From 68d8fcf62a4f016c0292db543c1c2e694afc5b54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Aptel?= <aurelien.aptel@gmail.com>
Date: Wed, 13 Oct 2010 01:27:09 +0200
Subject: [PATCH] replaced memset by loops in tresize(); turns out it's faster.
---
st.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/st.c b/st.c
index 37c4048..0042204 100644
--- a/st.c
+++ b/st.c
@@ -677,7 +677,7 @@ tsetchar(char c) {
void
tclearregion(int x1, int y1, int x2, int y2) {
- int y, temp;
+ int x, y, temp;
if(x1 > x2)
temp = x1, x1 = x2, x2 = temp;
@@ -690,7 +690,8 @@ tclearregion(int x1, int y1, int x2, int y2) {
LIMIT(y2, 0, term.row-1);
for(y = y1; y <= y2; y++)
- memset(&term.line[y][x1], 0, sizeof(Glyph)*(x2-x1+1));
+ for(x = x1; x <= x2; x++)
+ term.line[y][x].state = 0;
}
void
@@ -1192,7 +1193,7 @@ tputs(char *s, int len) {
void
tresize(int col, int row) {
- int i;
+ int i, x;
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
int slide = term.c.y - row + 1;
@@ -1226,8 +1227,10 @@ tresize(int col, int row) {
for(i = 0; i < minrow; i++) {
term.line[i] = realloc(term.line[i], col * sizeof(Glyph));
term.alt[i] = realloc(term.alt[i], col * sizeof(Glyph));
- memset(term.line[i] + mincol, 0, (col - mincol) * sizeof(Glyph));
- memset(term.alt[i] + mincol, 0, (col - mincol) * sizeof(Glyph));
+ for(x = mincol; x < col; x++) {
+ term.line[i][x].state = 0;
+ term.alt[i][x].state = 0;
+ }
}
/* allocate any new rows */