WMII Reforge  Artifact [b6b5131b45]

Artifact b6b5131b45de72020a1fcbe3c7c3b58d3cb5be00d0ad17a2bfbead3acc791309:

• File cmd/wmii/error.c — part of check-in [15eae1e8e6] at 2019-06-20 16:42:23 on branch trunk — Import sources to have something to work with (user: KhazAkar size: 604)

/* Copyright ©2007-2010 Kris Maglione <jg@suckless.org>
 * See LICENSE file for license details.
 */

#include "dat.h"
#include "fns.h"

static jmp_buf	errjmp[16];
static long	nerror;

void
error(char *fmt, ...) {
	char errbuf[IXP_ERRMAX];
	va_list ap;

	va_start(ap, fmt);
	vsnprint(errbuf, IXP_ERRMAX, fmt, ap);
	va_end(ap);
	ixp_errstr(errbuf, IXP_ERRMAX);

	nexterror();
}

void
nexterror(void) {
	assert(nerror > 0);
	longjmp(errjmp[--nerror], 1);
}

void
poperror(void) {
	assert(nerror > 0);
	--nerror;
}

jmp_buf*
pusherror(void) {
	assert(nerror < nelem(errjmp));
	return &errjmp[nerror++];
}