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

[st.git] / st.c

diff --git a/st.c b/st.c
index 37c4048..0042204 100644 (file)
--- a/st.c
+++ b/st.c
@@ -677,7 +677,7 @@ tsetchar(char c) {
 
 void
 tclearregion(int x1, int y1, int x2, int y2) {
 
 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;
 
        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++)
        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
 }
 
 void


@@ -1192,7 +1193,7 @@ tputs(char *s, int len) {
 
 void
 tresize(int col, int row) {
 
 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;
        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));
        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 */
        }
 
        /* allocate any new rows */