view runtime/tools/blink.c @ 32385:49a13ac4a1b1 v9.0.1524

patch 9.0.1524: passing -1 for bool is not always rejected Commit: https://github.com/vim/vim/commit/8cf51376b842e0060edf08bd2e5bd9933c552ecf Author: zeertzjq <zeertzjq@outlook.com> Date: Mon May 8 15:31:38 2023 +0100 patch 9.0.1524: passing -1 for bool is not always rejected Problem: Passing -1 for bool is not always rejected. Solution: Check for error in a better way. (closes https://github.com/vim/vim/issues/12358)
author Bram Moolenaar <Bram@vim.org>
date Mon, 08 May 2023 16:45:03 +0200
parents 64035abb986b
children
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/*
 * An extremely simple program to make the cursor blink in an xterm.
 * This is useful when the cursor is hard to spot in a highlighted file.
 * Start in the background: "blink&"  Stop by killing it.
 * Bram Moolenaar  980109  (based on an idea from John Lange).
 */

#include <stdio.h>
#include <unistd.h>

	int
main(void)
{
	while (1)
	{
		printf("\e[?25h");
		fflush(stdout);
		usleep(400000);		/* on time */
		printf("\e[?25l");
		fflush(stdout);
		usleep(250000);		/* off time */
	}
	return 0;
}