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Diffstat (limited to 'REORG.TODO/debug/readonly-area.c')
-rw-r--r-- | REORG.TODO/debug/readonly-area.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/REORG.TODO/debug/readonly-area.c b/REORG.TODO/debug/readonly-area.c new file mode 100644 index 0000000000..922e87fe63 --- /dev/null +++ b/REORG.TODO/debug/readonly-area.c @@ -0,0 +1,33 @@ +/* Copyright (C) 2004-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <stdlib.h> + +/* Return 1 if the whole area PTR .. PTR+SIZE is not writable. + Return -1 if it is writable. */ + +int +__readonly_area (const void *ptr, size_t size) +{ + /* We cannot determine in general whether memory is writable or not. + This must be handled in a system-dependent manner. to not + unconditionally break code we need to return here a positive + answer. This disables this security measure but that is the + price people have to pay for using systems without a real + implementation of this interface. */ + return 1; +} |