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* build-aux/gendocs.sh (version): * doc/gendocs_template: * doc/gendocs_template_min: * doc/gnulib.texi: * lib/version-etc.c (COPYRIGHT_YEAR): Update copyright dates by hand in templates and the like. * all files: Run 'make update-copyright'.
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* Memory allocation aligned to system page boundaries.
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Copyright (C) 2005, 2008, 2010-2017 Free Software Foundation, Inc.
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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 by
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the Free Software Foundation; either version 3 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 <http://www.gnu.org/licenses/>. */
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#ifndef _PAGEALIGN_ALLOC_H
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# define _PAGEALIGN_ALLOC_H
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# include <stddef.h>
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#if __GNUC__ >= 3
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# define _GL_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
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#else
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# define _GL_ATTRIBUTE_MALLOC
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#endif
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#if ! defined __clang__ && \
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(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
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# define _GL_ATTRIBUTE_ALLOC_SIZE(args) __attribute__ ((__alloc_size__ args))
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#else
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# define _GL_ATTRIBUTE_ALLOC_SIZE(args)
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#endif
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/* Allocate a block of memory of SIZE bytes, aligned on a system page
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boundary.
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If SIZE is not a multiple of the system page size, it will be rounded up
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to the next multiple.
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Return a pointer to the start of the memory block. Upon allocation failure,
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return NULL and set errno. */
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extern void *pagealign_alloc (size_t size)
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_GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_ALLOC_SIZE ((1));
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/* Like pagealign_alloc, except it exits the program if the allocation
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fails. */
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extern void *pagealign_xalloc (size_t size)
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_GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_ALLOC_SIZE ((1));
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/* Free a memory block.
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PTR must be a non-NULL pointer returned by pagealign_alloc or
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pagealign_xalloc. */
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extern void pagealign_free (void *ptr);
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#endif /* _PAGEALIGN_ALLOC_H */
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