From b3d4a938bbe5def3164f14fc53e36b15c3ebbc77 Mon Sep 17 00:00:00 2001 From: millert <> Date: Wed, 10 Nov 1999 20:12:31 +0000 Subject: [PATCH] calloc() needs to be separate from malloc in case a user wants to have their own malloc() implementation. --- src/lib/libc/stdlib/calloc.c | 53 ++++++++++++++++++++++++++++++++++++ src/lib/libc/stdlib/malloc.c | 26 +----------------- 2 files changed, 54 insertions(+), 25 deletions(-) create mode 100644 src/lib/libc/stdlib/calloc.c diff --git a/src/lib/libc/stdlib/calloc.c b/src/lib/libc/stdlib/calloc.c new file mode 100644 index 00000000..e79d71f9 --- /dev/null +++ b/src/lib/libc/stdlib/calloc.c @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = "$OpenBSD: calloc.c,v 1.5 1999/11/10 20:12:31 millert Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include +#include + +void * +calloc(num, size) + size_t num; + register size_t size; +{ + register void *p; + + size *= num; + p = malloc(size); + if (p) + memset(p, 0, size); + return(p); +} diff --git a/src/lib/libc/stdlib/malloc.c b/src/lib/libc/stdlib/malloc.c index 3582d798..88e25995 100644 --- a/src/lib/libc/stdlib/malloc.c +++ b/src/lib/libc/stdlib/malloc.c @@ -8,7 +8,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: malloc.c,v 1.37 1999/11/09 19:25:33 millert Exp $"; +static char rcsid[] = "$OpenBSD: malloc.c,v 1.38 1999/11/10 20:12:31 millert Exp $"; #endif /* LIBC_SCCS and not lint */ /* @@ -1278,27 +1278,3 @@ realloc(void *ptr, size_t size) wrterror("out of memory.\n"); return (r); } - -void * -calloc(size_t num, size_t size) -{ - register void *r; - - malloc_func = " in calloc():"; - THREAD_LOCK(); - if (malloc_active++) { - wrtwarning("recursive call.\n"); - malloc_active--; - return (0); - } - size *= num; - r = imalloc(size); - if (r && !malloc_zero) - memset(r, 0, size) - UTRACE(0, size, r); - malloc_active--; - THREAD_UNLOCK(); - if (malloc_xmalloc && !r) - wrterror("out of memory.\n"); - return (r); -}