1 /* Memory related definitions for program modules. 2 Copyright (C) 1998-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published 7 by the Free Software Foundation; version 2 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, see <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _XMALLOC_H 19 #define _XMALLOC_H 1 20 21 #include <sys/cdefs.h> 22 #include <stddef.h> 23 24 /* Prototypes for a few program-wide used functions. */ 25 extern void *xmalloc (size_t n) 26 __attribute_malloc__ __attribute_alloc_size__ ((1)) __attr_dealloc_free 27 __returns_nonnull; 28 extern void *xcalloc (size_t n, size_t s) 29 __attribute_malloc__ __attribute_alloc_size__ ((1, 2)) __attr_dealloc_free 30 __returns_nonnull; 31 extern void *xrealloc (void *o, size_t n) 32 __attribute_malloc__ __attribute_alloc_size__ ((2)) __attr_dealloc_free; 33 extern char *xstrdup (const char *) __attribute_malloc__ __attr_dealloc_free 34 __returns_nonnull; 35 36 #endif /* xmalloc.h */ 37