view runtime/tools/blink.c @ 29102:fd9006d6ddcf v8.2.5072

patch 8.2.5072: using uninitialized value and freed memory in spell command Commit: https://github.com/vim/vim/commit/2813f38e021c6e6581c0c88fcf107e41788bc835 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 9 19:54:24 2022 +0100 patch 8.2.5072: using uninitialized value and freed memory in spell command Problem: Using uninitialized value and freed memory in spell command. Solution: Initialize "attr". Check for empty line early.
author Bram Moolenaar <Bram@vim.org>
date Thu, 09 Jun 2022 21:00:04 +0200
parents 64035abb986b
children
line wrap: on
line source

/*
 * 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;
}