Checking the HTTP Response Status Code

Simple HTTP GET request to download the HTML of a web page. Check the HTTP response status code (i.e. 200, 404, etc) to see if it downloaded successfully.

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

FreeBSD C++ Libraries

HP-UX C++ Libraries

BlackBerry QNX C++ Libraries

#include <C_CkHttp.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    const char * html;
    long status;

    http = CkHttp_Create();

    //  Any string unlocks the component for the 1st 30-days.
    success = CkHttp_UnlockComponent(http,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        return;
    }

    //  Send the HTTP GET and return the content in a string.

    html = CkHttp_quickGetStr(http,"http://www.google.com/");

    status = CkHttp_getLastStatus(http);

    if (status == 200) {
        printf("status = 200, OK!\n");
    }
    else {
        printf("HTTP Response status = %d\n"
            ,status);

        //  Display the complete response header.
        printf("%s\n",CkHttp_lastResponseHeader(http));
    }

    //  Now try a URL where we know we'll get a 404 response:
    html = CkHttp_quickGetStr(http,"http://www.chilkatsoft.com/NothingHere.html");

    status = CkHttp_getLastStatus(http);

    if (status == 200) {
        printf("status = 200, OK!\n");
    }
    else {
        printf("HTTP Response status = %d\n"
            ,status);

        //  Display the complete response header.
        printf("%s\n",CkHttp_lastResponseHeader(http));
    }


    CkHttp_Dispose(http);

    }