st

fork of suckless's simple terminal
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commit 68d8fcf62a4f016c0292db543c1c2e694afc5b54
parent e4bf56ae1a9e2612ec9a6faf2aaecd6eadcccaa7
Author: Aurélien Aptel <aurelien.aptel@gmail.com>
Date:   Wed, 13 Oct 2010 01:27:09 +0200

replaced memset by loops in tresize(); turns out it's faster.

Diffstat:
Mst.c | 13++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git 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 */