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Last change
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gnu grep version 2.12 (grep-2.12.tar.xz, md5sum=8d2f0346d08b13c18afb81f0e8aa1e2f)
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| 1 | /* malloc() function that is glibc compatible.
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| 2 |
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| 3 | Copyright (C) 1997-1998, 2006-2007, 2009-2012 Free Software Foundation, Inc.
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| 4 |
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| 5 | This program is free software; you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation; either version 3, or (at your option)
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| 8 | any later version.
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| 9 |
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| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. */
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| 17 |
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| 18 | /* written by Jim Meyering and Bruno Haible */
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| 19 |
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| 20 | #define _GL_USE_STDLIB_ALLOC 1
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| 21 | #include <config.h>
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| 22 | /* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */
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| 23 | #ifdef malloc
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| 24 | # define NEED_MALLOC_GNU 1
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| 25 | # undef malloc
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| 26 | /* Whereas the gnulib module 'malloc-gnu' defines HAVE_MALLOC_GNU. */
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| 27 | #elif GNULIB_MALLOC_GNU && !HAVE_MALLOC_GNU
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| 28 | # define NEED_MALLOC_GNU 1
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| 29 | #endif
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| 30 |
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| 31 | #include <stdlib.h>
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| 32 |
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| 33 | #include <errno.h>
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| 34 |
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| 35 | /* Allocate an N-byte block of memory from the heap.
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| 36 | If N is zero, allocate a 1-byte block. */
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| 37 |
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| 38 | void *
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| 39 | rpl_malloc (size_t n)
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| 40 | {
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| 41 | void *result;
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| 42 |
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| 43 | #if NEED_MALLOC_GNU
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| 44 | if (n == 0)
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| 45 | n = 1;
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| 46 | #endif
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| 47 |
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| 48 | result = malloc (n);
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| 49 |
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| 50 | #if !HAVE_MALLOC_POSIX
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| 51 | if (result == NULL)
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| 52 | errno = ENOMEM;
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| 53 | #endif
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| 54 |
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| 55 | return result;
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| 56 | }
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