2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
2N/A * Use is subject to license terms.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A#include <stddef.h>
2N/A#include <stdlib.h>
2N/A#include <stdio.h>
2N/A#include <stdarg.h>
2N/A#include <string.h>
2N/A#include <locale.h>
2N/A#include <sys/param.h>
2N/A#include <config_admin.h>
2N/A#include "mema_util.h"
2N/A
2N/A/*
2N/A * The libmemadm routines can return arbitrary error strings. As the
2N/A * calling program does not know how long these errors might be,
2N/A * the library routines must allocate the required space and the
2N/A * calling program must deallocate it.
2N/A *
2N/A * This routine povides a printf-like interface for creating the
2N/A * error strings.
2N/A */
2N/A
2N/A#define FMT_STR_SLOP (16)
2N/A
2N/Avoid
2N/A__fmt_errstring(
2N/A char **errstring,
2N/A size_t extra_length_hint,
2N/A const char *fmt,
2N/A ...)
2N/A{
2N/A char *ebuf;
2N/A size_t elen;
2N/A va_list ap;
2N/A
2N/A /*
2N/A * If no errors required or error already set, return.
2N/A */
2N/A if ((errstring == NULL) || (*errstring != NULL))
2N/A return;
2N/A
2N/A elen = strlen(fmt) + extra_length_hint + FMT_STR_SLOP;
2N/A
2N/A if ((ebuf = (char *)malloc(elen + 1)) == NULL)
2N/A return;
2N/A
2N/A va_start(ap, fmt);
2N/A (void) vsprintf(ebuf, fmt, ap);
2N/A va_end(ap);
2N/A
2N/A if (strlen(ebuf) > elen)
2N/A abort();
2N/A
2N/A *errstring = ebuf;
2N/A}