From 63abb1e790d634cba4162c2997f2ae330d63b703 Mon Sep 17 00:00:00 2001 From: Fred Fish Date: Sun, 15 Mar 1992 02:16:01 +0000 Subject: New memory malloc malloc library, based on GNU malloc. --- mmalloc/mcalloc.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 mmalloc/mcalloc.c (limited to 'mmalloc/mcalloc.c') diff --git a/mmalloc/mcalloc.c b/mmalloc/mcalloc.c new file mode 100644 index 0000000..bc269d5 --- /dev/null +++ b/mmalloc/mcalloc.c @@ -0,0 +1,53 @@ +/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include "mmalloc.h" + +/* Allocate an array of NMEMB elements each SIZE bytes long. + The entire array is initialized to zeros. */ + +PTR +mcalloc (md, nmemb, size) + PTR md; + register size_t nmemb; + register size_t size; +{ + register PTR result; + + if ((result = mmalloc (md, nmemb * size)) != NULL) + { + (void) memset (result, 0, nmemb * size); + } + return (result); +} + +/* When using this package, provide a version of malloc/realloc/free built + on top of it, so that if we use the default sbrk() region we will not + collide with another malloc package trying to do the same thing, if + the application contains any "hidden" calls to malloc/realloc/free (such + as inside a system library). + + NOTE: Defining our own copy of this breaks ANSI conformance. */ + +PTR +calloc (nmemb, size) + size_t nmemb; + size_t size; +{ + return (mcalloc ((void *) NULL, nmemb, size)); +} -- cgit v1.1