';
}
if(TOHEXINPUT != NULL)
{
static char convert_resultz1[800]="\0";
bzero(convert_resultz1,800);
vthconvert(realsize, convert_resultz1, TOHEXINPUT);
return convert_resultz1;
}
}
uint8_t * Hex_To_Var(char * Hexstr) //HEX TO VAR[BINFORMAT]
{
static uint8_t buffy_HEX[400] = {0};
bzero(buffy_HEX,400);
int i;
char codo[800] = "\0";
bzero(codo,800);
strcpy(codo, Hexstr);
char code[3];
bzero(code,3);
code[3]='\0';
int x = 0;
int fori001=0;
for(fori001=0;fori001<800;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;
}
//
void convert(char * convert_result, uint8_t * buf) //Both of them read them properly.
{
char conv_proc[800]="\0";
bzero(conv_proc,800);
int i;
for(i=0; i < 10; i++)
{
sprintf (conv_proc, "%02X", buf[i]);
//printf("%d:%d\n",i, buf[i]);
strcat(convert_result, conv_proc);
}
}
char * Num_To_HexVar_64(uint64_t TOHVINPUT) //UINT64 TO HEXIFIED VAR
{ //Code to varint - py
static char convert_result[800]="\0";//Note that the hex resulted from this will differ from py
bzero(convert_result,800);
memset(convert_result,0,sizeof(convert_result));//But if you make sure the string is always 20 chars in size
uint8_t buf[400] = {0};
bzero(buf,400);
uvarint_encode64(TOHVINPUT, buf, 800);
convert(convert_result,buf);
return convert_result;
}
void convert2(char * convert_result2, uint8_t * bufhx)
{
uint8_t * buf = NULL;
buf = bufhx;
char conv_proc[3]="\0";
conv_proc[3] = '\0';
bzero(conv_proc, 3);
int i;
for(i=0; i == 0; i++)
{
sprintf (conv_proc, "%02X", buf[i]);
//printf("aaaaaaaaaaah%d:%d\n",i, buf[i]);
strcat(convert_result2, conv_proc);
}
buf = NULL;
}
char * Num_To_HexVar_32(uint32_t TOHVINPUT) //UINT32 TO HEXIFIED VAR
{ //Code to varint - py
static char convert_result2[3]="\0";
bzero(convert_result2,3);
convert_result2[2] = '\0';
memset(convert_result2,0,sizeof(convert_result2));
uint8_t buf[1] = {0};
bzero(buf,1);
uvarint_encode32(TOHVINPUT, buf, 1);
convert2(convert_result2,buf);
return convert_result2;
}
uint64_t HexVar_To_Num_64(char * theHEXstring) //HEXIFIED VAR TO UINT64_T
{ //Varint to code - py
uint8_t buffy[400] = {0};
char codo[800] = "\0";
bzero(codo,800);
strcpy(codo, theHEXstring);
char code[3] = "\0";
int x = 0;
for(int i= 0;i<399;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, 400, &decoded);
return decoded;
}
uint32_t HexVar_To_Num_32(char theHEXstring[]) //HEXIFIED VAR TO UINT32_T
{ //Varint to code py
uint8_t buffy[400] = {0};
bzero(buffy,400);
char codo[800] = "\0";
bzero(codo,800);
strcpy(codo, theHEXstring);
char code[3] = "\0";
bzero(code,3);
code[3] = '\0';
int x = 0;
for(int i= 0;i<399;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
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