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-rw-r--r--main/editline/term.c1587
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diff --git a/main/editline/term.c b/main/editline/term.c
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--- a/main/editline/term.c
+++ /dev/null
@@ -1,1587 +0,0 @@
-/* $NetBSD: term.c,v 1.35 2002/03/18 16:00:59 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[] = "@(#)term.c 8.2 (Berkeley) 4/30/95";
-#else
-__RCSID("$NetBSD: term.c,v 1.35 2002/03/18 16:00:59 christos Exp $");
-#endif
-#endif /* not lint && not SCCSID */
-
-/*
- * term.c: Editor/termcap-curses interface
- * We have to declare a static variable here, since the
- * termcap putchar routine does not take an argument!
- */
-#include <stdio.h>
-#include <signal.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#ifdef HAVE_TERMCAP_H
-#include <termcap.h>
-#endif
-#ifdef HAVE_CURSES_H
-#include <curses.h>
-#endif
-#ifdef HAVE_NCURSES_H
-#include <ncurses.h>
-#endif
-#if defined(HAVE_TERM_H)
-#include "term.h"
-/* Can not use /usr/include/term.h because of a lot of incompatibilities, so just define some prototypes */
-extern int tgetent(char *, const char *);
-extern int tgetflag(const char *);
-extern int tgetnum(const char *);
-extern char *tgetstr(const char *, char **);
-extern int tputs (const char *, int, int (*)(int));
-extern char *tgoto (const char *, int, int);
-#endif /* defined(HAVE_TERM_H) */
-#include <sys/types.h>
-#include <sys/ioctl.h>
-
-#include "el.h"
-
-/*
- * IMPORTANT NOTE: these routines are allowed to look at the current screen
- * and the current possition assuming that it is correct. If this is not
- * true, then the update will be WRONG! This is (should be) a valid
- * assumption...
- */
-
-#define TC_BUFSIZE 2048
-
-#define GoodStr(a) (el->el_term.t_str[a] != NULL && \
- el->el_term.t_str[a][0] != '\0')
-#define Str(a) el->el_term.t_str[a]
-#define Val(a) el->el_term.t_val[a]
-
-#ifdef notdef
-private const struct {
- const char *b_name;
- int b_rate;
-} baud_rate[] = {
-#ifdef B0
- { "0", B0 },
-#endif
-#ifdef B50
- { "50", B50 },
-#endif
-#ifdef B75
- { "75", B75 },
-#endif
-#ifdef B110
- { "110", B110 },
-#endif
-#ifdef B134
- { "134", B134 },
-#endif
-#ifdef B150
- { "150", B150 },
-#endif
-#ifdef B200
- { "200", B200 },
-#endif
-#ifdef B300
- { "300", B300 },
-#endif
-#ifdef B600
- { "600", B600 },
-#endif
-#ifdef B900
- { "900", B900 },
-#endif
-#ifdef B1200
- { "1200", B1200 },
-#endif
-#ifdef B1800
- { "1800", B1800 },
-#endif
-#ifdef B2400
- { "2400", B2400 },
-#endif
-#ifdef B3600
- { "3600", B3600 },
-#endif
-#ifdef B4800
- { "4800", B4800 },
-#endif
-#ifdef B7200
- { "7200", B7200 },
-#endif
-#ifdef B9600
- { "9600", B9600 },
-#endif
-#ifdef EXTA
- { "19200", EXTA },
-#endif
-#ifdef B19200
- { "19200", B19200 },
-#endif
-#ifdef EXTB
- { "38400", EXTB },
-#endif
-#ifdef B38400
- { "38400", B38400 },
-#endif
- { NULL, 0 }
-};
-#endif
-
-private const struct termcapstr {
- const char *name;
- const char *long_name;
-} tstr[] = {
-#define T_al 0
- { "al", "add new blank line" },
-#define T_bl 1
- { "bl", "audible bell" },
-#define T_cd 2
- { "cd", "clear to bottom" },
-#define T_ce 3
- { "ce", "clear to end of line" },
-#define T_ch 4
- { "ch", "cursor to horiz pos" },
-#define T_cl 5
- { "cl", "clear screen" },
-#define T_dc 6
- { "dc", "delete a character" },
-#define T_dl 7
- { "dl", "delete a line" },
-#define T_dm 8
- { "dm", "start delete mode" },
-#define T_ed 9
- { "ed", "end delete mode" },
-#define T_ei 10
- { "ei", "end insert mode" },
-#define T_fs 11
- { "fs", "cursor from status line" },
-#define T_ho 12
- { "ho", "home cursor" },
-#define T_ic 13
- { "ic", "insert character" },
-#define T_im 14
- { "im", "start insert mode" },
-#define T_ip 15
- { "ip", "insert padding" },
-#define T_kd 16
- { "kd", "sends cursor down" },
-#define T_kl 17
- { "kl", "sends cursor left" },
-#define T_kr 18
- { "kr", "sends cursor right" },
-#define T_ku 19
- { "ku", "sends cursor up" },
-#define T_md 20
- { "md", "begin bold" },
-#define T_me 21
- { "me", "end attributes" },
-#define T_nd 22
- { "nd", "non destructive space" },
-#define T_se 23
- { "se", "end standout" },
-#define T_so 24
- { "so", "begin standout" },
-#define T_ts 25
- { "ts", "cursor to status line" },
-#define T_up 26
- { "up", "cursor up one" },
-#define T_us 27
- { "us", "begin underline" },
-#define T_ue 28
- { "ue", "end underline" },
-#define T_vb 29
- { "vb", "visible bell" },
-#define T_DC 30
- { "DC", "delete multiple chars" },
-#define T_DO 31
- { "DO", "cursor down multiple" },
-#define T_IC 32
- { "IC", "insert multiple chars" },
-#define T_LE 33
- { "LE", "cursor left multiple" },
-#define T_RI 34
- { "RI", "cursor right multiple" },
-#define T_UP 35
- { "UP", "cursor up multiple" },
-#define T_kh 36
- { "kh", "send cursor home" },
-#define T_at7 37
- { "@7", "send cursor end" },
-#define T_str 38
- { NULL, NULL }
-};
-
-private const struct termcapval {
- const char *name;
- const char *long_name;
-} tval[] = {
-#define T_am 0
- { "am", "has automatic margins" },
-#define T_pt 1
- { "pt", "has physical tabs" },
-#define T_li 2
- { "li", "Number of lines" },
-#define T_co 3
- { "co", "Number of columns" },
-#define T_km 4
- { "km", "Has meta key" },
-#define T_xt 5
- { "xt", "Tab chars destructive" },
-#define T_xn 6
- { "xn", "newline ignored at right margin" },
-#define T_MT 7
- { "MT", "Has meta key" }, /* XXX? */
-#define T_val 8
- { NULL, NULL, }
-};
-/* do two or more of the attributes use me */
-
-private void term_setflags(EditLine *);
-private int term_rebuffer_display(EditLine *);
-private void term_free_display(EditLine *);
-private int term_alloc_display(EditLine *);
-private void term_alloc(EditLine *, const struct termcapstr *, const char *);
-private void term_init_arrow(EditLine *);
-private void term_reset_arrow(EditLine *);
-
-
-private FILE *term_outfile = NULL; /* XXX: How do we fix that? */
-
-
-/* term_setflags():
- * Set the terminal capability flags
- */
-private void
-term_setflags(EditLine *el)
-{
- EL_FLAGS = 0;
- if (el->el_tty.t_tabs)
- EL_FLAGS |= (Val(T_pt) && !Val(T_xt)) ? TERM_CAN_TAB : 0;
-
- EL_FLAGS |= (Val(T_km) || Val(T_MT)) ? TERM_HAS_META : 0;
- EL_FLAGS |= GoodStr(T_ce) ? TERM_CAN_CEOL : 0;
- EL_FLAGS |= (GoodStr(T_dc) || GoodStr(T_DC)) ? TERM_CAN_DELETE : 0;
- EL_FLAGS |= (GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC)) ?
- TERM_CAN_INSERT : 0;
- EL_FLAGS |= (GoodStr(T_up) || GoodStr(T_UP)) ? TERM_CAN_UP : 0;
- EL_FLAGS |= Val(T_am) ? TERM_HAS_AUTO_MARGINS : 0;
- EL_FLAGS |= Val(T_xn) ? TERM_HAS_MAGIC_MARGINS : 0;
-
- if (GoodStr(T_me) && GoodStr(T_ue))
- EL_FLAGS |= (strcmp(Str(T_me), Str(T_ue)) == 0) ?
- TERM_CAN_ME : 0;
- else
- EL_FLAGS &= ~TERM_CAN_ME;
- if (GoodStr(T_me) && GoodStr(T_se))
- EL_FLAGS |= (strcmp(Str(T_me), Str(T_se)) == 0) ?
- TERM_CAN_ME : 0;
-
-
-#ifdef DEBUG_SCREEN
- if (!EL_CAN_UP) {
- (void) fprintf(el->el_errfile,
- "WARNING: Your terminal cannot move up.\n");
- (void) fprintf(el->el_errfile,
- "Editing may be odd for long lines.\n");
- }
- if (!EL_CAN_CEOL)
- (void) fprintf(el->el_errfile, "no clear EOL capability.\n");
- if (!EL_CAN_DELETE)
- (void) fprintf(el->el_errfile, "no delete char capability.\n");
- if (!EL_CAN_INSERT)
- (void) fprintf(el->el_errfile, "no insert char capability.\n");
-#endif /* DEBUG_SCREEN */
-}
-
-
-/* term_init():
- * Initialize the terminal stuff
- */
-protected int
-term_init(EditLine *el)
-{
-
- el->el_term.t_buf = (char *) el_malloc(TC_BUFSIZE);
- if (el->el_term.t_buf == NULL)
- return (-1);
- el->el_term.t_cap = (char *) el_malloc(TC_BUFSIZE);
- if (el->el_term.t_cap == NULL)
- return (-1);
- el->el_term.t_fkey = (fkey_t *) el_malloc(A_K_NKEYS * sizeof(fkey_t));
- if (el->el_term.t_fkey == NULL)
- return (-1);
- el->el_term.t_loc = 0;
- el->el_term.t_str = (char **) el_malloc(T_str * sizeof(char *));
- if (el->el_term.t_str == NULL)
- return (-1);
- (void) memset(el->el_term.t_str, 0, T_str * sizeof(char *));
- el->el_term.t_val = (int *) el_malloc(T_val * sizeof(int));
- if (el->el_term.t_val == NULL)
- return (-1);
- (void) memset(el->el_term.t_val, 0, T_val * sizeof(int));
- term_outfile = el->el_outfile;
- (void) term_set(el, NULL);
- term_init_arrow(el);
- return (0);
-}
-/* term_end():
- * Clean up the terminal stuff
- */
-protected void
-term_end(EditLine *el)
-{
-
- el_free((ptr_t) el->el_term.t_buf);
- el->el_term.t_buf = NULL;
- el_free((ptr_t) el->el_term.t_cap);
- el->el_term.t_cap = NULL;
- el_free((ptr_t) el->el_term.t_fkey);
- el->el_term.t_fkey = NULL;
- el->el_term.t_loc = 0;
- el_free((ptr_t) el->el_term.t_str);
- el->el_term.t_str = NULL;
- el_free((ptr_t) el->el_term.t_val);
- el->el_term.t_val = NULL;
- term_free_display(el);
-}
-
-
-/* term_alloc():
- * Maintain a string pool for termcap strings
- */
-private void
-term_alloc(EditLine *el, const struct termcapstr *t, const char *cap)
-{
- char termbuf[TC_BUFSIZE];
- int tlen, clen;
- char **tlist = el->el_term.t_str;
- char **tmp, **str = &tlist[t - tstr];
-
- if (cap == NULL || *cap == '\0') {
- *str = NULL;
- return;
- } else
- clen = strlen(cap);
-
- tlen = *str == NULL ? 0 : strlen(*str);
-
- /*
- * New string is shorter; no need to allocate space
- */
- if (clen <= tlen) {
- (void) strcpy(*str, cap); /* XXX strcpy is safe */
- return;
- }
- /*
- * New string is longer; see if we have enough space to append
- */
- if (el->el_term.t_loc + 3 < TC_BUFSIZE) {
- /* XXX strcpy is safe */
- (void) strcpy(*str = &el->el_term.t_buf[el->el_term.t_loc],
- cap);
- el->el_term.t_loc += clen + 1; /* one for \0 */
- return;
- }
- /*
- * Compact our buffer; no need to check compaction, cause we know it
- * fits...
- */
- tlen = 0;
- for (tmp = tlist; tmp < &tlist[T_str]; tmp++)
- if (*tmp != NULL && *tmp != '\0' && *tmp != *str) {
- char *ptr;
-
- for (ptr = *tmp; *ptr != '\0'; termbuf[tlen++] = *ptr++)
- continue;
- termbuf[tlen++] = '\0';
- }
- memcpy(el->el_term.t_buf, termbuf, TC_BUFSIZE);
- el->el_term.t_loc = tlen;
- if (el->el_term.t_loc + 3 >= TC_BUFSIZE) {
- (void) fprintf(el->el_errfile,
- "Out of termcap string space.\n");
- return;
- }
- /* XXX strcpy is safe */
- (void) strcpy(*str = &el->el_term.t_buf[el->el_term.t_loc], cap);
- el->el_term.t_loc += clen + 1; /* one for \0 */
- return;
-}
-
-
-/* term_rebuffer_display():
- * Rebuffer the display after the screen changed size
- */
-private int
-term_rebuffer_display(EditLine *el)
-{
- coord_t *c = &el->el_term.t_size;
-
- term_free_display(el);
-
- c->h = Val(T_co);
- c->v = Val(T_li);
-
- if (term_alloc_display(el) == -1)
- return (-1);
- return (0);
-}
-
-
-/* term_alloc_display():
- * Allocate a new display.
- */
-private int
-term_alloc_display(EditLine *el)
-{
- int i;
- char **b;
- coord_t *c = &el->el_term.t_size;
-
- b = (char **) el_malloc((size_t) (sizeof(char *) * (c->v + 1)));
- if (b == NULL)
- return (-1);
- for (i = 0; i < c->v; i++) {
- b[i] = (char *) el_malloc((size_t) (sizeof(char) * (c->h + 1)));
- if (b[i] == NULL)
- return (-1);
- }
- b[c->v] = NULL;
- el->el_display = b;
-
- b = (char **) el_malloc((size_t) (sizeof(char *) * (c->v + 1)));
- if (b == NULL)
- return (-1);
- for (i = 0; i < c->v; i++) {
- b[i] = (char *) el_malloc((size_t) (sizeof(char) * (c->h + 1)));
- if (b[i] == NULL)
- return (-1);
- }
- b[c->v] = NULL;
- el->el_vdisplay = b;
- return (0);
-}
-
-
-/* term_free_display():
- * Free the display buffers
- */
-private void
-term_free_display(EditLine *el)
-{
- char **b;
- char **bufp;
-
- b = el->el_display;
- el->el_display = NULL;
- if (b != NULL) {
- for (bufp = b; *bufp != NULL; bufp++)
- el_free((ptr_t) * bufp);
- el_free((ptr_t) b);
- }
- b = el->el_vdisplay;
- el->el_vdisplay = NULL;
- if (b != NULL) {
- for (bufp = b; *bufp != NULL; bufp++)
- el_free((ptr_t) * bufp);
- el_free((ptr_t) b);
- }
-}
-
-
-/* term_move_to_line():
- * move to line <where> (first line == 0)
- * as efficiently as possible
- */
-protected void
-term_move_to_line(EditLine *el, int where)
-{
- int del;
-
- if (where == el->el_cursor.v)
- return;
-
- if (where > el->el_term.t_size.v) {
-#ifdef DEBUG_SCREEN
- (void) fprintf(el->el_errfile,
- "term_move_to_line: where is ridiculous: %d\r\n", where);
-#endif /* DEBUG_SCREEN */
- return;
- }
- if ((del = where - el->el_cursor.v) > 0) {
- while (del > 0) {
- if (EL_HAS_AUTO_MARGINS &&
- el->el_display[el->el_cursor.v][0] != '\0') {
- /* move without newline */
- term_move_to_char(el, el->el_term.t_size.h - 1);
- term_overwrite(el,
- &el->el_display[el->el_cursor.v][el->el_cursor.h],
- 1);
- /* updates Cursor */
- del--;
- } else {
- if ((del > 1) && GoodStr(T_DO)) {
- (void) tputs(tgoto(Str(T_DO), del, del),
- del, term__putc);
- del = 0;
- } else {
- for (; del > 0; del--)
- term__putc('\n');
- /* because the \n will become \r\n */
- el->el_cursor.h = 0;
- }
- }
- }
- } else { /* del < 0 */
- if (GoodStr(T_UP) && (-del > 1 || !GoodStr(T_up)))
- (void) tputs(tgoto(Str(T_UP), -del, -del), -del,
- term__putc);
- else {
- if (GoodStr(T_up))
- for (; del < 0; del++)
- (void) tputs(Str(T_up), 1, term__putc);
- }
- }
- el->el_cursor.v = where;/* now where is here */
-}
-
-
-/* term_move_to_char():
- * Move to the character position specified
- */
-protected void
-term_move_to_char(EditLine *el, int where)
-{
- int del, i;
-
-mc_again:
- if (where == el->el_cursor.h)
- return;
-
- if (where > el->el_term.t_size.h) {
-#ifdef DEBUG_SCREEN
- (void) fprintf(el->el_errfile,
- "term_move_to_char: where is riduculous: %d\r\n", where);
-#endif /* DEBUG_SCREEN */
- return;
- }
- if (!where) { /* if where is first column */
- term__putc('\r'); /* do a CR */
- el->el_cursor.h = 0;
- return;
- }
- del = where - el->el_cursor.h;
-
- if ((del < -4 || del > 4) && GoodStr(T_ch))
- /* go there directly */
- (void) tputs(tgoto(Str(T_ch), where, where), where, term__putc);
- else {
- if (del > 0) { /* moving forward */
- if ((del > 4) && GoodStr(T_RI))
- (void) tputs(tgoto(Str(T_RI), del, del),
- del, term__putc);
- else {
- /* if I can do tabs, use them */
- if (EL_CAN_TAB) {
- if ((el->el_cursor.h & 0370) !=
- (where & 0370)) {
- /* if not within tab stop */
- for (i =
- (el->el_cursor.h & 0370);
- i < (where & 0370);
- i += 8)
- term__putc('\t');
- /* then tab over */
- el->el_cursor.h = where & 0370;
- }
- }
- /*
- * it's usually cheaper to just write the
- * chars, so we do.
- */
- /*
- * NOTE THAT term_overwrite() WILL CHANGE
- * el->el_cursor.h!!!
- */
- term_overwrite(el,
- &el->el_display[el->el_cursor.v][el->el_cursor.h],
- where - el->el_cursor.h);
-
- }
- } else { /* del < 0 := moving backward */
- if ((-del > 4) && GoodStr(T_LE))
- (void) tputs(tgoto(Str(T_LE), -del, -del),
- -del, term__putc);
- else { /* can't go directly there */
- /*
- * if the "cost" is greater than the "cost"
- * from col 0
- */
- if (EL_CAN_TAB ?
- (-del > (((unsigned int) where >> 3) +
- (where & 07)))
- : (-del > where)) {
- term__putc('\r'); /* do a CR */
- el->el_cursor.h = 0;
- goto mc_again; /* and try again */
- }
- for (i = 0; i < -del; i++)
- term__putc('\b');
- }
- }
- }
- el->el_cursor.h = where; /* now where is here */
-}
-
-
-/* term_overwrite():
- * Overstrike num characters
- */
-protected void
-term_overwrite(EditLine *el, const char *cp, int n)
-{
- if (n <= 0)
- return; /* catch bugs */
-
- if (n > el->el_term.t_size.h) {
-#ifdef DEBUG_SCREEN
- (void) fprintf(el->el_errfile,
- "term_overwrite: n is riduculous: %d\r\n", n);
-#endif /* DEBUG_SCREEN */
- return;
- }
- do {
- term__putc(*cp++);
- el->el_cursor.h++;
- } while (--n);
-
- if (el->el_cursor.h >= el->el_term.t_size.h) { /* wrap? */
- if (EL_HAS_AUTO_MARGINS) { /* yes */
- el->el_cursor.h = 0;
- el->el_cursor.v++;
- if (EL_HAS_MAGIC_MARGINS) {
- /* force the wrap to avoid the "magic"
- * situation */
- char c;
- if ((c = el->el_display[el->el_cursor.v][el->el_cursor.h])
- != '\0')
- term_overwrite(el, &c, 1);
- else
- term__putc(' ');
- el->el_cursor.h = 1;
- }
- } else /* no wrap, but cursor stays on screen */
- el->el_cursor.h = el->el_term.t_size.h;
- }
-}
-
-
-/* term_deletechars():
- * Delete num characters
- */
-protected void
-term_deletechars(EditLine *el, int num)
-{
- if (num <= 0)
- return;
-
- if (!EL_CAN_DELETE) {
-#ifdef DEBUG_EDIT
- (void) fprintf(el->el_errfile, " ERROR: cannot delete \n");
-#endif /* DEBUG_EDIT */
- return;
- }
- if (num > el->el_term.t_size.h) {
-#ifdef DEBUG_SCREEN
- (void) fprintf(el->el_errfile,
- "term_deletechars: num is riduculous: %d\r\n", num);
-#endif /* DEBUG_SCREEN */
- return;
- }
- if (GoodStr(T_DC)) /* if I have multiple delete */
- if ((num > 1) || !GoodStr(T_dc)) { /* if dc would be more
- * expen. */
- (void) tputs(tgoto(Str(T_DC), num, num),
- num, term__putc);
- return;
- }
- if (GoodStr(T_dm)) /* if I have delete mode */
- (void) tputs(Str(T_dm), 1, term__putc);
-
- if (GoodStr(T_dc)) /* else do one at a time */
- while (num--)
- (void) tputs(Str(T_dc), 1, term__putc);
-
- if (GoodStr(T_ed)) /* if I have delete mode */
- (void) tputs(Str(T_ed), 1, term__putc);
-}
-
-
-/* term_insertwrite():
- * Puts terminal in insert character mode or inserts num
- * characters in the line
- */
-protected void
-term_insertwrite(EditLine *el, char *cp, int num)
-{
- if (num <= 0)
- return;
- if (!EL_CAN_INSERT) {
-#ifdef DEBUG_EDIT
- (void) fprintf(el->el_errfile, " ERROR: cannot insert \n");
-#endif /* DEBUG_EDIT */
- return;
- }
- if (num > el->el_term.t_size.h) {
-#ifdef DEBUG_SCREEN
- (void) fprintf(el->el_errfile,
- "StartInsert: num is riduculous: %d\r\n", num);
-#endif /* DEBUG_SCREEN */
- return;
- }
- if (GoodStr(T_IC)) /* if I have multiple insert */
- if ((num > 1) || !GoodStr(T_ic)) {
- /* if ic would be more expensive */
- (void) tputs(tgoto(Str(T_IC), num, num),
- num, term__putc);
- term_overwrite(el, cp, num);
- /* this updates el_cursor.h */
- return;
- }
- if (GoodStr(T_im) && GoodStr(T_ei)) { /* if I have insert mode */
- (void) tputs(Str(T_im), 1, term__putc);
-
- el->el_cursor.h += num;
- do
- term__putc(*cp++);
- while (--num);
-
- if (GoodStr(T_ip)) /* have to make num chars insert */
- (void) tputs(Str(T_ip), 1, term__putc);
-
- (void) tputs(Str(T_ei), 1, term__putc);
- return;
- }
- do {
- if (GoodStr(T_ic)) /* have to make num chars insert */
- (void) tputs(Str(T_ic), 1, term__putc);
- /* insert a char */
-
- term__putc(*cp++);
-
- el->el_cursor.h++;
-
- if (GoodStr(T_ip)) /* have to make num chars insert */
- (void) tputs(Str(T_ip), 1, term__putc);
- /* pad the inserted char */
-
- } while (--num);
-}
-
-
-/* term_clear_EOL():
- * clear to end of line. There are num characters to clear
- */
-protected void
-term_clear_EOL(EditLine *el, int num)
-{
- int i;
-
- if (EL_CAN_CEOL && GoodStr(T_ce))
- (void) tputs(Str(T_ce), 1, term__putc);
- else {
- for (i = 0; i < num; i++)
- term__putc(' ');
- el->el_cursor.h += num; /* have written num spaces */
- }
-}
-
-
-/* term_clear_screen():
- * Clear the screen
- */
-protected void
-term_clear_screen(EditLine *el)
-{ /* clear the whole screen and home */
-
- if (GoodStr(T_cl))
- /* send the clear screen code */
- (void) tputs(Str(T_cl), Val(T_li), term__putc);
- else if (GoodStr(T_ho) && GoodStr(T_cd)) {
- (void) tputs(Str(T_ho), Val(T_li), term__putc); /* home */
- /* clear to bottom of screen */
- (void) tputs(Str(T_cd), Val(T_li), term__putc);
- } else {
- term__putc('\r');
- term__putc('\n');
- }
-}
-
-
-/* term_beep():
- * Beep the way the terminal wants us
- */
-protected void
-term_beep(EditLine *el)
-{
- if (GoodStr(T_bl))
- /* what termcap says we should use */
- (void) tputs(Str(T_bl), 1, term__putc);
- else
- term__putc('\007'); /* an ASCII bell; ^G */
-}
-
-
-#ifdef notdef
-/* term_clear_to_bottom():
- * Clear to the bottom of the screen
- */
-protected void
-term_clear_to_bottom(EditLine *el)
-{
- if (GoodStr(T_cd))
- (void) tputs(Str(T_cd), Val(T_li), term__putc);
- else if (GoodStr(T_ce))
- (void) tputs(Str(T_ce), Val(T_li), term__putc);
-}
-#endif
-
-
-/* term_set():
- * Read in the terminal capabilities from the requested terminal
- */
-protected int
-term_set(EditLine *el, const char *term)
-{
- int i;
- char buf[TC_BUFSIZE];
- char *area;
- const struct termcapstr *t;
- sigset_t oset, nset;
- int lins, cols;
-
- (void) sigemptyset(&nset);
- (void) sigaddset(&nset, SIGWINCH);
- (void) sigprocmask(SIG_BLOCK, &nset, &oset);
-
- area = buf;
-
-
- if (term == NULL)
- term = getenv("TERM");
-
- if (!term || !term[0])
- term = "dumb";
-
- if (strcmp(term, "emacs") == 0)
- el->el_flags |= EDIT_DISABLED;
-
- memset(el->el_term.t_cap, 0, TC_BUFSIZE);
-
- i = tgetent(el->el_term.t_cap, term);
-
- if (i <= 0) {
- if (i == -1)
- (void) fprintf(el->el_errfile,
- "Cannot read termcap database;\n");
- else if (i == 0)
- (void) fprintf(el->el_errfile,
- "No entry for terminal type \"%s\";\n", term);
- (void) fprintf(el->el_errfile,
- "using dumb terminal settings.\n");
- Val(T_co) = 80; /* do a dumb terminal */
- Val(T_pt) = Val(T_km) = Val(T_li) = 0;
- Val(T_xt) = Val(T_MT);
- for (t = tstr; t->name != NULL; t++)
- term_alloc(el, t, NULL);
- } else {
- /* auto/magic margins */
- Val(T_am) = tgetflag("am");
- Val(T_xn) = tgetflag("xn");
- /* Can we tab */
- Val(T_pt) = tgetflag("pt");
- Val(T_xt) = tgetflag("xt");
- /* do we have a meta? */
- Val(T_km) = tgetflag("km");
- Val(T_MT) = tgetflag("MT");
- /* Get the size */
- Val(T_co) = tgetnum("co");
- Val(T_li) = tgetnum("li");
- for (t = tstr; t->name != NULL; t++)
- term_alloc(el, t, tgetstr((char *)t->name, &area));
- }
-
- if (Val(T_co) < 2)
- Val(T_co) = 80; /* just in case */
- if (Val(T_li) < 1)
- Val(T_li) = 24;
-
- el->el_term.t_size.v = Val(T_co);
- el->el_term.t_size.h = Val(T_li);
-
- term_setflags(el);
-
- /* get the correct window size */
- (void) term_get_size(el, &lins, &cols);
- if (term_change_size(el, lins, cols) == -1)
- return (-1);
- (void) sigprocmask(SIG_SETMASK, &oset, NULL);
- term_bind_arrow(el);
- return (i <= 0 ? -1 : 0);
-}
-
-
-/* term_get_size():
- * Return the new window size in lines and cols, and
- * true if the size was changed.
- */
-protected int
-term_get_size(EditLine *el, int *lins, int *cols)
-{
-
- *cols = Val(T_co);
- *lins = Val(T_li);
-
-#ifdef TIOCGWINSZ
- {
- struct winsize ws;
- if (ioctl(el->el_infd, TIOCGWINSZ, (ioctl_t) & ws) != -1) {
- if (ws.ws_col)
- *cols = ws.ws_col;
- if (ws.ws_row)
- *lins = ws.ws_row;
- }
- }
-#endif
-#ifdef TIOCGSIZE
- {
- struct ttysize ts;
- if (ioctl(el->el_infd, TIOCGSIZE, (ioctl_t) & ts) != -1) {
- if (ts.ts_cols)
- *cols = ts.ts_cols;
- if (ts.ts_lines)
- *lins = ts.ts_lines;
- }
- }
-#endif
- return (Val(T_co) != *cols || Val(T_li) != *lins);
-}
-
-
-/* term_change_size():
- * Change the size of the terminal
- */
-protected int
-term_change_size(EditLine *el, int lins, int cols)
-{
- /*
- * Just in case
- */
- Val(T_co) = (cols < 2) ? 80 : cols;
- Val(T_li) = (lins < 1) ? 24 : lins;
-
- /* re-make display buffers */
- if (term_rebuffer_display(el) == -1)
- return (-1);
- re_clear_display(el);
- return (0);
-}
-
-
-/* term_init_arrow():
- * Initialize the arrow key bindings from termcap
- */
-private void
-term_init_arrow(EditLine *el)
-{
- fkey_t *arrow = el->el_term.t_fkey;
-
- arrow[A_K_DN].name = "down";
- arrow[A_K_DN].key = T_kd;
- arrow[A_K_DN].fun.cmd = ED_NEXT_HISTORY;
- arrow[A_K_DN].type = XK_CMD;
-
- arrow[A_K_UP].name = "up";
- arrow[A_K_UP].key = T_ku;
- arrow[A_K_UP].fun.cmd = ED_PREV_HISTORY;
- arrow[A_K_UP].type = XK_CMD;
-
- arrow[A_K_LT].name = "left";
- arrow[A_K_LT].key = T_kl;
- arrow[A_K_LT].fun.cmd = ED_PREV_CHAR;
- arrow[A_K_LT].type = XK_CMD;
-
- arrow[A_K_RT].name = "right";
- arrow[A_K_RT].key = T_kr;
- arrow[A_K_RT].fun.cmd = ED_NEXT_CHAR;
- arrow[A_K_RT].type = XK_CMD;
-
- arrow[A_K_HO].name = "home";
- arrow[A_K_HO].key = T_kh;
- arrow[A_K_HO].fun.cmd = ED_MOVE_TO_BEG;
- arrow[A_K_HO].type = XK_CMD;
-
- arrow[A_K_EN].name = "end";
- arrow[A_K_EN].key = T_at7;
- arrow[A_K_EN].fun.cmd = ED_MOVE_TO_END;
- arrow[A_K_EN].type = XK_CMD;
-}
-
-
-/* term_reset_arrow():
- * Reset arrow key bindings
- */
-private void
-term_reset_arrow(EditLine *el)
-{
- fkey_t *arrow = el->el_term.t_fkey;
- static const char strA[] = {033, '[', 'A', '\0'};
- static const char strB[] = {033, '[', 'B', '\0'};
- static const char strC[] = {033, '[', 'C', '\0'};
- static const char strD[] = {033, '[', 'D', '\0'};
- static const char strH[] = {033, '[', 'H', '\0'};
- static const char strF[] = {033, '[', 'F', '\0'};
- static const char stOA[] = {033, 'O', 'A', '\0'};
- static const char stOB[] = {033, 'O', 'B', '\0'};
- static const char stOC[] = {033, 'O', 'C', '\0'};
- static const char stOD[] = {033, 'O', 'D', '\0'};
- static const char stOH[] = {033, 'O', 'H', '\0'};
- static const char stOF[] = {033, 'O', 'F', '\0'};
-
- key_add(el, strA, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
- key_add(el, strB, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
- key_add(el, strC, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
- key_add(el, strD, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
- key_add(el, strH, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
- key_add(el, strF, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
- key_add(el, stOA, &arrow[A_K_UP].fun, arrow[A_K_UP].type);
- key_add(el, stOB, &arrow[A_K_DN].fun, arrow[A_K_DN].type);
- key_add(el, stOC, &arrow[A_K_RT].fun, arrow[A_K_RT].type);
- key_add(el, stOD, &arrow[A_K_LT].fun, arrow[A_K_LT].type);
- key_add(el, stOH, &arrow[A_K_HO].fun, arrow[A_K_HO].type);
- key_add(el, stOF, &arrow[A_K_EN].fun, arrow[A_K_EN].type);
-
- if (el->el_map.type == MAP_VI) {
- key_add(el, &strA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type);
- key_add(el, &strB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type);
- key_add(el, &strC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type);
- key_add(el, &strD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type);
- key_add(el, &strH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type);
- key_add(el, &strF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type);
- key_add(el, &stOA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type);
- key_add(el, &stOB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type);
- key_add(el, &stOC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type);
- key_add(el, &stOD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type);
- key_add(el, &stOH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type);
- key_add(el, &stOF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type);
- }
-}
-
-
-/* term_set_arrow():
- * Set an arrow key binding
- */
-protected int
-term_set_arrow(EditLine *el, const char *name, key_value_t *fun, int type)
-{
- fkey_t *arrow = el->el_term.t_fkey;
- int i;
-
- for (i = 0; i < A_K_NKEYS; i++)
- if (strcmp(name, arrow[i].name) == 0) {
- arrow[i].fun = *fun;
- arrow[i].type = type;
- return (0);
- }
- return (-1);
-}
-
-
-/* term_clear_arrow():
- * Clear an arrow key binding
- */
-protected int
-term_clear_arrow(EditLine *el, const char *name)
-{
- fkey_t *arrow = el->el_term.t_fkey;
- int i;
-
- for (i = 0; i < A_K_NKEYS; i++)
- if (strcmp(name, arrow[i].name) == 0) {
- arrow[i].type = XK_NOD;
- return (0);
- }
- return (-1);
-}
-
-
-/* term_print_arrow():
- * Print the arrow key bindings
- */
-protected void
-term_print_arrow(EditLine *el, const char *name)
-{
- int i;
- fkey_t *arrow = el->el_term.t_fkey;
-
- for (i = 0; i < A_K_NKEYS; i++)
- if (*name == '\0' || strcmp(name, arrow[i].name) == 0)
- if (arrow[i].type != XK_NOD)
- key_kprint(el, arrow[i].name, &arrow[i].fun,
- arrow[i].type);
-}
-
-
-/* term_bind_arrow():
- * Bind the arrow keys
- */
-protected void
-term_bind_arrow(EditLine *el)
-{
- el_action_t *map;
- const el_action_t *dmap;
- int i, j;
- char *p;
- fkey_t *arrow = el->el_term.t_fkey;
-
- /* Check if the components needed are initialized */
- if (el->el_term.t_buf == NULL || el->el_map.key == NULL)
- return;
-
- map = el->el_map.type == MAP_VI ? el->el_map.alt : el->el_map.key;
- dmap = el->el_map.type == MAP_VI ? el->el_map.vic : el->el_map.emacs;
-
- term_reset_arrow(el);
-
- for (i = 0; i < A_K_NKEYS; i++) {
- p = el->el_term.t_str[arrow[i].key];
- if (p && *p) {
- j = (unsigned char) *p;
- /*
- * Assign the arrow keys only if:
- *
- * 1. They are multi-character arrow keys and the user
- * has not re-assigned the leading character, or
- * has re-assigned the leading character to be
- * ED_SEQUENCE_LEAD_IN
- * 2. They are single arrow keys pointing to an
- * unassigned key.
- */
- if (arrow[i].type == XK_NOD)
- key_clear(el, map, p);
- else {
- if (p[1] && (dmap[j] == map[j] ||
- map[j] == ED_SEQUENCE_LEAD_IN)) {
- key_add(el, p, &arrow[i].fun,
- arrow[i].type);
- map[j] = ED_SEQUENCE_LEAD_IN;
- } else if (map[j] == ED_UNASSIGNED) {
- key_clear(el, map, p);
- if (arrow[i].type == XK_CMD)
- map[j] = arrow[i].fun.cmd;
- else
- key_add(el, p, &arrow[i].fun,
- arrow[i].type);
- }
- }
- }
- }
-}
-
-
-/* term__putc():
- * Add a character
- */
-protected int
-term__putc(int c)
-{
-
- return (fputc(c, term_outfile));
-}
-
-
-/* term__flush():
- * Flush output
- */
-protected void
-term__flush(void)
-{
-
- (void) fflush(term_outfile);
-}
-
-
-/* term_telltc():
- * Print the current termcap characteristics
- */
-protected int
-/*ARGSUSED*/
-term_telltc(EditLine *el, int argc, const char **argv)
-{
- const struct termcapstr *t;
- char **ts;
- char upbuf[EL_BUFSIZ];
-
- (void) fprintf(el->el_outfile, "\n\tYour terminal has the\n");
- (void) fprintf(el->el_outfile, "\tfollowing characteristics:\n\n");
- (void) fprintf(el->el_outfile, "\tIt has %d columns and %d lines\n",
- Val(T_co), Val(T_li));
- (void) fprintf(el->el_outfile,
- "\tIt has %s meta key\n", EL_HAS_META ? "a" : "no");
- (void) fprintf(el->el_outfile,
- "\tIt can%suse tabs\n", EL_CAN_TAB ? " " : "not ");
- (void) fprintf(el->el_outfile, "\tIt %s automatic margins\n",
- EL_HAS_AUTO_MARGINS ? "has" : "does not have");
- if (EL_HAS_AUTO_MARGINS)
- (void) fprintf(el->el_outfile, "\tIt %s magic margins\n",
- EL_HAS_MAGIC_MARGINS ? "has" : "does not have");
-
- for (t = tstr, ts = el->el_term.t_str; t->name != NULL; t++, ts++)
- (void) fprintf(el->el_outfile, "\t%25s (%s) == %s\n",
- t->long_name,
- t->name, *ts && **ts ?
- key__decode_str(*ts, upbuf, "") : "(empty)");
- (void) fputc('\n', el->el_outfile);
- return (0);
-}
-
-
-/* term_settc():
- * Change the current terminal characteristics
- */
-protected int
-/*ARGSUSED*/
-term_settc(EditLine *el, int argc, const char **argv)
-{
- const struct termcapstr *ts;
- const struct termcapval *tv;
- const char *what, *how;
-
- if (argv == NULL || argv[1] == NULL || argv[2] == NULL)
- return (-1);
-
- what = argv[1];
- how = argv[2];
-
- /*
- * Do the strings first
- */
- for (ts = tstr; ts->name != NULL; ts++)
- if (strcmp(ts->name, what) == 0)
- break;
-
- if (ts->name != NULL) {
- term_alloc(el, ts, how);
- term_setflags(el);
- return (0);
- }
- /*
- * Do the numeric ones second
- */
- for (tv = tval; tv->name != NULL; tv++)
- if (strcmp(tv->name, what) == 0)
- break;
-
- if (tv->name != NULL) {
- if (tv == &tval[T_pt] || tv == &tval[T_km] ||
- tv == &tval[T_am] || tv == &tval[T_xn]) {
- if (strcmp(how, "yes") == 0)
- el->el_term.t_val[tv - tval] = 1;
- else if (strcmp(how, "no") == 0)
- el->el_term.t_val[tv - tval] = 0;
- else {
- (void) fprintf(el->el_errfile,
- "settc: Bad value `%s'.\n", how);
- return (-1);
- }
- term_setflags(el);
- if (term_change_size(el, Val(T_li), Val(T_co)) == -1)
- return (-1);
- return (0);
- } else {
- long i;
- char *ep;
-
- i = strtol(how, &ep, 10);
- if (*ep != '\0') {
- (void) fprintf(el->el_errfile,
- "settc: Bad value `%s'.\n", how);
- return (-1);
- }
- el->el_term.t_val[tv - tval] = (int) i;
- el->el_term.t_size.v = Val(T_co);
- el->el_term.t_size.h = Val(T_li);
- if (tv == &tval[T_co] || tv == &tval[T_li])
- if (term_change_size(el, Val(T_li), Val(T_co))
- == -1)
- return (-1);
- return (0);
- }
- }
- return (-1);
-}
-
-
-/* term_echotc():
- * Print the termcap string out with variable substitution
- */
-protected int
-/*ARGSUSED*/
-term_echotc(EditLine *el, int argc, const char **argv)
-{
- char *cap, *scap, *ep;
- int arg_need, arg_cols, arg_rows;
- int verbose = 0, silent = 0;
- char *area;
- static const char fmts[] = "%s\n", fmtd[] = "%d\n";
- const struct termcapstr *t;
- char buf[TC_BUFSIZE];
- long i;
-
- area = buf;
-
- if (argv == NULL || argv[1] == NULL)
- return (-1);
- argv++;
-
- if (argv[0][0] == '-') {
- switch (argv[0][1]) {
- case 'v':
- verbose = 1;
- break;
- case 's':
- silent = 1;
- break;
- default:
- /* stderror(ERR_NAME | ERR_TCUSAGE); */
- break;
- }
- argv++;
- }
- if (!*argv || *argv[0] == '\0')
- return (0);
- if (strcmp(*argv, "tabs") == 0) {
- (void) fprintf(el->el_outfile, fmts, EL_CAN_TAB ? "yes" : "no");
- return (0);
- } else if (strcmp(*argv, "meta") == 0) {
- (void) fprintf(el->el_outfile, fmts, Val(T_km) ? "yes" : "no");
- return (0);
- } else if (strcmp(*argv, "xn") == 0) {
- (void) fprintf(el->el_outfile, fmts, EL_HAS_MAGIC_MARGINS ?
- "yes" : "no");
- return (0);
- } else if (strcmp(*argv, "am") == 0) {
- (void) fprintf(el->el_outfile, fmts, EL_HAS_AUTO_MARGINS ?
- "yes" : "no");
- return (0);
- } else if (strcmp(*argv, "baud") == 0) {
-#ifdef notdef
- int i;
-
- for (i = 0; baud_rate[i].b_name != NULL; i++)
- if (el->el_tty.t_speed == baud_rate[i].b_rate) {
- (void) fprintf(el->el_outfile, fmts,
- baud_rate[i].b_name);
- return (0);
- }
- (void) fprintf(el->el_outfile, fmtd, 0);
-#else
- (void) fprintf(el->el_outfile, fmtd, (int) el->el_tty.t_speed);
-#endif
- return (0);
- } else if (strcmp(*argv, "rows") == 0 || strcmp(*argv, "lines") == 0) {
- (void) fprintf(el->el_outfile, fmtd, Val(T_li));
- return (0);
- } else if (strcmp(*argv, "cols") == 0) {
- (void) fprintf(el->el_outfile, fmtd, Val(T_co));
- return (0);
- }
- /*
- * Try to use our local definition first
- */
- scap = NULL;
- for (t = tstr; t->name != NULL; t++)
- if (strcmp(t->name, *argv) == 0) {
- scap = el->el_term.t_str[t - tstr];
- break;
- }
- if (t->name == NULL)
- scap = tgetstr((char *)argv, &area);
- if (!scap || scap[0] == '\0') {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Termcap parameter `%s' not found.\n",
- *argv);
- return (-1);
- }
- /*
- * Count home many values we need for this capability.
- */
- for (cap = scap, arg_need = 0; *cap; cap++)
- if (*cap == '%')
- switch (*++cap) {
- case 'd':
- case '2':
- case '3':
- case '.':
- case '+':
- arg_need++;
- break;
- case '%':
- case '>':
- case 'i':
- case 'r':
- case 'n':
- case 'B':
- case 'D':
- break;
- default:
- /*
- * hpux has lot's of them...
- */
- if (verbose)
- (void) fprintf(el->el_errfile,
- "echotc: Warning: unknown termcap %% `%c'.\n",
- *cap);
- /* This is bad, but I won't complain */
- break;
- }
-
- switch (arg_need) {
- case 0:
- argv++;
- if (*argv && *argv[0]) {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Warning: Extra argument `%s'.\n",
- *argv);
- return (-1);
- }
- (void) tputs(scap, 1, term__putc);
- break;
- case 1:
- argv++;
- if (!*argv || *argv[0] == '\0') {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Warning: Missing argument.\n");
- return (-1);
- }
- arg_cols = 0;
- i = strtol(*argv, &ep, 10);
- if (*ep != '\0' || i < 0) {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Bad value `%s' for rows.\n",
- *argv);
- return (-1);
- }
- arg_rows = (int) i;
- argv++;
- if (*argv && *argv[0]) {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Warning: Extra argument `%s'.\n",
- *argv);
- return (-1);
- }
- (void) tputs(tgoto(scap, arg_cols, arg_rows), 1, term__putc);
- break;
- default:
- /* This is wrong, but I will ignore it... */
- if (verbose)
- (void) fprintf(el->el_errfile,
- "echotc: Warning: Too many required arguments (%d).\n",
- arg_need);
- /* FALLTHROUGH */
- case 2:
- argv++;
- if (!*argv || *argv[0] == '\0') {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Warning: Missing argument.\n");
- return (-1);
- }
- i = strtol(*argv, &ep, 10);
- if (*ep != '\0' || i < 0) {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Bad value `%s' for cols.\n",
- *argv);
- return (-1);
- }
- arg_cols = (int) i;
- argv++;
- if (!*argv || *argv[0] == '\0') {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Warning: Missing argument.\n");
- return (-1);
- }
- i = strtol(*argv, &ep, 10);
- if (*ep != '\0' || i < 0) {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Bad value `%s' for rows.\n",
- *argv);
- return (-1);
- }
- arg_rows = (int) i;
- if (*ep != '\0') {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Bad value `%s'.\n", *argv);
- return (-1);
- }
- argv++;
- if (*argv && *argv[0]) {
- if (!silent)
- (void) fprintf(el->el_errfile,
- "echotc: Warning: Extra argument `%s'.\n",
- *argv);
- return (-1);
- }
- (void) tputs(tgoto(scap, arg_cols, arg_rows), arg_rows,
- term__putc);
- break;
- }
- return (0);
-}