40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
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/* reallocarray function that is glibc compatible.
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Copyright (C) 2017-2022 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* written by Darshit Shah */
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#include <config.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "intprops.h"
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void *
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reallocarray (void *ptr, size_t nmemb, size_t size)
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{
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size_t nbytes;
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if (INT_MULTIPLY_WRAPV (nmemb, size, &nbytes))
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{
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errno = ENOMEM;
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return NULL;
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}
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/* Rely on the semantics of GNU realloc. */
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return realloc (ptr, nbytes);
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}
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