http_1_0.c

Demonstrates winyl_change_http.

 
#include <stdio.h>
#include <stdlib.h>
 
#include <winyl/winyl.h>
#include <winyl/request.h>
 
int main(int argc, char* argv[]) {
    winyl host = winyl_open("postman-echo.com", 80);
    
    if (host.error != 0) {
        // We don't handle errors properly here,
        // please see basic.c for proper error handling.
        printf("Error code %d\n", host.error);
 
        winyl_close(&host);
        exit(1);
    }
 
    // the default is HTTP/1.1, let's change it to HTTP/1.0
    winyl_change_http(&host, WINYL_HTTP_1_0);
 
    // we pass WINYL_REQUEST_NO_HEADERS so we can see the raw headers with the body
    winyl_response res = winyl_request(&host, "/get", WINYL_REQUEST_NO_HEADERS);
    if (res.error != 0) {
        printf("Error code %d\n", res.error);
 
        winyl_response_close(&res);
        winyl_close(&host);
        exit(1);
    }
 
    // Unfortunately, a server returning a HTTP/1.1 response to a HTTP/1.0 request
    // is valid behavior. Note it might be thrown off by the library sending a
    // Host header, even with a HTTP/1.0 request for compatiblity reasons.
    // 
    // We can verify this behavior with curl aswell.
    // curl -v --http1.0 http://postman-echo.com/get
    printf("See notes in the example's code!\n");
 
    printf("%s\n", res.body);
 
    winyl_response_close(&res);
    winyl_close(&host);
    exit(0);
}