basic.c

A simple example on how to utilize the library.

 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include <winyl/winyl.h>
#include <winyl/request.h>
#include <winyl/header.h>
 
int main(int argc, char* argv[]) {
    winyl host = winyl_open("postman-echo.com", 80);
 
    if (host.error != 0) {
        // some of these cannot happen when things are hardcoded,
        // but they're good to show off all the errors
        
        if (host.error == WINYL_ERROR_PORT) printf("Invalid port (outside of 0-65535)\n");
        else if (host.error == WINYL_ERROR_DNS) printf("Error calling net_gethostbyname()\n");
        else if (host.error == WINYL_ERROR_MALLOC) printf("Failed to allocate memory\n");
        
        winyl_close(&host);
        exit(1);
    }
 
    winyl_response res = winyl_request(&host, "/get", 0);
 
    if (res.error != 0) {
        if (host.error == WINYL_ERROR_SOCKET) printf("Error calling net_socket()\n");
        else if (host.error == WINYL_ERROR_CONNECT) printf("Error calling net_connect()\n");
        else if (host.error == WINYL_ERROR_SEND) printf("Error calling net_send()\n");
        else if (host.error == WINYL_ERROR_RECV) printf("Error calling net_recv()\n");
        else if (host.error == WINYL_ERROR_CLOSE) printf("Error calling net_close()\n");
        else if (host.error == WINYL_ERROR_MALLOC) printf("Failed to allocate memory\n");
 
        winyl_response_close(&res);
        winyl_close(&host);
        exit(1);
    }
 
    printf("HTTP/%d.%d %d %s\n", res.http_version / 10, res.http_version % 10, res.status, res.status_text);
    
    // this simply prints all headers,
    // you do not have to process this, check out headers.c
    for (int i = 0; i < res.headers_count; i++) {
        printf("%s: %s\n", res.headers[i].name, res.headers[i].value);
    }
    printf("%s\n", res.body);
 
    // close all used resources like a good C programmer
    winyl_response_close(&res);
    winyl_close(&host);
    exit(0);
}