/* $NetBSD: vi.c,v 1.45 2014/06/18 18:12:28 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. 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" #include <stdlib.h> #include <unistd.h> #include <limits.h> #include <sys/wait.h> #if !defined(lint) && !defined(SCCSID) #if 0 static char sccsid[] = "@(#)vi.c 8.1 (Berkeley) 6/4/93"; #else __RCSID("$NetBSD: vi.c,v 1.45 2014/06/18 18:12:28 christos Exp $"); #endif #endif /* not lint && not SCCSID */ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); /* * vi.c: Vi mode commands. */ #include "el.h" private el_action_t cv_action(EditLine *, Int); private el_action_t cv_paste(EditLine *, Int); /* cv_action(): * Handle vi actions. */ private el_action_t cv_action(EditLine *el, Int c) { if (el->el_chared.c_vcmd.action != NOP) { /* 'cc', 'dd' and (possibly) friends */ if (c != (Int)el->el_chared.c_vcmd.action) return CC_ERROR; if (!(c & YANK)) cv_undo(el); cv_yank(el, el->el_line.buffer, (int)(el->el_line.lastchar - el->el_line.buffer)); el->el_chared.c_vcmd.action = NOP; el->el_chared.c_vcmd.pos = 0; if (!(c & YANK)) { el->el_line.lastchar = el->el_line.buffer; el->el_line.cursor = el->el_line.buffer; } if (c & INSERT) el->el_map.current = el->el_map.key; return CC_REFRESH; } el->el_chared.c_vcmd.pos = el->el_line.cursor; el->el_chared.c_vcmd.action = c; return CC_ARGHACK; } /* cv_paste(): * Paste previous deletion before or after the cursor */ private el_action_t cv_paste(EditLine *el, Int c) { c_kill_t *k = &el->el_chared.c_kill; size_t len = (size_t)(k->last - k->buf); if (k->buf == NULL || len == 0) return CC_ERROR; #ifdef DEBUG_PASTE (void) fprintf(el->el_errfile, "Paste: \"%.*s\"\n", (int)len, k->buf); #endif cv_undo(el); if (!c && el->el_line.cursor < el->el_line.lastchar) el->el_line.cursor++; c_insert(el, (int)len); if (el->el_line.cursor + len > el->el_line.lastchar) return CC_ERROR; (void) memcpy(el->el_line.cursor, k->buf, len * sizeof(*el->el_line.cursor)); return CC_REFRESH; } /* vi_paste_next(): * Vi paste previous deletion to the right of the cursor * [p] */ protected el_action_t /*ARGSUSED*/ vi_paste_next(EditLine *el, Int c __attribute__((__unused__))) { return cv_paste(el, 0); } /* vi_paste_prev(): * Vi paste previous deletion to the left of the cursor * [P] */ protected el_action_t /*ARGSUSED*/ vi_paste_prev(EditLine *el, Int c __attribute__((__unused__))) { return cv_paste(el, 1); } /* vi_prev_big_word(): * Vi move to the previous space delimited word * [B] */ protected el_action_t /*ARGSUSED*/ vi_prev_big_word(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_line.cursor == el->el_line.buffer) return CC_ERROR; el->el_line.cursor = cv_prev_word(el->el_line.cursor, el->el_line.buffer, el->el_state.argument, cv__isWord); if (el->el_chared.c_vcmd.action != NOP) { cv_delfini(el); return CC_REFRESH; } return CC_CURSOR; } /* vi_prev_word(): * Vi move to the previous word * [b] */ protected el_action_t /*ARGSUSED*/ vi_prev_word(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_line.cursor == el->el_line.buffer) return CC_ERROR; el->el_line.cursor = cv_prev_word(el->el_line.cursor, el->el_line.buffer, el->el_state.argument, cv__isword); if (el->el_chared.c_vcmd.action != NOP) { cv_delfini(el); return CC_REFRESH; } return CC_CURSOR; } /* vi_next_big_word(): * Vi move to the next space delimited word * [W] */ protected el_action_t /*ARGSUSED*/ vi_next_big_word(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_line.cursor >= el->el_line.lastchar - 1) return CC_ERROR; el->el_line.cursor = cv_next_word(el, el->el_line.cursor, el->el_line.lastchar, el->el_state.argument, cv__isWord); if (el->el_map.type == MAP_VI) if (el->el_chared.c_vcmd.action != NOP) { cv_delfini(el); return CC_REFRESH; } return CC_CURSOR; } /* vi_next_word(): * Vi move to the next word * [w] */ protected el_action_t /*ARGSUSED*/ vi_next_word(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_line.cursor >= el->el_line.lastchar - 1) return CC_ERROR; el->el_line.cursor = cv_next_word(el, el->el_line.cursor, el->el_line.lastchar, el->el_state.argument, cv__isword); if (el->el_map.type == MAP_VI) if (el->el_chared.c_vcmd.action != NOP) { cv_delfini(el); return CC_REFRESH; } return CC_CURSOR; } /* vi_change_case(): * Vi change case of character under the cursor and advance one character * [~] */ protected el_action_t vi_change_case(EditLine *el, Int c) { int i; if (el->el_line.cursor >= el->el_line.lastchar) return CC_ERROR; cv_undo(el); for (i = 0; i < el->el_state.argument; i++) { c = *el->el_line.cursor; if (Isupper(c)) *el->el_line.cursor = Tolower(c); else if (Islower(c)) *el->el_line.cursor = Toupper(c); if (++el->el_line.cursor >= el->el_line.lastchar) { el->el_line.cursor--; re_fastaddc(el); break; } re_fastaddc(el); } return CC_NORM; } /* vi_change_meta(): * Vi change prefix command * [c] */ protected el_action_t /*ARGSUSED*/ vi_change_meta(EditLine *el, Int c __attribute__((__unused__))) { /* * Delete with insert == change: first we delete and then we leave in * insert mode. */ return cv_action(el, DELETE | INSERT); } /* vi_insert_at_bol(): * Vi enter insert mode at the beginning of line * [I] */ protected el_action_t /*ARGSUSED*/ vi_insert_at_bol(EditLine *el, Int c __attribute__((__unused__))) { el->el_line.cursor = el->el_line.buffer; cv_undo(el); el->el_map.current = el->el_map.key; return CC_CURSOR; } /* vi_replace_char(): * Vi replace character under the cursor with the next character typed * [r] */ protected el_action_t /*ARGSUSED*/ vi_replace_char(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_line.cursor >= el->el_line.lastchar) return CC_ERROR; el->el_map.current = el->el_map.key; el->el_state.inputmode = MODE_REPLACE_1; cv_undo(el); return CC_ARGHACK; } /* vi_replace_mode(): * Vi enter replace mode * [R] */ protected el_action_t /*ARGSUSED*/ vi_replace_mode(EditLine *el, Int c __attribute__((__unused__))) { el->el_map.current = el->el_map.key; el->el_state.inputmode = MODE_REPLACE; cv_undo(el); return CC_NORM; } /* vi_substitute_char(): * Vi replace character under the cursor and enter insert mode * [s] */ protected el_action_t /*ARGSUSED*/ vi_substitute_char(EditLine *el, Int c __attribute__((__unused__))) { c_delafter(el, el->el_state.argument); el->el_map.current = el->el_map.key; return CC_REFRESH; } /* vi_substitute_line(): * Vi substitute entire line * [S] */ protected el_action_t /*ARGSUSED*/ vi_substitute_line(EditLine *el, Int c __attribute__((__unused__))) { cv_undo(el); cv_yank(el, el->el_line.buffer, (int)(el->el_line.lastchar - el->el_line.buffer)); (void) em_kill_line(el, 0); el->el_map.current = el->el_map.key; return CC_REFRESH; } /* vi_change_to_eol(): * Vi change to end of line * [C] */ protected el_action_t /*ARGSUSED*/ vi_change_to_eol(EditLine *el, Int c __attribute__((__unused__))) { cv_undo(el); cv_yank(el, el->el_line.cursor, (int)(el->el_line.lastchar - el->el_line.cursor)); (void) ed_kill_line(el, 0); el->el_map.current = el->el_map.key; return CC_REFRESH; } /* vi_insert(): * Vi enter insert mode * [i] */ protected el_action_t /*ARGSUSED*/ vi_insert(EditLine *el, Int c __attribute__((__unused__))) { el->el_map.current = el->el_map.key; cv_undo(el); return CC_NORM; } /* vi_add(): * Vi enter insert mode after the cursor * [a] */ protected el_action_t /*ARGSUSED*/ vi_add(EditLine *el, Int c __attribute__((__unused__))) { int ret; el->el_map.current = el->el_map.key; if (el->el_line.cursor < el->el_line.lastchar) { el->el_line.cursor++; if (el->el_line.cursor > el->el_line.lastchar) el->el_line.cursor = el->el_line.lastchar; ret = CC_CURSOR; } else ret = CC_NORM; cv_undo(el); return (el_action_t)ret; } /* vi_add_at_eol(): * Vi enter insert mode at end of line * [A] */ protected el_action_t /*ARGSUSED*/ vi_add_at_eol(EditLine *el, Int c __attribute__((__unused__))) { el->el_map.current = el->el_map.key; el->el_line.cursor = el->el_line.lastchar; cv_undo(el); return CC_CURSOR; } /* vi_delete_meta(): * Vi delete prefix command * [d] */ protected el_action_t /*ARGSUSED*/ vi_delete_meta(EditLine *el, Int c __attribute__((__unused__))) { return cv_action(el, DELETE); } /* vi_end_big_word(): * Vi move to the end of the current space delimited word * [E] */ protected el_action_t /*ARGSUSED*/ vi_end_big_word(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_line.cursor == el->el_line.lastchar) return CC_ERROR; el->el_line.cursor = cv__endword(el->el_line.cursor, el->el_line.lastchar, el->el_state.argument, cv__isWord); if (el->el_chared.c_vcmd.action != NOP) { el->el_line.cursor++; cv_delfini(el); return CC_REFRESH; } return CC_CURSOR; } /* vi_end_word(): * Vi move to the end of the current word * [e] */ protected el_action_t /*ARGSUSED*/ vi_end_word(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_line.cursor == el->el_line.lastchar) return CC_ERROR; el->el_line.cursor = cv__endword(el->el_line.cursor, el->el_line.lastchar, el->el_state.argument, cv__isword); if (el->el_chared.c_vcmd.action != NOP) { el->el_line.cursor++; cv_delfini(el); return CC_REFRESH; } return CC_CURSOR; } /* vi_undo(): * Vi undo last change * [u] */ protected el_action_t /*ARGSUSED*/ vi_undo(EditLine *el, Int c __attribute__((__unused__))) { c_undo_t un = el->el_chared.c_undo; if (un.len == -1) return CC_ERROR; /* switch line buffer and undo buffer */ el->el_chared.c_undo.buf = el->el_line.buffer; el->el_chared.c_undo.len = el->el_line.lastchar - el->el_line.buffer; el->el_chared.c_undo.cursor = (int)(el->el_line.cursor - el->el_line.buffer); el->el_line.limit = un.buf + (el->el_line.limit - el->el_line.buffer); el->el_line.buffer = un.buf; el->el_line.cursor = un.buf + un.cursor; el->el_line.lastchar = un.buf + un.len; return CC_REFRESH; } /* vi_command_mode(): * Vi enter command mode (use alternative key bindings) * [<ESC>] */ protected el_action_t /*ARGSUSED*/ vi_command_mode(EditLine *el, Int c __attribute__((__unused__))) { /* [Esc] cancels pending action */ el->el_chared.c_vcmd.action = NOP; el->el_chared.c_vcmd.pos = 0; el->el_state.doingarg = 0; el->el_state.inputmode = MODE_INSERT; el->el_map.current = el->el_map.alt; #ifdef VI_MOVE if (el->el_line.cursor > el->el_line.buffer) el->el_line.cursor--; #endif return CC_CURSOR; } /* vi_zero(): * Vi move to the beginning of line * [0] */ protected el_action_t vi_zero(EditLine *el, Int c) { if (el->el_state.doingarg) return ed_argument_digit(el, c); el->el_line.cursor = el->el_line.buffer; if (el->el_chared.c_vcmd.action != NOP) { cv_delfini(el); return CC_REFRESH; } return CC_CURSOR; } /* vi_delete_prev_char(): * Vi move to previous character (backspace) * [^H] in insert mode only */ protected el_action_t /*ARGSUSED*/ vi_delete_prev_char(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_line.cursor <= el->el_line.buffer) return CC_ERROR; c_delbefore1(el); el->el_line.cursor--; return CC_REFRESH; } /* vi_list_or_eof(): * Vi list choices for completion or indicate end of file if empty line * [^D] */ protected el_action_t /*ARGSUSED*/ vi_list_or_eof(EditLine *el, Int c) { if (el->el_line.cursor == el->el_line.lastchar) { if (el->el_line.cursor == el->el_line.buffer) { terminal_writec(el, c); /* then do a EOF */ return CC_EOF; } else { /* * Here we could list completions, but it is an * error right now */ terminal_beep(el); return CC_ERROR; } } else { #ifdef notyet re_goto_bottom(el); *el->el_line.lastchar = '\0'; /* just in case */ return CC_LIST_CHOICES; #else /* * Just complain for now. */ terminal_beep(el); return CC_ERROR; #endif } } /* vi_kill_line_prev(): * Vi cut from beginning of line to cursor * [^U] */ protected el_action_t /*ARGSUSED*/ vi_kill_line_prev(EditLine *el, Int c __attribute__((__unused__))) { Char *kp, *cp; cp = el->el_line.buffer; kp = el->el_chared.c_kill.buf; while (cp < el->el_line.cursor) *kp++ = *cp++; /* copy it */ el->el_chared.c_kill.last = kp; c_delbefore(el, (int)(el->el_line.cursor - el->el_line.buffer)); el->el_line.cursor = el->el_line.buffer; /* zap! */ return CC_REFRESH; } /* vi_search_prev(): * Vi search history previous * [?] */ protected el_action_t /*ARGSUSED*/ vi_search_prev(EditLine *el, Int c __attribute__((__unused__))) { return cv_search(el, ED_SEARCH_PREV_HISTORY); } /* vi_search_next(): * Vi search history next * [/] */ protected el_action_t /*ARGSUSED*/ vi_search_next(EditLine *el, Int c __attribute__((__unused__))) { return cv_search(el, ED_SEARCH_NEXT_HISTORY); } /* vi_repeat_search_next(): * Vi repeat current search in the same search direction * [n] */ protected el_action_t /*ARGSUSED*/ vi_repeat_search_next(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_search.patlen == 0) return CC_ERROR; else return cv_repeat_srch(el, el->el_search.patdir); } /* vi_repeat_search_prev(): * Vi repeat current search in the opposite search direction * [N] */ /*ARGSUSED*/ protected el_action_t vi_repeat_search_prev(EditLine *el, Int c __attribute__((__unused__))) { if (el->el_search.patlen == 0) return CC_ERROR; else return (cv_repeat_srch(el, el->el_search.patdir == ED_SEARCH_PREV_HISTORY ? ED_SEARCH_NEXT_HISTORY : ED_SEARCH_PREV_HISTORY)); } /* vi_next_char(): * Vi move to the character specified next * [f] */ protected el_action_t /*ARGSUSED*/ vi_next_char(EditLine *el, Int c __attribute__((__unused__))) { return cv_csearch(el, CHAR_FWD, -1, el->el_state.argument, 0); } /* vi_prev_char(): * Vi move to the character specified previous * [F] */ protected el_action_t /*ARGSUSED*/ vi_prev_char(EditLine *el, Int c __attribute__((__unused__))) { return cv_csearch(el, CHAR_BACK, -1, el->el_state.argument, 0); } /* vi_to_next_char(): * Vi move up to the character specified next * [t] */ protected el_action_t /*ARGSUSED*/ vi_to_next_char(EditLine *el, Int c __attribute__((__unused__))) { return cv_csearch(el, CHAR_FWD, -1, el->el_state.argument, 1); } /* vi_to_prev_char(): * Vi move up to the character specified previous * [T] */ protected el_action_t /*ARGSUSED*/ vi_to_prev_char(EditLine *el, Int c __attribute__((__unused__))) { return cv_csearch(el, CHAR_BACK, -1, el->el_state.argument, 1); } /* vi_repeat_next_char(): * Vi repeat current character search in the same search direction * [;] */ protected el_action_t /*ARGSUSED*/ vi_repeat_next_char(EditLine *el, Int c __attribute__((__unused__))) { return cv_csearch(el, el->el_search.chadir, el->el_search.chacha, el->el_state.argument, el->el_search.chatflg); } /* vi_repeat_prev_char(): * Vi repeat current character search in the opposite search direction * [,] */ protected el_action_t /*ARGSUSED*/ vi_repeat_prev_char(EditLine *el, Int c __attribute__((__unused__))) { el_action_t r; int dir = el->el_search.chadir; r = cv_csearch(el, -dir, el->el_search.chacha, el->el_state.argument, el->el_search.chatflg); el->el_search.chadir = dir; return r; } /* vi_match(): * Vi go to matching () {} or [] * [%] */ protected el_action_t /*ARGSUSED*/ vi_match(EditLine *el, Int c __attribute__((__unused__))) { const Char match_chars[] = STR("()[]{}"); Char *cp; size_t delta, i, count; Char o_ch, c_ch; *el->el_line.lastchar = '\0'; /* just in case */ i = Strcspn(el->el_line.cursor, match_chars); o_ch = el->el_line.cursor[i]; if (o_ch == 0) return CC_ERROR; delta = (size_t)(Strchr(match_chars, o_ch) - match_chars); c_ch = match_chars[delta ^ 1]; count = 1; delta = 1 - (delta & 1) * 2; for (cp = &el->el_line.cursor[i]; count; ) { cp += delta; if (cp < el->el_line.buffer || cp >= el->el_line.lastchar) return CC_ERROR; if (*cp == o_ch) count++; else if (*cp == c_ch) count--; } el->el_line.cursor = cp; if (el->el_chared.c_vcmd.action != NOP) { /* NB posix says char under cursor should NOT be deleted for -ve delta - this is different to netbsd vi. */ if (delta > 0) el->el_line.cursor++; cv_delfini(el); return CC_REFRESH; } return CC_CURSOR; } /* vi_undo_line(): * Vi undo all changes to line * [U] */ protected el_action_t /*ARGSUSED*/ vi_undo_line(EditLine *el, Int c __attribute__((__unused__))) { cv_undo(el); return hist_get(el); } /* vi_to_column(): * Vi go to specified column * [|] * NB netbsd vi goes to screen column 'n', posix says nth character */ protected el_action_t /*ARGSUSED*/ vi_to_column(EditLine *el, Int c __attribute__((__unused__))) { el->el_line.cursor = el->el_line.buffer; el->el_state.argument--; return ed_next_char(el, 0); } /* vi_yank_end(): * Vi yank to end of line * [Y] */ protected el_action_t /*ARGSUSED*/ vi_yank_end(EditLine *el, Int c __attribute__((__unused__))) { cv_yank(el, el->el_line.cursor, (int)(el->el_line.lastchar - el->el_line.cursor)); return CC_REFRESH; } /* vi_yank(): * Vi yank * [y] */ protected el_action_t /*ARGSUSED*/ vi_yank(EditLine *el, Int c __attribute__((__unused__))) { return cv_action(el, YANK); } /* vi_comment_out(): * Vi comment out current command * [#] */ protected el_action_t /*ARGSUSED*/ vi_comment_out(EditLine *el, Int c __attribute__((__unused__))) { el->el_line.cursor = el->el_line.buffer; c_insert(el, 1); *el->el_line.cursor = '#'; re_refresh(el); return ed_newline(el, 0); } /* vi_alias(): * Vi include shell alias * [@] * NB: posix implies that we should enter insert mode, however * this is against historical precedent... */ protected el_action_t /*ARGSUSED*/ vi_alias(EditLine *el, Int c __attribute__((__unused__))) { char alias_name[3]; const char *alias_text; if (el->el_chared.c_aliasfun == NULL) return CC_ERROR; alias_name[0] = '_'; alias_name[2] = 0; if (el_getc(el, &alias_name[1]) != 1) return CC_ERROR; alias_text = (*el->el_chared.c_aliasfun)(el->el_chared.c_aliasarg, alias_name); if (alias_text != NULL) FUN(el,push)(el, ct_decode_string(alias_text, &el->el_scratch)); return CC_NORM; } /* vi_to_history_line(): * Vi go to specified history file line. * [G] */ protected el_action_t /*ARGSUSED*/ vi_to_history_line(EditLine *el, Int c __attribute__((__unused__))) { int sv_event_no = el->el_history.eventno; el_action_t rval; if (el->el_history.eventno == 0) { (void) Strncpy(el->el_history.buf, el->el_line.buffer, EL_BUFSIZ); el->el_history.last = el->el_history.buf + (el->el_line.lastchar - el->el_line.buffer); } /* Lack of a 'count' means oldest, not 1 */ if (!el->el_state.doingarg) { el->el_history.eventno = 0x7fffffff; hist_get(el); } else { /* This is brain dead, all the rest of this code counts * upwards going into the past. Here we need count in the * other direction (to match the output of fc -l). * I could change the world, but this seems to suffice. */ el->el_history.eventno = 1; if (hist_get(el) == CC_ERROR) return CC_ERROR; el->el_history.eventno = 1 + el->el_history.ev.num - el->el_state.argument; if (el->el_history.eventno < 0) { el->el_history.eventno = sv_event_no; return CC_ERROR; } } rval = hist_get(el); if (rval == CC_ERROR) el->el_history.eventno = sv_event_no; return rval; } /* vi_histedit(): * Vi edit history line with vi * [v] */ protected el_action_t /*ARGSUSED*/ vi_histedit(EditLine *el, Int c __attribute__((__unused__))) { int fd; pid_t pid; ssize_t st; int status; char tempfile[] = "/tmp/histedit.XXXXXXXXXX"; char *cp = NULL; size_t len; Char *line = NULL; if (el->el_state.doingarg) { if (vi_to_history_line(el, 0) == CC_ERROR) return CC_ERROR; } fd = mkstemp(tempfile); if (fd < 0) return CC_ERROR; len = (size_t)(el->el_line.lastchar - el->el_line.buffer); #define TMP_BUFSIZ (EL_BUFSIZ * MB_LEN_MAX) cp = el_malloc(TMP_BUFSIZ * sizeof(*cp)); if (cp == NULL) goto error; line = el_malloc(len * sizeof(*line) + 1); if (line == NULL) goto error; Strncpy(line, el->el_line.buffer, len); line[len] = '\0'; ct_wcstombs(cp, line, TMP_BUFSIZ - 1); cp[TMP_BUFSIZ - 1] = '\0'; len = strlen(cp); write(fd, cp, len); write(fd, "\n", (size_t)1); pid = fork(); switch (pid) { case -1: goto error; case 0: close(fd); execlp("vi", "vi", tempfile, (char *)NULL); exit(0); /*NOTREACHED*/ default: while (waitpid(pid, &status, 0) != pid) continue; lseek(fd, (off_t)0, SEEK_SET); st = read(fd, cp, TMP_BUFSIZ); if (st > 0) { len = (size_t)(el->el_line.lastchar - el->el_line.buffer); len = ct_mbstowcs(el->el_line.buffer, cp, len); if (len > 0 && el->el_line.buffer[len -1] == '\n') --len; } else len = 0; el->el_line.cursor = el->el_line.buffer; el->el_line.lastchar = el->el_line.buffer + len; el_free(cp); el_free(line); break; } close(fd); unlink(tempfile); /* return CC_REFRESH; */ return ed_newline(el, 0); error: el_free(line); el_free(cp); close(fd); unlink(tempfile); return CC_ERROR; } /* vi_history_word(): * Vi append word from previous input line * [_] * Who knows where this one came from! * '_' in vi means 'entire current line', so 'cc' is a synonym for 'c_' */ protected el_action_t /*ARGSUSED*/ vi_history_word(EditLine *el, Int c __attribute__((__unused__))) { const Char *wp = HIST_FIRST(el); const Char *wep, *wsp; int len; Char *cp; const Char *lim; if (wp == NULL) return CC_ERROR; wep = wsp = 0; do { while (Isspace(*wp)) wp++; if (*wp == 0) break; wsp = wp; while (*wp && !Isspace(*wp)) wp++; wep = wp; } while ((!el->el_state.doingarg || --el->el_state.argument > 0) && *wp != 0); if (wsp == 0 || (el->el_state.doingarg && el->el_state.argument != 0)) return CC_ERROR; cv_undo(el); len = (int)(wep - wsp); if (el->el_line.cursor < el->el_line.lastchar) el->el_line.cursor++; c_insert(el, len + 1); cp = el->el_line.cursor; lim = el->el_line.limit; if (cp < lim) *cp++ = ' '; while (wsp < wep && cp < lim) *cp++ = *wsp++; el->el_line.cursor = cp; el->el_map.current = el->el_map.key; return CC_REFRESH; } /* vi_redo(): * Vi redo last non-motion command * [.] */ protected el_action_t /*ARGSUSED*/ vi_redo(EditLine *el, Int c __attribute__((__unused__))) { c_redo_t *r = &el->el_chared.c_redo; if (!el->el_state.doingarg && r->count) { el->el_state.doingarg = 1; el->el_state.argument = r->count; } el->el_chared.c_vcmd.pos = el->el_line.cursor; el->el_chared.c_vcmd.action = r->action; if (r->pos != r->buf) { if (r->pos + 1 > r->lim) /* sanity */ r->pos = r->lim - 1; r->pos[0] = 0; FUN(el,push)(el, r->buf); } el->el_state.thiscmd = r->cmd; el->el_state.thisch = r->ch; return (*el->el_map.func[r->cmd])(el, r->ch); }