1 /* xfree.c -- safe version of free that ignores attempts to free NUL */
3 /* Copyright (C) 1991-2010 Free Software Foundation, Inc.
5 This file is part of the GNU Readline Library (Readline), a library
6 for reading lines of text with interactive input and history editing.
8 Readline is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 Readline is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with Readline. If not, see <http://www.gnu.org/licenses/>.
22 #define READLINE_LIBRARY
24 #if defined (HAVE_CONFIG_H)
28 #if defined (HAVE_STDLIB_H)
31 # include "ansi_stdlib.h"
32 #endif /* HAVE_STDLIB_H */
39 /* **************************************************************** */
41 /* Memory Deallocation. */
43 /* **************************************************************** */
45 /* Use this as the function to call when adding unwind protects so we
46 don't need to know what free() returns. */
52 if (RL_ISSTATE(RL_STATE_SIGHANDLER
))
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