mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-08-05 21:50:21 +08:00
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.
This commit is contained in:
Jan Kratochvil
@ -1,24 +1,23 @@
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/* histexpand.c -- history expansion. */
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/* Copyright (C) 1989-2004 Free Software Foundation, Inc.
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/* Copyright (C) 1989-2010 Free Software Foundation, Inc.
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This file contains the GNU History Library (the Library), a set of
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This file contains the GNU History Library (History), a set of
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routines for managing the text of previously typed lines.
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The Library is free software; you can redistribute it and/or modify
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History is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
The Library is distributed in the hope that it will be useful, but
|
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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General Public License for more details.
|
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History is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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GNU General Public License for more details.
|
||||
|
||||
The GNU General Public License is often shipped with GNU software, and
|
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is generally kept in a file called COPYING or LICENSE. If you do not
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have a copy of the license, write to the Free Software Foundation,
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59 Temple Place, Suite 330, Boston, MA 02111 USA. */
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You should have received a copy of the GNU General Public License
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along with History. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define READLINE_LIBRARY
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@ -56,8 +55,6 @@
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typedef int _hist_search_func_t PARAMS((const char *, int));
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extern int rl_byte_oriented; /* declared in mbutil.c */
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static char error_pointer;
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static char *subst_lhs;
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@ -66,9 +63,11 @@ static int subst_lhs_len;
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static int subst_rhs_len;
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static char *get_history_word_specifier PARAMS((char *, char *, int *));
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static char *history_find_word PARAMS((char *, int));
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static int history_tokenize_word PARAMS((const char *, int));
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static char **history_tokenize_internal PARAMS((const char *, int, int *));
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static char *history_substring PARAMS((const char *, int, int));
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static void freewords PARAMS((char **, int));
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static char *history_find_word PARAMS((char *, int));
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static char *quote_breaks PARAMS((char *));
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@ -246,7 +245,7 @@ get_history_event (string, caller_index, delimiting_quote)
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#define FAIL_SEARCH() \
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do { \
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history_offset = history_length; free (temp) ; return (char *)NULL; \
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history_offset = history_length; xfree (temp) ; return (char *)NULL; \
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} while (0)
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/* If there is no search string, try to use the previous search string,
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@ -255,7 +254,7 @@ get_history_event (string, caller_index, delimiting_quote)
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{
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if (search_string)
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{
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free (temp);
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xfree (temp);
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temp = savestring (search_string);
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}
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else
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@ -286,7 +285,7 @@ get_history_event (string, caller_index, delimiting_quote)
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search_match = history_find_word (entry->line, local_index);
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}
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else
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free (temp);
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xfree (temp);
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return (entry->line);
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}
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@ -306,16 +305,20 @@ get_history_event (string, caller_index, delimiting_quote)
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/* Extract the contents of STRING as if it is enclosed in single quotes.
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SINDEX, when passed in, is the offset of the character immediately
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following the opening single quote; on exit, SINDEX is left pointing
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to the closing single quote. */
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to the closing single quote. FLAGS currently used to allow backslash
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to escape a single quote (e.g., for bash $'...'). */
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static void
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hist_string_extract_single_quoted (string, sindex)
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hist_string_extract_single_quoted (string, sindex, flags)
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char *string;
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int *sindex;
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int *sindex, flags;
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{
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register int i;
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for (i = *sindex; string[i] && string[i] != '\''; i++)
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;
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{
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if ((flags & 1) && string[i] == '\\' && string[i+1])
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i++;
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}
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*sindex = i;
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}
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@ -505,7 +508,7 @@ postproc_subst_rhs ()
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}
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}
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new[j] = '\0';
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free (subst_rhs);
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xfree (subst_rhs);
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subst_rhs = new;
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subst_rhs_len = j;
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}
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@ -564,12 +567,12 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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#if defined (HANDLE_MULTIBYTE)
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if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
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{
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int c, l;
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int ch, l;
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l = _rl_find_prev_mbchar (string, i, MB_FIND_ANY);
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c = string[l];
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ch = string[l];
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/* XXX - original patch had i - 1 ??? If i == 0 it would fail. */
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if (i && (c == '\'' || c == '"'))
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quoted_search_delimiter = c;
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if (i && (ch == '\'' || ch == '"'))
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quoted_search_delimiter = ch;
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}
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else
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#endif /* HANDLE_MULTIBYTE */
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@ -582,7 +585,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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if (event == 0)
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{
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*ret_string = hist_error (string, start, i, EVENT_NOT_FOUND);
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free (result);
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xfree (result);
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return (-1);
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}
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@ -596,7 +599,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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if (word_spec == (char *)&error_pointer)
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{
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*ret_string = hist_error (string, starting_index, i, BAD_WORD_SPEC);
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free (result);
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xfree (result);
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return (-1);
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}
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@ -629,8 +632,8 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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{
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default:
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*ret_string = hist_error (string, i+1, i+2, BAD_MODIFIER);
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free (result);
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free (temp);
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xfree (result);
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xfree (temp);
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return -1;
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case 'q':
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@ -655,7 +658,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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{
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tstr++;
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t = savestring (tstr);
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free (temp);
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xfree (temp);
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temp = t;
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}
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break;
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@ -680,7 +683,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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if (tstr)
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{
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t = savestring (tstr);
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free (temp);
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xfree (temp);
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temp = t;
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}
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break;
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@ -756,8 +759,8 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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if (subst_lhs_len == 0)
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{
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*ret_string = hist_error (string, starting_index, i, NO_PREV_SUBST);
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free (result);
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free (temp);
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xfree (result);
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xfree (temp);
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return -1;
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}
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@ -766,8 +769,8 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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if (subst_lhs_len > l_temp)
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{
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*ret_string = hist_error (string, starting_index, i, SUBST_FAILED);
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free (result);
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free (temp);
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xfree (result);
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xfree (temp);
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return (-1);
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}
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@ -808,7 +811,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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temp + si + subst_lhs_len,
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l_temp - (si + subst_lhs_len));
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new_event[len] = '\0';
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free (temp);
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xfree (temp);
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temp = new_event;
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failed = 0;
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@ -844,8 +847,8 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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continue; /* don't want to increment i */
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*ret_string = hist_error (string, starting_index, i, SUBST_FAILED);
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free (result);
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free (temp);
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xfree (result);
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xfree (temp);
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return (-1);
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}
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}
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@ -866,7 +869,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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else
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x = savestring (temp);
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free (temp);
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xfree (temp);
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temp = x;
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}
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@ -874,7 +877,7 @@ history_expand_internal (string, start, end_index_ptr, ret_string, current_line)
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if (n >= result_len)
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result = (char *)xrealloc (result, n + 2);
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strcpy (result, temp);
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free (temp);
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xfree (temp);
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*end_index_ptr = i;
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*ret_string = result;
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@ -925,7 +928,7 @@ history_expand (hstring, output)
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char **output;
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{
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register int j;
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int i, r, l, passc, cc, modified, eindex, only_printing, dquote;
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int i, r, l, passc, cc, modified, eindex, only_printing, dquote, flag;
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char *string;
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/* The output string, and its length. */
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@ -1017,7 +1020,7 @@ history_expand (hstring, output)
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}
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else if (string[i] == history_expansion_char)
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{
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if (!cc || member (cc, history_no_expand_chars))
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if (cc == 0 || member (cc, history_no_expand_chars))
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continue;
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/* If the calling application has set
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history_inhibit_expansion_function to a function that checks
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@ -1045,8 +1048,9 @@ history_expand (hstring, output)
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else if (dquote == 0 && history_quotes_inhibit_expansion && string[i] == '\'')
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{
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/* If this is bash, single quotes inhibit history expansion. */
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flag = (i > 0 && string[i - 1] == '$');
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i++;
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hist_string_extract_single_quoted (string, &i);
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hist_string_extract_single_quoted (string, &i, flag);
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}
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else if (history_quotes_inhibit_expansion && string[i] == '\\')
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{
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@ -1060,7 +1064,7 @@ history_expand (hstring, output)
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if (string[i] != history_expansion_char)
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{
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free (result);
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xfree (result);
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*output = savestring (string);
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return (0);
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}
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@ -1097,7 +1101,7 @@ history_expand (hstring, output)
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if (strlen (mb) > 1)
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{
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ADD_STRING (mb);
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break;
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continue;
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}
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}
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#endif /* HANDLE_MULTIBYTE */
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@ -1131,15 +1135,16 @@ history_expand (hstring, output)
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{
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int quote, slen;
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flag = (i > 0 && string[i - 1] == '$');
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quote = i++;
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hist_string_extract_single_quoted (string, &i);
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hist_string_extract_single_quoted (string, &i, flag);
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slen = i - quote + 2;
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temp = (char *)xmalloc (slen);
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strncpy (temp, string + quote, slen);
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temp[slen - 1] = '\0';
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ADD_STRING (temp);
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free (temp);
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xfree (temp);
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}
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else
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ADD_CHAR (string[i]);
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@ -1152,7 +1157,7 @@ history_expand (hstring, output)
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temp = (char *)xmalloc (l - i + 1);
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strcpy (temp, string + i);
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ADD_STRING (temp);
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free (temp);
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xfree (temp);
|
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i = l;
|
||||
}
|
||||
else
|
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@ -1165,7 +1170,8 @@ history_expand (hstring, output)
|
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/* If the history_expansion_char is followed by one of the
|
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characters in history_no_expand_chars, then it is not a
|
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candidate for expansion of any kind. */
|
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if (member (cc, history_no_expand_chars))
|
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if (cc == 0 || member (cc, history_no_expand_chars) ||
|
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(history_inhibit_expansion_function && (*history_inhibit_expansion_function) (string, i)))
|
||||
{
|
||||
ADD_CHAR (string[i]);
|
||||
break;
|
||||
@ -1184,7 +1190,7 @@ history_expand (hstring, output)
|
||||
temp = (char *)xmalloc (1 + strlen (result));
|
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strcpy (temp, result);
|
||||
ADD_STRING (temp);
|
||||
free (temp);
|
||||
xfree (temp);
|
||||
}
|
||||
i++;
|
||||
break;
|
||||
@ -1195,9 +1201,9 @@ history_expand (hstring, output)
|
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if (r < 0)
|
||||
{
|
||||
*output = temp;
|
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free (result);
|
||||
xfree (result);
|
||||
if (string != hstring)
|
||||
free (string);
|
||||
xfree (string);
|
||||
return -1;
|
||||
}
|
||||
else
|
||||
@ -1207,7 +1213,7 @@ history_expand (hstring, output)
|
||||
modified++;
|
||||
if (*temp)
|
||||
ADD_STRING (temp);
|
||||
free (temp);
|
||||
xfree (temp);
|
||||
}
|
||||
only_printing = r == 1;
|
||||
i = eindex;
|
||||
@ -1218,7 +1224,7 @@ history_expand (hstring, output)
|
||||
|
||||
*output = result;
|
||||
if (string != hstring)
|
||||
free (string);
|
||||
xfree (string);
|
||||
|
||||
if (only_printing)
|
||||
{
|
||||
@ -1399,8 +1405,8 @@ history_arg_extract (first, last, string)
|
||||
}
|
||||
|
||||
for (i = 0; i < len; i++)
|
||||
free (list[i]);
|
||||
free (list);
|
||||
xfree (list[i]);
|
||||
xfree (list);
|
||||
|
||||
return (result);
|
||||
}
|
||||
@ -1411,10 +1417,10 @@ history_tokenize_word (string, ind)
|
||||
int ind;
|
||||
{
|
||||
register int i;
|
||||
int delimiter;
|
||||
int delimiter, nestdelim, delimopen;
|
||||
|
||||
i = ind;
|
||||
delimiter = 0;
|
||||
delimiter = nestdelim = 0;
|
||||
|
||||
if (member (string[i], "()\n"))
|
||||
{
|
||||
@ -1430,20 +1436,34 @@ history_tokenize_word (string, ind)
|
||||
{
|
||||
if (peek == '<' && string[i + 2] == '-')
|
||||
i++;
|
||||
else if (peek == '<' && string[i + 2] == '<')
|
||||
i++;
|
||||
i += 2;
|
||||
return i;
|
||||
}
|
||||
else
|
||||
else if ((peek == '&' && (string[i] == '>' || string[i] == '<')) ||
|
||||
(peek == '>' && string[i] == '&'))
|
||||
{
|
||||
if ((peek == '&' && (string[i] == '>' || string[i] == '<')) ||
|
||||
(peek == '>' && string[i] == '&') ||
|
||||
(peek == '(' && (string[i] == '>' || string[i] == '<')) || /* ) */
|
||||
(peek == '(' && string[i] == '$')) /* ) */
|
||||
{
|
||||
i += 2;
|
||||
return i;
|
||||
}
|
||||
i += 2;
|
||||
return i;
|
||||
}
|
||||
/* XXX - separated out for later -- bash-4.2 */
|
||||
else if ((peek == '(' && (string[i] == '>' || string[i] == '<')) || /* ) */
|
||||
(peek == '(' && string[i] == '$')) /*)*/
|
||||
{
|
||||
i += 2;
|
||||
delimopen = '(';
|
||||
delimiter = ')';
|
||||
nestdelim = 1;
|
||||
goto get_word;
|
||||
}
|
||||
#if 0
|
||||
else if (peek == '\'' && string[i] == '$')
|
||||
{
|
||||
i += 2; /* XXX */
|
||||
return i;
|
||||
}
|
||||
#endif
|
||||
|
||||
if (string[i] != '$')
|
||||
{
|
||||
@ -1452,9 +1472,25 @@ history_tokenize_word (string, ind)
|
||||
}
|
||||
}
|
||||
|
||||
/* same code also used for $(...)/<(...)/>(...) above */
|
||||
if (member (string[i], "!@?+*"))
|
||||
{
|
||||
int peek = string[i + 1];
|
||||
|
||||
if (peek == '(') /*)*/
|
||||
{
|
||||
/* Shell extended globbing patterns */
|
||||
i += 2;
|
||||
delimopen = '(';
|
||||
delimiter = ')'; /* XXX - not perfect */
|
||||
nestdelim = 1;
|
||||
}
|
||||
}
|
||||
|
||||
get_word:
|
||||
/* Get word from string + i; */
|
||||
|
||||
if (member (string[i], HISTORY_QUOTE_CHARACTERS))
|
||||
if (delimiter == 0 && member (string[i], HISTORY_QUOTE_CHARACTERS))
|
||||
delimiter = string[i++];
|
||||
|
||||
for (; string[i]; i++)
|
||||
@ -1472,16 +1508,31 @@ history_tokenize_word (string, ind)
|
||||
continue;
|
||||
}
|
||||
|
||||
/* delimiter must be set and set to something other than a quote if
|
||||
nestdelim is set, so these tests are safe. */
|
||||
if (nestdelim && string[i] == delimopen)
|
||||
{
|
||||
nestdelim++;
|
||||
continue;
|
||||
}
|
||||
if (nestdelim && string[i] == delimiter)
|
||||
{
|
||||
nestdelim--;
|
||||
if (nestdelim == 0)
|
||||
delimiter = 0;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (delimiter && string[i] == delimiter)
|
||||
{
|
||||
delimiter = 0;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!delimiter && (member (string[i], history_word_delimiters)))
|
||||
if (delimiter == 0 && (member (string[i], history_word_delimiters)))
|
||||
break;
|
||||
|
||||
if (!delimiter && member (string[i], HISTORY_QUOTE_CHARACTERS))
|
||||
if (delimiter == 0 && member (string[i], HISTORY_QUOTE_CHARACTERS))
|
||||
delimiter = string[i];
|
||||
}
|
||||
|
||||
@ -1569,6 +1620,18 @@ history_tokenize (string)
|
||||
return (history_tokenize_internal (string, -1, (int *)NULL));
|
||||
}
|
||||
|
||||
/* Free members of WORDS from START to an empty string */
|
||||
static void
|
||||
freewords (words, start)
|
||||
char **words;
|
||||
int start;
|
||||
{
|
||||
register int i;
|
||||
|
||||
for (i = start; words[i]; i++)
|
||||
xfree (words[i]);
|
||||
}
|
||||
|
||||
/* Find and return the word which contains the character at index IND
|
||||
in the history line LINE. Used to save the word matched by the
|
||||
last history !?string? search. */
|
||||
@ -1582,12 +1645,16 @@ history_find_word (line, ind)
|
||||
|
||||
words = history_tokenize_internal (line, ind, &wind);
|
||||
if (wind == -1 || words == 0)
|
||||
return ((char *)NULL);
|
||||
{
|
||||
if (words)
|
||||
freewords (words, 0);
|
||||
FREE (words);
|
||||
return ((char *)NULL);
|
||||
}
|
||||
s = words[wind];
|
||||
for (i = 0; i < wind; i++)
|
||||
free (words[i]);
|
||||
for (i = wind + 1; words[i]; i++)
|
||||
free (words[i]);
|
||||
free (words);
|
||||
xfree (words[i]);
|
||||
freewords (words, wind + 1);
|
||||
xfree (words);
|
||||
return s;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user