/****************************************************************************
- * Copyright (c) 1998,1999,2000 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2005,2006 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 *
****************************************************************************/
/*
#if NEED_PTEM_H
/* they neglected to define struct winsize in termios.h -- it's only
in termio.h */
-#include <sys/stream.h>
-#include <sys/ptem.h>
+#include <sys/stream.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 0.47 2000/10/08 01:01:08 tom Exp $")
+MODULE_ID("$Id: tset.c,v 1.67 2006/09/16 17:51:10 tom Exp $")
extern char **environ;
const char *_nc_progname = "tset";
-static TTY mode, oldmode;
+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 */
static int tlines, tcolumns; /* window size */
-#define LOWERCASE(c) ((isalpha(c) && isupper(c)) ? tolower(c) : (c))
+#define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
static int
CaselessCmp(const char *a, const char *b)
return LOWERCASE(*a) - LOWERCASE(*b);
}
+static void
+exit_error(void)
+{
+ if (can_restore)
+ SET_TTY(STDERR_FILENO, &original);
+ (void) fprintf(stderr, "\n");
+ fflush(stderr);
+ ExitProgram(EXIT_FAILURE);
+ /* NOTREACHED */
+}
+
static void
err(const char *fmt,...)
{
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);
- (void) fprintf(stderr, "\n");
- exit(EXIT_FAILURE);
+ exit_error();
/* NOTREACHED */
}
failed(const char *msg)
{
char temp[BUFSIZ];
- perror(strncat(strcpy(temp, "tset: "), msg, sizeof(temp) - 10));
- exit(EXIT_FAILURE);
+ unsigned len = strlen(_nc_progname) + 2;
+
+ if (len < sizeof(temp) - 12) {
+ strcpy(temp, _nc_progname);
+ strcat(temp, ": ");
+ } else {
+ strcpy(temp, "tset: ");
+ }
+ perror(strncat(temp, msg, sizeof(temp) - strlen(temp) - 2));
+ exit_error();
/* NOTREACHED */
}
static void
cat(char *file)
{
- register int fd, nr, nw;
+ FILE *fp;
+ size_t nr;
char buf[BUFSIZ];
- if ((fd = open(file, O_RDONLY, 0)) < 0)
+ if ((fp = fopen(file, "r")) == 0)
failed(file);
- while ((nr = read(fd, buf, sizeof(buf))) > 0)
- if ((nw = write(STDERR_FILENO, buf, (size_t) nr)) == -1)
- failed("write to stderr");
- if (nr != 0)
- failed(file);
- (void) close(fd);
+ while ((nr = fread(buf, sizeof(char), sizeof(buf), fp)) != 0)
+ if (fwrite(buf, sizeof(char), nr, stderr) != nr)
+ failed("write to stderr");
+ fclose(fp);
}
static int
char *p;
/* We can get recalled; if so, don't continue uselessly. */
+ clearerr(stdin);
if (feof(stdin) || ferror(stdin)) {
(void) fprintf(stderr, "\n");
- exit(EXIT_FAILURE);
+ exit_error();
+ /* NOTREACHED */
}
for (;;) {
if (dflt)
if (fgets(answer, sizeof(answer), stdin) == 0) {
if (dflt == 0) {
- (void) fprintf(stderr, "\n");
- exit(EXIT_FAILURE);
+ exit_error();
+ /* NOTREACHED */
}
return (dflt);
}
char *base = 0;
copy = strdup(arg);
- mapp = malloc(sizeof(MAP));
+ mapp = (MAP *) malloc(sizeof(MAP));
if (copy == 0 || mapp == 0)
failed("malloc");
mapp->next = 0;
static const char *
get_termcap_entry(char *userarg)
{
- int rval, errret;
+ int errret;
char *p;
const char *ttype;
#if HAVE_GETTTYNAM
while (fgets(buffer, sizeof(buffer) - 1, fp) != 0) {
for (s = buffer, t = d = 0; *s; s++) {
- if (isspace(*s))
+ if (isspace(UChar(*s)))
*s = '\0';
else if (t == 0)
t = s;
* 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.
*/
ttype = askuser(0);
}
/* Find the terminfo entry. If it doesn't exist, ask the user. */
- while ((rval = setupterm((NCURSES_CONST char *) ttype, STDOUT_FILENO,
- &errret)) != OK) {
+ 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);
);
#endif
-#ifdef TERMIOS
- tcsetattr(STDERR_FILENO, TCSADRAIN, &mode);
-#else
- stty(STDERR_FILENO, &mode);
-#endif
+ SET_TTY(STDERR_FILENO, &mode);
}
/*
set_control_chars(void)
{
#ifdef TERMIOS
- if (mode.c_cc[VERASE] == 0 || terasechar >= 0)
+ 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)
+ if (DISABLED(mode.c_cc[VINTR]) || intrchar >= 0)
mode.c_cc[VINTR] = intrchar >= 0 ? intrchar : CINTR;
- if (mode.c_cc[VKILL] == 0 || tkillchar >= 0)
+ if (DISABLED(mode.c_cc[VKILL]) || tkillchar >= 0)
mode.c_cc[VKILL] = tkillchar >= 0 ? tkillchar : CKILL;
#endif
}
#ifdef TAB3
if (oldmode.c_oflag & (TAB3 | ONLCR | OCRNL | ONLRET)) {
oldmode.c_oflag &= (TAB3 | ONLCR | OCRNL | ONLRET);
- tcsetattr(STDERR_FILENO, TCSADRAIN, &oldmode);
+ SET_TTY(STDERR_FILENO, &oldmode);
}
#endif
settle = set_tabs();
* 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;
* 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]\n", pname);
- exit(EXIT_FAILURE);
+ 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
const char *p;
const char *ttype;
- if (GET_TTY(STDERR_FILENO, &mode) < 0)
- failed("standard error");
- oldmode = mode;
-#ifdef TERMIOS
- ospeed = cfgetospeed(&mode);
-#else
- ospeed = mode.sg_ospeed;
-#endif
-
- p = _nc_basename(*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")) != EOF) {
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 = cfgetospeed(&mode);
+#else
+ ospeed = mode.sg_ospeed;
+#endif
+
+ if (!strcmp(_nc_progname, PROG_RESET)) {
+ isreset = TRUE;
+ reset_mode();
+ }
ttype = get_termcap_entry(*argv);
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) {
+ /* 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);
+ }
}
#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))) {
-#ifdef TERMIOS
- tcsetattr(STDERR_FILENO, TCSADRAIN, &mode);
-#else
- stty(STDERR_FILENO, &mode);
-#endif
+ /* 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 = 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