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File: [local] / src / bin / csh / alloc.c (download)
Revision 1.20, Tue Sep 18 17:48:22 2018 UTC (5 years, 8 months ago) by millert
Restore the xmalloc(), xcalloc(), xreallocarray() and xstrdup() changes. OK deraadt@ |
/* $OpenBSD: alloc.c,v 1.20 2018/09/18 17:48:22 millert Exp $ */ /* $NetBSD: alloc.c,v 1.6 1995/03/21 09:02:23 cgd Exp $ */ /*- * Copyright (c) 1983, 1991, 1993 * 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. 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. */ #include <sys/types.h> #include <unistd.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> #include "csh.h" #include "extern.h" void * xmalloc(size_t n) { void *ptr; if ((ptr = malloc(n)) == NULL) { child++; stderror(ERR_NOMEM); } return (ptr); } void * xreallocarray(void * p, size_t c, size_t n) { void *ptr; if ((ptr = reallocarray(p, c, n)) == NULL) { child++; stderror(ERR_NOMEM); } return (ptr); } void * xcalloc(size_t s, size_t n) { void *ptr; if ((ptr = calloc(s, n)) == NULL) { child++; stderror(ERR_NOMEM); } return (ptr); } char * xstrdup(const char *s) { char *n; if (s == NULL) s = ""; if ((n = strdup(s)) == NULL) { child++; stderror(ERR_NOMEM); } return (n); }