Hands-On Network Programming with C by Lewis Van Winkle

Author:Lewis Van Winkle
Language: eng
Format: mobi
Publisher: Praful Palekar
Published: 2019-05-10T12:20:35+00:00

FILE *fp = fopen(full_path, "rb");

if (!fp) {

send_404(client);

return;

}

If fopen() succeeds, then we can use fseek() and ftell() to determine the requested file's size. This is important, as we need to use the file's size in the Content-Length header. The following code finds the file size and stores it in the cl variable:

/*web_server.c except*/

fseek(fp, 0L, SEEK_END);

size_t cl = ftell(fp);

rewind(fp);

Once the file size is known, we also want to get the file's type. This is used in the Content-Type header. We already defined a function, get_content_type(), which makes this task easy. The content type is store in the variable ct by the following code:

/*web_server.c except*/

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