diff options
author | Stephen Kitt <skitt@debian.org> | 2016-05-27 10:11:04 +0200 |
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committer | Manuel A. Fernandez Montecelo <manuel.montezelo@gmail.com> | 2016-05-27 14:28:33 +0100 |
commit | 752fd7247bc223bcea35bd89cf56d1c08ead9ba6 (patch) | |
tree | b4a428f847a963738faaf24c8eff070fdb03a3a5 /tests/xalloc-oversized.h | |
parent | 9f7d4fa477ff2a51d7c932b13d57ac22dc033105 (diff) | |
parent | a9a31b1de5776a3b08a82101a4fa711294f0dd1d (diff) |
Imported Debian patch 0.9.6+really0.9.3-0.1debian/0.9.6+really0.9.3-0.1
Diffstat (limited to 'tests/xalloc-oversized.h')
-rw-r--r-- | tests/xalloc-oversized.h | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/tests/xalloc-oversized.h b/tests/xalloc-oversized.h deleted file mode 100644 index f0e9778..0000000 --- a/tests/xalloc-oversized.h +++ /dev/null @@ -1,38 +0,0 @@ -/* xalloc-oversized.h -- memory allocation size checking - - Copyright (C) 1990-2000, 2003-2004, 2006-2015 Free Software Foundation, Inc. - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -#ifndef XALLOC_OVERSIZED_H_ -# define XALLOC_OVERSIZED_H_ - -# include <stddef.h> - -/* Return 1 if an array of N objects, each of size S, cannot exist due - to size arithmetic overflow. S must be positive and N must be - nonnegative. This is a macro, not a function, so that it - works correctly even when SIZE_MAX < N. - - By gnulib convention, SIZE_MAX represents overflow in size - calculations, so the conservative dividend to use here is - SIZE_MAX - 1, since SIZE_MAX might represent an overflowed value. - However, malloc (SIZE_MAX) fails on all known hosts where - sizeof (ptrdiff_t) <= sizeof (size_t), so do not bother to test for - exactly-SIZE_MAX allocations on such hosts; this avoids a test and - branch when S is known to be 1. */ -# define xalloc_oversized(n, s) \ - ((size_t) (sizeof (ptrdiff_t) <= sizeof (size_t) ? -1 : -2) / (s) < (n)) - -#endif /* !XALLOC_OVERSIZED_H_ */ |