view runtime/tools/blink.c @ 16429:a1229400434a v8.1.1219

patch 8.1.1219: not checking for NULL return from alloc() commit https://github.com/vim/vim/commit/6ee9658774942f7448af700fc04df0335796a3db Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 27 22:06:37 2019 +0200 patch 8.1.1219: not checking for NULL return from alloc() Problem: Not checking for NULL return from alloc(). Solution: Add checks. (Martin Kunev, closes https://github.com/vim/vim/issues/4303, closes https://github.com/vim/vim/issues/4174)
author Bram Moolenaar <Bram@vim.org>
date Sat, 27 Apr 2019 22:15:05 +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;
}