-
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
-
+/****************************************************************************
+ * Copyright 2018-2019,2020 Thomas E. Dickey *
+ * Copyright 1998-2016,2017 Free Software Foundation, Inc. *
+ * *
+ * Permission is hereby granted, free of charge, to any person obtaining a *
+ * copy of this software and associated documentation files (the *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
+ ****************************************************************************/
/*
* tput.c -- shellscript access to terminal capabilities
* Ross Ridge's mytinfo package.
*/
-#include <progs.priv.h>
+#include <tparm_type.h>
+#include <clear_cmd.h>
+#include <reset_cmd.h>
-#include <ctype.h>
-#include <curses.h>
+#if !PURE_TERMINFO
+#include <dump_entry.h>
+#include <termsort.c>
+#endif
+#include <transform.h>
+#include <tty_settings.h>
-MODULE_ID("$Id: tput.c,v 1.8 1996/12/21 17:34:36 tom Exp $")
+MODULE_ID("$Id: tput.c,v 1.84 2020/10/24 18:29:38 tom Exp $")
#define PUTS(s) fputs(s, stdout)
-#define PUTCHAR(c) putchar(c)
-#define FLUSH fflush(stdout)
+
+const char *_nc_progname = "tput";
static char *prg_name;
+static bool is_init = FALSE;
+static bool is_reset = FALSE;
+static bool is_clear = FALSE;
-static void quit(int status, const char *fmt, ...)
+static void
+quit(int status, const char *fmt, ...)
{
-va_list argp;
+ va_list argp;
+
+ va_start(argp, fmt);
+ fprintf(stderr, "%s: ", prg_name);
+ vfprintf(stderr, fmt, argp);
+ fprintf(stderr, "\n");
+ va_end(argp);
+ ExitProgram(status);
+}
- va_start(argp,fmt);
- vfprintf (stderr, fmt, argp);
- fprintf(stderr, "\n");
- va_end(argp);
- exit(status);
+static void
+usage(void)
+{
+#define KEEP(s) s "\n"
+ static const char msg[] =
+ {
+ KEEP("")
+ KEEP("Options:")
+ KEEP(" -S << read commands from standard input")
+ KEEP(" -T TERM use this instead of $TERM")
+ KEEP(" -V print curses-version")
+ KEEP(" -x do not try to clear scrollback")
+ KEEP("")
+ KEEP("Commands:")
+ KEEP(" clear clear the screen")
+ KEEP(" init initialize the terminal")
+ KEEP(" reset reinitialize the terminal")
+ KEEP(" capname unlike clear/init/reset, print value for capability \"capname\"")
+ };
+#undef KEEP
+ (void) fprintf(stderr, "Usage: %s [options] [command]\n", prg_name);
+ fputs(msg, stderr);
+ ExitProgram(ErrUsage);
}
-static void usage(void)
+static char *
+check_aliases(char *name, bool program)
{
- fprintf(stderr, "usage: %s [-S] [-T term] capname\n", prg_name);
- exit(EXIT_FAILURE);
+ static char my_init[] = "init";
+ static char my_reset[] = "reset";
+ static char my_clear[] = "clear";
+
+ char *result = name;
+ if ((is_init = same_program(name, program ? PROG_INIT : my_init)))
+ result = my_init;
+ if ((is_reset = same_program(name, program ? PROG_RESET : my_reset)))
+ result = my_reset;
+ if ((is_clear = same_program(name, program ? PROG_CLEAR : my_clear)))
+ result = my_clear;
+ return result;
}
-static int tput(int argc, char *argv[])
+static int
+exit_code(int token, int value)
{
-char *s;
-int i, j, c;
-int reset, status;
-FILE *f;
-
- reset = 0;
- if (strcmp(argv[0], "reset") == 0) {
- reset = 1;
- }
- if (reset || strcmp(argv[0], "init") == 0) {
- if (init_prog != NULL) {
- system(init_prog);
- }
- FLUSH;
+ int result = 99;
+
+ switch (token) {
+ case BOOLEAN:
+ result = !value; /* TRUE=0, FALSE=1 */
+ break;
+ case NUMBER:
+ result = 0; /* always zero */
+ break;
+ case STRING:
+ result = value; /* 0=normal, 1=missing */
+ break;
+ }
+ return result;
+}
- if (reset && reset_1string != NULL) {
- PUTS(reset_1string);
- } else if (init_1string != NULL) {
- PUTS(init_1string);
- }
- FLUSH;
-
- if (reset && reset_2string != NULL) {
- PUTS(reset_2string);
- } else if (init_2string != NULL) {
- PUTS(init_2string);
- }
- FLUSH;
-
- if (set_lr_margin != NULL) {
- PUTS(tparm(set_lr_margin, 0, columns - 1));
- } else if (set_left_margin_parm != NULL
- && set_right_margin_parm != NULL) {
- PUTS(tparm(set_left_margin_parm, 0));
- PUTS(tparm(set_right_margin_parm, columns - 1));
- } else if (clear_margins != NULL && set_left_margin != NULL
- && set_right_margin != NULL) {
- PUTS(clear_margins);
- if (carriage_return != NULL) {
- PUTS(carriage_return);
- } else {
- PUTCHAR('\r');
- }
- PUTS(set_left_margin);
- if (parm_right_cursor) {
- PUTS(tparm(parm_right_cursor, columns - 1));
- } else {
- for(i = 0; i < columns - 1; i++) {
- PUTCHAR(' ');
- }
- }
- PUTS(set_right_margin);
- if (carriage_return != NULL) {
- PUTS(carriage_return);
- } else {
- PUTCHAR('\r');
- }
- }
- FLUSH;
-
- if (init_tabs != 8) {
- if (clear_all_tabs != NULL && set_tab != NULL) {
- for(i = 0; i < columns - 1; i += 8) {
- if (parm_right_cursor) {
- PUTS(tparm(parm_right_cursor, 8));
- } else {
- for(j = 0; j < 8; j++)
- PUTCHAR(' ');
- }
- PUTS(set_tab);
- }
- FLUSH;
- }
- }
-
- if (reset && reset_file != NULL) {
- f = fopen(reset_file, "r");
- if (f == NULL) {
- quit(errno, "Can't open reset_file: '%s'", reset_file);
- }
- while((c = fgetc(f)) != EOF) {
- PUTCHAR(c);
- }
- fclose(f);
- } else if (init_file != NULL) {
- f = fopen(init_file, "r");
- if (f == NULL) {
- quit(errno, "Can't open init_file: '%s'", init_file);
- }
- while((c = fgetc(f)) != EOF) {
- PUTCHAR(c);
- }
- fclose(f);
- }
- FLUSH;
-
- if (reset && reset_3string != NULL) {
- PUTS(reset_3string);
- } else if (init_2string != NULL) {
- PUTS(init_2string);
- }
- FLUSH;
- return 0;
- }
-
- if (strcmp(argv[0], "longname") == 0) {
- PUTS(longname());
- return 0;
+/*
+ * Returns nonzero on error.
+ */
+static int
+tput_cmd(int fd, TTY * saved_settings, bool opt_x, int argc, char *argv[])
+{
+ NCURSES_CONST char *name;
+ char *s;
+ int status;
+#if !PURE_TERMINFO
+ bool termcap = FALSE;
+#endif
+
+ name = check_aliases(argv[0], FALSE);
+ if (is_reset || is_init) {
+ TTY oldmode;
+
+ int terasechar = -1; /* new erase character */
+ int intrchar = -1; /* new interrupt character */
+ int tkillchar = -1; /* new kill character */
+
+ if (is_reset) {
+ reset_start(stdout, TRUE, FALSE);
+ reset_tty_settings(fd, saved_settings);
+ } else {
+ reset_start(stdout, FALSE, TRUE);
}
- if ((status = tigetflag(argv[0])) != -1)
- return(status != 0);
- else if ((status = tigetnum(argv[0])) != CANCELLED_NUMERIC) {
- (void) printf("%d\n", status);
- return(0);
+#if HAVE_SIZECHANGE
+ set_window_size(fd, &lines, &columns);
+#else
+ (void) fd;
+#endif
+ set_control_chars(saved_settings, terasechar, intrchar, tkillchar);
+ set_conversions(saved_settings);
+ if (send_init_strings(fd, &oldmode)) {
+ reset_flush();
}
- else if ((s = tigetstr(argv[0])) == CANCELLED_STRING)
- quit(4, "%s: unknown terminfo capability '%s'", prg_name, argv[0]);
- else if (s != (char *)NULL) {
- if (argc > 1) {
- int k;
-
- /* Nasty hack time. The tparm function needs to see numeric
- * parameters as numbers, not as pointers to their string
- * representations
- */
-
- for (k = 1; k < argc; k++)
- if (isdigit(argv[k][0])) {
- long val = atol(argv[k]);
- argv[k] = (char *)val;
- }
-
- s = tparm(s,argv[1],argv[2],argv[3],argv[4],
- argv[5],argv[6],argv[7],argv[8],
- argv[9]);
- }
- /* use putp() in order to perform padding */
- putp(s);
- return(0);
+ update_tty_settings(&oldmode, saved_settings);
+ return 0;
+ }
+
+ if (strcmp(name, "longname") == 0) {
+ PUTS(longname());
+ return 0;
+ }
+#if !PURE_TERMINFO
+ retry:
+#endif
+ if (strcmp(name, "clear") == 0) {
+ return (clear_cmd(opt_x) == ERR) ? ErrUsage : 0;
+ } else if ((status = tigetflag(name)) != -1) {
+ return exit_code(BOOLEAN, status);
+ } else if ((status = tigetnum(name)) != CANCELLED_NUMERIC) {
+ (void) printf("%d\n", status);
+ return exit_code(NUMBER, 0);
+ } else if ((s = tigetstr(name)) == CANCELLED_STRING) {
+#if !PURE_TERMINFO
+ if (!termcap) {
+ const struct name_table_entry *np;
+
+ termcap = TRUE;
+ if ((np = _nc_find_entry(name, _nc_get_hash_table(termcap))) != 0) {
+ switch (np->nte_type) {
+ case BOOLEAN:
+ name = boolnames[np->nte_index];
+ break;
+
+ case NUMBER:
+ name = numnames[np->nte_index];
+ break;
+
+ case STRING:
+ name = strnames[np->nte_index];
+ break;
+ }
+ goto retry;
+ }
}
- return(0);
-}
+#endif
+ quit(ErrCapName, "unknown terminfo capability '%s'", name);
+ } else if (VALID_STRING(s)) {
+ if (argc > 1) {
+ int k;
+ int ignored;
+ long numbers[1 + NUM_PARM];
+ char *strings[1 + NUM_PARM];
+ char *p_is_s[NUM_PARM];
+
+ /* Nasty hack time. The tparm function needs to see numeric
+ * parameters as numbers, not as pointers to their string
+ * representations
+ */
+
+ for (k = 1; (k < argc) && (k < NUM_PARM); k++) {
+ char *tmp = 0;
+ strings[k] = argv[k];
+ numbers[k] = strtol(argv[k], &tmp, 0);
+ if (tmp == 0 || *tmp != 0)
+ numbers[k] = 0;
+ }
+ for (k = argc; k <= NUM_PARM; k++) {
+ numbers[k] = 0;
+ strings[k] = 0;
+ }
-int main(int argc, char **argv)
-{
-char *s, *term;
-int errret, cmdline = 1;
-int c;
-
- prg_name = argv[0];
- s = strrchr(prg_name, '/');
- if (s != NULL && *++s != '\0')
- prg_name = s;
-
- term = getenv("TERM");
-
- while ((c = getopt (argc, argv, "ST:")) != EOF)
- switch (c)
- {
- case 'S':
- cmdline = 0;
+ switch (tparm_type(name)) {
+ case Num_Str:
+ s = TPARM_2(s, numbers[1], strings[2]);
+ break;
+ case Num_Str_Str:
+ s = TPARM_3(s, numbers[1], strings[2], strings[3]);
break;
- case 'T':
- use_env(FALSE);
- term = optarg;
+ case Numbers:
+#define myParam(n) numbers[n]
+ s = TIPARM_9(s,
+ myParam(1),
+ myParam(2),
+ myParam(3),
+ myParam(4),
+ myParam(5),
+ myParam(6),
+ myParam(7),
+ myParam(8),
+ myParam(9));
+#undef myParam
break;
+ case Other:
+ /* FALLTHRU */
default:
- usage();
- /* NOTREACHED */
+ (void) _nc_tparm_analyze(s, p_is_s, &ignored);
+#define myParam(n) (p_is_s[n - 1] != 0 ? ((TPARM_ARG) strings[n]) : numbers[n])
+ s = TPARM_9(s,
+ myParam(1),
+ myParam(2),
+ myParam(3),
+ myParam(4),
+ myParam(5),
+ myParam(6),
+ myParam(7),
+ myParam(8),
+ myParam(9));
+#undef myParam
+ break;
}
- argc -= optind;
- argv += optind;
-
- if (cmdline && argc == 0) {
- usage();
- /* NOTREACHED */
- }
-
- if (term == NULL || *term == '\0') {
- quit(2, "No value for $TERM and no -T specified");
}
- setupterm(term, STDOUT_FILENO, &errret);
- if (errret == ERR)
- quit(3, "unknown terminal \"%s\"", term);
-
- if (cmdline)
- return(tput(argc, argv));
- else {
- char buf[BUFSIZ];
- int errors = 0;
-
- while (fgets(buf, sizeof(buf), stdin) != (char *)NULL) {
- char *argvec[16]; /* command, 9 parms, null, & slop */
- int argnum = 0;
- char *cp;
-
- /* crack the argument list into a dope vector */
- for (cp = buf; *cp; cp++) {
- if (isspace(*cp))
- *cp = '\0';
- else if (cp == buf || cp[-1] == 0)
- argvec[argnum++] = cp;
- }
- argvec[argnum] = (char *)NULL;
+ /* use putp() in order to perform padding */
+ putp(s);
+ return exit_code(STRING, 0);
+ }
+ return exit_code(STRING, 1);
+}
- if (tput(argnum, argvec) != 0)
- errors++;
+int
+main(int argc, char **argv)
+{
+ char *term;
+ int errret;
+ bool cmdline = TRUE;
+ int c;
+ char buf[BUFSIZ];
+ int result = 0;
+ int fd;
+ TTY tty_settings;
+ bool opt_x = FALSE; /* clear scrollback if possible */
+ bool is_alias;
+ bool need_tty;
+
+ prg_name = check_aliases(_nc_rootname(argv[0]), TRUE);
+
+ term = getenv("TERM");
+
+ while ((c = getopt(argc, argv, "ST:Vx")) != -1) {
+ switch (c) {
+ case 'S':
+ cmdline = FALSE;
+ break;
+ case 'T':
+ use_env(FALSE);
+ use_tioctl(TRUE);
+ term = optarg;
+ break;
+ case 'V':
+ puts(curses_version());
+ ExitProgram(EXIT_SUCCESS);
+ case 'x': /* do not try to clear scrollback */
+ opt_x = TRUE;
+ break;
+ default:
+ usage();
+ /* NOTREACHED */
+ }
+ }
+
+ is_alias = (is_clear || is_reset || is_init);
+ need_tty = ((is_reset || is_init) ||
+ (optind < argc &&
+ (!strcmp(argv[optind], "reset") ||
+ !strcmp(argv[optind], "init"))));
+
+ /*
+ * Modify the argument list to omit the options we processed.
+ */
+ if (is_alias) {
+ if (optind-- < argc) {
+ argc -= optind;
+ argv += optind;
+ }
+ argv[0] = prg_name;
+ } else {
+ argc -= optind;
+ argv += optind;
+ }
+
+ if (term == 0 || *term == '\0')
+ quit(ErrUsage, "No value for $TERM and no -T specified");
+
+ fd = save_tty_settings(&tty_settings, need_tty);
+
+ if (setupterm(term, fd, &errret) != OK && errret <= 0)
+ quit(ErrTermType, "unknown terminal \"%s\"", term);
+
+ if (cmdline) {
+ if ((argc <= 0) && !is_alias)
+ usage();
+ ExitProgram(tput_cmd(fd, &tty_settings, opt_x, argc, argv));
+ }
+
+ while (fgets(buf, sizeof(buf), stdin) != 0) {
+ char *argvec[16]; /* command, 9 parms, null, & slop */
+ int argnum = 0;
+ char *cp;
+
+ /* crack the argument list into a dope vector */
+ for (cp = buf; *cp; cp++) {
+ if (isspace(UChar(*cp))) {
+ *cp = '\0';
+ } else if (cp == buf || cp[-1] == 0) {
+ argvec[argnum++] = cp;
+ if (argnum >= (int) SIZEOF(argvec) - 1)
+ break;
+ }
}
+ argvec[argnum] = 0;
- return(errors > 0);
+ if (argnum != 0
+ && tput_cmd(fd, &tty_settings, opt_x, argnum, argvec) != 0) {
+ if (result == 0)
+ result = ErrSystem(0); /* will return value >4 */
+ ++result;
}
-}
+ }
+ ExitProgram(result);
+}
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