mirror of
https://git.rtems.org/rtems-libbsd/
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144 lines
3.4 KiB
C
144 lines
3.4 KiB
C
/**
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* @file
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*
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* @ingroup rtems_bsd_rtems
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*
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* @brief TODO.
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*/
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1987, 1991, 1993
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* The Regents of the University of California.
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* Copyright (c) 2005-2009 Robert N. M. Watson
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* Copyright (c) 2008 Otto Moerbeek <otto@drijf.net> (mallocarray)
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* Copyright (c) 2009, 2018 embedded brains GmbH
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)kern_malloc.c 8.3 (Berkeley) 1/4/94
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*/
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#include <machine/rtems-bsd-kernel-space.h>
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#include <machine/rtems-bsd-support.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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MALLOC_DEFINE(M_DEVBUF, "devbuf", "device driver memory");
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MALLOC_DEFINE(M_TEMP, "temp", "misc temporary data buffers");
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MALLOC_DEFINE(M_IOV, "iov", "large iov's");
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void
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malloc_init(void *data)
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{
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}
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void
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malloc_uninit(void *data)
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{
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struct malloc_type *mtp = data;
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BSD_PRINTF( "desc = %s\n", mtp->ks_shortdesc);
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}
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#undef malloc
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void *
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_bsd_malloc(size_t size, struct malloc_type *mtp, int flags)
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{
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void *p = malloc(size > 0 ? size : 1);
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if ((flags & M_ZERO) != 0 && p != NULL) {
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memset(p, 0, size);
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}
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return (p);
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}
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void *
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mallocarray(size_t nmemb, size_t size, struct malloc_type *type, int flags)
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{
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if (WOULD_OVERFLOW(nmemb, size))
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panic("mallocarray: %zu * %zu overflowed", nmemb, size);
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return (_bsd_malloc(size * nmemb, type, flags));
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}
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#undef realloc
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void *
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_bsd_realloc( void *addr, size_t size, struct malloc_type *type, int flags)
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{
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void *p = realloc(addr, size > 0 ? size : 1);
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if ((flags & M_ZERO) != 0 && p != NULL) {
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memset(p, 0, size);
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}
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return p;
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}
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#undef reallocf
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void *
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_bsd_reallocf( void *addr, size_t size, struct malloc_type *type, int flags)
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{
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void *p = realloc(addr, size > 0 ? size : 1);
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if (p == NULL) {
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free(addr, NULL);
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}
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return (p);
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}
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#undef free
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void
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_bsd_free(void *addr, struct malloc_type *mtp)
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{
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free(addr);
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}
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#undef strdup
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char *
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_bsd_strdup(const char *__restrict s, struct malloc_type *type)
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{
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return (strdup(s));
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}
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