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45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/* Memory allocators such as malloc+free.
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Copyright (C) 2011 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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/* Written by Paul Eggert. */
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#ifndef _GL_ALLOCATOR_H
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#include <stddef.h>
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struct allocator
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{
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/* Call MALLOC to allocate memory, like 'malloc'. On failure MALLOC
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should return NULL, though not necessarily set errno. When given
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a zero size it may return NULL even if successful. */
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void *(*malloc) (size_t);
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/* If nonnull, call REALLOC to reallocate memory, like 'realloc'.
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On failure REALLOC should return NULL, though not necessarily set
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errno. When given a zero size it may return NULL even if
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successful. */
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void *(*realloc) (void *, size_t);
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/* Call FREE to free memory, like 'free'. */
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void (*free) (void *);
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/* If nonnull, call DIE if MALLOC or REALLOC fails. DIE should
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not return. */
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void (*die) (void);
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};
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#endif
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