An example url protocol stripper for bryn

urlstrip.c

#include <stdlib.h>
#include <string.h>
#include <stdio.h>

char *urlStrip(char *inputUrl, int *ret_sz) {
    /* if inputUrl isn't allocated dynamically you doin't need to pass sz_url you can just do sizeof(inputUlr) */
    int pos = 0;
    int sz_url = strlen(inputUrl);
    while(pos < sz_url - 1 && inputUrl[pos] != '/' && inputUrl[pos+1] != '/') {
        /*printf("%d -> %c\n", pos, inputUrl[pos]);*/
        pos++;
    }
    if(pos < sz_url - 1) pos+=2;
    else pos = 0;

    char *urlBuff;
    *ret_sz = sz_url - pos + 1;
    urlBuff = (char*) malloc(*ret_sz);
    memcpy(urlBuff, &inputUrl[pos], sz_url - pos);
    return urlBuff;
} 

int main() {
    char *http_example = "http://www.google.com";
    char *https_example = "https://www.google.com";
    char *www_example = "www.google.com";
    int sz;
    char *http_stripped = urlStrip(http_example, &sz);
    printf("%s -> %s\n",http_example, http_stripped);
    char *https_stripped = urlStrip(http_example, &sz);
    printf("%s -> %s\n",https_example, https_stripped);
    char *www_stripped = urlStrip(www_example, &sz);
    printf("%s -> %s\n",www_example, www_stripped);
    return;
}