/* $KAME: vmbuf.c,v 1.10 2001/04/03 15:51:57 thorpej Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * 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 project 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 PROJECT 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 PROJECT 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. */ #define NONEED_DRM #include #include #include #include #include #include "var.h" #include "misc.h" #include "vmbuf.h" #include "debug.h" #include "gcmalloc.h" vchar_t * vmalloc(size) size_t size; { vchar_t *var; if ((var = (vchar_t *)racoon_malloc(sizeof(*var))) == NULL) return NULL; var->l = size; var->v = (caddr_t)racoon_calloc(1, size); if (var->v == NULL) { (void)racoon_free(var); return NULL; } return var; } vchar_t * vrealloc(ptr, size) vchar_t *ptr; size_t size; { caddr_t v; if (ptr != NULL) { if ((v = (caddr_t)racoon_realloc(ptr->v, size)) == NULL) { (void)vfree(ptr); return NULL; } memset(v + ptr->l, 0, size - ptr->l); ptr->v = v; ptr->l = size; } else { if ((ptr = vmalloc(size)) == NULL) return NULL; } return ptr; } void vfree(var) vchar_t *var; { if (var == NULL) return; if (var->v) (void)racoon_free(var->v); (void)racoon_free(var); return; } vchar_t * vdup(src) vchar_t *src; { vchar_t *new; if ((new = vmalloc(src->l)) == NULL) return NULL; memcpy(new->v, src->v, src->l); return new; }