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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
char* replaceHTML(char* str){
//printf("Replaceing:%s\n",str);
char* nstr = malloc((sizeof(char)*strlen(str)) + 1);
if(nstr == NULL){
printf("%s%c%c\n","Content-Type:text/html;charset=iso-8859-1",13,10);
printf("Failed to allocate memory!\n");
}
int strp = 0;
int nstrp = 0;
while(str[strp] != '\0'){
//printf("Strp=%d nstrp=%d\n",strp,nstrp);
if(str[strp] == '+'){
nstr[nstrp] = ' ';
strp++;
nstrp++;
}else if(str[strp] == '%'){
//printf("Hit encodeing!\n");
int hex = 0;
sscanf(str+strp,"%%%2x",&hex);
//printf("Was:%c(%d)\n",(char)hex,hex);
if(hex == 0x0D){
strp+=3;
continue;
}
if(hex == 0x0A){
nstr[nstrp] = '\\';
nstr[nstrp+1] = 'n';
nstrp+=2;
strp+=3;
continue;
}
nstr[nstrp] = (char)hex;
nstrp++;
strp+=3;
}else if(str[strp] == '\n'){
nstr[nstrp] = '\\';
nstr[nstrp+1] = 'n';
nstrp+=2;
strp++;
}else{
nstr[nstrp] = str[strp];
nstrp++;
strp++;
}
}
nstr[nstrp] = '\0';
//printf("Done, str is now:%s\n",nstr);
return nstr;
}
char* useridhash(char* str){
char* hash = malloc(sizeof(char)*20);
int i = (int)str[0];
int len = strlen(str);
int tloop = i*20;
unsigned int hashp = 0;
unsigned int strp = 0;
i = 0;
while(i < tloop){
//printf("i:%d hashp:%u strp:%u tloop:%d\n",i,hashp,strp,tloop);
char tchar = str[strp%len];
hash[hashp%20] += str[strp%len];
hashp+=(int)tchar;
strp+=(int)(hashp*hashp);
i++;
}
i = 0;
//printf("Before characterizeing the hash, it was: %s\n",hash);
while(i < 20){
//printf("Normalizeing %c(%u) as %c(%u)\n",hash[i],(unsigned int)hash[i],(hash[i] % 92) + 32,(hash[i] % 92) + 32);
unsigned int hashnum = hash[i];
unsigned int modedhashnum = hashnum % 92;
//printf("hashnum was %u, after mod it is:%u\n",hashnum,modedhashnum);
hash[i] = modedhashnum + 32;
i++;
}
//printf("Resulting hash was:%s\n",hash);
return hash;
}
int main(){
char teststring[] = "This+is+a+test\nWith\nSome\nNewlines";
printf("Original:%s\n",teststring);
char* parsed = replaceHTML(teststring);
printf("%s\n",parsed);
char teststring2[] = "This%0D%0Ais+another%0D%0Atest";
printf("Original:%s\n",teststring2);
char* parsed2 = replaceHTML(teststring2);
printf("%s\n",parsed2);
char teststring3[] = "This%0D%0AIs%0D%0AAnother%0D%0AMulti%0D%0ALine%0D%0AComment";
printf("Original:%s\n",teststring3);
char* parsed3 = replaceHTML(teststring3);
printf("%s\n",parsed3);
return 0;
}
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