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b8e8bb324a
Tell the compiler that xmalloc family of allocators always return non-NULL. xrealloc in locale/programs also always returns non-NULL, but that conflicts with default realloc behaviour and that of xrealloc in libsupport, so keep it as is for now and resolve the differences later. Reviewed-by: Florian Weimer <fweimer@redhat.com>
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/* Memory related definitions for program modules.
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Copyright (C) 1998-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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#ifndef _XMALLOC_H
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#define _XMALLOC_H 1
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#include <sys/cdefs.h>
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#include <stddef.h>
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/* Prototypes for a few program-wide used functions. */
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extern void *xmalloc (size_t n)
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__attribute_malloc__ __attribute_alloc_size__ ((1)) __attr_dealloc_free
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__returns_nonnull;
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extern void *xcalloc (size_t n, size_t s)
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__attribute_malloc__ __attribute_alloc_size__ ((1, 2)) __attr_dealloc_free
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__returns_nonnull;
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extern void *xrealloc (void *o, size_t n)
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__attribute_malloc__ __attribute_alloc_size__ ((2)) __attr_dealloc_free;
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extern char *xstrdup (const char *) __attribute_malloc__ __attr_dealloc_free
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__returns_nonnull;
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#endif /* xmalloc.h */
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