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view toys/other/swapon.c @ 674:7e846e281e38

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New build infrastructure to generate FLAG_ macros and TT alias, #define FOR_commandname before #including toys.h to trigger it. Rename DEFINE_GLOBALS() to just GLOBALS() (because I could never remember if it was DECLARE_GLOBALS). Convert existing commands to use new infrastructure, and replace optflag constants with FLAG_ macros where appropriate.
author Rob Landley <rob@landley.net>
date Mon, 08 Oct 2012 00:02:30 -0500
parents 6df4ccc0acbe
children 786841fdb1e0
line wrap: on
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/* vi: set sw=4 ts=4:
 *
 * swapon.c - Enable region for swapping
 *
 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>

USE_SWAPON(NEWTOY(swapon, "<1>1p#<0>32767", TOYFLAG_BIN|TOYFLAG_NEEDROOT))

config SWAPON
	bool "swapon"
	default y
	help
	  usage: swapon [-p priority] filename

	  Enable swapping on a given device/file.
*/

#define FOR_swapon
#include "toys.h"

GLOBALS(
	long priority;
)

void swapon_main(void)
{
	int flags = 0;

	if (toys.optflags)
		flags = SWAP_FLAG_PREFER | (TT.priority << SWAP_FLAG_PRIO_SHIFT);

	if (swapon(*toys.optargs, flags))
		perror_exit("Couldn't swapon '%s'", *toys.optargs);
}