Using mg_printf()

examples/post.c

@@ -11,7 +11,7 @@ static const char *html_form =
   "</form></body></html>";
 
 static int handler(struct mg_connection *conn) {
-  char var1[500], var2[500], reply[2000];
+  char var1[500], var2[500];
 
   if (strcmp(conn->uri, "/handle_post_request") == 0) {
     // User has submitted a form, show submitted data and a variable value
@@ -21,21 +21,19 @@ static int handler(struct mg_connection *conn) {
 
     // Send reply to the client, showing submitted form values.
     // POST data is in conn->content, data length is in conn->content_len
-    snprintf(reply, sizeof(reply), "HTTP/1.0 200 OK\r\n"
+    mg_printf(conn, "HTTP/1.0 200 OK\r\n"
              "Content-Type: text/plain\r\n\r\n"
              "Submitted data: [%.*s]\n"
              "Submitted data length: %d bytes\n"
              "input_1: [%s]\n"
              "input_2: [%s]\n",
              conn->content_len, conn->content, conn->content_len, var1, var2);
-    mg_write(conn, reply, strlen(reply));
   } else {
     // Show HTML form.
-    snprintf(reply, sizeof(reply), "HTTP/1.0 200 OK\r\n"
+    mg_printf(conn, "HTTP/1.1 200 OK\r\n"
              "Content-Length: %d\r\n"
              "Content-Type: text/html\r\n\r\n%s",
              (int) strlen(html_form), html_form);
-    mg_write(conn, reply, strlen(reply));
   }
 
   return 1;