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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* calloc() function that is glibc compatible.
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This wrapper function is required at least on Tru64 UNIX 5.1.
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Copyright (C) 2004, 2005 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 2, or (at your option)
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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, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* written by Jim Meyering */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#undef calloc
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#include <stdlib.h>
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/* Allocate and zero-fill an NxS-byte block of memory from the heap.
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If N or S is zero, allocate and zero-fill a 1-byte block. */
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void *
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rpl_calloc (size_t n, size_t s)
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{
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size_t bytes;
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if (n == 0 || s == 0)
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return calloc (1, 1);
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/* Defend against buggy calloc implementations that mishandle
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size_t overflow. */
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bytes = n * s;
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if (bytes / s != n)
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return NULL;
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return calloc (n, s);
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}
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