From e90c6c0a4d28a3f39e671c74ffe7c3de64650aa7 Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Mon, 25 Mar 2013 19:08:12 +0000
Subject: [PATCH] gui: Speed up add_spaces().
The calls to waddstr() in this function showed up in profiles. So
print the full string at once instead of calling waddstr() for each
character.
---
gui.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/gui.c b/gui.c
index a34f27de..6e44b09d 100644
--- a/gui.c
+++ b/gui.c
@@ -287,14 +287,20 @@ static char *configfile_exists(void)
return file_exists(tmp)? tmp: NULL;
}
-/*
- * print num spaces to curses window
- */
+/* Print given number of spaces to curses window. */
static void add_spaces(WINDOW* win, unsigned int num)
{
- while (num > 0) {
- num--;
- waddstr(win, " ");
+ char space[] = " ";
+ unsigned sz = sizeof(space);
+
+ while (num >= sz) {
+ waddstr(win, space);
+ num -= sz;
+ }
+ if (num > 0) {
+ assert(num < sz);
+ space[num] = '\0';
+ waddstr(win, space);
}
}
--
2.39.5