/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2012,2013 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 *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
+/*
+ * Notes:
+ * The initial adaptation from 4.4BSD Lite sources in September 1995 used 686
+ * lines from that version, and made changes/additions for 150 lines. There
+ * was no reformatting, so with/without ignoring whitespace, the amount of
+ * change is the same.
+ *
+ * Comparing with current (2009) source, excluding this comment:
+ * a) 209 lines match identically to the 4.4BSD Lite sources, with 771 lines
+ * changed/added.
+ * a) Ignoring whitespace, the current version still uses 516 lines from the
+ * 4.4BSD Lite sources, with 402 lines changed/added.
+ *
+ * Raymond's original comment on this follows...
+ */
+
/*
* tset.c - terminal initialization utility
*
* 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
+ * 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.
*
* SUCH DAMAGE.
*/
+#define USE_LIBTINFO
#define __INTERNAL_CAPS_VISIBLE /* we need to see has_hardware_tabs */
#include <progs.priv.h>
char *ttyname(int fd);
#endif
-/* this is just to stifle a missing-prototype warning */
-#ifdef linux
-# include <sys/ioctl.h>
+#if HAVE_SIZECHANGE
+# if !defined(sun) || !TERMIOS
+# if HAVE_SYS_IOCTL_H
+# include <sys/ioctl.h>
+# endif
+# endif
#endif
#if NEED_PTEM_H
#include <sys/ptem.h>
#endif
-#include <curses.h> /* for bool typedef */
#include <dump_entry.h>
#include <transform.h>
-MODULE_ID("$Id: tset.c,v 0.53 2002/08/24 23:18:16 tom Exp $")
+MODULE_ID("$Id: tset.c,v 1.91 2013/03/23 21:38:08 tom Exp $")
+/*
+ * SCO defines TIOCGSIZE and the corresponding struct. Other systems (SunOS,
+ * Solaris, IRIX) define TIOCGWINSZ and struct winsize.
+ */
+#ifdef TIOCGSIZE
+# define IOCTL_GET_WINSIZE TIOCGSIZE
+# define IOCTL_SET_WINSIZE TIOCSSIZE
+# define STRUCT_WINSIZE struct ttysize
+# define WINSIZE_ROWS(n) n.ts_lines
+# define WINSIZE_COLS(n) n.ts_cols
+#else
+# ifdef TIOCGWINSZ
+# define IOCTL_GET_WINSIZE TIOCGWINSZ
+# define IOCTL_SET_WINSIZE TIOCSWINSZ
+# define STRUCT_WINSIZE struct winsize
+# define WINSIZE_ROWS(n) n.ws_row
+# define WINSIZE_COLS(n) n.ws_col
+# endif
+#endif
+
+#ifndef environ
extern char **environ;
+#endif
#undef CTRL
#define CTRL(x) ((x) & 0x1f)
+static void failed(const char *) GCC_NORETURN;
+static void exit_error(void) GCC_NORETURN;
+static void err(const char *,...) GCC_NORETURN;
+
const char *_nc_progname = "tset";
static TTY mode, oldmode, original;
+static bool opt_c; /* set control-chars */
+static bool opt_w; /* set window-size */
+
static bool can_restore = FALSE;
static bool isreset = FALSE; /* invoked as reset */
static int terasechar = -1; /* new erase character */
static int intrchar = -1; /* new interrupt character */
static int tkillchar = -1; /* new kill character */
+
+#if HAVE_SIZECHANGE
static int tlines, tcolumns; /* window size */
+#endif
#define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
SET_TTY(STDERR_FILENO, &original);
(void) fprintf(stderr, "\n");
fflush(stderr);
- exit(EXIT_FAILURE);
+ ExitProgram(EXIT_FAILURE);
/* NOTREACHED */
}
{
va_list ap;
va_start(ap, fmt);
- (void) fprintf(stderr, "tset: ");
+ (void) fprintf(stderr, "%s: ", _nc_progname);
(void) vfprintf(stderr, fmt, ap);
va_end(ap);
exit_error();
failed(const char *msg)
{
char temp[BUFSIZ];
- perror(strncat(strcpy(temp, "tset: "), msg, sizeof(temp) - 10));
+ size_t len = strlen(_nc_progname) + 2;
+
+ if ((int) len < (int) sizeof(temp) - 12) {
+ _nc_STRCPY(temp, _nc_progname, sizeof(temp));
+ _nc_STRCAT(temp, ": ", sizeof(temp));
+ } else {
+ _nc_STRCPY(temp, "tset: ", sizeof(temp));
+ }
+ perror(strncat(temp, msg, sizeof(temp) - strlen(temp) - 2));
exit_error();
/* NOTREACHED */
}
char *base = 0;
copy = strdup(arg);
- mapp = malloc(sizeof(MAP));
+ mapp = typeMalloc(MAP, 1);
if (copy == 0 || mapp == 0)
failed("malloc");
+
+ assert(copy != 0);
+ assert(mapp != 0);
+
mapp->next = 0;
if (maplist == 0)
cur = maplist = mapp;
mapp->speed = tbaudrate(p);
}
- if (arg == (char *) 0) /* Non-optional type. */
- goto badmopt;
-
mapp->type = arg;
/* Terminate porttype, if specified. */
mapp->conditional = ~mapp->conditional & (EQ | GT | LT);
/* If user specified a port with an option flag, set it. */
- done:if (port) {
- if (mapp->porttype)
- badmopt:err("illegal -m option format: %s", copy);
+ done:
+ if (port) {
+ if (mapp->porttype) {
+ badmopt:
+ err("illegal -m option format: %s", copy);
+ }
mapp->porttype = port;
}
+ free(copy);
#ifdef MAPDEBUG
(void) printf("port: %s\n", mapp->porttype ? mapp->porttype : "ANY");
(void) printf("type: %s\n", mapp->type);
match = TRUE;
break;
case EQ:
- match = (ospeed == mapp->speed);
+ match = ((int) ospeed == mapp->speed);
break;
case GE:
- match = (ospeed >= mapp->speed);
+ match = ((int) ospeed >= mapp->speed);
break;
case GT:
- match = (ospeed > mapp->speed);
+ match = ((int) ospeed > mapp->speed);
break;
case LE:
- match = (ospeed <= mapp->speed);
+ match = ((int) ospeed <= mapp->speed);
break;
case LT:
- match = (ospeed < mapp->speed);
+ match = ((int) ospeed < mapp->speed);
break;
default:
match = FALSE;
* real entry from /etc/termcap. This prevents us from being fooled
* by out of date stuff in the environment.
*/
- found:if ((p = getenv("TERMCAP")) != 0 && *p != '/') {
+ found:if ((p = getenv("TERMCAP")) != 0 && !_nc_is_abs_path(p)) {
/* 'unsetenv("TERMCAP")' is not portable.
* The 'environ' array is better.
*/
while (setupterm((NCURSES_CONST char *) ttype, STDOUT_FILENO, &errret)
!= OK) {
if (errret == 0) {
- (void) fprintf(stderr, "tset: unknown terminal type %s\n",
- ttype);
+ (void) fprintf(stderr, "%s: unknown terminal type %s\n",
+ _nc_progname, ttype);
ttype = 0;
} else {
(void) fprintf(stderr,
- "tset: can't initialize terminal type %s (error %d)\n",
- ttype, errret);
+ "%s: can't initialize terminal type %s (error %d)\n",
+ _nc_progname, ttype, errret);
ttype = 0;
}
ttype = askuser(ttype);
**************************************************************************/
/* some BSD systems have these built in, some systems are missing
- * one or more definitions. The safest solution is to override.
+ * one or more definitions. The safest solution is to override unless the
+ * commonly-altered ones are defined.
*/
+#if !(defined(CERASE) && defined(CINTR) && defined(CKILL) && defined(CQUIT))
#undef CEOF
#undef CERASE
#undef CINTR
#undef CSTART
#undef CSTOP
#undef CSUSP
+#endif
/* control-character defaults */
+#ifndef CEOF
#define CEOF CTRL('D')
+#endif
+#ifndef CERASE
#define CERASE CTRL('H')
+#endif
+#ifndef CINTR
#define CINTR 127 /* ^? */
+#endif
+#ifndef CKILL
#define CKILL CTRL('U')
+#endif
+#ifndef CLNEXT
#define CLNEXT CTRL('v')
+#endif
+#ifndef CRPRNT
#define CRPRNT CTRL('r')
+#endif
+#ifndef CQUIT
#define CQUIT CTRL('\\')
+#endif
+#ifndef CSTART
#define CSTART CTRL('Q')
+#endif
+#ifndef CSTOP
#define CSTOP CTRL('S')
+#endif
+#ifndef CSUSP
#define CSUSP CTRL('Z')
+#endif
-#define CHK(val, dft) ((int)val <= 0 ? dft : val)
+#if defined(_POSIX_VDISABLE)
+#define DISABLED(val) (((_POSIX_VDISABLE != -1) \
+ && ((val) == _POSIX_VDISABLE)) \
+ || ((val) <= 0))
+#else
+#define DISABLED(val) ((int)(val) <= 0)
+#endif
+
+#define CHK(val, dft) (DISABLED(val) ? dft : val)
static bool set_tabs(void);
| OFDEL
#endif
#ifdef NLDLY
- | NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY
+ | NLDLY
+#endif
+#ifdef CRDLY
+ | CRDLY
+#endif
+#ifdef TABDLY
+ | TABDLY
+#endif
+#ifdef BSDLY
+ | BSDLY
+#endif
+#ifdef VTDLY
+ | VTDLY
+#endif
+#ifdef FFDLY
+ | FFDLY
#endif
);
set_control_chars(void)
{
#ifdef TERMIOS
- if (mode.c_cc[VERASE] == 0 || terasechar >= 0)
- mode.c_cc[VERASE] = terasechar >= 0 ? terasechar : default_erase();
+ if (DISABLED(mode.c_cc[VERASE]) || terasechar >= 0)
+ mode.c_cc[VERASE] = (terasechar >= 0) ? terasechar : default_erase();
- if (mode.c_cc[VINTR] == 0 || intrchar >= 0)
- mode.c_cc[VINTR] = intrchar >= 0 ? intrchar : CINTR;
+ if (DISABLED(mode.c_cc[VINTR]) || intrchar >= 0)
+ mode.c_cc[VINTR] = (intrchar >= 0) ? intrchar : CINTR;
- if (mode.c_cc[VKILL] == 0 || tkillchar >= 0)
- mode.c_cc[VKILL] = tkillchar >= 0 ? tkillchar : CKILL;
+ if (DISABLED(mode.c_cc[VKILL]) || tkillchar >= 0)
+ mode.c_cc[VKILL] = (tkillchar >= 0) ? tkillchar : CKILL;
#endif
}
* Return TRUE if we set any tab stops, FALSE if not.
*/
static bool
-set_tabs()
+set_tabs(void)
{
if (set_tab && clear_all_tabs) {
int c;
+ int lim =
+#if HAVE_SIZECHANGE
+ tcolumns
+#else
+ columns
+#endif
+ ;
(void) putc('\r', stderr); /* Force to left margin. */
tputs(clear_all_tabs, 0, outc);
- for (c = 8; c < tcolumns; c += 8) {
+ for (c = 8; c < lim; c += 8) {
/* Get to the right column. In BSD tset, this
* used to try a bunch of half-clever things
* with cup and hpa, for an average saving of
* somewhat less than two character times per
- * tab stop, less that .01 sec at 2400cps. We
+ * tab stop, less than .01 sec at 2400cps. We
* lost all this cruft because it seemed to be
* introducing some odd bugs.
- * ----------12345678----------- */
+ * -----------12345678----------- */
(void) fputs(" ", stderr);
tputs(set_tab, 0, outc);
}
(void) fprintf(stderr, "%s %s ", name, older == newer ? "is" : "set to");
+ if (DISABLED(newer))
+ (void) fprintf(stderr, "undef.\n");
/*
* Check 'delete' before 'backspace', since the key_backspace value
* is ambiguous.
*/
- if (newer == 0177)
+ else if (newer == 0177)
(void) fprintf(stderr, "delete.\n");
else if ((p = key_backspace) != 0
&& newer == (unsigned char) p[0]
(void) fprintf(stderr, "backspace.\n");
else if (newer < 040) {
newer ^= 0100;
- (void) fprintf(stderr, "control-%c (^%c).\n", newer, newer);
+ (void) fprintf(stderr, "control-%c (^%c).\n", UChar(newer), UChar(newer));
} else
- (void) fprintf(stderr, "%c.\n", newer);
+ (void) fprintf(stderr, "%c.\n", UChar(newer));
}
#endif
}
static void
-usage(const char *pname)
+usage(void)
{
- (void) fprintf(stderr,
- "usage: %s [-IQVrs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal]", pname);
+ static const char *tbl[] =
+ {
+ ""
+ ,"Options:"
+ ," -c set control characters"
+ ," -e ch erase character"
+ ," -I no initialization strings"
+ ," -i ch interrupt character"
+ ," -k ch kill character"
+ ," -m mapping map identifier to type"
+ ," -Q do not output control key settings"
+ ," -r display term on stderr"
+ ," -s output TERM set command"
+ ," -V print curses-version"
+ ," -w set window-size"
+ };
+ unsigned n;
+ (void) fprintf(stderr, "Usage: %s [options] [terminal]\n", _nc_progname);
+ for (n = 0; n < sizeof(tbl) / sizeof(tbl[0]); ++n)
+ fprintf(stderr, "%s\n", tbl[n]);
exit_error();
/* NOTREACHED */
}
static char
arg_to_char(void)
{
- return (optarg[0] == '^' && optarg[1] != '\0')
- ? ((optarg[1] == '?') ? '\177' : CTRL(optarg[1]))
- : optarg[0];
+ return (char) ((optarg[0] == '^' && optarg[1] != '\0')
+ ? ((optarg[1] == '?') ? '\177' : CTRL(optarg[1]))
+ : optarg[0]);
}
int
main(int argc, char **argv)
{
-#if defined(TIOCGWINSZ) && defined(TIOCSWINSZ)
- struct winsize win;
-#endif
int ch, noinit, noset, quiet, Sflag, sflag, showterm;
const char *p;
const char *ttype;
- if (GET_TTY(STDERR_FILENO, &mode) < 0)
- failed("standard error");
- can_restore = TRUE;
- original = oldmode = mode;
-#ifdef TERMIOS
- ospeed = cfgetospeed(&mode);
-#else
- ospeed = mode.sg_ospeed;
-#endif
-
- p = _nc_rootname(*argv);
- if (!strcmp(p, PROG_RESET)) {
- isreset = TRUE;
- reset_mode();
- }
-
obsolete(argv);
noinit = noset = quiet = Sflag = sflag = showterm = 0;
- while ((ch = getopt(argc, argv, "a:d:e:Ii:k:m:np:qQSrsV")) != EOF) {
+ while ((ch = getopt(argc, argv, "a:cd:e:Ii:k:m:np:qQSrsVw")) != -1) {
switch (ch) {
- case 'q': /* display term only */
- noset = 1;
+ case 'c': /* set control-chars */
+ opt_c = TRUE;
break;
case 'a': /* OBSOLETE: map identifier to type */
add_mapping("arpanet", optarg);
case 'Q': /* don't output control key settings */
quiet = 1;
break;
- case 'S': /* OBSOLETE: output TERM & TERMCAP */
- Sflag = 1;
+ case 'q': /* display term only */
+ noset = 1;
break;
case 'r': /* display term on stderr */
showterm = 1;
break;
+ case 'S': /* OBSOLETE: output TERM & TERMCAP */
+ Sflag = 1;
+ break;
case 's': /* output TERM set command */
sflag = 1;
break;
- case 'V':
+ case 'V': /* print curses-version */
puts(curses_version());
- return EXIT_SUCCESS;
+ ExitProgram(EXIT_SUCCESS);
+ case 'w': /* set window-size */
+ opt_w = TRUE;
+ break;
case '?':
default:
- usage(*argv);
+ usage();
}
}
+
+ _nc_progname = _nc_rootname(*argv);
argc -= optind;
argv += optind;
if (argc > 1)
- usage(*argv);
+ usage();
+
+ if (!opt_c && !opt_w)
+ opt_c = opt_w = TRUE;
+
+ if (GET_TTY(STDERR_FILENO, &mode) < 0)
+ failed("standard error");
+ can_restore = TRUE;
+ original = oldmode = mode;
+#ifdef TERMIOS
+ ospeed = (NCURSES_OSPEED) cfgetospeed(&mode);
+#else
+ ospeed = (NCURSES_OSPEED) mode.sg_ospeed;
+#endif
+
+ if (same_program(_nc_progname, PROG_RESET)) {
+ isreset = TRUE;
+ reset_mode();
+ }
- ttype = get_termcap_entry(*argv);
+ (void) get_termcap_entry(*argv);
if (!noset) {
+#if HAVE_SIZECHANGE
tcolumns = columns;
tlines = lines;
-#if defined(TIOCGWINSZ) && defined(TIOCSWINSZ)
- /* Set window size */
- (void) ioctl(STDERR_FILENO, TIOCGWINSZ, &win);
- if (win.ws_row == 0 && win.ws_col == 0 &&
- tlines > 0 && tcolumns > 0) {
- win.ws_row = tlines;
- win.ws_col = tcolumns;
- (void) ioctl(STDERR_FILENO, TIOCSWINSZ, &win);
+ if (opt_w) {
+ STRUCT_WINSIZE win;
+ /* Set window size if not set already */
+ (void) ioctl(STDERR_FILENO, IOCTL_GET_WINSIZE, &win);
+ if (WINSIZE_ROWS(win) == 0 &&
+ WINSIZE_COLS(win) == 0 &&
+ tlines > 0 && tcolumns > 0) {
+ WINSIZE_ROWS(win) = tlines;
+ WINSIZE_COLS(win) = tcolumns;
+ (void) ioctl(STDERR_FILENO, IOCTL_SET_WINSIZE, &win);
+ }
}
#endif
- set_control_chars();
- set_conversions();
+ if (opt_c) {
+ set_control_chars();
+ set_conversions();
- if (!noinit)
- set_init();
+ if (!noinit)
+ set_init();
- /* Set the modes if they've changed. */
- if (memcmp(&mode, &oldmode, sizeof(mode))) {
- SET_TTY(STDERR_FILENO, &mode);
+ /* Set the modes if they've changed. */
+ if (memcmp(&mode, &oldmode, sizeof(mode))) {
+ SET_TTY(STDERR_FILENO, &mode);
+ }
}
}
#ifdef TERMIOS
if (!quiet) {
report("Erase", VERASE, CERASE);
- report("Kill", VKILL, CINTR);
- report("Interrupt", VINTR, CKILL);
+ report("Kill", VKILL, CKILL);
+ report("Interrupt", VINTR, CINTR);
}
#endif
}
err("The -S option is not supported under terminfo.");
if (sflag) {
+ int len;
+ char *var;
+ char *leaf;
/*
* Figure out what shell we're using. A hack, we look for an
* environmental variable SHELL ending in "csh".
*/
- if ((p = getenv("SHELL")) != 0
- && !strcmp(p + strlen(p) - 3, "csh"))
+ if ((var = getenv("SHELL")) != 0
+ && ((len = (int) strlen(leaf = _nc_basename(var))) >= 3)
+ && !strcmp(leaf + len - 3, "csh"))
p = "set noglob;\nsetenv TERM %s;\nunset noglob;\n";
else
p = "TERM=%s;\n";
(void) printf(p, ttype);
}
- return EXIT_SUCCESS;
+ ExitProgram(EXIT_SUCCESS);
}
-
-/* tset.c ends here */
projects / ncurses.git / blobdiff