1/* xalloc.h -- malloc with out-of-memory checking 2 Copyright (C) 1990-1998, 1999 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 2, or (at your option) 7 any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program; if not, write to the Free Software Foundation, 16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 17 18#ifndef XALLOC_H_ 19# define XALLOC_H_ 20 21# ifndef PARAMS 22# if defined PROTOTYPES || (defined __STDC__ && __STDC__) 23# define PARAMS(Args) Args 24# else 25# define PARAMS(Args) () 26# endif 27# endif 28 29/* Exit value when the requested amount of memory is not available. 30 It is initialized to EXIT_FAILURE, but the caller may set it to 31 some other value. */ 32extern int xalloc_exit_failure; 33 34/* If this pointer is non-zero, run the specified function upon each 35 allocation failure. It is initialized to zero. */ 36extern void (*xalloc_fail_func) (); 37 38/* If XALLOC_FAIL_FUNC is undefined or a function that returns, this 39 message must be non-NULL. It is translated via gettext. 40 The default value is "Memory exhausted". */ 41extern char *const xalloc_msg_memory_exhausted; 42 43void *xmalloc PARAMS ((size_t n)); 44void *xcalloc PARAMS ((size_t n, size_t s)); 45void *xrealloc PARAMS ((void *p, size_t n)); 46 47# define XMALLOC(Type, N_bytes) ((Type *) xmalloc (sizeof (Type) * (N_bytes))) 48# define XCALLOC(Type, N_bytes) ((Type *) xcalloc (sizeof (Type), (N_bytes))) 49# define XREALLOC(Ptr, Type, N_bytes) \ 50 ((Type *) xrealloc ((void *) (Ptr), sizeof (Type) * (N_bytes))) 51 52#endif /* !XALLOC_H_ */ 53