Fix issue with render and new buffer char*/len system.

render.cpp

@@ -1,8 +1,8 @@
-#include <unistd.h> // usleep
+#include <ctype.h>
 #include <stdio.h>
-#include <time.h>
 #include <string.h>
-#include <ctype.h>
+#include <time.h>
+#include <unistd.h> // usleep
 
 #include "render.h"
 #include "terminal.h"
@@ -41,7 +41,6 @@ void render_sleep(void) {
   }
 }
 
-
 /*
 Well SNAP!  Mystic numbers don't remotely match ANSI color codes.
 
@@ -448,7 +447,7 @@ void render(int fd, const char *string_out, int len) {
   // Check our time from time to time.
   // If we start running long, disable sleeps.
 
-  while ((trigger = strnstr(cp, len - (cp - trigger), TRIGGER)) != NULL) {
+  while ((trigger = strnstr(cp, len - (cp - string_out), TRIGGER)) != NULL) {
     // There is special things to handle in here.
     while (cp != trigger) {
       elapsed = time(NULL) - start;