main.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
#include "util.h"

int main(int argc, char *argv[0]) {

	if(argc != 2) {
		printf("usage: ./curl <url>\n");
		return 1;
	}

	CURL *curl_handle;
	CURLcode res;

	struct MemoryStruct chunk;
	chunk.memory = malloc(1);
	chunk.size = 0;

	curl_handle = curl_easy_init();
	if (curl_handle) {
		curl_easy_setopt(curl_handle, CURLOPT_URL, argv[1]);
		curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, 1L);
		curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
		curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);
		curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "libcurl-agent/1.0");

		res = curl_easy_perform(curl_handle);

		if (res != CURLE_OK) {
			fprintf(stderr, "error: %s\n", curl_easy_strerror(res));
		} else {
			long http_code;
			curl_easy_getinfo(curl_handle, CURLINFO_RESPONSE_CODE, &http_code);
			printf("Status: %lu\n", (unsigned long)http_code);
			printf("Size: %lu\n", (unsigned long)chunk.size);
			printf("Data: %s\n", chunk.memory);
		}

		curl_easy_cleanup(curl_handle);
		free(chunk.memory);
	}
	return 0;
}