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-rw-r--r--main/editline/common.c951
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diff --git a/main/editline/common.c b/main/editline/common.c
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+/* $NetBSD: common.c,v 1.11 2002/03/18 16:00:51 christos Exp $ */
+
+/*-
+ * Copyright (c) 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Christos Zoulas of Cornell University.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "config.h"
+#if !defined(lint) && !defined(SCCSID)
+#if 0
+static char sccsid[] = "@(#)common.c 8.1 (Berkeley) 6/4/93";
+#else
+__RCSID("$NetBSD: common.c,v 1.11 2002/03/18 16:00:51 christos Exp $");
+#endif
+#endif /* not lint && not SCCSID */
+
+/*
+ * common.c: Common Editor functions
+ */
+#include "el.h"
+
+/* ed_end_of_file():
+ * Indicate end of file
+ * [^D]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_end_of_file(EditLine *el, int c)
+{
+
+ re_goto_bottom(el);
+ *el->el_line.lastchar = '\0';
+ return (CC_EOF);
+}
+
+
+/* ed_insert():
+ * Add character to the line
+ * Insert a character [bound to all insert keys]
+ */
+protected el_action_t
+ed_insert(EditLine *el, int c)
+{
+ int i;
+
+ if (c == '\0')
+ return (CC_ERROR);
+
+ if (el->el_line.lastchar + el->el_state.argument >=
+ el->el_line.limit) {
+ /* end of buffer space, try to allocate more */
+ if (!ch_enlargebufs(el, (size_t) el->el_state.argument))
+ return CC_ERROR; /* error allocating more */
+ }
+
+ if (el->el_state.argument == 1) {
+ if (el->el_state.inputmode != MODE_INSERT) {
+ el->el_chared.c_undo.buf[el->el_chared.c_undo.isize++] =
+ *el->el_line.cursor;
+ el->el_chared.c_undo.buf[el->el_chared.c_undo.isize] =
+ '\0';
+ c_delafter(el, 1);
+ }
+ c_insert(el, 1);
+
+ *el->el_line.cursor++ = c;
+ el->el_state.doingarg = 0; /* just in case */
+ re_fastaddc(el); /* fast refresh for one char. */
+ } else {
+ if (el->el_state.inputmode != MODE_INSERT) {
+ for (i = 0; i < el->el_state.argument; i++)
+ el->el_chared.c_undo.buf[el->el_chared.c_undo.isize++] =
+ el->el_line.cursor[i];
+
+ el->el_chared.c_undo.buf[el->el_chared.c_undo.isize] =
+ '\0';
+ c_delafter(el, el->el_state.argument);
+ }
+ c_insert(el, el->el_state.argument);
+
+ while (el->el_state.argument--)
+ *el->el_line.cursor++ = c;
+ re_refresh(el);
+ }
+
+ if (el->el_state.inputmode == MODE_REPLACE_1)
+ (void) vi_command_mode(el, 0);
+
+ return (CC_NORM);
+}
+
+
+/* ed_delete_prev_word():
+ * Delete from beginning of current word to cursor
+ * [M-^?] [^W]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_delete_prev_word(EditLine *el, int c)
+{
+ char *cp, *p, *kp;
+
+ if (el->el_line.cursor == el->el_line.buffer)
+ return (CC_ERROR);
+
+ cp = c__prev_word(el->el_line.cursor, el->el_line.buffer,
+ el->el_state.argument, ce__isword);
+
+ for (p = cp, kp = el->el_chared.c_kill.buf; p < el->el_line.cursor; p++)
+ *kp++ = *p;
+ el->el_chared.c_kill.last = kp;
+
+ c_delbefore(el, el->el_line.cursor - cp); /* delete before dot */
+ el->el_line.cursor = cp;
+ if (el->el_line.cursor < el->el_line.buffer)
+ el->el_line.cursor = el->el_line.buffer; /* bounds check */
+ return (CC_REFRESH);
+}
+
+
+/* ed_delete_next_char():
+ * Delete character under cursor
+ * [^D] [x]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_delete_next_char(EditLine *el, int c)
+{
+#ifdef notdef /* XXX */
+#define EL el->el_line
+ (void) fprintf(el->el_errlfile,
+ "\nD(b: %x(%s) c: %x(%s) last: %x(%s) limit: %x(%s)\n",
+ EL.buffer, EL.buffer, EL.cursor, EL.cursor, EL.lastchar,
+ EL.lastchar, EL.limit, EL.limit);
+#endif
+ if (el->el_line.cursor == el->el_line.lastchar) {
+ /* if I'm at the end */
+ if (el->el_map.type == MAP_VI) {
+ if (el->el_line.cursor == el->el_line.buffer) {
+ /* if I'm also at the beginning */
+#ifdef KSHVI
+ return (CC_ERROR);
+#else
+ term_overwrite(el, STReof, 4);
+ /* then do a EOF */
+ term__flush();
+ return (CC_EOF);
+#endif
+ } else {
+#ifdef KSHVI
+ el->el_line.cursor--;
+#else
+ return (CC_ERROR);
+#endif
+ }
+ } else {
+ if (el->el_line.cursor != el->el_line.buffer)
+ el->el_line.cursor--;
+ else
+ return (CC_ERROR);
+ }
+ }
+ c_delafter(el, el->el_state.argument); /* delete after dot */
+ if (el->el_line.cursor >= el->el_line.lastchar &&
+ el->el_line.cursor > el->el_line.buffer)
+ /* bounds check */
+ el->el_line.cursor = el->el_line.lastchar - 1;
+ return (CC_REFRESH);
+}
+
+
+/* ed_kill_line():
+ * Cut to the end of line
+ * [^K] [^K]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_kill_line(EditLine *el, int c)
+{
+ char *kp, *cp;
+
+ cp = el->el_line.cursor;
+ kp = el->el_chared.c_kill.buf;
+ while (cp < el->el_line.lastchar)
+ *kp++ = *cp++; /* copy it */
+ el->el_chared.c_kill.last = kp;
+ /* zap! -- delete to end */
+ el->el_line.lastchar = el->el_line.cursor;
+ return (CC_REFRESH);
+}
+
+
+/* ed_move_to_end():
+ * Move cursor to the end of line
+ * [^E] [^E]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_move_to_end(EditLine *el, int c)
+{
+
+ el->el_line.cursor = el->el_line.lastchar;
+ if (el->el_map.type == MAP_VI) {
+#ifdef VI_MOVE
+ el->el_line.cursor--;
+#endif
+ if (el->el_chared.c_vcmd.action & DELETE) {
+ cv_delfini(el);
+ return (CC_REFRESH);
+ }
+ }
+ return (CC_CURSOR);
+}
+
+
+/* ed_move_to_beg():
+ * Move cursor to the beginning of line
+ * [^A] [^A]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_move_to_beg(EditLine *el, int c)
+{
+
+ el->el_line.cursor = el->el_line.buffer;
+
+ if (el->el_map.type == MAP_VI) {
+ /* We want FIRST non space character */
+ while (isspace((unsigned char) *el->el_line.cursor))
+ el->el_line.cursor++;
+ if (el->el_chared.c_vcmd.action & DELETE) {
+ cv_delfini(el);
+ return (CC_REFRESH);
+ }
+ }
+ return (CC_CURSOR);
+}
+
+
+/* ed_transpose_chars():
+ * Exchange the character to the left of the cursor with the one under it
+ * [^T] [^T]
+ */
+protected el_action_t
+ed_transpose_chars(EditLine *el, int c)
+{
+
+ if (el->el_line.cursor < el->el_line.lastchar) {
+ if (el->el_line.lastchar <= &el->el_line.buffer[1])
+ return (CC_ERROR);
+ else
+ el->el_line.cursor++;
+ }
+ if (el->el_line.cursor > &el->el_line.buffer[1]) {
+ /* must have at least two chars entered */
+ c = el->el_line.cursor[-2];
+ el->el_line.cursor[-2] = el->el_line.cursor[-1];
+ el->el_line.cursor[-1] = c;
+ return (CC_REFRESH);
+ } else
+ return (CC_ERROR);
+}
+
+
+/* ed_next_char():
+ * Move to the right one character
+ * [^F] [^F]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_next_char(EditLine *el, int c)
+{
+
+ if (el->el_line.cursor >= el->el_line.lastchar)
+ return (CC_ERROR);
+
+ el->el_line.cursor += el->el_state.argument;
+ if (el->el_line.cursor > el->el_line.lastchar)
+ el->el_line.cursor = el->el_line.lastchar;
+
+ if (el->el_map.type == MAP_VI)
+ if (el->el_chared.c_vcmd.action & DELETE) {
+ cv_delfini(el);
+ return (CC_REFRESH);
+ }
+ return (CC_CURSOR);
+}
+
+
+/* ed_prev_word():
+ * Move to the beginning of the current word
+ * [M-b] [b]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_prev_word(EditLine *el, int c)
+{
+
+ if (el->el_line.cursor == el->el_line.buffer)
+ return (CC_ERROR);
+
+ el->el_line.cursor = c__prev_word(el->el_line.cursor,
+ el->el_line.buffer,
+ el->el_state.argument,
+ ce__isword);
+
+ if (el->el_map.type == MAP_VI)
+ if (el->el_chared.c_vcmd.action & DELETE) {
+ cv_delfini(el);
+ return (CC_REFRESH);
+ }
+ return (CC_CURSOR);
+}
+
+
+/* ed_prev_char():
+ * Move to the left one character
+ * [^B] [^B]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_prev_char(EditLine *el, int c)
+{
+
+ if (el->el_line.cursor > el->el_line.buffer) {
+ el->el_line.cursor -= el->el_state.argument;
+ if (el->el_line.cursor < el->el_line.buffer)
+ el->el_line.cursor = el->el_line.buffer;
+
+ if (el->el_map.type == MAP_VI)
+ if (el->el_chared.c_vcmd.action & DELETE) {
+ cv_delfini(el);
+ return (CC_REFRESH);
+ }
+ return (CC_CURSOR);
+ } else
+ return (CC_ERROR);
+}
+
+
+/* ed_quoted_insert():
+ * Add the next character typed verbatim
+ * [^V] [^V]
+ */
+protected el_action_t
+ed_quoted_insert(EditLine *el, int c)
+{
+ int num;
+ char tc;
+
+ tty_quotemode(el);
+ num = el_getc(el, &tc);
+ c = (unsigned char) tc;
+ tty_noquotemode(el);
+ if (num == 1)
+ return (ed_insert(el, c));
+ else
+ return (ed_end_of_file(el, 0));
+}
+
+
+/* ed_digit():
+ * Adds to argument or enters a digit
+ */
+protected el_action_t
+ed_digit(EditLine *el, int c)
+{
+
+ if (!isdigit(c))
+ return (CC_ERROR);
+
+ if (el->el_state.doingarg) {
+ /* if doing an arg, add this in... */
+ if (el->el_state.lastcmd == EM_UNIVERSAL_ARGUMENT)
+ el->el_state.argument = c - '0';
+ else {
+ if (el->el_state.argument > 1000000)
+ return (CC_ERROR);
+ el->el_state.argument =
+ (el->el_state.argument * 10) + (c - '0');
+ }
+ return (CC_ARGHACK);
+ } else {
+ if (el->el_line.lastchar + 1 >= el->el_line.limit) {
+ if (!ch_enlargebufs(el, 1))
+ return (CC_ERROR);
+ }
+
+ if (el->el_state.inputmode != MODE_INSERT) {
+ el->el_chared.c_undo.buf[el->el_chared.c_undo.isize++] =
+ *el->el_line.cursor;
+ el->el_chared.c_undo.buf[el->el_chared.c_undo.isize] =
+ '\0';
+ c_delafter(el, 1);
+ }
+ c_insert(el, 1);
+ *el->el_line.cursor++ = c;
+ el->el_state.doingarg = 0;
+ re_fastaddc(el);
+ }
+ return (CC_NORM);
+}
+
+
+/* ed_argument_digit():
+ * Digit that starts argument
+ * For ESC-n
+ */
+protected el_action_t
+ed_argument_digit(EditLine *el, int c)
+{
+
+ if (!isdigit(c))
+ return (CC_ERROR);
+
+ if (el->el_state.doingarg) {
+ if (el->el_state.argument > 1000000)
+ return (CC_ERROR);
+ el->el_state.argument = (el->el_state.argument * 10) +
+ (c - '0');
+ } else { /* else starting an argument */
+ el->el_state.argument = c - '0';
+ el->el_state.doingarg = 1;
+ }
+ return (CC_ARGHACK);
+}
+
+
+/* ed_unassigned():
+ * Indicates unbound character
+ * Bound to keys that are not assigned
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_unassigned(EditLine *el, int c)
+{
+
+ term_beep(el);
+ term__flush();
+ return (CC_NORM);
+}
+
+
+/**
+ ** TTY key handling.
+ **/
+
+/* ed_tty_sigint():
+ * Tty interrupt character
+ * [^C]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_tty_sigint(EditLine *el, int c)
+{
+
+ return (CC_NORM);
+}
+
+
+/* ed_tty_dsusp():
+ * Tty delayed suspend character
+ * [^Y]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_tty_dsusp(EditLine *el, int c)
+{
+
+ return (CC_NORM);
+}
+
+
+/* ed_tty_flush_output():
+ * Tty flush output characters
+ * [^O]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_tty_flush_output(EditLine *el, int c)
+{
+
+ return (CC_NORM);
+}
+
+
+/* ed_tty_sigquit():
+ * Tty quit character
+ * [^\]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_tty_sigquit(EditLine *el, int c)
+{
+
+ return (CC_NORM);
+}
+
+
+/* ed_tty_sigtstp():
+ * Tty suspend character
+ * [^Z]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_tty_sigtstp(EditLine *el, int c)
+{
+
+ return (CC_NORM);
+}
+
+
+/* ed_tty_stop_output():
+ * Tty disallow output characters
+ * [^S]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_tty_stop_output(EditLine *el, int c)
+{
+
+ return (CC_NORM);
+}
+
+
+/* ed_tty_start_output():
+ * Tty allow output characters
+ * [^Q]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_tty_start_output(EditLine *el, int c)
+{
+
+ return (CC_NORM);
+}
+
+
+/* ed_newline():
+ * Execute command
+ * [^J]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_newline(EditLine *el, int c)
+{
+
+ re_goto_bottom(el);
+ *el->el_line.lastchar++ = '\n';
+ *el->el_line.lastchar = '\0';
+ if (el->el_map.type == MAP_VI)
+ el->el_chared.c_vcmd.ins = el->el_line.buffer;
+ return (CC_NEWLINE);
+}
+
+
+/* ed_delete_prev_char():
+ * Delete the character to the left of the cursor
+ * [^?]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_delete_prev_char(EditLine *el, int c)
+{
+
+ if (el->el_line.cursor <= el->el_line.buffer)
+ return (CC_ERROR);
+
+ c_delbefore(el, el->el_state.argument);
+ el->el_line.cursor -= el->el_state.argument;
+ if (el->el_line.cursor < el->el_line.buffer)
+ el->el_line.cursor = el->el_line.buffer;
+ return (CC_REFRESH);
+}
+
+
+/* ed_clear_screen():
+ * Clear screen leaving current line at the top
+ * [^L]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_clear_screen(EditLine *el, int c)
+{
+
+ term_clear_screen(el); /* clear the whole real screen */
+ re_clear_display(el); /* reset everything */
+ return (CC_REFRESH);
+}
+
+
+/* ed_redisplay():
+ * Redisplay everything
+ * ^R
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_redisplay(EditLine *el, int c)
+{
+
+ return (CC_REDISPLAY);
+}
+
+
+/* ed_start_over():
+ * Erase current line and start from scratch
+ * [^G]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_start_over(EditLine *el, int c)
+{
+
+ ch_reset(el);
+ return (CC_REFRESH);
+}
+
+
+/* ed_sequence_lead_in():
+ * First character in a bound sequence
+ * Placeholder for external keys
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_sequence_lead_in(EditLine *el, int c)
+{
+
+ return (CC_NORM);
+}
+
+
+/* ed_prev_history():
+ * Move to the previous history line
+ * [^P] [k]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_prev_history(EditLine *el, int c)
+{
+ char beep = 0;
+
+ el->el_chared.c_undo.action = NOP;
+ *el->el_line.lastchar = '\0'; /* just in case */
+
+ if (el->el_history.eventno == 0) { /* save the current buffer
+ * away */
+ (void) strncpy(el->el_history.buf, el->el_line.buffer,
+ EL_BUFSIZ - 1);
+ el->el_history.last = el->el_history.buf +
+ (el->el_line.lastchar - el->el_line.buffer);
+ }
+ el->el_history.eventno += el->el_state.argument;
+
+ if (hist_get(el) == CC_ERROR) {
+ beep = 1;
+ /* el->el_history.eventno was fixed by first call */
+ (void) hist_get(el);
+ }
+ re_refresh(el);
+ if (beep)
+ return (CC_ERROR);
+ else
+ return (CC_NORM); /* was CC_UP_HIST */
+}
+
+
+/* ed_next_history():
+ * Move to the next history line
+ * [^N] [j]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_next_history(EditLine *el, int c)
+{
+
+ el->el_chared.c_undo.action = NOP;
+ *el->el_line.lastchar = '\0'; /* just in case */
+
+ el->el_history.eventno -= el->el_state.argument;
+
+ if (el->el_history.eventno < 0) {
+ el->el_history.eventno = 0;
+ return (CC_ERROR);/* make it beep */
+ }
+ return (hist_get(el));
+}
+
+
+/* ed_search_prev_history():
+ * Search previous in history for a line matching the current
+ * next search history [M-P] [K]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_search_prev_history(EditLine *el, int c)
+{
+ const char *hp;
+ int h;
+ bool_t found = 0;
+
+ el->el_chared.c_vcmd.action = NOP;
+ el->el_chared.c_undo.action = NOP;
+ *el->el_line.lastchar = '\0'; /* just in case */
+ if (el->el_history.eventno < 0) {
+#ifdef DEBUG_EDIT
+ (void) fprintf(el->el_errfile,
+ "e_prev_search_hist(): eventno < 0;\n");
+#endif
+ el->el_history.eventno = 0;
+ return (CC_ERROR);
+ }
+ if (el->el_history.eventno == 0) {
+ (void) strncpy(el->el_history.buf, el->el_line.buffer,
+ EL_BUFSIZ - 1);
+ el->el_history.last = el->el_history.buf +
+ (el->el_line.lastchar - el->el_line.buffer);
+ }
+ if (el->el_history.ref == NULL)
+ return (CC_ERROR);
+
+ hp = HIST_FIRST(el);
+ if (hp == NULL)
+ return (CC_ERROR);
+
+ c_setpat(el); /* Set search pattern !! */
+
+ for (h = 1; h <= el->el_history.eventno; h++)
+ hp = HIST_NEXT(el);
+
+ while (hp != NULL) {
+#ifdef SDEBUG
+ (void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp);
+#endif
+ if ((strncmp(hp, el->el_line.buffer, (size_t)
+ (el->el_line.lastchar - el->el_line.buffer)) ||
+ hp[el->el_line.lastchar - el->el_line.buffer]) &&
+ c_hmatch(el, hp)) {
+ found++;
+ break;
+ }
+ h++;
+ hp = HIST_NEXT(el);
+ }
+
+ if (!found) {
+#ifdef SDEBUG
+ (void) fprintf(el->el_errfile, "not found\n");
+#endif
+ return (CC_ERROR);
+ }
+ el->el_history.eventno = h;
+
+ return (hist_get(el));
+}
+
+
+/* ed_search_next_history():
+ * Search next in history for a line matching the current
+ * [M-N] [J]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_search_next_history(EditLine *el, int c)
+{
+ const char *hp;
+ int h;
+ bool_t found = 0;
+
+ el->el_chared.c_vcmd.action = NOP;
+ el->el_chared.c_undo.action = NOP;
+ *el->el_line.lastchar = '\0'; /* just in case */
+
+ if (el->el_history.eventno == 0)
+ return (CC_ERROR);
+
+ if (el->el_history.ref == NULL)
+ return (CC_ERROR);
+
+ hp = HIST_FIRST(el);
+ if (hp == NULL)
+ return (CC_ERROR);
+
+ c_setpat(el); /* Set search pattern !! */
+
+ for (h = 1; h < el->el_history.eventno && hp; h++) {
+#ifdef SDEBUG
+ (void) fprintf(el->el_errfile, "Comparing with \"%s\"\n", hp);
+#endif
+ if ((strncmp(hp, el->el_line.buffer, (size_t)
+ (el->el_line.lastchar - el->el_line.buffer)) ||
+ hp[el->el_line.lastchar - el->el_line.buffer]) &&
+ c_hmatch(el, hp))
+ found = h;
+ hp = HIST_NEXT(el);
+ }
+
+ if (!found) { /* is it the current history number? */
+ if (!c_hmatch(el, el->el_history.buf)) {
+#ifdef SDEBUG
+ (void) fprintf(el->el_errfile, "not found\n");
+#endif
+ return (CC_ERROR);
+ }
+ }
+ el->el_history.eventno = found;
+
+ return (hist_get(el));
+}
+
+
+/* ed_prev_line():
+ * Move up one line
+ * Could be [k] [^p]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_prev_line(EditLine *el, int c)
+{
+ char *ptr;
+ int nchars = c_hpos(el);
+
+ /*
+ * Move to the line requested
+ */
+ if (*(ptr = el->el_line.cursor) == '\n')
+ ptr--;
+
+ for (; ptr >= el->el_line.buffer; ptr--)
+ if (*ptr == '\n' && --el->el_state.argument <= 0)
+ break;
+
+ if (el->el_state.argument > 0)
+ return (CC_ERROR);
+
+ /*
+ * Move to the beginning of the line
+ */
+ for (ptr--; ptr >= el->el_line.buffer && *ptr != '\n'; ptr--)
+ continue;
+
+ /*
+ * Move to the character requested
+ */
+ for (ptr++;
+ nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n';
+ ptr++)
+ continue;
+
+ el->el_line.cursor = ptr;
+ return (CC_CURSOR);
+}
+
+
+/* ed_next_line():
+ * Move down one line
+ * Could be [j] [^n]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_next_line(EditLine *el, int c)
+{
+ char *ptr;
+ int nchars = c_hpos(el);
+
+ /*
+ * Move to the line requested
+ */
+ for (ptr = el->el_line.cursor; ptr < el->el_line.lastchar; ptr++)
+ if (*ptr == '\n' && --el->el_state.argument <= 0)
+ break;
+
+ if (el->el_state.argument > 0)
+ return (CC_ERROR);
+
+ /*
+ * Move to the character requested
+ */
+ for (ptr++;
+ nchars-- > 0 && ptr < el->el_line.lastchar && *ptr != '\n';
+ ptr++)
+ continue;
+
+ el->el_line.cursor = ptr;
+ return (CC_CURSOR);
+}
+
+
+/* ed_command():
+ * Editline extended command
+ * [M-X] [:]
+ */
+protected el_action_t
+/*ARGSUSED*/
+ed_command(EditLine *el, int c)
+{
+ char tmpbuf[EL_BUFSIZ];
+ int tmplen;
+
+ el->el_line.buffer[0] = '\0';
+ el->el_line.lastchar = el->el_line.buffer;
+ el->el_line.cursor = el->el_line.buffer;
+
+ c_insert(el, 3); /* prompt + ": " */
+ *el->el_line.cursor++ = '\n';
+ *el->el_line.cursor++ = ':';
+ *el->el_line.cursor++ = ' ';
+ re_refresh(el);
+
+ tmplen = c_gets(el, tmpbuf);
+ tmpbuf[tmplen] = '\0';
+
+ el->el_line.buffer[0] = '\0';
+ el->el_line.lastchar = el->el_line.buffer;
+ el->el_line.cursor = el->el_line.buffer;
+
+ if (parse_line(el, tmpbuf) == -1)
+ return (CC_ERROR);
+ else
+ return (CC_REFRESH);
+}