From f954a53a9a7dced3fb4c80b1e8dd267981ae025d Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Mon, 19 Oct 1998 21:47:13 +0000 Subject: This commit was manufactured by cvs2git to create branch 'OPENBSD_2_4'. --- src/lib/libc/stdlib/atexit.c | 67 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 src/lib/libc/stdlib/atexit.c (limited to 'src/lib/libc/stdlib/atexit.c') diff --git a/src/lib/libc/stdlib/atexit.c b/src/lib/libc/stdlib/atexit.c new file mode 100644 index 0000000000..c0fb624141 --- /dev/null +++ b/src/lib/libc/stdlib/atexit.c @@ -0,0 +1,67 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * 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: atexit.c,v 1.2 1996/08/19 08:33:22 tholo Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include +#include "atexit.h" + +struct atexit *__atexit; + +/* + * Register a function to be performed at exit. + */ +int +atexit(fn) + void (*fn)(); +{ + static struct atexit __atexit0; /* one guaranteed table */ + register struct atexit *p; + + if ((p = __atexit) == NULL) + __atexit = p = &__atexit0; + else if (p->ind >= ATEXIT_SIZE) { + if ((p = malloc(sizeof(*p))) == NULL) + return (-1); + p->ind = 0; + p->next = __atexit; + __atexit = p; + } + p->fns[p->ind++] = fn; + return (0); +} -- cgit v1.2.3-55-g6feb