Mercurial > hg > octave-nkf > gnulib-hg
annotate lib/safe-alloc.h @ 12559:c2cbabec01dd
update nearly all FSF copyright year lists to include 2010
Use the same procedure as for 2009, outlined in
http://thread.gmane.org/gmane.comp.lib.gnulib.bugs/20081
| author | Jim Meyering <meyering@redhat.com> |
|---|---|
| date | Fri, 01 Jan 2010 10:31:12 +0100 (2010-01-01) |
| parents | 200a0145c440 |
| children | 094f6cfdb5c3 |
| rev | line source |
|---|---|
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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changeset
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1 /* safe-alloc.h: safer memory allocation |
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
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2 |
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update nearly all FSF copyright year lists to include 2010
Jim Meyering <meyering@redhat.com>
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3 Copyright (C) 2009, 2010 Free Software Foundation, Inc. |
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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4 |
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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5 This program is free software: you can redistribute it and/or modify it |
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Use the standard header with GPL copyright.
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6 under the terms of the GNU General Public License as published by the |
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200a0145c440
Use the standard header with GPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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7 Free Software Foundation; either version 3 of the License, or any |
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Use the standard header with GPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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8 later version. |
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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9 |
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
11253
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changeset
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10 This program is distributed in the hope that it will be useful, |
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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Bruno Haible <bruno@clisp.org>
parents:
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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200a0145c440
Use the standard header with GPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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13 GNU General Public License for more details. |
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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14 |
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Use the standard header with GPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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15 You should have received a copy of the GNU General Public License |
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Use the standard header with LGPL copyright.
Bruno Haible <bruno@clisp.org>
parents:
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 11173 | 17 |
| 18 /* Written by Daniel Berrange <berrange@redhat.com>, 2008 */ | |
| 19 | |
| 20 #ifndef SAFE_ALLOC_H_ | |
| 21 # define SAFE_ALLOC_H_ | |
| 22 | |
| 23 # include <stdlib.h> | |
| 24 | |
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25 #ifndef __GNUC_PREREQ |
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26 # if defined __GNUC__ && defined __GNUC_MINOR__ |
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27 # define __GNUC_PREREQ(maj, min) \ |
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28 ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) |
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29 # else |
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30 # define __GNUC_PREREQ(maj, min) 0 |
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31 # endif |
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David Lutterkort <lutter@redhat.com>
parents:
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32 #endif |
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David Lutterkort <lutter@redhat.com>
parents:
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33 |
| 11173 | 34 # ifndef ATTRIBUTE_RETURN_CHECK |
| 35 # if __GNUC_PREREQ (3, 4) | |
| 36 # define ATTRIBUTE_RETURN_CHECK __attribute__((__warn_unused_result__)) | |
| 37 # else | |
| 38 # define ATTRIBUTE_RETURN_CHECK | |
| 39 # endif | |
| 40 # endif | |
| 41 | |
| 42 /* Don't call these directly - use the macros below */ | |
| 43 int | |
| 44 safe_alloc_alloc_n (void *ptrptr, size_t size, size_t count, int zeroed) | |
| 45 ATTRIBUTE_RETURN_CHECK; | |
| 46 | |
| 47 int | |
| 48 safe_alloc_realloc_n (void *ptrptr, size_t size, size_t count) | |
| 49 ATTRIBUTE_RETURN_CHECK; | |
| 50 | |
| 51 /** | |
| 52 * ALLOC: | |
| 53 * @ptr: pointer to hold address of allocated memory | |
| 54 * | |
| 55 * Allocate sizeof(*ptr) bytes of memory and store | |
| 56 * the address of allocated memory in 'ptr'. Fill the | |
| 57 * newly allocated memory with zeros. | |
| 58 * | |
| 59 * Return -1 on failure to allocate, zero on success | |
| 60 */ | |
| 61 # define ALLOC(ptr) \ | |
| 62 safe_alloc_alloc_n (&(ptr), sizeof(*(ptr)), 1, 1) | |
| 63 | |
| 64 /** | |
| 65 * ALLOC_N: | |
| 66 * @ptr: pointer to hold address of allocated memory | |
| 67 * @count: number of elements to allocate | |
| 68 * | |
| 69 * Allocate an array of 'count' elements, each sizeof(*ptr) | |
| 70 * bytes long and store the address of allocated memory in | |
| 71 * 'ptr'. Fill the newly allocated memory with zeros. | |
| 72 * | |
| 73 * Return -1 on failure, 0 on success | |
| 74 */ | |
| 75 # define ALLOC_N(ptr, count) \ | |
| 76 safe_alloc_alloc_n (&(ptr), sizeof(*(ptr)), (count), 1) | |
| 77 | |
| 78 /** | |
| 79 * ALLOC_N_UNINITIALIZED: | |
| 80 * @ptr: pointer to hold address of allocated memory | |
| 81 * @count: number of elements to allocate | |
| 82 * | |
| 83 * Allocate an array of 'count' elements, each sizeof(*ptr) | |
| 84 * bytes long and store the address of allocated memory in | |
| 85 * 'ptr'. Do not initialize the new memory at all. | |
| 86 * | |
| 87 * Return -1 on failure to allocate, zero on success | |
| 88 */ | |
| 89 # define ALLOC_N_UNINITIALIZED(ptr, count) \ | |
| 90 safe_alloc_alloc_n (&(ptr), sizeof(*(ptr)), (count), 0) | |
| 91 | |
| 92 /** | |
| 93 * REALLOC_N: | |
| 94 * @ptr: pointer to hold address of allocated memory | |
| 95 * @count: number of elements to allocate | |
| 96 * | |
| 97 * Re-allocate an array of 'count' elements, each sizeof(*ptr) | |
| 98 * bytes long and store the address of allocated memory in | |
| 99 * 'ptr'. Fill the newly allocated memory with zeros | |
| 100 * | |
| 101 * Return -1 on failure to reallocate, zero on success | |
| 102 */ | |
| 103 # define REALLOC_N(ptr, count) \ | |
| 104 safe_alloc_realloc_n (&(ptr), sizeof(*(ptr)), (count)) | |
| 105 | |
| 106 /** | |
| 107 * FREE: | |
| 108 * @ptr: pointer holding address to be freed | |
| 109 * | |
| 110 * Free the memory stored in 'ptr' and update to point | |
| 111 * to NULL. | |
| 112 */ | |
| 113 # define FREE(ptr) \ | |
| 114 do \ | |
| 115 { \ | |
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Cosmetic tweaks in the safe-alloc module.
Bruno Haible <bruno@clisp.org>
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116 free (ptr); \ |
| 11173 | 117 (ptr) = NULL; \ |
| 118 } \ | |
| 119 while(0) | |
| 120 | |
| 121 #endif /* SAFE_ALLOC_H_ */ |