392 lines
9.9 KiB
C
392 lines
9.9 KiB
C
/****************************************************************************
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* Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
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* and: Eric S. Raymond <esr@snark.thyrsus.com> *
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****************************************************************************/
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/*
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* tput.c -- shellscript access to terminal capabilities
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*
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* by Eric S. Raymond <esr@snark.thyrsus.com>, portions based on code from
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* Ross Ridge's mytinfo package.
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*/
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#include <progs.priv.h>
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#if !PURE_TERMINFO
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#include <termsort.c>
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#endif
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#include <transform.h>
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MODULE_ID("$Id: tput.c,v 1.26 2001/03/24 21:59:48 tom Exp $")
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#define PUTS(s) fputs(s, stdout)
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#define PUTCHAR(c) putchar(c)
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#define FLUSH fflush(stdout)
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typedef enum {
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Numbers = 0
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,Num_Str
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,Num_Str_Str
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} TParams;
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static char *prg_name;
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static bool is_init = FALSE;
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static bool is_reset = FALSE;
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static void
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quit(int status, const char *fmt,...)
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{
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va_list argp;
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va_start(argp, fmt);
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vfprintf(stderr, fmt, argp);
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fprintf(stderr, "\n");
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va_end(argp);
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exit(status);
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}
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static void
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usage(void)
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{
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fprintf(stderr, "usage: %s [-V] [-S] [-T term] capname\n", prg_name);
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exit(EXIT_FAILURE);
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}
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static void
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check_aliases(const char *name)
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{
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is_init = (strcmp(name, PROG_INIT) == 0);
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is_reset = (strcmp(name, PROG_RESET) == 0);
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}
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/*
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* Lookup the type of call we should make to tparm(). This ignores the actual
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* terminfo capability (bad, because it is not extensible), but makes this
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* code portable to platforms where sizeof(int) != sizeof(char *).
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*
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* FIXME: If we want extensibility, analyze the capability string as we do
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* in tparm() to decide how to parse the varargs list.
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*/
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static TParams
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tparm_type(const char *name)
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{
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#define TD(code, longname, ti, tc) {code,longname},{code,ti},{code,tc}
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TParams result = Numbers;
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/* *INDENT-OFF* */
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static const struct {
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TParams code;
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const char *name;
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} table[] = {
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TD(Num_Str, "pkey_key", "pfkey", "pk"),
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TD(Num_Str, "pkey_local", "pfloc", "pl"),
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TD(Num_Str, "pkey_xmit", "pfx", "px"),
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TD(Num_Str, "plab_norm", "pln", "pn"),
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TD(Num_Str_Str, "pkey_plab", "pfxl", "xl"),
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};
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/* *INDENT-ON* */
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unsigned n;
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for (n = 0; n < SIZEOF(table); n++) {
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if (!strcmp(name, table[n].name)) {
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result = table[n].code;
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break;
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}
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}
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return result;
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}
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static int
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tput(int argc, char *argv[])
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{
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NCURSES_CONST char *name;
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char *s;
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int i, j, c;
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int status;
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FILE *f;
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check_aliases(name = argv[0]);
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if (is_reset || is_init) {
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if (init_prog != 0) {
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system(init_prog);
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}
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FLUSH;
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if (is_reset && reset_1string != 0) {
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PUTS(reset_1string);
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} else if (init_1string != 0) {
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PUTS(init_1string);
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}
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FLUSH;
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if (is_reset && reset_2string != 0) {
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PUTS(reset_2string);
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} else if (init_2string != 0) {
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PUTS(init_2string);
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}
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FLUSH;
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if (set_lr_margin != 0) {
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PUTS(tparm(set_lr_margin, 0, columns - 1));
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} else if (set_left_margin_parm != 0
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&& set_right_margin_parm != 0) {
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PUTS(tparm(set_left_margin_parm, 0));
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PUTS(tparm(set_right_margin_parm, columns - 1));
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} else if (clear_margins != 0
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&& set_left_margin != 0
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&& set_right_margin != 0) {
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PUTS(clear_margins);
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if (carriage_return != 0) {
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PUTS(carriage_return);
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} else {
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PUTCHAR('\r');
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}
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PUTS(set_left_margin);
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if (parm_right_cursor) {
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PUTS(tparm(parm_right_cursor, columns - 1));
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} else {
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for (i = 0; i < columns - 1; i++) {
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PUTCHAR(' ');
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}
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}
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PUTS(set_right_margin);
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if (carriage_return != 0) {
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PUTS(carriage_return);
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} else {
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PUTCHAR('\r');
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}
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}
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FLUSH;
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if (init_tabs != 8) {
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if (clear_all_tabs != 0 && set_tab != 0) {
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for (i = 0; i < columns - 1; i += 8) {
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if (parm_right_cursor) {
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PUTS(tparm(parm_right_cursor, 8));
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} else {
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for (j = 0; j < 8; j++)
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PUTCHAR(' ');
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}
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PUTS(set_tab);
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}
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FLUSH;
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}
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}
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if (is_reset && reset_file != 0) {
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f = fopen(reset_file, "r");
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if (f == 0) {
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quit(errno, "Can't open reset_file: '%s'", reset_file);
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}
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while ((c = fgetc(f)) != EOF) {
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PUTCHAR(c);
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}
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fclose(f);
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} else if (init_file != 0) {
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f = fopen(init_file, "r");
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if (f == 0) {
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quit(errno, "Can't open init_file: '%s'", init_file);
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}
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while ((c = fgetc(f)) != EOF) {
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PUTCHAR(c);
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}
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fclose(f);
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}
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FLUSH;
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if (is_reset && reset_3string != 0) {
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PUTS(reset_3string);
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} else if (init_2string != 0) {
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PUTS(init_2string);
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}
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FLUSH;
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return 0;
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}
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if (strcmp(name, "longname") == 0) {
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PUTS(longname());
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return 0;
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}
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#if !PURE_TERMINFO
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{
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const struct name_table_entry *np;
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if ((np = _nc_find_entry(name, _nc_get_hash_table(1))) != 0)
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switch (np->nte_type) {
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case BOOLEAN:
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if (bool_from_termcap[np->nte_index])
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name = boolnames[np->nte_index];
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break;
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case NUMBER:
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if (num_from_termcap[np->nte_index])
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name = numnames[np->nte_index];
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break;
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case STRING:
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if (str_from_termcap[np->nte_index])
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name = strnames[np->nte_index];
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break;
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}
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}
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#endif
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if ((status = tigetflag(name)) != -1) {
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return (status != 0);
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} else if ((status = tigetnum(name)) != CANCELLED_NUMERIC) {
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(void) printf("%d\n", status);
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return (0);
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} else if ((s = tigetstr(name)) == CANCELLED_STRING) {
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quit(4, "%s: unknown terminfo capability '%s'", prg_name, name);
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} else if (s != ABSENT_STRING) {
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if (argc > 1) {
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int k;
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int numbers[10];
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char *strings[10];
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/* Nasty hack time. The tparm function needs to see numeric
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* parameters as numbers, not as pointers to their string
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* representations
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*/
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for (k = 1; k < argc; k++) {
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char *tmp = 0;
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strings[k] = argv[k];
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numbers[k] = strtol(argv[k], &tmp, 0);
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if (tmp == 0 || *tmp != 0)
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numbers[k] = 0;
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}
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for (k = argc; k <= 9; k++) {
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numbers[k] = 0;
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strings[k] = 0;
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}
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switch (tparm_type(name)) {
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case Num_Str:
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s = tparm(s, numbers[1], strings[2]);
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break;
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case Num_Str_Str:
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s = tparm(s, numbers[1], strings[2], strings[3]);
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break;
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default:
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s = tparm(s,
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numbers[1], numbers[2], numbers[3],
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numbers[4], numbers[5], numbers[6],
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numbers[7], numbers[8], numbers[9]);
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break;
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}
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}
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/* use putp() in order to perform padding */
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putp(s);
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return (0);
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}
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return (0);
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}
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int
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main(int argc, char **argv)
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{
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char *term;
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int errret;
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bool cmdline = TRUE;
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int c;
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char buf[BUFSIZ];
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int errors = 0;
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check_aliases(prg_name = _nc_basename(argv[0]));
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term = getenv("TERM");
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while ((c = getopt(argc, argv, "ST:V")) != EOF) {
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switch (c) {
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case 'S':
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cmdline = FALSE;
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break;
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case 'T':
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use_env(FALSE);
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term = optarg;
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break;
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case 'V':
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puts(curses_version());
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return EXIT_SUCCESS;
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default:
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usage();
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/* NOTREACHED */
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}
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}
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/*
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* Modify the argument list to omit the options we processed.
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*/
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if (is_reset || is_init) {
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if (optind-- < argc) {
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argc -= optind;
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argv += optind;
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}
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argv[0] = prg_name;
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} else {
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argc -= optind;
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argv += optind;
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}
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if (term == 0 || *term == '\0')
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quit(2, "No value for $TERM and no -T specified");
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if (setupterm(term, STDOUT_FILENO, &errret) != OK && errret <= 0)
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quit(3, "unknown terminal \"%s\"", term);
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if (cmdline) {
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if ((argc <= 0) && !is_reset && !is_init)
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usage();
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return tput(argc, argv);
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}
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while (fgets(buf, sizeof(buf), stdin) != 0) {
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char *argvec[16]; /* command, 9 parms, null, & slop */
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int argnum = 0;
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char *cp;
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/* crack the argument list into a dope vector */
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for (cp = buf; *cp; cp++) {
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if (isspace(CharOf(*cp)))
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*cp = '\0';
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else if (cp == buf || cp[-1] == 0)
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argvec[argnum++] = cp;
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}
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argvec[argnum] = 0;
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if (tput(argnum, argvec) != 0)
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errors++;
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}
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return errors > 0;
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}
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