/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1993 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/* LINTLIBRARY */

#include "unistd.h"
#include "sys/types.h"
#include "sys/stat.h"
#include "errno.h"
#include "fcntl.h"
#include "stdlib.h"
#include "string.h"

/**
 ** _Malloc()
 ** _Realloc()
 ** _Calloc()
 ** _Strdup()
 ** _Free()
 **/

#if     !defined(TRACE_MALLOC)

#if     defined(__STDC__)
void                    (*lp_alloc_fail_handler)( void ) = 0;
#else
void                    (*lp_alloc_fail_handler)() = 0;
#endif

#if     defined(__STDC__)
typedef void *alloc_type;
#else
typedef char *alloc_type;
#endif

alloc_type
#if     defined(__STDC__)
_Malloc (
        size_t                  size,
        const char *            file,
        int                     line
)
#else
_Malloc (size, file, line)
        size_t                  size;
        char *                  file;
        int                     line;
#endif
{
        alloc_type              ret     = malloc(size);

        if (!ret) {
                if (lp_alloc_fail_handler)
                        (*lp_alloc_fail_handler)();
                errno = ENOMEM;
        }
        return (ret);
}

alloc_type
#if     defined(__STDC__)
_Realloc (
        void *                  ptr,
        size_t                  size,
        const char *            file,
        int                     line
)
#else
_Realloc (ptr, size, file, line)
        char *                  ptr;
        size_t                  size;
        char *                  file;
        int                     line;
#endif
{
        alloc_type              ret     = realloc(ptr, size);

        if (!ret) {
                if (lp_alloc_fail_handler)
                        (*lp_alloc_fail_handler)();
                errno = ENOMEM;
        }
        return (ret);
}

alloc_type
#if     defined(__STDC__)
_Calloc (
        size_t                  nelem,
        size_t                  elsize,
        const char *            file,
        int                     line
)
#else
_Calloc (nelem, elsize, file, line)
        size_t                  nelem;
        size_t                  elsize;
        char *                  file;
        int                     line;
#endif
{
        alloc_type              ret     = calloc(nelem, elsize);

        if (!ret) {
                if (lp_alloc_fail_handler)
                        (*lp_alloc_fail_handler)();
                errno = ENOMEM;
        }
        return (ret);
}

char *
#if     defined(__STDC__)
_Strdup (
        const char *            s,
        const char *            file,
        int                     line
)
#else
_Strdup (s, file, line)
        char *                  s;
        char *                  file;
        int                     line;
#endif
{
        char *                  ret;

        if (!s)
                return( (char *) 0);

        ret = strdup(s);

        if (!ret) {
                if (lp_alloc_fail_handler)
                        (*lp_alloc_fail_handler)();
                errno = ENOMEM;
        }
        return (ret);
}

void
#if     defined(__STDC__)
_Free (
        void *                  ptr,
        const char *            file,
        int                     line
)
#else
_Free (ptr, file, line)
        char *                  ptr;
        char *                  file;
        int                     line;
#endif
{
        free (ptr);
        return;
}

#else
# include "mdl.c"
#endif