/**************************************************************************** * Copyright (c) 1998-2000,2012 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /**************************************************************************** * Author: Thomas E. Dickey <dickey@clark.net> 1998 * ****************************************************************************/ /* * Wrapper for malloc/realloc. Standard implementations allow realloc with * a null pointer, but older libraries may not (e.g., SunOS). * * Also if realloc fails, we discard the old memory to avoid leaks. */ #include <curses.priv.h> MODULE_ID("$Id: doalloc.c,v 1.11 2012/11/03 19:27:41 tom Exp $") NCURSES_EXPORT(void *) _nc_doalloc(void *oldp, size_t amount) { void *newp; if (oldp != 0) { if ((newp = realloc(oldp, amount)) == 0) { free(oldp); errno = ENOMEM; /* just in case 'free' reset */ } } else { newp = malloc(amount); } return newp; } |