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authorcvs2git <rtems-devel@rtems.org>2002-11-19 12:59:32 +0000
committercvs2git <rtems-devel@rtems.org>2002-11-19 12:59:32 +0000
commit41248c786ad051eaac50770ab5c02de48f4c04a7 (patch)
tree28179131c73d9d53f3435d841961db84d7b8acbb /readline-4.3.orig/examples/readlinebuf.h
parentcbc2d8125987241306ba82aa853e3f6bb3069405 (diff)
This commit was manufactured by cvs2svn to create tag 'rtems-addon-rtems-addon-packages-20021119
packages-20021119'. Sprout from addons 2002-06-28 21:58:41 UTC Eric Norum <WENorum@lbl.gov> 'Useful add-on libraries' Cherrypick from master 2002-11-19 12:59:31 UTC Joel Sherrill <joel.sherrill@OARcorp.com> '2002-11-19 Joel Sherrill <joel@OARcorp.com>': ChangeLog RTEMS_Makefiles/Makefile.libtecla RTEMS_Makefiles/Makefile.ncurses RTEMS_Makefiles/Makefile.readline-4.3 SUPPORT VERSION bit libtecla-1.4.1/CHANGES libtecla-1.4.1/INSTALL libtecla-1.4.1/LICENSE.TERMS libtecla-1.4.1/Makefile libtecla-1.4.1/Makefile.in libtecla-1.4.1/Makefile.rules libtecla-1.4.1/Makefile.stub libtecla-1.4.1/PORTING libtecla-1.4.1/README libtecla-1.4.1/RELEASE.NOTES libtecla-1.4.1/config.guess libtecla-1.4.1/config.sub libtecla-1.4.1/configure libtecla-1.4.1/configure.in libtecla-1.4.1/cplfile.c libtecla-1.4.1/cplfile.h libtecla-1.4.1/cplmatch.c libtecla-1.4.1/demo.c libtecla-1.4.1/demo2.c libtecla-1.4.1/direader.c libtecla-1.4.1/direader.h libtecla-1.4.1/enhance.c libtecla-1.4.1/expand.c libtecla-1.4.1/freelist.c libtecla-1.4.1/freelist.h libtecla-1.4.1/getline.c libtecla-1.4.1/getline.h libtecla-1.4.1/hash.c libtecla-1.4.1/hash.h libtecla-1.4.1/history.c libtecla-1.4.1/history.h libtecla-1.4.1/homedir.c libtecla-1.4.1/homedir.h libtecla-1.4.1/html/changes.html libtecla-1.4.1/html/cpl_complete_word.html libtecla-1.4.1/html/ef_expand_file.html libtecla-1.4.1/html/enhance.html libtecla-1.4.1/html/gl_get_line.html libtecla-1.4.1/html/index.html libtecla-1.4.1/html/libtecla.html libtecla-1.4.1/html/pca_lookup_file.html libtecla-1.4.1/html/release.html libtecla-1.4.1/install-sh libtecla-1.4.1/keytab.c libtecla-1.4.1/keytab.h libtecla-1.4.1/libtecla.h libtecla-1.4.1/libtecla.map libtecla-1.4.1/man3/cfc_file_start.3 libtecla-1.4.1/man3/cfc_literal_escapes.3 libtecla-1.4.1/man3/cfc_set_check_fn.3 libtecla-1.4.1/man3/cpl_add_completion.3 libtecla-1.4.1/man3/cpl_complete_word.3 libtecla-1.4.1/man3/cpl_file_completions.3 libtecla-1.4.1/man3/cpl_last_error.3 libtecla-1.4.1/man3/cpl_list_completions.3 libtecla-1.4.1/man3/cpl_record_error.3 libtecla-1.4.1/man3/del_CplFileConf.3 libtecla-1.4.1/man3/del_ExpandFile.3 libtecla-1.4.1/man3/del_GetLine.3 libtecla-1.4.1/man3/del_PathCache.3 libtecla-1.4.1/man3/del_PcaPathConf.3 libtecla-1.4.1/man3/del_WordCompletion.3 libtecla-1.4.1/man3/ef_expand_file.3 libtecla-1.4.1/man3/ef_last_error.3 libtecla-1.4.1/man3/ef_list_expansions.3 libtecla-1.4.1/man3/enhance.3 libtecla-1.4.1/man3/gl_change_terminal.3 libtecla-1.4.1/man3/gl_clear_history.3 libtecla-1.4.1/man3/gl_configure_getline.3 libtecla-1.4.1/man3/gl_customize_completion.3 libtecla-1.4.1/man3/gl_echo_mode.3 libtecla-1.4.1/man3/gl_get_line.3 libtecla-1.4.1/man3/gl_group_history.3 libtecla-1.4.1/man3/gl_ignore_signal.3 libtecla-1.4.1/man3/gl_last_signal.3 libtecla-1.4.1/man3/gl_limit_history.3 libtecla-1.4.1/man3/gl_load_history.3 libtecla-1.4.1/man3/gl_lookup_history.3 libtecla-1.4.1/man3/gl_prompt_style.3 libtecla-1.4.1/man3/gl_range_of_history.3 libtecla-1.4.1/man3/gl_resize_history.3 libtecla-1.4.1/man3/gl_save_history.3 libtecla-1.4.1/man3/gl_show_history.3 libtecla-1.4.1/man3/gl_size_of_history.3 libtecla-1.4.1/man3/gl_state_of_history.3 libtecla-1.4.1/man3/gl_terminal_size.3 libtecla-1.4.1/man3/gl_toggle_history.3 libtecla-1.4.1/man3/gl_trap_signal.3 libtecla-1.4.1/man3/gl_watch_fd.3 libtecla-1.4.1/man3/libtecla.3 libtecla-1.4.1/man3/libtecla_version.3 libtecla-1.4.1/man3/new_CplFileConf.3 libtecla-1.4.1/man3/new_ExpandFile.3 libtecla-1.4.1/man3/new_GetLine.3 libtecla-1.4.1/man3/new_PathCache.3 libtecla-1.4.1/man3/new_PcaPathConf.3 libtecla-1.4.1/man3/new_WordCompletion.3 libtecla-1.4.1/man3/pca_last_error.3 libtecla-1.4.1/man3/pca_lookup_file.3 libtecla-1.4.1/man3/pca_path_completions.3 libtecla-1.4.1/man3/pca_scan_path.3 libtecla-1.4.1/man3/pca_set_check_fn.3 libtecla-1.4.1/man3/ppc_file_start.3 libtecla-1.4.1/man3/ppc_literal_escapes.3 libtecla-1.4.1/pathutil.c libtecla-1.4.1/pathutil.h libtecla-1.4.1/pcache.c libtecla-1.4.1/stringrp.c libtecla-1.4.1/stringrp.h libtecla-1.4.1/strngmem.c libtecla-1.4.1/strngmem.h libtecla-1.4.1/update_html libtecla-1.4.1/update_version libtecla-1.4.1/version.c readline-4.3.orig/CHANGELOG readline-4.3.orig/CHANGES readline-4.3.orig/COPYING readline-4.3.orig/INSTALL readline-4.3.orig/MANIFEST readline-4.3.orig/Makefile.in readline-4.3.orig/README readline-4.3.orig/USAGE readline-4.3.orig/aclocal.m4 readline-4.3.orig/ansi_stdlib.h readline-4.3.orig/bind.c readline-4.3.orig/callback.c readline-4.3.orig/chardefs.h readline-4.3.orig/compat.c readline-4.3.orig/complete.c readline-4.3.orig/config.h.in readline-4.3.orig/configure readline-4.3.orig/configure.in readline-4.3.orig/display.c readline-4.3.orig/doc/Makefile.in readline-4.3.orig/doc/hist.texinfo readline-4.3.orig/doc/history.0 readline-4.3.orig/doc/history.3 readline-4.3.orig/doc/history.dvi readline-4.3.orig/doc/history.html readline-4.3.orig/doc/history.info readline-4.3.orig/doc/history.ps readline-4.3.orig/doc/history_3.ps readline-4.3.orig/doc/hstech.texinfo readline-4.3.orig/doc/hsuser.texinfo readline-4.3.orig/doc/manvers.texinfo readline-4.3.orig/doc/readline.0 readline-4.3.orig/doc/readline.3 readline-4.3.orig/doc/readline.dvi readline-4.3.orig/doc/readline.html readline-4.3.orig/doc/readline.info readline-4.3.orig/doc/readline.ps readline-4.3.orig/doc/readline_3.ps readline-4.3.orig/doc/rlman.texinfo readline-4.3.orig/doc/rltech.texinfo readline-4.3.orig/doc/rluser.texinfo readline-4.3.orig/doc/rluserman.dvi readline-4.3.orig/doc/rluserman.html readline-4.3.orig/doc/rluserman.info readline-4.3.orig/doc/rluserman.ps readline-4.3.orig/doc/rluserman.texinfo readline-4.3.orig/doc/texi2dvi readline-4.3.orig/doc/texi2html readline-4.3.orig/doc/texinfo.tex readline-4.3.orig/emacs_keymap.c readline-4.3.orig/examples/Inputrc readline-4.3.orig/examples/Makefile.in readline-4.3.orig/examples/excallback.c readline-4.3.orig/examples/fileman.c readline-4.3.orig/examples/histexamp.c readline-4.3.orig/examples/manexamp.c readline-4.3.orig/examples/readlinebuf.h readline-4.3.orig/examples/rl.c readline-4.3.orig/examples/rlcat.c readline-4.3.orig/examples/rlfe.c readline-4.3.orig/examples/rltest.c readline-4.3.orig/examples/rlversion.c readline-4.3.orig/funmap.c readline-4.3.orig/histexpand.c readline-4.3.orig/histfile.c readline-4.3.orig/histlib.h readline-4.3.orig/history.c readline-4.3.orig/history.h readline-4.3.orig/histsearch.c readline-4.3.orig/input.c readline-4.3.orig/isearch.c readline-4.3.orig/keymaps.c readline-4.3.orig/keymaps.h readline-4.3.orig/kill.c readline-4.3.orig/macro.c readline-4.3.orig/mbutil.c readline-4.3.orig/misc.c readline-4.3.orig/nls.c readline-4.3.orig/parens.c readline-4.3.orig/posixdir.h readline-4.3.orig/posixjmp.h readline-4.3.orig/posixstat.h readline-4.3.orig/readline.c readline-4.3.orig/readline.h readline-4.3.orig/rlconf.h readline-4.3.orig/rldefs.h readline-4.3.orig/rlmbutil.h readline-4.3.orig/rlprivate.h readline-4.3.orig/rlshell.h readline-4.3.orig/rlstdc.h readline-4.3.orig/rltty.c readline-4.3.orig/rltty.h readline-4.3.orig/rltypedefs.h readline-4.3.orig/rlwinsize.h readline-4.3.orig/savestring.c readline-4.3.orig/search.c readline-4.3.orig/shell.c readline-4.3.orig/shlib/Makefile.in readline-4.3.orig/signals.c readline-4.3.orig/support/config.guess readline-4.3.orig/support/config.sub readline-4.3.orig/support/install.sh readline-4.3.orig/support/mkdirs readline-4.3.orig/support/mkdist readline-4.3.orig/support/shlib-install readline-4.3.orig/support/shobj-conf readline-4.3.orig/support/wcwidth.c readline-4.3.orig/tcap.h readline-4.3.orig/terminal.c readline-4.3.orig/text.c readline-4.3.orig/tilde.c readline-4.3.orig/tilde.h readline-4.3.orig/undo.c readline-4.3.orig/util.c readline-4.3.orig/vi_keymap.c readline-4.3.orig/vi_mode.c readline-4.3.orig/xmalloc.c readline-4.3.orig/xmalloc.h readline-4.3/CHANGELOG-ReadLine readline-4.3/CHANGES readline-4.3/COPYING readline-4.3/INSTALL readline-4.3/MANIFEST readline-4.3/Makefile.in readline-4.3/README readline-4.3/USAGE readline-4.3/aclocal.m4 readline-4.3/ansi_stdlib.h readline-4.3/bind.c readline-4.3/callback.c readline-4.3/chardefs.h readline-4.3/compat.c readline-4.3/complete.c readline-4.3/config.h.in readline-4.3/configure readline-4.3/configure.in readline-4.3/display.c readline-4.3/doc/Makefile.in readline-4.3/doc/hist.texinfo readline-4.3/doc/history.3 readline-4.3/doc/hstech.texinfo readline-4.3/doc/hsuser.texinfo readline-4.3/doc/manvers.texinfo readline-4.3/doc/readline.3 readline-4.3/doc/rlman.texinfo readline-4.3/doc/rltech.texinfo readline-4.3/doc/rluser.texinfo readline-4.3/doc/rluserman.texinfo readline-4.3/doc/texi2dvi readline-4.3/doc/texi2html readline-4.3/doc/texinfo.tex readline-4.3/emacs_keymap.c readline-4.3/examples/Inputrc readline-4.3/examples/Makefile.in readline-4.3/examples/excallback.c readline-4.3/examples/fileman.c readline-4.3/examples/histexamp.c readline-4.3/examples/manexamp.c readline-4.3/examples/readlinebuf.h readline-4.3/examples/rl.c readline-4.3/examples/rlcat.c readline-4.3/examples/rlfe.c readline-4.3/examples/rltest.c readline-4.3/examples/rlversion.c readline-4.3/funmap.c readline-4.3/histexpand.c readline-4.3/histfile.c readline-4.3/histlib.h readline-4.3/history.c readline-4.3/history.h readline-4.3/histsearch.c readline-4.3/input.c readline-4.3/isearch.c readline-4.3/keymaps.c readline-4.3/keymaps.h readline-4.3/kill.c readline-4.3/macro.c readline-4.3/mbutil.c readline-4.3/misc.c readline-4.3/nls.c readline-4.3/parens.c readline-4.3/posixdir.h readline-4.3/posixjmp.h readline-4.3/posixstat.h readline-4.3/readline.c readline-4.3/readline.h readline-4.3/rlconf.h readline-4.3/rldefs.h readline-4.3/rlmbutil.h readline-4.3/rlprivate.h readline-4.3/rlshell.h readline-4.3/rlstdc.h readline-4.3/rltty.c readline-4.3/rltty.h readline-4.3/rltypedefs.h readline-4.3/rlwinsize.h readline-4.3/savestring.c readline-4.3/search.c readline-4.3/shell.c readline-4.3/shlib/Makefile.in readline-4.3/signals.c readline-4.3/support/config.guess readline-4.3/support/config.sub readline-4.3/support/install.sh readline-4.3/support/mkdirs readline-4.3/support/mkdist readline-4.3/support/shlib-install readline-4.3/support/shobj-conf readline-4.3/support/wcwidth.c readline-4.3/tcap.h readline-4.3/terminal.c readline-4.3/text.c readline-4.3/tilde.c readline-4.3/tilde.h readline-4.3/undo.c readline-4.3/util.c readline-4.3/vi_keymap.c readline-4.3/vi_mode.c readline-4.3/xmalloc.c readline-4.3/xmalloc.h readline-doc-4.3/MANIFEST.doc readline-doc-4.3/doc/history.0 readline-doc-4.3/doc/history.dvi readline-doc-4.3/doc/history.html readline-doc-4.3/doc/history.info readline-doc-4.3/doc/history.ps readline-doc-4.3/doc/history_3.ps readline-doc-4.3/doc/readline.0 readline-doc-4.3/doc/readline.dvi readline-doc-4.3/doc/readline.html readline-doc-4.3/doc/readline.info readline-doc-4.3/doc/readline.ps readline-doc-4.3/doc/readline_3.ps readline-doc-4.3/doc/rluserman.dvi readline-doc-4.3/doc/rluserman.html readline-doc-4.3/doc/rluserman.info readline-doc-4.3/doc/rluserman.ps Delete: RTEMS_Makefiles/Makefile.readline SendSrc.bash readline-4.2/CHANGELOG readline-4.2/CHANGES readline-4.2/COPYING readline-4.2/INSTALL readline-4.2/MANIFEST readline-4.2/Makefile.in readline-4.2/README readline-4.2/USAGE readline-4.2/aclocal.m4 readline-4.2/ansi_stdlib.h readline-4.2/bind.c readline-4.2/callback.c readline-4.2/chardefs.h readline-4.2/compat.c readline-4.2/complete.c readline-4.2/config.h.in readline-4.2/configure readline-4.2/configure.in readline-4.2/display.c readline-4.2/doc/Makefile.in readline-4.2/doc/hist.texinfo readline-4.2/doc/history.0 readline-4.2/doc/history.3 readline-4.2/doc/history.dvi readline-4.2/doc/history.html readline-4.2/doc/history.info readline-4.2/doc/history.ps readline-4.2/doc/history_3.ps readline-4.2/doc/hstech.texinfo readline-4.2/doc/hsuser.texinfo readline-4.2/doc/manvers.texinfo readline-4.2/doc/readline.0 readline-4.2/doc/readline.3 readline-4.2/doc/readline.dvi readline-4.2/doc/readline.html readline-4.2/doc/readline.info readline-4.2/doc/readline.ps readline-4.2/doc/readline_3.ps readline-4.2/doc/rlman.texinfo readline-4.2/doc/rltech.texinfo readline-4.2/doc/rluser.texinfo readline-4.2/doc/rluserman.html readline-4.2/doc/rluserman.info readline-4.2/doc/rluserman.ps readline-4.2/doc/rluserman.texinfo readline-4.2/doc/texi2dvi readline-4.2/doc/texi2html readline-4.2/doc/texinfo.tex readline-4.2/emacs_keymap.c readline-4.2/examples/Inputrc readline-4.2/examples/Makefile.in readline-4.2/examples/excallback.c readline-4.2/examples/fileman.c readline-4.2/examples/histexamp.c readline-4.2/examples/manexamp.c readline-4.2/examples/rl.c readline-4.2/examples/rlfe.c readline-4.2/examples/rltest.c readline-4.2/examples/rlversion.c readline-4.2/funmap.c readline-4.2/histexpand.c readline-4.2/histfile.c readline-4.2/histlib.h readline-4.2/history.c readline-4.2/history.h readline-4.2/histsearch.c readline-4.2/input.c readline-4.2/isearch.c readline-4.2/keymaps.c readline-4.2/keymaps.h readline-4.2/kill.c readline-4.2/macro.c readline-4.2/nls.c readline-4.2/parens.c readline-4.2/posixdir.h readline-4.2/posixjmp.h readline-4.2/posixstat.h readline-4.2/readline.c readline-4.2/readline.h readline-4.2/rlconf.h readline-4.2/rldefs.h readline-4.2/rlprivate.h readline-4.2/rlshell.h readline-4.2/rlstdc.h readline-4.2/rltty.c readline-4.2/rltty.h readline-4.2/rltypedefs.h readline-4.2/rlwinsize.h readline-4.2/savestring.c readline-4.2/search.c readline-4.2/shell.c readline-4.2/shlib/Makefile.in readline-4.2/signals.c readline-4.2/support/config.guess readline-4.2/support/config.sub readline-4.2/support/install.sh readline-4.2/support/mkdirs readline-4.2/support/mkdist readline-4.2/support/shlib-install readline-4.2/support/shobj-conf readline-4.2/tcap.h readline-4.2/terminal.c readline-4.2/tilde.c readline-4.2/tilde.h readline-4.2/undo.c readline-4.2/util.c readline-4.2/vi_keymap.c readline-4.2/vi_mode.c readline-4.2/xmalloc.c readline-4.2/xmalloc.h readline/CHANGES readline/COPYING readline/ChangeLog readline/MANIFEST readline/MANIFEST.doc readline/Makefile.in readline/Makefile.rtems readline/README readline/acconfig.h readline/aclocal.m4 readline/ansi_stdlib.h readline/bind.c readline/callback.c readline/chardefs.h readline/complete.c readline/config.guess readline/config.h.bot readline/config.h.in readline/config.h.rtems readline/config.sub readline/configure readline/configure.in readline/configure_jnk readline/configure_rtems readline/cross-build/cygwin.cache readline/display.c readline/doc/ChangeLog readline/doc/Makefile.in readline/doc/hist.texinfo readline/doc/hstech.texinfo readline/doc/hsuser.texinfo readline/doc/inc-hist.texi readline/doc/readline.3 readline/doc/rlman.texinfo readline/doc/rltech.texinfo readline/doc/rluser.texinfo readline/doc/texi2dvi readline/doc/texi2html readline/emacs_keymap.c readline/examples/Inputrc readline/examples/Makefile.in readline/examples/fileman.c readline/examples/histexamp.c readline/examples/manexamp.c readline/examples/rl.c readline/examples/rltest.c readline/funmap.c readline/histexpand.c readline/histfile.c readline/histlib.h readline/history.c readline/history.h readline/histsearch.c readline/input.c readline/install readline/install-sh readline/install.sh readline/isearch.c readline/keymaps.c readline/keymaps.h readline/kill.c readline/macro.c readline/mkdirs readline/mkdist readline/nls.c readline/parens.c readline/posixdir.h readline/posixjmp.h readline/posixstat.h readline/readline.c readline/readline.h readline/rlconf.h readline/rldefs.h readline/rltty.c readline/rltty.h readline/rlwinsize.h readline/search.c readline/shell.c readline/signals.c readline/support/config.guess readline/support/config.sub readline/support/install.sh readline/support/mkdirs readline/support/mkdist readline/tcap.h readline/terminal.c readline/tilde.c readline/tilde.h readline/undo.c readline/util.c readline/vi_keymap.c readline/vi_mode.c readline/xmalloc.c
Diffstat (limited to 'readline-4.3.orig/examples/readlinebuf.h')
-rw-r--r--readline-4.3.orig/examples/readlinebuf.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/readline-4.3.orig/examples/readlinebuf.h b/readline-4.3.orig/examples/readlinebuf.h
new file mode 100644
index 0000000..91ef4d6
--- /dev/null
+++ b/readline-4.3.orig/examples/readlinebuf.h
@@ -0,0 +1,139 @@
+/*******************************************************************************
+ * $Revision$
+ * $Date$
+ * $Author$
+ *
+ * Contents: A streambuf which uses the GNU readline library for line I/O
+ * (c) 2001 by Dimitris Vyzovitis [vyzo@media.mit.edu]
+ *
+ * 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 2 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, write to the Free
+ * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ ******************************************************************************/
+
+#ifndef _READLINEBUF_H_
+#define _READLINEBUF_H_
+
+#include <iostream>
+#include <cstring>
+#include <cassert>
+#include <cstdlib>
+#include <cstdio>
+
+#include <readline/readline.h>
+#include <readline/history.h>
+
+#if (defined __GNUC__) && (__GNUC__ < 3)
+#include <streambuf.h>
+#else
+#include <streambuf>
+using std::streamsize;
+using std::streambuf;
+#endif
+
+class readlinebuf : public streambuf {
+public:
+#if (defined __GNUC__) && (__GNUC__ < 3)
+ typedef char char_type;
+ typedef int int_type;
+ typedef streampos pos_type;
+ typedef streamoff off_type;
+#endif
+ static const int_type eof = EOF; // this is -1
+ static const int_type not_eof = 0;
+
+private:
+ const char* prompt_;
+ bool history_;
+ char* line_;
+ int low_;
+ int high_;
+
+protected:
+
+ virtual int_type showmanyc() const { return high_ - low_; }
+
+ virtual streamsize xsgetn( char_type* buf, streamsize n ) {
+ int rd = n > (high_ - low_)? (high_ - low_) : n;
+ memcpy( buf, line_, rd );
+ low_ += rd;
+
+ if ( rd < n ) {
+ low_ = high_ = 0;
+ free( line_ ); // free( NULL ) is a noop
+ line_ = readline( prompt_ );
+ if ( line_ ) {
+ high_ = strlen( line_ );
+ if ( history_ && high_ ) add_history( line_ );
+ rd += xsgetn( buf + rd, n - rd );
+ }
+ }
+
+ return rd;
+ }
+
+ virtual int_type underflow() {
+ if ( high_ == low_ ) {
+ low_ = high_ = 0;
+ free( line_ ); // free( NULL ) is a noop
+ line_ = readline( prompt_ );
+ if ( line_ ) {
+ high_ = strlen( line_ );
+ if ( history_ && high_ ) add_history( line_ );
+ }
+ }
+
+ if ( low_ < high_ ) return line_[low_];
+ else return eof;
+ }
+
+ virtual int_type uflow() {
+ int_type c = underflow();
+ if ( c != eof ) ++low_;
+ return c;
+ }
+
+ virtual int_type pbackfail( int_type c = eof ) {
+ if ( low_ > 0 ) --low_;
+ else if ( c != eof ) {
+ if ( high_ > 0 ) {
+ char* nl = (char*)realloc( line_, high_ + 1 );
+ if ( nl ) {
+ line_ = (char*)memcpy( nl + 1, line_, high_ );
+ high_ += 1;
+ line_[0] = char( c );
+ } else return eof;
+ } else {
+ assert( !line_ );
+ line_ = (char*)malloc( sizeof( char ) );
+ *line_ = char( c );
+ high_ = 1;
+ }
+ } else return eof;
+
+ return not_eof;
+ }
+
+public:
+ readlinebuf( const char* prompt = NULL, bool history = true )
+ : prompt_( prompt ), history_( history ),
+ line_( NULL ), low_( 0 ), high_( 0 ) {
+ setbuf( 0, 0 );
+ }
+
+
+};
+
+#endif