+Sat Oct 16 22:32:54 1993 Jim Meyering (meyering@comco.com)
+
+ * whoami.c (main): Cast printf arg UID so it matches the type
+ expected by %u format no matter how uid_t is defined.
+
+ * stty.c: Accept `status' option and VDISCARD as an alias for
+ VFLUSHO. From Arne H. Juul (arnej@imf.unit.no).
+
+ * basename.c, date.c, dirname.c, echo.c, env.c, expr.c,
+ false.sh, groups.sh, id.c, logname.c, long-options.c, nice.c,
+ nohup.sh, pathchk.c, printenv.c, printf.c, sleep.c, stty.c,
+ su.c, tee.c, test.c, true.sh, tty.c, uname.c, who.c, whoami.c,
+ yes.c: Using --help gets long well- formatted help. Now --help
+ writes to stdout and exits successfully. From Francois Pinard
+ <pinard@iro.umontreal.ca>.
+
+Wed Oct 13 13:10:27 1993 Jim Meyering (meyering@comco.com)
+
+ * long-options.c: Include sys/types before system.h.
+ From Franc,ois Pinard (pinard@iro.umontreal.ca).
+
Tue Oct 12 00:53:26 1993 Jim Meyering (meyering@comco.com)
* stime.c [HAVE_CONFIG_H, CONFIG_BROKETS]: Include <config.h>
};
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "Usage: %s [{--help,--version}] name [suffix]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... PATH [SUFFIX]\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+");
+
+ exit (status);
}
void
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (argc - optind == 0 || argc - optind > 2)
- usage ();
+ usage (1);
strip_trailing_slashes (argv[optind]);
universal_time = 1;
break;
default:
- usage ();
+ usage (1);
}
if (show_version)
}
if (show_help)
- usage ();
+ usage (0);
if (argc - optind > 1)
- usage ();
+ usage (1);
if (universal_time && putenv (TZ_UCT) != 0)
error (1, 0, "virtual memory exhausted");
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [{--help,--version}] [-u] [-d datestr] [-s datestr]\n\
- [--date datestr] [--set datestr] [--uct] [--universal]\n\
- [+FORMAT] [MMDDhhmm[[CC]YY][.ss]]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [+FORMAT] [MMDDhhmm[[CC]YY][.ss]]\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+ {
+ printf ("\
+\n\
+ -d, --date STRING display time described by STRING, not `now'\n\
+ -s, --set STRING set time described by STRING\n\
+ -u, --uct, --universal print or set Universal Coordinated Time\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+");
+ printf ("\
+\n\
+FORMAT controls the output. Interpreted sequences are:\n\
+\n\
+ %%%% a literal %%\n\
+ %%A locale's full weekday name, variable length (Sunday..Saturday)\n\
+ %%B locale's full month name, variable length (January..December)\n\
+ %%D date (mm/dd/yy)\n\
+ %%H hour (00..23)\n\
+ %%I hour (01..12)\n\
+ %%M minute (00..59)\n\
+ %%S second (00..61)\n\
+ %%T time, 24-hour (hh:mm:ss)\n\
+ %%U week number of year with Sunday as first day of week (00..53)\n\
+ %%W week number of year with Monday as first day of week (00..53)\n\
+ %%X locale's time representation (%%H:%%M:%%S)\n\
+ %%Y year (1970...)\n\
+ %%Z time zone (e.g., EDT), or nothing if no time zone is determinable\n\
+ %%a locale's abbreviated weekday name (Sun..Sat)\n\
+ %%b locale's abbreviated month name (Jan..Dec)\n\
+ %%c locale's date and time (Sat Nov 04 12:02:33 EST 1989)\n\
+ %%d day of month (01..31)\n\
+ %%h same as %%b\n\
+ %%j day of year (001..366)\n\
+ %%k hour ( 0..23)\n\
+ %%l hour ( 1..12)\n\
+ %%m month (01..12)\n\
+ %%n a newline\n\
+ %%p locale's AM or PM\n\
+ %%r time, 12-hour (hh:mm:ss [AP]M)\n\
+ %%t a horizontal tab\n\
+ %%w day of week (0..6)\n\
+ %%x locale's date representation (mm/dd/yy)\n\
+ %%y last two digits of year (00..99)\n\
+");
+ }
+
+ exit (status);
}
};
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "Usage: %s [{--help,--version}] path\n", program_name);
- exit (1);
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... PATH\n\
+",
+ program_name);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+");
+
+ exit (status);
}
void
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (argc - optind != 1)
- usage ();
+ usage (1);
path = argv[optind];
strip_trailing_slashes (path);
void parse_long_options ();
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "Usage: %s [{--help,--version}] [-ne] [string ...]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [STRING]...\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -n do not output the trailing newline\n\
+ -e (unused)\n\
+ -E disable interpolation of some sequences in STRINGs\n\
+ --help display this help and exit (should be alone)\n\
+ --version output version information and exit (should be alone)\n\
+\n\
+Without -E, the following sequences are recognized and interpolated:\n\
+\n\
+ \\NNN the character whose ASCII code is NNN (octal)\n\
+ \\\\ backslash\n\
+ \\a alert (BEL)\n\
+ \\b backspace\n\
+ \\c suppress trailing newline\n\
+ \\f form feed\n\
+ \\n new line\n\
+ \\r carriage return\n\
+ \\t horizontal tab\n\
+ \\v vertical tab\n\
+");
+
+ exit (status);
}
/* Print the words in LIST to standard output. If the first word is
case 'u':
break;
default:
- usage ();
+ usage (2);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (optind != argc && !strcmp (argv[optind], "-"))
ignore_environment = 1;
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [{--help,--version}] [-] [-i] [-u name] [--ignore-environment]\n\
- [--unset=name] [name=value]... [command [args...]]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]\n\
+",
program_name);
- exit (2);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -u, --unset NAME remove variable from the environment\n\
+ -i, --ignore-environment start with an empty environment\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+A mere - implies -i. If no COMMAND, print the resulting environment.\n\
+");
+
+ exit (status);
}
#endif
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "Usage: %s [{--help,--version}] expression...\n",
- program_name);
- exit (1);
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s EXPRESSION\n\
+ or: %s OPTION\n\
+",
+ program_name, program_name);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+ {
+ printf ("\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+");
+ printf ("\
+EXPRESSION value is written on standard output. A white line\n\
+separates increasing precedence groups. EXPRESSION may be:\n\
+\n\
+ ARG1 | ARG2 ARG1 if it is neither null nor 0, otherwise ARG2\n\
+\n\
+ ARG1 & ARG2 ARG1 if neither argument is null or 0, otherwise 0\n\
+\n\
+ ARG1 < ARG2 ARG1 is less than ARG2\n\
+ ARG1 <= ARG2 ARG1 is less than or equal to ARG2\n\
+ ARG1 = ARG2 ARG1 is equal to ARG2\n\
+ ARG1 != ARG2 ARG1 is unequal to ARG2\n\
+ ARG1 >= ARG2 ARG1 is greater than or equal to ARG2\n\
+ ARG1 > ARG2 ARG1 is greater than ARG2\n\
+\n\
+ ARG1 + ARG2 arithmetic sum of ARG1 and ARG2\n\
+ ARG1 - ARG2 arithmetic difference of ARG1 and ARG2\n\
+\n\
+ ARG1 * ARG2 arithmetic product of ARG1 and ARG2\n\
+ ARG1 / ARG2 arithmetic quotient of ARG1 divided by ARG2\n\
+ ARG1 %% ARG2 arithmetic remainder of ARG1 divided by ARG2\n\
+\n\
+ STRING : REGEXP anchored pattern match of REGEXP in STRING\n\
+\n\
+ ( EXPRESSION ) value of EXPRESSION\n\
+");
+ printf ("\
+\n\
+Beware that some operators need to be escaped by backslashes for shells.\n\
+Comparisons are arithmetic if both ARGs are numbers, else lexicographical.\n\
+Pattern matches return the string matched between \\( and \\) or null; if\n\
+\\( and \\) are not used, they return the number of characters matched or 0.\n\
+");
+ }
+
+ exit (status);
}
void
parse_long_options (argc, argv, usage);
if (argc == 1)
- usage ();
+ usage (1);
args = argv + 1;
v = eval ();
just_group_list = 1;
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (just_user + just_group + just_group_list > 1)
error (1, 0, "cannot print only user and only group");
error (1, 0, "cannot print only names or real IDs in default format");
if (argc - optind > 1)
- usage ();
+ usage (1);
if (argc - optind == 1)
{
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [-gnruG] [--group] [--name] [--real] [--user] [--groups] [username]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [USERNAME]\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -g, --group print only the group ID\n\
+ -n, --name print a name instead of a number, for -ugG\n\
+ -r, --real print the real ID instead of effective ID, for -ugG\n\
+ -u, --user print only the user ID\n\
+ -G, --groups print only the supplementary groups\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+Without any OPTION, print some useful set of identified information.\n\
+");
+
+ exit (status);
}
};
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "Usage: %s [{--help,--version}]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]...\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+");
+
+ exit (status);
}
void
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (argc - optind != 0)
- usage ();
+ usage (1);
/* POSIX.2 requires using getlogin (or equivalent code). */
cp = getlogin ();
switch (optc)
{
case '?':
- usage ();
+ usage (1);
case 0:
break;
}
if (show_help)
- usage ();
+ usage (0);
if (minusflag)
adjustment = -adjustment;
if (optind == argc)
{
if (adjustment_given)
- usage ();
+ usage (1);
/* No command given; print the priority. */
errno = 0;
current_priority = GET_PRIORITY ();
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [-n adjustment] [-adjustment] [--adjustment=adjustment]\n\
- [command [arg...]]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [COMMAND [ARG]...]\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -ADJUST increment priority by ADJUST first\n\
+ -n, --adjustment ADJUST same as -ADJUST\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+With no COMMAND, print the current scheduling priority. ADJUST is 10\n\
+by default. Range goes from -20 (highest priority) to 19 (lowest).\n\
+");
+
+ exit (status);
}
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (optind == argc)
- usage ();
+ usage (1);
for (; optind < argc; ++optind)
exit_status |= validate_path (argv[optind], check_portability);
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [-p] [--portability] path...\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... PATH...\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -p, --portability check for all POSIX systems, not only this one\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+");
+
+ exit (status);
}
char *program_name;
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "Usage: %s [{--help,--version}] format [argument...]\n",
- program_name);
- exit (1);
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s FORMAT [ARGUMENT]...\n\
+ or: %s OPTION\n\
+",
+ program_name, program_name);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+FORMAT controls the output as in C printf. Interpreted sequences are:\n\
+\n\
+ \\\" double quote\n\
+ \\0NNN character with octal value NNN (0 to 3 digits)\n\
+ \\\\ backslash\n\
+ \\a alert (BEL)\n\
+ \\b backspace\n\
+ \\c produce no further output\n\
+ \\f form feed\n\
+ \\n new line\n\
+ \\r carriage return\n\
+ \\t horizontal tab\n\
+ \\v vertical tab\n\
+ \\xNNN character with hexadecimal value NNN (1 to 3 digits)\n\
+\n\
+ %%%% a single %%\n\
+ %%b ARGUMENT as a string with `\\' escapes interpreted\n\
+\n\
+and all C format specifications ending with one of diouxXfeEgGcs, with\n\
+ARGUMENTs converted to proper type first. Variable widths are handled.\n\
+");
+
+ exit (status);
}
void
};
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "Usage: %s [{--help,--version}] number[smhd]...\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... NUMBER[SUFFIX]\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+SUFFIX may be s for seconds, m for minutes, h for hours or d for days.\n\
+");
+
+ exit (status);
}
void
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (argc == 1)
{
#define CLNEXT Control ('v')
#endif
#if defined(VFLUSHO) && !defined(CFLUSHO)
-#define CFLUSHO Control ('o')
+#define CFLUSHO Control ('o')
+#endif
+#if defined(VDISCARD) && !defined(VFLUSHO)
+#define VFLUSHO VDISCARD
+#endif
+#if defined(VSTATUS) && !defined(CSTATUS)
+#define CSTATUS Control ('t')
#endif
char *visible ();
#ifdef VFLUSHO
{"flush", CFLUSHO, VFLUSHO},
#endif
+#ifdef VSTATUS
+ {"status", CSTATUS, VSTATUS},
+#endif
+
/* These must be last because of the display routines. */
{"min", 1, VMIN},
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr,
- "Usage: %s [{--help,--version}] [-ag] [--all] [--save] [setting...]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [SETTING]...\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+ {
+ printf ("\
+\n\
+ -a, --all print all current settings in human-readable form\n\
+ -g, --save print all current settings in a stty-readable form\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+Optionnal - before SETTING indicates negation. An * marks non-POSIX\n\
+settings. The underlying system defines which settings are available.\n\
+");
+ printf ("\
+\n\
+Special characters:\n\
+* dsusp CHAR CHAR will send a terminal stop signal once input flushed\n\
+ eof CHAR CHAR will send an end of file (terminate the input)\n\
+ eol CHAR CHAR will end the line\n\
+* eol2 CHAR alternate CHAR for ending the line\n\
+ erase CHAR CHAR will erase the last character typed\n\
+ intr CHAR CHAR will send an interrupt signal\n\
+ kill CHAR CHAR will erase the current line\n\
+* lnext CHAR CHAR will enter the next character quoted\n\
+ quit CHAR CHAR will send a quit signal\n\
+* rprnt CHAR CHAR will redraw the current line\n\
+ start CHAR CHAR will restart the output after stopping it\n\
+ stop CHAR CHAR will stop the output\n\
+ susp CHAR CHAR will send a terminal stop signal\n\
+* swtch CHAR CHAR will switch to a different shell layer\n\
+* werase CHAR CHAR will erase the last word typed\n\
+");
+ printf ("\
+\n\
+Special settings:\n\
+ N set the input and output speeds to N bauds\n\
+* cols N tell the kernel that the terminal has N columns\n\
+* columns N same as cols N\n\
+ ispeed N set the input speed to N\n\
+* line N use line discipline N\n\
+ min N with -icanon, set N characters minimum for a completed read\n\
+ ospeed N set the output speed to N\n\
+* rows N tell the kernel that the terminal has N rows\n\
+* size print the number of rows and columns according to the kernel\n\
+ speed print the terminal speed\n\
+ time N with -icanon, set read timeout of N tenths of a second\n\
+");
+ printf ("\
+\n\
+Control settings:\n\
+ [-]clocal disable modem control signals\n\
+ [-]cread allow input to be received\n\
+* [-]crtscts enable RTS/CTS handshaking\n\
+ csN set character size to N bits, N in [5..8]\n\
+ [-]cstopb use two stop bits per character (one with `-')\n\
+ [-]hup send a hangup signal when the last process closes the tty\n\
+ [-]hupcl same as [-]hup\n\
+ [-]parenb generate parity bit in output and expect parity bit in input\n\
+ [-]parodd set odd parity (even with `-')\n\
+");
+ printf ("\
+\n\
+Input settings:\n\
+ [-]brkint breaks cause an interrupt signal\n\
+ [-]icrnl translate carriage return to newline\n\
+ [-]ignbrk ignore breaks\n\
+ [-]igncr ignore carriage return\n\
+ [-]ignpar ignore parity errors\n\
+* [-]imaxbel beep and do not flush a full input buffer on a character\n\
+ [-]inlcr translate newline to carriage return\n\
+ [-]inpck enable input parity checking\n\
+ [-]istrip clear high (8th) bit of input characters\n\
+* [-]iuclc translate uppercase characters to lowercase\n\
+* [-]ixany let any character restart output, not only start character\n\
+ [-]ixoff enable sending of start/stop characters\n\
+ [-]ixon enable XON/XOFF flow control\n\
+ [-]parmrk mark parity errors (with a 255-0-character sequence)\n\
+ [-]tandem same as [-]ixoff\n\
+");
+ printf ("\
+\n\
+Output settings:\n\
+* bsN backspace delay style, N in [0..1]\n\
+* crN carriage return delay style, N in [0..3]\n\
+* ffN form feed delay style, N in [0..1]\n\
+* nlN newline delay style, N in [0..1]\n\
+* [-]ocrnl translate carriage return to newline\n\
+* [-]ofdel use delete characters for fill instead of null characters\n\
+* [-]ofill use fill (padding) characters instead of timing for delays\n\
+* [-]olcuc translate lowercase characters to uppercase\n\
+* [-]onlcr translate newline to carriage return-newline\n\
+* [-]onlret newline performs a carriage return\n\
+* [-]onocr do not print carriage returns in the first column\n\
+ [-]opost postprocess output\n\
+* tabN horizontal tab delay style, N in [0..3]\n\
+* tabs same as tab0\n\
+* -tabs same as tab3\n\
+* vtN vertical tab delay style, N in [0..1]\n\
+");
+ printf ("\
+\n\
+Local settings:\n\
+ [-]crterase echo erase characters as backspace-space-backspace\n\
+* crtkill kill all line by obeying the echoprt and echoe settings\n\
+* -crtkill kill all line by obeying the echoctl and echok settings\n\
+* [-]ctlecho echo control characters in hat notation (`^c')\n\
+ [-]echo echo input characters\n\
+* [-]echoctl same as [-]ctlecho\n\
+ [-]echoe same as [-]crterase\n\
+ [-]echok echo a newline after a kill character\n\
+* [-]echoke same as [-]crtkill\n\
+ [-]echonl echo newline even if not echoing other characters\n\
+* [-]echoprt echo erased characters backward, between `\\' and '/'\n\
+ [-]icanon enable erase, kill, werase, and rprnt special characters\n\
+ [-]iexten enable non-POSIX special characters\n\
+ [-]isig enable interrupt, quit, and suspend special characters\n\
+ [-]noflsh disable flushing after interrupt and quit special characters\n\
+* [-]prterase same as [-]echoprt\n\
+* [-]tostop stop background jobs that try to write to the terminal\n\
+* [-]xcase with icanon, escape with `\\' for uppercase characters\n\
+");
+ printf ("\
+\n\
+Combination settings:\n\
+* [-]LCASE same as [-]lcase\n\
+ cbreak same as -icanon\n\
+ -cbreak same as icanon\n\
+ cooked same as brkint ignpar istrip icrnl ixon opost isig\n\
+ icanon, eof and eol characters to their default values\n\
+ -cooked same as raw\n\
+ crt same as echoe echoctl echoke\n\
+ dec same as echoe echoctl echoke -ixany intr ^c erase 0177\n\
+ kill ^u\n\
+* [-]decctlq same as [-]ixany\n\
+ ek erase and kill characters to their default values\n\
+ evenp same as parenb -parodd cs7\n\
+ -evenp same as -parenb cs8\n\
+* [-]lcase same as xcase iuclc olcuc\n\
+ litout same as -parenb -istrip -opost cs8\n\
+ -litout same as parenb istrip opost cs7\n\
+ nl same as -icrnl -onlcr\n\
+ -nl same as icrnl -inlcr -igncr onlcr -ocrnl -onlret\n\
+ oddp same as parenb parodd cs7\n\
+ -oddp same as -parenb cs8\n\
+ [-]parity same as [-]evenp\n\
+ pass8 same as -parenb -istrip cs8\n\
+ -pass8 same as parenb istrip cs7\n\
+ raw same as -ignbrk -brkint -ignpar -parmrk -inpck -istrip\n\
+ -inlcr -igncr -icrnl -ixon -ixoff -iuclc -ixany\n\
+ -imaxbel -opost -isig -icanon -xcase min 1 time 0\n\
+ -raw same as cooked\n\
+ sane same as cread -ignbrk brkint -inlcr -igncr icrnl\n\
+ -ixoff -iucl -ixany imaxbel opost -olcuc -ocrnl onlcr\n\
+ -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0\n\
+ isig icanon iexten echo echoe echok -echonl -noflsh\n\
+ -xcase -tostop -echoprt echoctl echoke, all special\n\
+ characters to their default values.\n\
+");
+ printf ("\
+\n\
+Handle the tty line connected to standard input. Without arguments,\n\
+prints baud rate, line discipline, and deviations from stty sane. In\n\
+settings, CHAR is taken literally, or coded as in ^c, 0x37, 0177 or\n\
+127; special values ^- or undef used to disable special characters.\n\
+");
+ }
+
+ exit (status);
}
void
}
if (show_help)
- usage ();
+ usage (0);
if (tcgetattr (0, &mode))
error (1, errno, "standard input");
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (optind < argc && !strcmp (argv[optind], "-"))
{
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [-flmp] [-c command] [-s shell] [--login] [--fast]\n\
- [--preserve-environment] [--command=command] [--shell=shell] [-]\n\
- [user [arg...]]\n", program_name);
- exit (1);
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [-] [USER [ARG]...]\n\
+",
+ program_name);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -l, --login make the shell a login shell\n\
+ -c, --commmand COMMAND pass a single COMMAND to the shell with -c\n\
+ -f, --fast pass -f to the shell (for csh or tcsh)\n\
+ -m, --preserve-environment do not reset environment variables\n\
+ -p same as -m\n\
+ -s, --shell SHELL run SHELL if /etc/shells allows it\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+A mere - implies -l. If USER not given, assume root.\n\
+");
+
+ exit (status);
}
};
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [{--help,--version}] [-ai] [--append]\n\
- [--ignore-interrupts] [file...]\n",
- program_name);
- exit (1);
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [FILE]...\n\
+",
+ program_name);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -a, --append append to the given FILEs, do not overwrite\n\
+ -i, --ignore-interrupts ignore interrupt signals\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+");
+
+ exit (status);
}
void
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (ignore_interrupts)
{
void parse_long_options ();
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "Usage: %s [{--help,--version}] [expr]\n",
- program_name);
- exit (1);
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s EXPRESSION\n\
+ or: [ EXPRESSION ]\n\
+ or: %s OPTION\n\
+",
+ program_name, program_name);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+ {
+ printf ("\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+EXPRESSION is true or false and sets exit status. It is one of:\n\
+");
+ printf ("\
+\n\
+ ( EXPRESSION ) EXPRESSION is true\n\
+ ! EXPRESSION EXPRESSION is false\n\
+ EXPRESSION1 -a EXPRESSION2 both EXPRESSION1 and EXPRESSION2 are true\n\
+ EXPRESSION1 -o EXPRESSION2 either EXPRESSION1 or EXPRESSION2 is true\n\
+\n\
+ [-n] STRING the length of STRING is non-zero\n\
+ -z STRING the length of STRING is zero\n\
+ STRING1 = STRING2 the strings are equal\n\
+ STRING1 != STRING2 the strings are not equal\n\
+\n\
+ INTEGER1 -eq INTEGER2 INTEGER1 is equal to INTEGER2\n\
+ INTEGER1 -ge INTEGER2 INTEGER1 is greater than or equal to INTEGER2\n\
+ INTEGER1 -gt INTEGER2 INTEGER1 is greater than INTEGER2\n\
+ INTEGER1 -le INTEGER2 INTEGER1 is less than or equal to INTEGER2\n\
+ INTEGER1 -lt INTEGER2 INTEGER1 is less than INTEGER2\n\
+ INTEGER1 -ne INTEGER2 INTEGER1 is not equal to INTEGER2\n\
+");
+ printf ("\
+\n\
+ FILE1 -ef FILE2 FILE1 and FILE2 have the same device and inode numbers\n\
+ FILE1 -nt FILE2 FILE1 is newer (modification date) than FILE2\n\
+ FILE1 -ot FILE2 FILE1 is older than FILE2\n\
+\n\
+ -G FILE FILE exists and is owned by the effective group ID\n\
+ -L FILE FILE exists and is a symbolic link\n\
+ -O FILE FILE exists and is owned by the effective user ID\n\
+ -S FILE FILE exists and is a socket\n\
+ -b FILE FILE exists and is block special\n\
+ -c FILE FILE exists and is character special\n\
+ -d FILE FILE exists and is a directory\n\
+ -e FILE FILE exists\n\
+ -f FILE FILE exists and is a regular file\n\
+ -g FILE FILE exists and is set-group-ID\n\
+ -k FILE FILE exists and has its sticky bit set\n\
+ -p FILE FILE exists and is a named pipe\n\
+ -r FILE FILE exists and is readable\n\
+ -s FILE FILE exists and has a size greater than zero\n\
+ -t standard output is opened on a terminal\n\
+ -t FD file descriptor FD is opened on a terminal\n\
+ -u FILE FILE exists and its set-user-ID bit is set\n\
+ -w FILE FILE exists and is writable\n\
+ -x FILE FILE exists and is executable\n\
+");
+ printf ("\
+\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+Beware that parentheses need to be escaped by backslashes for shells.\n\
+INTEGER may also be -l STRING, which evaluates to the length of STRING.\n\
+");
+ }
+
+ exit (status);
}
#endif /* TEST_STANDALONE */
break;
default:
- usage ();
+ usage (2);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (optind != argc)
- usage ();
+ usage (2);
tty = ttyname (0);
if (!silent)
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [-s] [--silent] [--quiet]\n", program_name);
- exit (2);
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]...\n\
+",
+ program_name);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -s, --silent, --quiet print nothing, only return an exit status\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+");
+
+ exit (status);
}
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (optind != argc)
- usage ();
+ usage (1);
if (toprint == 0)
toprint = PRINT_SYSNAME;
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [-snrvma] [--sysname] [--nodename] [--release] [--version]\n\
- [--machine] [--all]\n", program_name);
- exit (1);
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]...\n\
+",
+ program_name);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -a, --all print all information\n\
+ -m, --machine print the machine (hardware) type\n\
+ -n, --nodename print the machine's network node hostname\n\
+ -r, --release print the operating system release\n\
+ -s, --sysname print the operating system name\n\
+ -v print the operating system version\n\
+ --help display this help and exit\n\
+ --version output version information and exit\n\
+\n\
+Without any OPTION, assume -s.\n\
+");
+
+ exit (status);
}
break;
default:
- usage ();
+ usage (1);
}
}
}
if (show_help)
- usage ();
+ usage (0);
if (chdir ("/dev"))
error (1, errno, "cannot change directory to /dev");
break;
default: /* lose */
- usage ();
+ usage (1);
}
exit (0);
}
static void
-usage ()
+usage (status)
+ int status;
{
- fprintf (stderr, "\
-Usage: %s [-imqsuwHT] [--count] [--idle] [--heading] [--message] [--mesg]\n\
- [--writable] [file] [am i]\n",
+ fprintf (status == 0 ? stdout : stderr, "\
+Usage: %s [OPTION]... [ FILE | ARG1 ARG2 ]\n\
+",
program_name);
- exit (1);
+
+ if (status != 0)
+ fprintf (stderr, "\nTry `%s --help' for more information.\n",
+ program_name);
+ else
+
+ printf ("\
+\n\
+ -H, --heading print line of column headings\n\
+ -T, -w, --mesg add user's message status as +, - or ?\n\
+ -i, -u, --idle add user idle time as HOURS:MINUTES, . or old\n\
+ -m only hostname and user associated with stdin\n\
+ -q, --count all login names and number of users logged on\n\
+ -s (ignored)\n\
+ --help display this help and exit\n\
+ --message same as -T\n\
+ --version output version information and exit\n\
+ --writeable same as -T\n\
+\n\
+If FILE not given, uses /etc/utmp. /etc/wtmp as FILE is common.\n\
+If ARG1 ARG2 given, -m presumed: `am i' or `mom likes' are usual.\n\
+");
+
+ exit (status);
}
projects / platform / upstream / coreutils.git / commitdiff