base64 emcoding test program

base64encoder.c

#include <stdio.h>
#include <string.h>
#include <curl/curl.h>

#define F "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\x01\xff"
#define F2 F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F
#define F3 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2 F2
#define F4 F3 F3

int main(void)
{
  printf("%s\n", curl_version());
  CURL *curl;
  CURLcode res;

  curl_global_init(CURL_GLOBAL_DEFAULT);
  curl = curl_easy_init();
  if(curl) {
    size_t max = strlen(F4); /* this ends up 106128 bytes */
    size_t i;
    printf("Max length: %zu\n", max);
    for(i = 1; i < max; i++ ) {
      char *out;
      size_t outlen;
      Curl_base64_encode(F4, i, &out, &outlen);
      curl_free(out);
    }
    curl_easy_cleanup(curl);
  }
  curl_global_cleanup();
  return 0;
}