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	tfaster resizing. - st - [fork] customized build of st, the simple terminal
	git clone git://src.adamsgaard.dk/st
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	---
	commit 4db3df312ada9d92564d5580fb4e67f7704efff8
	parent e8c13ebe8001a7870a70b698d8b8fa80b7c90fd3
	Author: Aurélien Aptel <[email protected]>
	Date: Thu, 26 Aug 2010 21:37:12 +0200

	faster resizing.

	Diffstat:
	M st.c \| 21 +++++++++------------

	1 file changed, 9 insertions(+), 12 deletions(-)
	---
	diff --git a/st.c b/st.c
	t@@ -1001,23 +1001,21 @@ tputs(char *s, int len) {
	void
	tresize(int col, int row) {
	int i;
	- Line *line;
	int minrow = MIN(row, term.row);
	int mincol = MIN(col, term.col);

	if(col < 1 \|\| row < 1)
	return;
	- /* alloc */
	- line = calloc(row, sizeof(Line));
	- for(i = 0 ; i < row; i++)
	- line[i] = calloc(col, sizeof(Glyph));
	- /* copy */
	- for(i = 0 ; i < minrow; i++)
	- memcpy(line[i], term.line[i], mincol * sizeof(Glyph));
	- /* free */
	- for(i = 0; i < term.row; i++)
	+
	+ for(i = row; i < term.row; i++)
	free(term.line[i]);
	- free(term.line);
	+ term.line = realloc(term.line, row * sizeof(Line));
	+ for(i = 0; i < minrow; i++) {
	+ term.line[i] = realloc(term.line[i], col * sizeof(Glyph));
	+ memset(term.line[i] + mincol, 0, (col - mincol) * sizeof(Glyph…
	+ }
	+ for(/* i == minrow */; i < row; i++)
	+ term.line[i] = calloc(col, sizeof(Glyph));

	LIMIT(term.c.x, 0, col-1);
	LIMIT(term.c.y, 0, row-1);
	t@@ -1025,7 +1023,6 @@ tresize(int col, int row) {
	LIMIT(term.bot, 0, row-1);

	term.bot = row-1;
	- term.line = line;
	term.col = col, term.row = row;
	}