Merge branch 'master' of https://github.com/kenCode-de/c-multicodec
This commit is contained in:
jmjatlanta
commit
e4dd7aa335
5 changed files with 627 additions and 0 deletions
21
LICENSE
Normal file
21
LICENSE
Normal file
|
|
@ -0,0 +1,21 @@
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|||
MIT License
|
||||
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||||
Copyright (c) 2016 BitShares Munich IVS
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Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
The above copyright notice and this permission notice shall be included in all
|
||||
copies or substantial portions of the Software.
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
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||||
182
header.h
Normal file
182
header.h
Normal file
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@ -0,0 +1,182 @@
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#ifndef MULTICODEC_HEADER
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#define MULTICODEC_HEADER
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#include "vhutils.h"
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int header_from_string(char * dest,size_t destsize, char * src,size_t srcsize)
|
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{
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char result[destsize+2];
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bzero(result,destsize+2);
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strcpy(result, Int_To_Hex(srcsize-1));
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printf("SZ: %s\n",result);
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char srchex[((srcsize-1)*2)+1];
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str2hex(srchex,src);
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strcat(result,srchex);
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strcpy(dest,result);
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return 1;
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char A[] = "/lol/meow";
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char B[((sizeof(A)-1)*2)+3];
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bzero(B,sizeof(B));
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header(B,sizeof(B),A,sizeof(A));
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printf("Result: %s\n", B);
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}
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/*///Header - Usage Example:
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* unsigned char str[] = "/lol/meow/";
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* unsigned char strhex[((strlen(str)-1)*2)+1];
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* str2hex(strhex,str);
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* unsigned char header_result[sizeof(strhex+2)]; // Extra 2 for size
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* bzero(header_result, sizeof(header_result));
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* header(header_result, strhex);
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* printf("header - Result: %s\n", header_result);
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* unsigned char header_path_result[strlen(header_result)-2];
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*/
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int header(unsigned char * dest, unsigned char * src)
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{
|
||||
if(!src)
|
||||
{
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return 0;
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||||
}
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||||
char size[3];
|
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bzero(size,3);
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strcpy(size, Int_To_Hex((strlen(src)/2)-1));
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strcat(dest, size);
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strcat(dest, src);
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return 1;
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}
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/*
|
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* //Header_Path - Usage Example
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* header_path(header_path_result,header_result);
|
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* printf("header_path - Result: %s\n",header_path_result);
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*/
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int header_path(unsigned char * dest, unsigned char * src)
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{
|
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if(!src)
|
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{
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return 0;
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}
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sprintf(dest,"%s",src+2);
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return 1;
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}
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/*
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* //Add Header - Usage Example:
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* char continut[] = "1234";
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* char continuthex[((sizeof(continut)-1)*2)+1];
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* bzero(continuthex, sizeof(continuthex));
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* str2hex(continuthex, continut);
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* char cap[] = "/lol/";
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* char caphex[((sizeof(cap)-1)*2)+1];
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* bzero(caphex,sizeof(caphex));
|
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* str2hex(caphex,cap);
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* //printf("caphex = %s\n", caphex);
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* //printf("conhex = %s\n", continuthex);
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* char add_hdr_dest[sizeof(continuthex)-1+sizeof(caphex)-1+3];
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* bzero(add_hdr_dest, sizeof(add_hdr_dest));
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* add_header(add_hdr_dest, caphex,sizeof(caphex), continuthex, sizeof(continuthex));
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* printf("add_header - Result: %s\n",add_hdr_dest);
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*/
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int add_header(unsigned char * dest,unsigned char * header,size_t headersize, unsigned char * content, size_t contentsize)
|
||||
{
|
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if(!header||!content)
|
||||
{
|
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return 0;
|
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}
|
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int realsize = (headersize-1+contentsize-1)/2;
|
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char szhex[3];
|
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bzero(szhex,3);
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strcat(szhex, Int_To_Hex(realsize));
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strcat(dest, szhex);
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strcat(dest, header);
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strcat(dest, content);
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return 1;
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}
|
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/*//Remove Header - Usage Example:
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* char remove_hdr_dst[1000]; //Much bigger than needed tbh..
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* bzero(remove_hdr_dst,1000);
|
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* remove_header(remove_hdr_dst, add_hdr_dest);
|
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* printf("remove_header - Result: %s\n",remove_hdr_dst);
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*/
|
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int remove_header(unsigned char * dest, unsigned char * lel)
|
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{
|
||||
if(!lel)
|
||||
{
|
||||
return 0;
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||||
}
|
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int init = 0;
|
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char s[(strlen(lel)/2)+1];
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int sizs = strlen(lel)/2+1;
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hex2str(lel, s, sizs);
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sprintf(s,"%s", s+1);
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char * pch;
|
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char * end;
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pch = strtok_r(s,"/",&end);
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int pos = 0;
|
||||
while(pch)
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{
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//printf("PCH: %s\n", pch);
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if(pos==1)
|
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{
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str2hex(dest, pch);
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}
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//sprintf(dest,"%s",pch);
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pch = strtok_r(NULL,"/",&end);
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pos=1;
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}
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return 1;
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}
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/* //getHeader
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* char geth_dest[1000];
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* bzero(geth_dest,1000);
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* get_header(geth_dest, add_hdr_dest);
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* printf("get_header - Result: %s\n", geth_dest);
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*/
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int get_header(char * dest, unsigned char * src)
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||||
{
|
||||
if(!src)
|
||||
{
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return 0;
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||||
}
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char ascii[strlen(src)/2];
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hex2str(src, ascii,strlen(src)/2);
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sprintf(ascii, "%s",ascii+1);
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char * pch;
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char * end;
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pch = strtok_r(ascii,"/",&end);
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while(pch)
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{
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strcat(dest,pch);
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break;
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}
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return 1;
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}
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/*
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* //getcontent
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* char getc_dest[1000];
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* bzero(getc_dest,1000);
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* get_content(getc_dest, add_hdr_dest);
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* printf("get_content - Result: %s\n", getc_dest);
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*/
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int get_content(char * dest, unsigned char * src)
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||||
{
|
||||
if(!src)
|
||||
{
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return 0;
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||||
}
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char ascii[strlen(src)/2];
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hex2str(src, ascii,strlen(src)/2);
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sprintf(ascii, "%s",ascii+1);
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char * pch;
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char * end;
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int ax = 0;
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pch = strtok_r(ascii,"/",&end);
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while(pch)
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{
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//printf("PCH: %s", pch);
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if(ax == 1)
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{
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strcat(dest,pch);
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break;
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||||
}
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ax=1;
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pch = strtok_r(NULL,"/",&end);
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}
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return 1;
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}
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#endif
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8
varint.c
Normal file
8
varint.c
Normal file
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@ -0,0 +1,8 @@
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#include "varint.h"
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DEFN_ENCODER(32)
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DEFN_DECODER(32)
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DEFN_ENCODER(64)
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DEFN_DECODER(64)
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51
varint.h
Normal file
51
varint.h
Normal file
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@ -0,0 +1,51 @@
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#ifndef VARINT
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#define VARINT
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#include <stddef.h> /* size_t */
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#include <stdint.h> /* uint8_t, uint64_t */
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#define DEFN_ENCODER(SIZE) \
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size_t \
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uvarint_encode##SIZE (uint##SIZE##_t val, uint8_t buf[], size_t bufsize) \
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{ \
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size_t i = 0; \
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for (; i < (SIZE/8) && i < bufsize; i++) { \
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buf[i] = (uint8_t) ((val & 0xFF) | 0x80); \
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val >>= 7; \
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if (!val) \
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return i + 1; \
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} \
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return -1; \
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}
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#define DEFN_DECODER(SIZE) \
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size_t \
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uvarint_decode##SIZE (uint8_t buf[], size_t bufsize, uint##SIZE##_t *val) \
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||||
{ \
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*val = 0; \
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size_t i = 0; \
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for (; i < (SIZE/8) && i < bufsize; i++) { \
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*val |= ((buf[i] & 0x7f) << (7 * i)); \
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if (!(buf[i] & 0x80)) \
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return i + 1; \
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} \
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return -1; \
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}
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#define DECL_ENCODER(SIZE) \
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size_t \
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uvarint_encode##SIZE (uint##SIZE##_t val, uint8_t buf[], size_t bufsize);
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#define DECL_DECODER(SIZE) \
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size_t \
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uvarint_decode##SIZE (uint8_t buf[], size_t bufsize, uint##SIZE##_t *val);
|
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|
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|
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DECL_ENCODER(32)
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DECL_DECODER(32)
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|
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DECL_ENCODER(64)
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DECL_DECODER(64)
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#endif
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365
vhutils.h
Normal file
365
vhutils.h
Normal file
|
|
@ -0,0 +1,365 @@
|
|||
#ifndef VARHEXUTILS
|
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#define VARHEXUTILS
|
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|
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#include <stdio.h>
|
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#include <inttypes.h>
|
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#include "varint.h"
|
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#include <stdlib.h>
|
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#include <string.h>
|
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#include "endian.h"
|
||||
void hex2str(const char * h, char * s, int sizs)
|
||||
{
|
||||
static char hex[] = "0123456789ABCDEF";
|
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int i = 0;
|
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int len = strlen(h)/2;
|
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if (len > sizs)
|
||||
len = sizs;
|
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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
|
||||
Loading…
Reference in a new issue