binutils-gdb/readline/xfree.c

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Imported readline 6.2, and upstream patch 001. [patch 0/3] readline-6.2 rebase http://sourceware.org/ml/gdb-patches/2011-05/msg00003.html [patch 1/3] readline-6.2: Merge of already posted patches http://sourceware.org/ml/gdb-patches/2011-05/msg00004.html = [Bug-readline] [RFC/readline] bind.c, rl_function_dumper, Free allocated http://lists.gnu.org/archive/html/bug-readline/2011-03/msg00000.html [Bug-readline] [patch] Fix underquotation in readline/examples/rlfe/conf http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00001.html [Bug-readline] [patch] Makefile.in htm<->html http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00002.html Re: [Bug-readline] [patch] Makefile.in dependency: callback.o: xmalloc.h http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00004.html [Bug-readline] [patch] Remove . from the VPATH directive http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00005.html Eli Zaretskii's __MSDOS__ / __GO32__ / __MINGW32__ / __DJGPP__ stuff: http://sourceware.org/ml/gdb/2011-04/msg00002.html Jan Kratochvil's patch for FSF GDB tree local-specific changes: http://sourceware.org/ml/gdb/2011-04/msg00006.html Preservation of existing ChangeLog.gdb files, their updates. [patch 2/3] readline-6.2: Workaround "ask" regression http://sourceware.org/ml/gdb-patches/2011-05/msg00005.html [patch 3/3] readline-6.2: Revert 5.x compat., apply 6.x compat. http://sourceware.org/ml/gdb-patches/2011-05/msg00006.html [patch 4/3] readline-6.2: Substitute inc-hist.texinfo http://sourceware.org/ml/gdb-patches/2011-05/msg00010.html readline/ Workaround gdb.base/completion.exp regression on readline-6.2. * complete.c (get_y_or_n): Disable the return on RL_STATE_CALLBACK. Imported readline 6.2, and upstream patch 001. * configure: Regenerate. readline/doc/ * hsuser.texi (Using History Interactively): Disable !BashFeatures @defcodeindex. Make the `Programming with GNU History' reference external. * inc-hist.texinfo: Remove. Imported readline 6.2, and upstream patch 001. readline/examples/ Imported readline 6.2, and upstream patch 001. readline/examples/rlfe/ Imported readline 6.2, and upstream patch 001. gdb/ * config.in: Regenerate. * configure: Regenerate. * configure.ac <--with-system-readline> (for readline_echoing_p): Remove the test. * tui/tui-io.c (tui_old_readline_echoing_p): Rename to ... (tui_old_rl_echoing_p): ... here. (tui_setup_io): Rename extern declaration readline_echoing_p to _rl_echoing_p. Adjust assignments for the both renames. gdb/doc/ * Makefile.in (GDB_DOC_SOURCE_INCLUDES): Rename inc-hist.texinfo to hsuser.texi. * gdb.texinfo <!SYSTEM_READLINE>: Rename inc-hist.texinfo inclusion and comment to hsuser.texi. Change rluser.texi name in the comment.
2011-05-12 01:38:44 +02:00
/* xfree.c -- safe version of free that ignores attempts to free NUL */
/* Copyright (C) 1991-2010 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
Readline 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.
Readline 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 Readline. If not, see <http://www.gnu.org/licenses/>.
*/
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
#include <config.h>
#endif
#if defined (HAVE_STDLIB_H)
# include <stdlib.h>
#else
# include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */
#include <stdio.h>
Imported readline 6.2, and upstream patch 001. [patch 0/3] readline-6.2 rebase http://sourceware.org/ml/gdb-patches/2011-05/msg00003.html [patch 1/3] readline-6.2: Merge of already posted patches http://sourceware.org/ml/gdb-patches/2011-05/msg00004.html = [Bug-readline] [RFC/readline] bind.c, rl_function_dumper, Free allocated http://lists.gnu.org/archive/html/bug-readline/2011-03/msg00000.html [Bug-readline] [patch] Fix underquotation in readline/examples/rlfe/conf http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00001.html [Bug-readline] [patch] Makefile.in htm<->html http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00002.html Re: [Bug-readline] [patch] Makefile.in dependency: callback.o: xmalloc.h http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00004.html [Bug-readline] [patch] Remove . from the VPATH directive http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00005.html Eli Zaretskii's __MSDOS__ / __GO32__ / __MINGW32__ / __DJGPP__ stuff: http://sourceware.org/ml/gdb/2011-04/msg00002.html Jan Kratochvil's patch for FSF GDB tree local-specific changes: http://sourceware.org/ml/gdb/2011-04/msg00006.html Preservation of existing ChangeLog.gdb files, their updates. [patch 2/3] readline-6.2: Workaround "ask" regression http://sourceware.org/ml/gdb-patches/2011-05/msg00005.html [patch 3/3] readline-6.2: Revert 5.x compat., apply 6.x compat. http://sourceware.org/ml/gdb-patches/2011-05/msg00006.html [patch 4/3] readline-6.2: Substitute inc-hist.texinfo http://sourceware.org/ml/gdb-patches/2011-05/msg00010.html readline/ Workaround gdb.base/completion.exp regression on readline-6.2. * complete.c (get_y_or_n): Disable the return on RL_STATE_CALLBACK. Imported readline 6.2, and upstream patch 001. * configure: Regenerate. readline/doc/ * hsuser.texi (Using History Interactively): Disable !BashFeatures @defcodeindex. Make the `Programming with GNU History' reference external. * inc-hist.texinfo: Remove. Imported readline 6.2, and upstream patch 001. readline/examples/ Imported readline 6.2, and upstream patch 001. readline/examples/rlfe/ Imported readline 6.2, and upstream patch 001. gdb/ * config.in: Regenerate. * configure: Regenerate. * configure.ac <--with-system-readline> (for readline_echoing_p): Remove the test. * tui/tui-io.c (tui_old_readline_echoing_p): Rename to ... (tui_old_rl_echoing_p): ... here. (tui_setup_io): Rename extern declaration readline_echoing_p to _rl_echoing_p. Adjust assignments for the both renames. gdb/doc/ * Makefile.in (GDB_DOC_SOURCE_INCLUDES): Rename inc-hist.texinfo to hsuser.texi. * gdb.texinfo <!SYSTEM_READLINE>: Rename inc-hist.texinfo inclusion and comment to hsuser.texi. Change rluser.texi name in the comment.
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#include "xmalloc.h"
#include "readline.h"
Imported readline 6.2, and upstream patch 001. [patch 0/3] readline-6.2 rebase http://sourceware.org/ml/gdb-patches/2011-05/msg00003.html [patch 1/3] readline-6.2: Merge of already posted patches http://sourceware.org/ml/gdb-patches/2011-05/msg00004.html = [Bug-readline] [RFC/readline] bind.c, rl_function_dumper, Free allocated http://lists.gnu.org/archive/html/bug-readline/2011-03/msg00000.html [Bug-readline] [patch] Fix underquotation in readline/examples/rlfe/conf http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00001.html [Bug-readline] [patch] Makefile.in htm<->html http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00002.html Re: [Bug-readline] [patch] Makefile.in dependency: callback.o: xmalloc.h http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00004.html [Bug-readline] [patch] Remove . from the VPATH directive http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00005.html Eli Zaretskii's __MSDOS__ / __GO32__ / __MINGW32__ / __DJGPP__ stuff: http://sourceware.org/ml/gdb/2011-04/msg00002.html Jan Kratochvil's patch for FSF GDB tree local-specific changes: http://sourceware.org/ml/gdb/2011-04/msg00006.html Preservation of existing ChangeLog.gdb files, their updates. [patch 2/3] readline-6.2: Workaround "ask" regression http://sourceware.org/ml/gdb-patches/2011-05/msg00005.html [patch 3/3] readline-6.2: Revert 5.x compat., apply 6.x compat. http://sourceware.org/ml/gdb-patches/2011-05/msg00006.html [patch 4/3] readline-6.2: Substitute inc-hist.texinfo http://sourceware.org/ml/gdb-patches/2011-05/msg00010.html readline/ Workaround gdb.base/completion.exp regression on readline-6.2. * complete.c (get_y_or_n): Disable the return on RL_STATE_CALLBACK. Imported readline 6.2, and upstream patch 001. * configure: Regenerate. readline/doc/ * hsuser.texi (Using History Interactively): Disable !BashFeatures @defcodeindex. Make the `Programming with GNU History' reference external. * inc-hist.texinfo: Remove. Imported readline 6.2, and upstream patch 001. readline/examples/ Imported readline 6.2, and upstream patch 001. readline/examples/rlfe/ Imported readline 6.2, and upstream patch 001. gdb/ * config.in: Regenerate. * configure: Regenerate. * configure.ac <--with-system-readline> (for readline_echoing_p): Remove the test. * tui/tui-io.c (tui_old_readline_echoing_p): Rename to ... (tui_old_rl_echoing_p): ... here. (tui_setup_io): Rename extern declaration readline_echoing_p to _rl_echoing_p. Adjust assignments for the both renames. gdb/doc/ * Makefile.in (GDB_DOC_SOURCE_INCLUDES): Rename inc-hist.texinfo to hsuser.texi. * gdb.texinfo <!SYSTEM_READLINE>: Rename inc-hist.texinfo inclusion and comment to hsuser.texi. Change rluser.texi name in the comment.
2011-05-12 01:38:44 +02:00
/* **************************************************************** */
/* */
/* Memory Deallocation. */
/* */
/* **************************************************************** */
/* Use this as the function to call when adding unwind protects so we
don't need to know what free() returns. */
void
xfree (string)
PTR_T string;
{
/* Leak a bit. */
if (RL_ISSTATE(RL_STATE_SIGHANDLER))
return;
Imported readline 6.2, and upstream patch 001. [patch 0/3] readline-6.2 rebase http://sourceware.org/ml/gdb-patches/2011-05/msg00003.html [patch 1/3] readline-6.2: Merge of already posted patches http://sourceware.org/ml/gdb-patches/2011-05/msg00004.html = [Bug-readline] [RFC/readline] bind.c, rl_function_dumper, Free allocated http://lists.gnu.org/archive/html/bug-readline/2011-03/msg00000.html [Bug-readline] [patch] Fix underquotation in readline/examples/rlfe/conf http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00001.html [Bug-readline] [patch] Makefile.in htm<->html http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00002.html Re: [Bug-readline] [patch] Makefile.in dependency: callback.o: xmalloc.h http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00004.html [Bug-readline] [patch] Remove . from the VPATH directive http://lists.gnu.org/archive/html/bug-readline/2011-04/msg00005.html Eli Zaretskii's __MSDOS__ / __GO32__ / __MINGW32__ / __DJGPP__ stuff: http://sourceware.org/ml/gdb/2011-04/msg00002.html Jan Kratochvil's patch for FSF GDB tree local-specific changes: http://sourceware.org/ml/gdb/2011-04/msg00006.html Preservation of existing ChangeLog.gdb files, their updates. [patch 2/3] readline-6.2: Workaround "ask" regression http://sourceware.org/ml/gdb-patches/2011-05/msg00005.html [patch 3/3] readline-6.2: Revert 5.x compat., apply 6.x compat. http://sourceware.org/ml/gdb-patches/2011-05/msg00006.html [patch 4/3] readline-6.2: Substitute inc-hist.texinfo http://sourceware.org/ml/gdb-patches/2011-05/msg00010.html readline/ Workaround gdb.base/completion.exp regression on readline-6.2. * complete.c (get_y_or_n): Disable the return on RL_STATE_CALLBACK. Imported readline 6.2, and upstream patch 001. * configure: Regenerate. readline/doc/ * hsuser.texi (Using History Interactively): Disable !BashFeatures @defcodeindex. Make the `Programming with GNU History' reference external. * inc-hist.texinfo: Remove. Imported readline 6.2, and upstream patch 001. readline/examples/ Imported readline 6.2, and upstream patch 001. readline/examples/rlfe/ Imported readline 6.2, and upstream patch 001. gdb/ * config.in: Regenerate. * configure: Regenerate. * configure.ac <--with-system-readline> (for readline_echoing_p): Remove the test. * tui/tui-io.c (tui_old_readline_echoing_p): Rename to ... (tui_old_rl_echoing_p): ... here. (tui_setup_io): Rename extern declaration readline_echoing_p to _rl_echoing_p. Adjust assignments for the both renames. gdb/doc/ * Makefile.in (GDB_DOC_SOURCE_INCLUDES): Rename inc-hist.texinfo to hsuser.texi. * gdb.texinfo <!SYSTEM_READLINE>: Rename inc-hist.texinfo inclusion and comment to hsuser.texi. Change rluser.texi name in the comment.
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if (string)
free (string);
}