diff options
Diffstat (limited to 'bin/1sh/libedit/terminal.c')
| -rw-r--r-- | bin/1sh/libedit/terminal.c | 1681 |
1 files changed, 0 insertions, 1681 deletions
diff --git a/bin/1sh/libedit/terminal.c b/bin/1sh/libedit/terminal.c deleted file mode 100644 index edaa5b2b..00000000 --- a/bin/1sh/libedit/terminal.c +++ /dev/null @@ -1,1681 +0,0 @@ -/* $NetBSD: terminal.c,v 1.32.8.1 2017/07/23 14:41:26 snj 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" -#if !defined(lint) && !defined(SCCSID) -#if 0 -static char sccsid[] = "@(#)term.c 8.2 (Berkeley) 4/30/95"; -#else -__RCSID("$NetBSD: terminal.c,v 1.32.8.1 2017/07/23 14:41:26 snj Exp $"); -#endif -#endif /* not lint && not SCCSID */ - -/* - * terminal.c: Editor/termcap-curses interface - * We have to declare a static variable here, since the - * termcap putchar routine does not take an argument! - */ -#include <sys/types.h> -#include <sys/ioctl.h> -#include <limits.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#ifdef HAVE_TERMCAP_H -#include <termcap.h> -#endif -#ifdef HAVE_CURSES_H -#include <curses.h> -#elif HAVE_NCURSES_H -#include <ncurses.h> -#endif - -/* Solaris's term.h does horrid things. */ -#if defined(HAVE_TERM_H) && !defined(__sun) && !defined(HAVE_TERMCAP_H) -#include <term.h> -#endif - -#ifdef _REENTRANT -#include <pthread.h> -#endif - -#include "el.h" -#include "fcns.h" - -/* - * IMPORTANT NOTE: these routines are allowed to look at the current screen - * and the current position 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 ((size_t)2048) - -#define GoodStr(a) (el->el_terminal.t_str[a] != NULL && \ - el->el_terminal.t_str[a][0] != '\0') -#define Str(a) el->el_terminal.t_str[a] -#define Val(a) el->el_terminal.t_val[a] - -static 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_kD 38 - { "kD", "send cursor delete" }, -#define T_str 39 - { NULL, NULL } -}; - -static 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 */ - -static void terminal_setflags(EditLine *); -static int terminal_rebuffer_display(EditLine *); -static void terminal_free_display(EditLine *); -static int terminal_alloc_display(EditLine *); -static void terminal_alloc(EditLine *, const struct termcapstr *, - const char *); -static void terminal_init_arrow(EditLine *); -static void terminal_reset_arrow(EditLine *); -static int terminal_putc(int); -static void terminal_tputs(EditLine *, const char *, int); - -#ifdef _REENTRANT -static pthread_mutex_t terminal_mutex = PTHREAD_MUTEX_INITIALIZER; -#endif -static FILE *terminal_outfile = NULL; - - -/* terminal_setflags(): - * Set the terminal capability flags - */ -static void -terminal_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 */ -} - -/* terminal_init(): - * Initialize the terminal stuff - */ -libedit_private int -terminal_init(EditLine *el) -{ - - el->el_terminal.t_buf = el_malloc(TC_BUFSIZE * - sizeof(*el->el_terminal.t_buf)); - if (el->el_terminal.t_buf == NULL) - goto fail1; - el->el_terminal.t_cap = el_malloc(TC_BUFSIZE * - sizeof(*el->el_terminal.t_cap)); - if (el->el_terminal.t_cap == NULL) - goto fail2; - el->el_terminal.t_fkey = el_malloc(A_K_NKEYS * - sizeof(*el->el_terminal.t_fkey)); - if (el->el_terminal.t_fkey == NULL) - goto fail3; - el->el_terminal.t_loc = 0; - el->el_terminal.t_str = el_malloc(T_str * - sizeof(*el->el_terminal.t_str)); - if (el->el_terminal.t_str == NULL) - goto fail4; - (void) memset(el->el_terminal.t_str, 0, T_str * - sizeof(*el->el_terminal.t_str)); - el->el_terminal.t_val = el_malloc(T_val * - sizeof(*el->el_terminal.t_val)); - if (el->el_terminal.t_val == NULL) - goto fail5; - (void) memset(el->el_terminal.t_val, 0, T_val * - sizeof(*el->el_terminal.t_val)); - (void) terminal_set(el, NULL); - terminal_init_arrow(el); - return 0; -fail5: - free(el->el_terminal.t_str); - el->el_terminal.t_str = NULL; -fail4: - free(el->el_terminal.t_fkey); - el->el_terminal.t_fkey = NULL; -fail3: - free(el->el_terminal.t_cap); - el->el_terminal.t_cap = NULL; -fail2: - free(el->el_terminal.t_buf); - el->el_terminal.t_buf = NULL; -fail1: - return -1; -} - -/* terminal_end(): - * Clean up the terminal stuff - */ -libedit_private void -terminal_end(EditLine *el) -{ - - el_free(el->el_terminal.t_buf); - el->el_terminal.t_buf = NULL; - el_free(el->el_terminal.t_cap); - el->el_terminal.t_cap = NULL; - el->el_terminal.t_loc = 0; - el_free(el->el_terminal.t_str); - el->el_terminal.t_str = NULL; - el_free(el->el_terminal.t_val); - el->el_terminal.t_val = NULL; - el_free(el->el_terminal.t_fkey); - el->el_terminal.t_fkey = NULL; - terminal_free_display(el); -} - - -/* terminal_alloc(): - * Maintain a string pool for termcap strings - */ -static void -terminal_alloc(EditLine *el, const struct termcapstr *t, const char *cap) -{ - char termbuf[TC_BUFSIZE]; - size_t tlen, clen; - char **tlist = el->el_terminal.t_str; - char **tmp, **str = &tlist[t - tstr]; - - (void) memset(termbuf, 0, sizeof(termbuf)); - 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) { - if (*str) - (void) strcpy(*str, cap); /* XXX strcpy is safe */ - return; - } - /* - * New string is longer; see if we have enough space to append - */ - if (el->el_terminal.t_loc + 3 < TC_BUFSIZE) { - /* XXX strcpy is safe */ - (void) strcpy(*str = &el->el_terminal.t_buf[ - el->el_terminal.t_loc], cap); - el->el_terminal.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_terminal.t_buf, termbuf, TC_BUFSIZE); - el->el_terminal.t_loc = tlen; - if (el->el_terminal.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_terminal.t_buf[el->el_terminal.t_loc], - cap); - el->el_terminal.t_loc += (size_t)clen + 1; /* one for \0 */ - return; -} - - -/* terminal_rebuffer_display(): - * Rebuffer the display after the screen changed size - */ -static int -terminal_rebuffer_display(EditLine *el) -{ - coord_t *c = &el->el_terminal.t_size; - - terminal_free_display(el); - - c->h = Val(T_co); - c->v = Val(T_li); - - if (terminal_alloc_display(el) == -1) - return -1; - return 0; -} - -static wchar_t ** -terminal_alloc_buffer(EditLine *el) -{ - wint_t **b; - coord_t *c = &el->el_terminal.t_size; - int i; - - b = el_malloc(sizeof(*b) * (size_t)(c->v + 1)); - if (b == NULL) - return NULL; - for (i = 0; i < c->v; i++) { - b[i] = el_malloc(sizeof(**b) * (size_t)(c->h + 1)); - if (b[i] == NULL) { - while (--i >= 0) - el_free(b[i]); - el_free(b); - return NULL; - } - } - b[c->v] = NULL; - return b; -} - -static void -terminal_free_buffer(wint_t ***bp) -{ - wint_t **b; - wint_t **bufp; - - if (*bp == NULL) - return; - - b = *bp; - *bp = NULL; - - for (bufp = b; *bufp != NULL; bufp++) - el_free(*bufp); - el_free(b); -} - -/* terminal_alloc_display(): - * Allocate a new display. - */ -static int -terminal_alloc_display(EditLine *el) -{ - el->el_display = terminal_alloc_buffer(el); - if (el->el_display == NULL) - goto done; - el->el_vdisplay = terminal_alloc_buffer(el); - if (el->el_vdisplay == NULL) - goto done; - return 0; -done: - terminal_free_display(el); - return -1; -} - - -/* terminal_free_display(): - * Free the display buffers - */ -static void -terminal_free_display(EditLine *el) -{ - terminal_free_buffer(&el->el_display); - terminal_free_buffer(&el->el_vdisplay); -} - - -/* terminal_move_to_line(): - * move to line <where> (first line == 0) - * as efficiently as possible - */ -libedit_private void -terminal_move_to_line(EditLine *el, int where) -{ - int del; - - if (where == el->el_cursor.v) - return; - - if (where > el->el_terminal.t_size.v) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "%s: where is ridiculous: %d\r\n", __func__, 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') { - size_t h = (size_t) - (el->el_terminal.t_size.h - 1); - for (; h > 0 && - el->el_display[el->el_cursor.v][h] == - MB_FILL_CHAR; - h--) - continue; - /* move without newline */ - terminal_move_to_char(el, (int)h); - terminal_overwrite(el, &el->el_display - [el->el_cursor.v][el->el_cursor.h], - (size_t)(el->el_terminal.t_size.h - - el->el_cursor.h)); - /* updates Cursor */ - del--; - } else { - if ((del > 1) && GoodStr(T_DO)) { - terminal_tputs(el, tgoto(Str(T_DO), del, - del), del); - del = 0; - } else { - for (; del > 0; del--) - terminal__putc(el, '\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))) - terminal_tputs(el, tgoto(Str(T_UP), -del, -del), -del); - else { - if (GoodStr(T_up)) - for (; del < 0; del++) - terminal_tputs(el, Str(T_up), 1); - } - } - el->el_cursor.v = where;/* now where is here */ -} - - -/* terminal_move_to_char(): - * Move to the character position specified - */ -libedit_private void -terminal_move_to_char(EditLine *el, int where) -{ - int del, i; - -mc_again: - if (where == el->el_cursor.h) - return; - - if (where > el->el_terminal.t_size.h) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "%s: where is ridiculous: %d\r\n", __func__, where); -#endif /* DEBUG_SCREEN */ - return; - } - if (!where) { /* if where is first column */ - terminal__putc(el, '\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 */ - terminal_tputs(el, tgoto(Str(T_ch), where, where), where); - else { - if (del > 0) { /* moving forward */ - if ((del > 4) && GoodStr(T_RI)) - terminal_tputs(el, tgoto(Str(T_RI), del, del), - del); - else { - /* if I can do tabs, use them */ - if (EL_CAN_TAB) { - if ((el->el_cursor.h & 0370) != - (where & ~0x7) - && (el->el_display[ - el->el_cursor.v][where & 0370] != - MB_FILL_CHAR) - ) { - /* if not within tab stop */ - for (i = - (el->el_cursor.h & 0370); - i < (where & ~0x7); - i += 8) - terminal__putc(el, - '\t'); - /* then tab over */ - el->el_cursor.h = where & ~0x7; - } - } - /* - * it's usually cheaper to just write the - * chars, so we do. - */ - /* - * NOTE THAT terminal_overwrite() WILL CHANGE - * el->el_cursor.h!!! - */ - terminal_overwrite(el, &el->el_display[ - el->el_cursor.v][el->el_cursor.h], - (size_t)(where - el->el_cursor.h)); - - } - } else { /* del < 0 := moving backward */ - if ((-del > 4) && GoodStr(T_LE)) - terminal_tputs(el, tgoto(Str(T_LE), -del, -del), - -del); - else { /* can't go directly there */ - /* - * if the "cost" is greater than the "cost" - * from col 0 - */ - if (EL_CAN_TAB ? - ((unsigned int)-del > - (((unsigned int) where >> 3) + - (where & 07))) - : (-del > where)) { - terminal__putc(el, '\r');/* do a CR */ - el->el_cursor.h = 0; - goto mc_again; /* and try again */ - } - for (i = 0; i < -del; i++) - terminal__putc(el, '\b'); - } - } - } - el->el_cursor.h = where; /* now where is here */ -} - - -/* terminal_overwrite(): - * Overstrike num characters - * Assumes MB_FILL_CHARs are present to keep the column count correct - */ -libedit_private void -terminal_overwrite(EditLine *el, const wchar_t *cp, size_t n) -{ - if (n == 0) - return; - - if (n > (size_t)el->el_terminal.t_size.h) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "%s: n is ridiculous: %zu\r\n", __func__, n); -#endif /* DEBUG_SCREEN */ - return; - } - - do { - /* terminal__putc() ignores any MB_FILL_CHARs */ - terminal__putc(el, *cp++); - el->el_cursor.h++; - } while (--n); - - if (el->el_cursor.h >= el->el_terminal.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 */ - wchar_t c; - if ((c = el->el_display[el->el_cursor.v] - [el->el_cursor.h]) != '\0') { - terminal_overwrite(el, &c, (size_t)1); - while (el->el_display[el->el_cursor.v] - [el->el_cursor.h] == MB_FILL_CHAR) - el->el_cursor.h++; - } else { - terminal__putc(el, ' '); - el->el_cursor.h = 1; - } - } - } else /* no wrap, but cursor stays on screen */ - el->el_cursor.h = el->el_terminal.t_size.h - 1; - } -} - - -/* terminal_deletechars(): - * Delete num characters - */ -libedit_private void -terminal_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_terminal.t_size.h) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "%s: num is ridiculous: %d\r\n", __func__, 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. */ - terminal_tputs(el, tgoto(Str(T_DC), num, num), num); - return; - } - if (GoodStr(T_dm)) /* if I have delete mode */ - terminal_tputs(el, Str(T_dm), 1); - - if (GoodStr(T_dc)) /* else do one at a time */ - while (num--) - terminal_tputs(el, Str(T_dc), 1); - - if (GoodStr(T_ed)) /* if I have delete mode */ - terminal_tputs(el, Str(T_ed), 1); -} - - -/* terminal_insertwrite(): - * Puts terminal in insert character mode or inserts num - * characters in the line - * Assumes MB_FILL_CHARs are present to keep column count correct - */ -libedit_private void -terminal_insertwrite(EditLine *el, wchar_t *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_terminal.t_size.h) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "%s: num is ridiculous: %d\r\n", __func__, 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 */ - terminal_tputs(el, tgoto(Str(T_IC), num, num), num); - terminal_overwrite(el, cp, (size_t)num); - /* this updates el_cursor.h */ - return; - } - if (GoodStr(T_im) && GoodStr(T_ei)) { /* if I have insert mode */ - terminal_tputs(el, Str(T_im), 1); - - el->el_cursor.h += num; - do - terminal__putc(el, *cp++); - while (--num); - - if (GoodStr(T_ip)) /* have to make num chars insert */ - terminal_tputs(el, Str(T_ip), 1); - - terminal_tputs(el, Str(T_ei), 1); - return; - } - do { - if (GoodStr(T_ic)) /* have to make num chars insert */ - terminal_tputs(el, Str(T_ic), 1); - - terminal__putc(el, *cp++); - - el->el_cursor.h++; - - if (GoodStr(T_ip)) /* have to make num chars insert */ - terminal_tputs(el, Str(T_ip), 1); - /* pad the inserted char */ - - } while (--num); -} - - -/* terminal_clear_EOL(): - * clear to end of line. There are num characters to clear - */ -libedit_private void -terminal_clear_EOL(EditLine *el, int num) -{ - int i; - - if (EL_CAN_CEOL && GoodStr(T_ce)) - terminal_tputs(el, Str(T_ce), 1); - else { - for (i = 0; i < num; i++) - terminal__putc(el, ' '); - el->el_cursor.h += num; /* have written num spaces */ - } -} - - -/* terminal_clear_screen(): - * Clear the screen - */ -libedit_private void -terminal_clear_screen(EditLine *el) -{ /* clear the whole screen and home */ - - if (GoodStr(T_cl)) - /* send the clear screen code */ - terminal_tputs(el, Str(T_cl), Val(T_li)); - else if (GoodStr(T_ho) && GoodStr(T_cd)) { - terminal_tputs(el, Str(T_ho), Val(T_li)); /* home */ - /* clear to bottom of screen */ - terminal_tputs(el, Str(T_cd), Val(T_li)); - } else { - terminal__putc(el, '\r'); - terminal__putc(el, '\n'); - } -} - - -/* terminal_beep(): - * Beep the way the terminal wants us - */ -libedit_private void -terminal_beep(EditLine *el) -{ - if (GoodStr(T_bl)) - /* what termcap says we should use */ - terminal_tputs(el, Str(T_bl), 1); - else - terminal__putc(el, '\007'); /* an ASCII bell; ^G */ -} - - -libedit_private void -terminal_get(EditLine *el, const char **term) -{ - *term = el->el_terminal.t_name; -} - - -/* terminal_set(): - * Read in the terminal capabilities from the requested terminal - */ -libedit_private int -terminal_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; - - (void) memset(el->el_terminal.t_cap, 0, TC_BUFSIZE); - - i = tgetent(el->el_terminal.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++) - terminal_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++) { - /* XXX: some systems' tgetstr needs non const */ - terminal_alloc(el, t, tgetstr(strchr(t->name, *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_terminal.t_size.v = Val(T_co); - el->el_terminal.t_size.h = Val(T_li); - - terminal_setflags(el); - - /* get the correct window size */ - (void) terminal_get_size(el, &lins, &cols); - if (terminal_change_size(el, lins, cols) == -1) - return -1; - (void) sigprocmask(SIG_SETMASK, &oset, NULL); - terminal_bind_arrow(el); - el->el_terminal.t_name = term; - return i <= 0 ? -1 : 0; -} - - -/* terminal_get_size(): - * Return the new window size in lines and cols, and - * true if the size was changed. - */ -libedit_private int -terminal_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, &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, &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; -} - - -/* terminal_change_size(): - * Change the size of the terminal - */ -libedit_private int -terminal_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 (terminal_rebuffer_display(el) == -1) - return -1; - re_clear_display(el); - return 0; -} - - -/* terminal_init_arrow(): - * Initialize the arrow key bindings from termcap - */ -static void -terminal_init_arrow(EditLine *el) -{ - funckey_t *arrow = el->el_terminal.t_fkey; - - arrow[A_K_DN].name = L"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 = L"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 = L"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 = L"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 = L"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 = L"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; - - arrow[A_K_DE].name = L"delete"; - arrow[A_K_DE].key = T_kD; - arrow[A_K_DE].fun.cmd = ED_DELETE_NEXT_CHAR; - arrow[A_K_DE].type = XK_CMD; -} - - -/* terminal_reset_arrow(): - * Reset arrow key bindings - */ -static void -terminal_reset_arrow(EditLine *el) -{ - funckey_t *arrow = el->el_terminal.t_fkey; - static const wchar_t strA[] = L"\033[A"; - static const wchar_t strB[] = L"\033[B"; - static const wchar_t strC[] = L"\033[C"; - static const wchar_t strD[] = L"\033[D"; - static const wchar_t strH[] = L"\033[H"; - static const wchar_t strF[] = L"\033[F"; - static const wchar_t stOA[] = L"\033OA"; - static const wchar_t stOB[] = L"\033OB"; - static const wchar_t stOC[] = L"\033OC"; - static const wchar_t stOD[] = L"\033OD"; - static const wchar_t stOH[] = L"\033OH"; - static const wchar_t stOF[] = L"\033OF"; - - keymacro_add(el, strA, &arrow[A_K_UP].fun, arrow[A_K_UP].type); - keymacro_add(el, strB, &arrow[A_K_DN].fun, arrow[A_K_DN].type); - keymacro_add(el, strC, &arrow[A_K_RT].fun, arrow[A_K_RT].type); - keymacro_add(el, strD, &arrow[A_K_LT].fun, arrow[A_K_LT].type); - keymacro_add(el, strH, &arrow[A_K_HO].fun, arrow[A_K_HO].type); - keymacro_add(el, strF, &arrow[A_K_EN].fun, arrow[A_K_EN].type); - keymacro_add(el, stOA, &arrow[A_K_UP].fun, arrow[A_K_UP].type); - keymacro_add(el, stOB, &arrow[A_K_DN].fun, arrow[A_K_DN].type); - keymacro_add(el, stOC, &arrow[A_K_RT].fun, arrow[A_K_RT].type); - keymacro_add(el, stOD, &arrow[A_K_LT].fun, arrow[A_K_LT].type); - keymacro_add(el, stOH, &arrow[A_K_HO].fun, arrow[A_K_HO].type); - keymacro_add(el, stOF, &arrow[A_K_EN].fun, arrow[A_K_EN].type); - - if (el->el_map.type != MAP_VI) - return; - keymacro_add(el, &strA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type); - keymacro_add(el, &strB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type); - keymacro_add(el, &strC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type); - keymacro_add(el, &strD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type); - keymacro_add(el, &strH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type); - keymacro_add(el, &strF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type); - keymacro_add(el, &stOA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type); - keymacro_add(el, &stOB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type); - keymacro_add(el, &stOC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type); - keymacro_add(el, &stOD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type); - keymacro_add(el, &stOH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type); - keymacro_add(el, &stOF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type); -} - - -/* terminal_set_arrow(): - * Set an arrow key binding - */ -libedit_private int -terminal_set_arrow(EditLine *el, const wchar_t *name, keymacro_value_t *fun, - int type) -{ - funckey_t *arrow = el->el_terminal.t_fkey; - int i; - - for (i = 0; i < A_K_NKEYS; i++) - if (wcscmp(name, arrow[i].name) == 0) { - arrow[i].fun = *fun; - arrow[i].type = type; - return 0; - } - return -1; -} - - -/* terminal_clear_arrow(): - * Clear an arrow key binding - */ -libedit_private int -terminal_clear_arrow(EditLine *el, const wchar_t *name) -{ - funckey_t *arrow = el->el_terminal.t_fkey; - int i; - - for (i = 0; i < A_K_NKEYS; i++) - if (wcscmp(name, arrow[i].name) == 0) { - arrow[i].type = XK_NOD; - return 0; - } - return -1; -} - - -/* terminal_print_arrow(): - * Print the arrow key bindings - */ -libedit_private void -terminal_print_arrow(EditLine *el, const wchar_t *name) -{ - int i; - funckey_t *arrow = el->el_terminal.t_fkey; - - for (i = 0; i < A_K_NKEYS; i++) - if (*name == '\0' || wcscmp(name, arrow[i].name) == 0) - if (arrow[i].type != XK_NOD) - keymacro_kprint(el, arrow[i].name, - &arrow[i].fun, arrow[i].type); -} - - -/* terminal_bind_arrow(): - * Bind the arrow keys - */ -libedit_private void -terminal_bind_arrow(EditLine *el) -{ - el_action_t *map; - const el_action_t *dmap; - int i, j; - char *p; - funckey_t *arrow = el->el_terminal.t_fkey; - - /* Check if the components needed are initialized */ - if (el->el_terminal.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; - - terminal_reset_arrow(el); - - for (i = 0; i < A_K_NKEYS; i++) { - wchar_t wt_str[VISUAL_WIDTH_MAX]; - wchar_t *px; - size_t n; - - p = el->el_terminal.t_str[arrow[i].key]; - if (!p || !*p) - continue; - for (n = 0; n < VISUAL_WIDTH_MAX && p[n]; ++n) - wt_str[n] = p[n]; - while (n < VISUAL_WIDTH_MAX) - wt_str[n++] = '\0'; - px = wt_str; - 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) - keymacro_clear(el, map, px); - else { - if (p[1] && (dmap[j] == map[j] || - map[j] == ED_SEQUENCE_LEAD_IN)) { - keymacro_add(el, px, &arrow[i].fun, - arrow[i].type); - map[j] = ED_SEQUENCE_LEAD_IN; - } else if (map[j] == ED_UNASSIGNED) { - keymacro_clear(el, map, px); - if (arrow[i].type == XK_CMD) - map[j] = arrow[i].fun.cmd; - else - keymacro_add(el, px, &arrow[i].fun, - arrow[i].type); - } - } - } -} - -/* terminal_putc(): - * Add a character - */ -static int -terminal_putc(int c) -{ - if (terminal_outfile == NULL) - return -1; - return fputc(c, terminal_outfile); -} - -static void -terminal_tputs(EditLine *el, const char *cap, int affcnt) -{ -#ifdef _REENTRANT - pthread_mutex_lock(&terminal_mutex); -#endif - terminal_outfile = el->el_outfile; - (void)tputs(cap, affcnt, terminal_putc); -#ifdef _REENTRANT - pthread_mutex_unlock(&terminal_mutex); -#endif -} - -/* terminal__putc(): - * Add a character - */ -libedit_private int -terminal__putc(EditLine *el, wint_t c) -{ - char buf[MB_LEN_MAX +1]; - ssize_t i; - if (c == (wint_t)MB_FILL_CHAR) - return 0; - if (c & EL_LITERAL) - return fputs(literal_get(el, c), el->el_outfile); - i = ct_encode_char(buf, (size_t)MB_LEN_MAX, c); - if (i <= 0) - return (int)i; - buf[i] = '\0'; - return fputs(buf, el->el_outfile); -} - -/* terminal__flush(): - * Flush output - */ -libedit_private void -terminal__flush(EditLine *el) -{ - - (void) fflush(el->el_outfile); -} - -/* terminal_writec(): - * Write the given character out, in a human readable form - */ -libedit_private void -terminal_writec(EditLine *el, wint_t c) -{ - wchar_t visbuf[VISUAL_WIDTH_MAX +1]; - ssize_t vcnt = ct_visual_char(visbuf, VISUAL_WIDTH_MAX, c); - if (vcnt < 0) - vcnt = 0; - visbuf[vcnt] = '\0'; - terminal_overwrite(el, visbuf, (size_t)vcnt); - terminal__flush(el); -} - - -/* terminal_telltc(): - * Print the current termcap characteristics - */ -libedit_private int -/*ARGSUSED*/ -terminal_telltc(EditLine *el, int argc __attribute__((__unused__)), - const wchar_t **argv __attribute__((__unused__))) -{ - const struct termcapstr *t; - char **ts; - - (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_terminal.t_str; t->name != NULL; t++, ts++) { - const char *ub; - if (*ts && **ts) { - ub = ct_encode_string(ct_visual_string( - ct_decode_string(*ts, &el->el_scratch), - &el->el_visual), &el->el_scratch); - } else { - ub = "(empty)"; - } - (void) fprintf(el->el_outfile, "\t%25s (%s) == %s\n", - t->long_name, t->name, ub); - } - (void) fputc('\n', el->el_outfile); - return 0; -} - - -/* terminal_settc(): - * Change the current terminal characteristics - */ -libedit_private int -/*ARGSUSED*/ -terminal_settc(EditLine *el, int argc __attribute__((__unused__)), - const wchar_t **argv) -{ - const struct termcapstr *ts; - const struct termcapval *tv; - char what[8], how[8]; - - if (argv == NULL || argv[1] == NULL || argv[2] == NULL) - return -1; - - strncpy(what, ct_encode_string(argv[1], &el->el_scratch), sizeof(what)); - what[sizeof(what) - 1] = '\0'; - strncpy(how, ct_encode_string(argv[2], &el->el_scratch), sizeof(how)); - how[sizeof(how) - 1] = '\0'; - - /* - * Do the strings first - */ - for (ts = tstr; ts->name != NULL; ts++) - if (strcmp(ts->name, what) == 0) - break; - - if (ts->name != NULL) { - terminal_alloc(el, ts, how); - terminal_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) - return -1; - - if (tv == &tval[T_pt] || tv == &tval[T_km] || - tv == &tval[T_am] || tv == &tval[T_xn]) { - if (strcmp(how, "yes") == 0) - el->el_terminal.t_val[tv - tval] = 1; - else if (strcmp(how, "no") == 0) - el->el_terminal.t_val[tv - tval] = 0; - else { - (void) fprintf(el->el_errfile, - "%ls: Bad value `%s'.\n", argv[0], how); - return -1; - } - terminal_setflags(el); - if (terminal_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, - "%ls: Bad value `%s'.\n", argv[0], how); - return -1; - } - el->el_terminal.t_val[tv - tval] = (int) i; - el->el_terminal.t_size.v = Val(T_co); - el->el_terminal.t_size.h = Val(T_li); - if (tv == &tval[T_co] || tv == &tval[T_li]) - if (terminal_change_size(el, Val(T_li), Val(T_co)) - == -1) - return -1; - return 0; - } -} - - -/* terminal_gettc(): - * Get the current terminal characteristics - */ -libedit_private int -/*ARGSUSED*/ -terminal_gettc(EditLine *el, int argc __attribute__((__unused__)), char **argv) -{ - const struct termcapstr *ts; - const struct termcapval *tv; - char *what; - void *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) { - *(char **)how = el->el_terminal.t_str[ts - tstr]; - 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) - return -1; - - if (tv == &tval[T_pt] || tv == &tval[T_km] || - tv == &tval[T_am] || tv == &tval[T_xn]) { - static char yes[] = "yes"; - static char no[] = "no"; - if (el->el_terminal.t_val[tv - tval]) - *(char **)how = yes; - else - *(char **)how = no; - return 0; - } else { - *(int *)how = el->el_terminal.t_val[tv - tval]; - return 0; - } -} - -/* terminal_echotc(): - * Print the termcap string out with variable substitution - */ -libedit_private int -/*ARGSUSED*/ -terminal_echotc(EditLine *el, int argc __attribute__((__unused__)), - const wchar_t **argv) -{ - char *cap, *scap; - wchar_t *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 (wcscmp(*argv, L"tabs") == 0) { - (void) fprintf(el->el_outfile, fmts, EL_CAN_TAB ? "yes" : "no"); - return 0; - } else if (wcscmp(*argv, L"meta") == 0) { - (void) fprintf(el->el_outfile, fmts, Val(T_km) ? "yes" : "no"); - return 0; - } else if (wcscmp(*argv, L"xn") == 0) { - (void) fprintf(el->el_outfile, fmts, EL_HAS_MAGIC_MARGINS ? - "yes" : "no"); - return 0; - } else if (wcscmp(*argv, L"am") == 0) { - (void) fprintf(el->el_outfile, fmts, EL_HAS_AUTO_MARGINS ? - "yes" : "no"); - return 0; - } else if (wcscmp(*argv, L"baud") == 0) { - (void) fprintf(el->el_outfile, fmtd, (int)el->el_tty.t_speed); - return 0; - } else if (wcscmp(*argv, L"rows") == 0 || - wcscmp(*argv, L"lines") == 0) { - (void) fprintf(el->el_outfile, fmtd, Val(T_li)); - return 0; - } else if (wcscmp(*argv, L"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, - ct_encode_string(*argv, &el->el_scratch)) == 0) { - scap = el->el_terminal.t_str[t - tstr]; - break; - } - if (t->name == NULL) { - /* XXX: some systems' tgetstr needs non const */ - scap = tgetstr(ct_encode_string(*argv, &el->el_scratch), &area); - } - if (!scap || scap[0] == '\0') { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Termcap parameter `%ls' 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 `%ls'.\n", - *argv); - return -1; - } - terminal_tputs(el, scap, 1); - 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 = wcstol(*argv, &ep, 10); - if (*ep != '\0' || i < 0) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Bad value `%ls' 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 `%ls" - "'.\n", *argv); - return -1; - } - terminal_tputs(el, tgoto(scap, arg_cols, arg_rows), 1); - 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 = wcstol(*argv, &ep, 10); - if (*ep != '\0' || i < 0) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Bad value `%ls' 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 = wcstol(*argv, &ep, 10); - if (*ep != '\0' || i < 0) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Bad value `%ls' for rows.\n", - *argv); - return -1; - } - arg_rows = (int) i; - if (*ep != '\0') { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Bad value `%ls'.\n", *argv); - return -1; - } - argv++; - if (*argv && *argv[0]) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Warning: Extra argument `%ls" - "'.\n", *argv); - return -1; - } - terminal_tputs(el, tgoto(scap, arg_cols, arg_rows), arg_rows); - break; - } - return 0; -} |