Applied patch from Vladimir N. Oleynik that fixes incorrect behaviour in

recovery_mode and changed option processing.
This commit is contained in:
Mark Whitley 2001-03-02 20:00:54 +00:00
parent 42ab250709
commit 446dd27843
2 changed files with 596 additions and 492 deletions

View File

@ -24,10 +24,11 @@
David MacKenzie <djm@gnu.ai.mit.edu>
Special for busybox ported by vodz@usa.net 2001
Special for busybox ported by Vladimir Oleynik <vodz@usa.net> 2001
*/
//#define TEST
#include <termios.h>
#include <sys/ioctl.h>
@ -109,13 +110,13 @@
# define CSWTCH _POSIX_VDISABLE
#endif
#if defined(VWERSE) && !defined (VWERASE) /* AIX-3.2.5 */
#if defined(VWERSE) && !defined (VWERASE) /* AIX-3.2.5 */
# define VWERASE VWERSE
#endif
#if defined(VDSUSP) && !defined (CDSUSP)
# define CDSUSP Control ('y')
#endif
#if !defined(VREPRINT) && defined(VRPRNT) /* Irix 4.0.5 */
#if !defined(VREPRINT) && defined(VRPRNT) /* Irix 4.0.5 */
# define VREPRINT VRPRNT
#endif
#if defined(VREPRINT) && !defined(CRPRNT)
@ -130,16 +131,16 @@
#if defined(VDISCARD) && !defined(VFLUSHO)
# define VFLUSHO VDISCARD
#endif
#if defined(VFLUSH) && !defined(VFLUSHO) /* Ultrix 4.2 */
#if defined(VFLUSH) && !defined(VFLUSHO) /* Ultrix 4.2 */
# define VFLUSHO VFLUSH
#endif
#if defined(CTLECH) && !defined(ECHOCTL) /* Ultrix 4.3 */
#if defined(CTLECH) && !defined(ECHOCTL) /* Ultrix 4.3 */
# define ECHOCTL CTLECH
#endif
#if defined(TCTLECH) && !defined(ECHOCTL) /* Ultrix 4.2 */
#if defined(TCTLECH) && !defined(ECHOCTL) /* Ultrix 4.2 */
# define ECHOCTL TCTLECH
#endif
#if defined(CRTKIL) && !defined(ECHOKE) /* Ultrix 4.2 and 4.3 */
#if defined(CRTKIL) && !defined(ECHOKE) /* Ultrix 4.2 and 4.3 */
# define ECHOKE CRTKIL
#endif
#if defined(VFLUSHO) && !defined(CFLUSHO)
@ -156,7 +157,7 @@ enum speed_setting {
/* What to output and how. */
enum output_type {
changed, all, recoverable /* Default, -a, -g. */
changed, all, recoverable /* Default, -a, -g. */
};
/* Which member(s) of `struct termios' a mode uses. */
@ -165,191 +166,189 @@ enum mode_type {
};
static const char evenp[] = "evenp";
static const char raw[] = "raw";
static const char stty_min[] = "min";
static const char stty_time[] = "time";
static const char evenp [] = "evenp";
static const char raw [] = "raw";
static const char stty_min [] = "min";
static const char stty_time [] = "time";
static const char stty_swtch[] = "swtch";
static const char stty_eol[] = "eol";
static const char stty_eof[] = "eof";
static const char parity[] = "parity";
static const char stty_oddp[] = "oddp";
static const char stty_nl[] = "nl";
static const char stty_ek[] = "ek";
static const char stty_sane[] = "sane";
static const char cbreak[] = "cbreak";
static const char stty_eol [] = "eol";
static const char stty_eof [] = "eof";
static const char parity [] = "parity";
static const char stty_oddp [] = "oddp";
static const char stty_nl [] = "nl";
static const char stty_ek [] = "ek";
static const char stty_sane [] = "sane";
static const char cbreak [] = "cbreak";
static const char stty_pass8[] = "pass8";
static const char litout[] = "litout";
static const char cooked[] = "cooked";
static const char decctlq[] = "decctlq";
static const char stty_tabs[] = "tabs";
static const char litout [] = "litout";
static const char cooked [] = "cooked";
static const char decctlq [] = "decctlq";
static const char stty_tabs [] = "tabs";
static const char stty_lcase[] = "lcase";
static const char stty_LCASE[] = "LCASE";
static const char stty_crt[] = "crt";
static const char stty_dec[] = "dec";
static const char stty_crt [] = "crt";
static const char stty_dec [] = "dec";
/* Flags for `struct mode_info'. */
#define SANE_SET 1 /* Set in `sane' mode. */
#define SANE_UNSET 2 /* Unset in `sane' mode. */
#define REV 4 /* Can be turned off by prepending `-'. */
#define OMIT 8 /* Don't display value. */
#define SANE_SET 1 /* Set in `sane' mode. */
#define SANE_UNSET 2 /* Unset in `sane' mode. */
#define REV 4 /* Can be turned off by prepending `-'. */
#define OMIT 8 /* Don't display value. */
/* Each mode. */
struct mode_info {
const char *name; /* Name given on command line. */
enum mode_type type; /* Which structure element to change. */
char flags; /* Setting and display options. */
unsigned long bits; /* Bits to set for this mode. */
unsigned long mask; /* Other bits to turn off for this mode. */
const char *name; /* Name given on command line. */
enum mode_type type; /* Which structure element to change. */
char flags; /* Setting and display options. */
unsigned long bits; /* Bits to set for this mode. */
unsigned long mask; /* Other bits to turn off for this mode. */
};
static const struct mode_info mode_info[] = {
{"parenb", control, REV, PARENB, 0},
{"parodd", control, REV, PARODD, 0},
{"cs5", control, 0, CS5, CSIZE},
{"cs6", control, 0, CS6, CSIZE},
{"cs7", control, 0, CS7, CSIZE},
{"cs8", control, 0, CS8, CSIZE},
{"hupcl", control, REV, HUPCL, 0},
{"hup", control, REV | OMIT, HUPCL, 0},
{"cstopb", control, REV, CSTOPB, 0},
{"cread", control, SANE_SET | REV, CREAD, 0},
{"clocal", control, REV, CLOCAL, 0},
static const struct mode_info mode_info[] = {
{"parenb", control, REV, PARENB, 0 },
{"parodd", control, REV, PARODD, 0 },
{"cs5", control, 0, CS5, CSIZE},
{"cs6", control, 0, CS6, CSIZE},
{"cs7", control, 0, CS7, CSIZE},
{"cs8", control, 0, CS8, CSIZE},
{"hupcl", control, REV, HUPCL, 0 },
{"hup", control, REV | OMIT, HUPCL, 0 },
{"cstopb", control, REV, CSTOPB, 0 },
{"cread", control, SANE_SET | REV, CREAD, 0 },
{"clocal", control, REV, CLOCAL, 0 },
#ifdef CRTSCTS
{"crtscts", control, REV, CRTSCTS, 0},
{"crtscts", control, REV, CRTSCTS, 0 },
#endif
{"ignbrk", input, SANE_UNSET | REV, IGNBRK, 0},
{"brkint", input, SANE_SET | REV, BRKINT, 0},
{"ignpar", input, REV, IGNPAR, 0},
{"parmrk", input, REV, PARMRK, 0},
{"inpck", input, REV, INPCK, 0},
{"istrip", input, REV, ISTRIP, 0},
{"inlcr", input, SANE_UNSET | REV, INLCR, 0},
{"igncr", input, SANE_UNSET | REV, IGNCR, 0},
{"icrnl", input, SANE_SET | REV, ICRNL, 0},
{"ixon", input, REV, IXON, 0},
{"ixoff", input, SANE_UNSET | REV, IXOFF, 0},
{"tandem", input, REV | OMIT, IXOFF, 0},
{"ignbrk", input, SANE_UNSET | REV, IGNBRK, 0 },
{"brkint", input, SANE_SET | REV, BRKINT, 0 },
{"ignpar", input, REV, IGNPAR, 0 },
{"parmrk", input, REV, PARMRK, 0 },
{"inpck", input, REV, INPCK, 0 },
{"istrip", input, REV, ISTRIP, 0 },
{"inlcr", input, SANE_UNSET | REV, INLCR, 0 },
{"igncr", input, SANE_UNSET | REV, IGNCR, 0 },
{"icrnl", input, SANE_SET | REV, ICRNL, 0 },
{"ixon", input, REV, IXON, 0 },
{"ixoff", input, SANE_UNSET | REV, IXOFF, 0 },
{"tandem", input, REV | OMIT, IXOFF, 0 },
#ifdef IUCLC
{"iuclc", input, SANE_UNSET | REV, IUCLC, 0},
{"iuclc", input, SANE_UNSET | REV, IUCLC, 0 },
#endif
#ifdef IXANY
{"ixany", input, SANE_UNSET | REV, IXANY, 0},
{"ixany", input, SANE_UNSET | REV, IXANY, 0 },
#endif
#ifdef IMAXBEL
{"imaxbel", input, SANE_SET | REV, IMAXBEL, 0},
{"imaxbel", input, SANE_SET | REV, IMAXBEL, 0 },
#endif
{"opost", output, SANE_SET | REV, OPOST, 0},
{"opost", output, SANE_SET | REV, OPOST, 0 },
#ifdef OLCUC
{"olcuc", output, SANE_UNSET | REV, OLCUC, 0},
{"olcuc", output, SANE_UNSET | REV, OLCUC, 0 },
#endif
#ifdef OCRNL
{"ocrnl", output, SANE_UNSET | REV, OCRNL, 0},
{"ocrnl", output, SANE_UNSET | REV, OCRNL, 0 },
#endif
#ifdef ONLCR
{"onlcr", output, SANE_SET | REV, ONLCR, 0},
{"onlcr", output, SANE_SET | REV, ONLCR, 0 },
#endif
#ifdef ONOCR
{"onocr", output, SANE_UNSET | REV, ONOCR, 0},
{"onocr", output, SANE_UNSET | REV, ONOCR, 0 },
#endif
#ifdef ONLRET
{"onlret", output, SANE_UNSET | REV, ONLRET, 0},
{"onlret", output, SANE_UNSET | REV, ONLRET, 0 },
#endif
#ifdef OFILL
{"ofill", output, SANE_UNSET | REV, OFILL, 0},
{"ofill", output, SANE_UNSET | REV, OFILL, 0 },
#endif
#ifdef OFDEL
{"ofdel", output, SANE_UNSET | REV, OFDEL, 0},
{"ofdel", output, SANE_UNSET | REV, OFDEL, 0 },
#endif
#ifdef NLDLY
{"nl1", output, SANE_UNSET, NL1, NLDLY},
{"nl0", output, SANE_SET, NL0, NLDLY},
{"nl1", output, SANE_UNSET, NL1, NLDLY},
{"nl0", output, SANE_SET, NL0, NLDLY},
#endif
#ifdef CRDLY
{"cr3", output, SANE_UNSET, CR3, CRDLY},
{"cr2", output, SANE_UNSET, CR2, CRDLY},
{"cr1", output, SANE_UNSET, CR1, CRDLY},
{"cr0", output, SANE_SET, CR0, CRDLY},
{"cr3", output, SANE_UNSET, CR3, CRDLY},
{"cr2", output, SANE_UNSET, CR2, CRDLY},
{"cr1", output, SANE_UNSET, CR1, CRDLY},
{"cr0", output, SANE_SET, CR0, CRDLY},
#endif
#ifdef TABDLY
{"tab3", output, SANE_UNSET, TAB3, TABDLY},
{"tab2", output, SANE_UNSET, TAB2, TABDLY},
{"tab1", output, SANE_UNSET, TAB1, TABDLY},
{"tab0", output, SANE_SET, TAB0, TABDLY},
{"tab3", output, SANE_UNSET, TAB3, TABDLY},
{"tab2", output, SANE_UNSET, TAB2, TABDLY},
{"tab1", output, SANE_UNSET, TAB1, TABDLY},
{"tab0", output, SANE_SET, TAB0, TABDLY},
#else
# ifdef OXTABS
{"tab3", output, SANE_UNSET, OXTABS, 0},
{"tab3", output, SANE_UNSET, OXTABS, 0 },
# endif
#endif
#ifdef BSDLY
{"bs1", output, SANE_UNSET, BS1, BSDLY},
{"bs0", output, SANE_SET, BS0, BSDLY},
{"bs1", output, SANE_UNSET, BS1, BSDLY},
{"bs0", output, SANE_SET, BS0, BSDLY},
#endif
#ifdef VTDLY
{"vt1", output, SANE_UNSET, VT1, VTDLY},
{"vt0", output, SANE_SET, VT0, VTDLY},
{"vt1", output, SANE_UNSET, VT1, VTDLY},
{"vt0", output, SANE_SET, VT0, VTDLY},
#endif
#ifdef FFDLY
{"ff1", output, SANE_UNSET, FF1, FFDLY},
{"ff0", output, SANE_SET, FF0, FFDLY},
{"ff1", output, SANE_UNSET, FF1, FFDLY},
{"ff0", output, SANE_SET, FF0, FFDLY},
#endif
{"isig", local, SANE_SET | REV, ISIG, 0},
{"icanon", local, SANE_SET | REV, ICANON, 0},
{"isig", local, SANE_SET | REV, ISIG, 0 },
{"icanon", local, SANE_SET | REV, ICANON, 0 },
#ifdef IEXTEN
{"iexten", local, SANE_SET | REV, IEXTEN, 0},
{"iexten", local, SANE_SET | REV, IEXTEN, 0 },
#endif
{"echo", local, SANE_SET | REV, ECHO, 0},
{"echoe", local, SANE_SET | REV, ECHOE, 0},
{"crterase", local, REV | OMIT, ECHOE, 0},
{"echok", local, SANE_SET | REV, ECHOK, 0},
{"echonl", local, SANE_UNSET | REV, ECHONL, 0},
{"noflsh", local, SANE_UNSET | REV, NOFLSH, 0},
{"echo", local, SANE_SET | REV, ECHO, 0 },
{"echoe", local, SANE_SET | REV, ECHOE, 0 },
{"crterase", local, REV | OMIT, ECHOE, 0 },
{"echok", local, SANE_SET | REV, ECHOK, 0 },
{"echonl", local, SANE_UNSET | REV, ECHONL, 0 },
{"noflsh", local, SANE_UNSET | REV, NOFLSH, 0 },
#ifdef XCASE
{"xcase", local, SANE_UNSET | REV, XCASE, 0},
{"xcase", local, SANE_UNSET | REV, XCASE, 0 },
#endif
#ifdef TOSTOP
{"tostop", local, SANE_UNSET | REV, TOSTOP, 0},
{"tostop", local, SANE_UNSET | REV, TOSTOP, 0 },
#endif
#ifdef ECHOPRT
{"echoprt", local, SANE_UNSET | REV, ECHOPRT, 0},
{"prterase", local, REV | OMIT, ECHOPRT, 0},
{"echoprt", local, SANE_UNSET | REV, ECHOPRT, 0 },
{"prterase", local, REV | OMIT, ECHOPRT, 0 },
#endif
#ifdef ECHOCTL
{"echoctl", local, SANE_SET | REV, ECHOCTL, 0},
{"ctlecho", local, REV | OMIT, ECHOCTL, 0},
{"echoctl", local, SANE_SET | REV, ECHOCTL, 0 },
{"ctlecho", local, REV | OMIT, ECHOCTL, 0 },
#endif
#ifdef ECHOKE
{"echoke", local, SANE_SET | REV, ECHOKE, 0},
{"crtkill", local, REV | OMIT, ECHOKE, 0},
{"echoke", local, SANE_SET | REV, ECHOKE, 0 },
{"crtkill", local, REV | OMIT, ECHOKE, 0 },
#endif
{evenp, combination, REV | OMIT, 0, 0},
{parity, combination, REV | OMIT, 0, 0},
{stty_oddp, combination, REV | OMIT, 0, 0},
{stty_nl, combination, REV | OMIT, 0, 0},
{stty_ek, combination, OMIT, 0, 0},
{stty_sane, combination, OMIT, 0, 0},
{cooked, combination, REV | OMIT, 0, 0},
{raw, combination, REV | OMIT, 0, 0},
{stty_pass8, combination, REV | OMIT, 0, 0},
{litout, combination, REV | OMIT, 0, 0},
{cbreak, combination, REV | OMIT, 0, 0},
{evenp, combination, REV | OMIT, 0, 0 },
{parity, combination, REV | OMIT, 0, 0 },
{stty_oddp, combination, REV | OMIT, 0, 0 },
{stty_nl, combination, REV | OMIT, 0, 0 },
{stty_ek, combination, OMIT, 0, 0 },
{stty_sane, combination, OMIT, 0, 0 },
{cooked, combination, REV | OMIT, 0, 0 },
{raw, combination, REV | OMIT, 0, 0 },
{stty_pass8, combination, REV | OMIT, 0, 0 },
{litout, combination, REV | OMIT, 0, 0 },
{cbreak, combination, REV | OMIT, 0, 0 },
#ifdef IXANY
{decctlq, combination, REV | OMIT, 0, 0},
{decctlq, combination, REV | OMIT, 0, 0 },
#endif
#if defined (TABDLY) || defined (OXTABS)
{stty_tabs, combination, REV | OMIT, 0, 0},
{stty_tabs, combination, REV | OMIT, 0, 0 },
#endif
#if defined(XCASE) && defined(IUCLC) && defined(OLCUC)
{stty_lcase, combination, REV | OMIT, 0, 0},
{stty_LCASE, combination, REV | OMIT, 0, 0},
{stty_lcase, combination, REV | OMIT, 0, 0 },
{stty_LCASE, combination, REV | OMIT, 0, 0 },
#endif
{stty_crt, combination, OMIT, 0, 0},
{stty_dec, combination, OMIT, 0, 0},
{stty_crt, combination, OMIT, 0, 0 },
{stty_dec, combination, OMIT, 0, 0 },
};
static const int NUM_mode_info =
@ -358,83 +357,81 @@ static const int NUM_mode_info =
/* Control character settings. */
struct control_info {
const char *name; /* Name given on command line. */
unsigned char saneval; /* Value to set for `stty sane'. */
int offset; /* Offset in c_cc. */
const char *name; /* Name given on command line. */
unsigned char saneval; /* Value to set for `stty sane'. */
int offset; /* Offset in c_cc. */
};
/* Control characters. */
static const struct control_info control_info[] = {
{"intr", CINTR, VINTR},
{"quit", CQUIT, VQUIT},
{"erase", CERASE, VERASE},
{"kill", CKILL, VKILL},
{stty_eof, CEOF, VEOF},
{stty_eol, CEOL, VEOL},
static const struct control_info control_info[] = {
{"intr", CINTR, VINTR},
{"quit", CQUIT, VQUIT},
{"erase", CERASE, VERASE},
{"kill", CKILL, VKILL},
{stty_eof, CEOF, VEOF},
{stty_eol, CEOL, VEOL},
#ifdef VEOL2
{"eol2", CEOL2, VEOL2},
{"eol2", CEOL2, VEOL2},
#endif
#ifdef VSWTCH
{stty_swtch, CSWTCH, VSWTCH},
{stty_swtch, CSWTCH, VSWTCH},
#endif
{"start", CSTART, VSTART},
{"stop", CSTOP, VSTOP},
{"susp", CSUSP, VSUSP},
{"start", CSTART, VSTART},
{"stop", CSTOP, VSTOP},
{"susp", CSUSP, VSUSP},
#ifdef VDSUSP
{"dsusp", CDSUSP, VDSUSP},
{"dsusp", CDSUSP, VDSUSP},
#endif
#ifdef VREPRINT
{"rprnt", CRPRNT, VREPRINT},
{"rprnt", CRPRNT, VREPRINT},
#endif
#ifdef VWERASE
{"werase", CWERASE, VWERASE},
{"werase", CWERASE, VWERASE},
#endif
#ifdef VLNEXT
{"lnext", CLNEXT, VLNEXT},
{"lnext", CLNEXT, VLNEXT},
#endif
#ifdef VFLUSHO
{"flush", CFLUSHO, VFLUSHO},
{"flush", CFLUSHO, VFLUSHO},
#endif
#ifdef VSTATUS
{"status", CSTATUS, VSTATUS},
{"status", CSTATUS, VSTATUS},
#endif
/* These must be last because of the display routines. */
{stty_min, 1, VMIN},
{stty_time, 0, VTIME},
{stty_min, 1, VMIN},
{stty_time, 0, VTIME},
};
static const int NUM_control_info =
(sizeof(control_info) / sizeof(struct control_info));
static const char *visible(unsigned int ch);
static const char * visible(unsigned int ch);
static unsigned long baud_to_value(speed_t speed);
static int recover_mode(char *arg, struct termios *mode);
static int screen_columns(void);
static int set_mode(const struct mode_info *info,
int reversed, struct termios *mode);
static speed_t string_to_baud(const char *arg);
static tcflag_t *mode_type_flag(enum mode_type type, struct termios *mode);
static void display_all(struct termios *mode, int fd,
const char *device_name);
static void display_changed(struct termios *mode);
static void display_recoverable(struct termios *mode);
static void display_settings(enum output_type output_type,
struct termios *mode, int fd,
const char *device_name);
static void display_speed(struct termios *mode, int fancy);
static void display_window_size(int fancy, int fd,
const char *device_name);
static void sane_mode(struct termios *mode);
static void set_control_char(const struct control_info *info,
const char *arg, struct termios *mode);
static void set_speed(enum speed_setting type,
const char *arg, struct termios *mode);
static void set_window_size(int rows, int cols, int fd,
const char *device_name);
static int recover_mode(char *arg, struct termios *mode);
static int screen_columns(void);
static int set_mode(const struct mode_info *info,
int reversed, struct termios *mode);
static speed_t string_to_baud(const char *arg);
static tcflag_t* mode_type_flag(enum mode_type type, struct termios *mode);
static void display_all(struct termios *mode, int fd,
const char *device_name);
static void display_changed(struct termios *mode);
static void display_recoverable(struct termios *mode);
static void display_settings(enum output_type output_type,
struct termios *mode, int fd,
const char *device_name);
static void display_speed(struct termios *mode, int fancy);
static void display_window_size(int fancy, int fd,
const char *device_name);
static void sane_mode(struct termios *mode);
static void set_control_char(const struct control_info *info,
const char *arg, struct termios *mode);
static void set_speed(enum speed_setting type,
const char *arg, struct termios *mode);
static void set_window_size(int rows, int cols, int fd,
const char *device_name);
/* The width of the screen, for output wrapping. */
static int max_col;
@ -449,7 +446,7 @@ static int current_col;
static void wrapf(const char *message, ...)
{
va_list args;
char buf[1024]; /* Plenty long for our needs. */
char buf[1024]; /* Plenty long for our needs. */
int buflen;
va_start(args, message);
@ -469,25 +466,29 @@ static void wrapf(const char *message, ...)
}
static const struct suffix_mult stty_suffixes[] = {
{"b", 512},
{"k", 1024},
{"B", 1024},
{NULL, 0}
{"b", 512 },
{"k", 1024},
{"B", 1024},
{NULL, 0 }
};
#ifndef TEST
extern int stty_main(int argc, char **argv)
#else
extern int main(int argc, char **argv)
#endif
{
struct termios mode;
enum output_type output_type;
int optc;
int require_set_attr;
int speed_was_set;
int verbose_output;
int recoverable_output;
int k;
int noargs = 1;
char *file_name = NULL;
int fd;
enum output_type output_type;
int optc;
int require_set_attr;
int speed_was_set;
int verbose_output;
int recoverable_output;
int k;
int noargs = 1;
char * file_name = NULL;
int fd;
const char *device_name;
output_type = changed;
@ -515,7 +516,7 @@ extern int stty_main(int argc, char **argv)
file_name = optarg;
break;
default: /* unrecognized option */
default: /* unrecognized option */
noargs = 0;
break;
}
@ -581,43 +582,39 @@ extern int stty_main(int argc, char **argv)
++argv[k];
reversed = 1;
}
for (i = 0; i < NUM_mode_info; ++i) {
for (i = 0; i < NUM_mode_info; ++i)
if (STREQ(argv[k], mode_info[i].name)) {
match_found = set_mode(&mode_info[i], reversed, &mode);
require_set_attr = 1;
break;
}
}
if (match_found == 0 && reversed) {
if (match_found == 0 && reversed)
error_msg_and_die("invalid argument `%s'", --argv[k]);
}
if (match_found == 0) {
for (i = 0; i < NUM_control_info; ++i) {
if (match_found == 0)
for (i = 0; i < NUM_control_info; ++i)
if (STREQ(argv[k], control_info[i].name)) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
match_found = 1;
++k;
set_control_char(&control_info[i], argv[k], &mode);
require_set_attr = 1;
break;
}
}
}
if (match_found == 0) {
if (STREQ(argv[k], "ispeed")) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
++k;
set_speed(input_speed, argv[k], &mode);
speed_was_set = 1;
require_set_attr = 1;
} else if (STREQ(argv[k], "ospeed")) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
++k;
set_speed(output_speed, argv[k], &mode);
speed_was_set = 1;
@ -625,20 +622,18 @@ extern int stty_main(int argc, char **argv)
}
#ifdef TIOCGWINSZ
else if (STREQ(argv[k], "rows")) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
++k;
set_window_size((int) parse_number(argv[k], stty_suffixes),
-1, fd, device_name);
} else if (STREQ(argv[k], "cols") || STREQ(argv[k], "columns")) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
++k;
set_window_size(-1,
(int) parse_number(argv[k], stty_suffixes),
fd, device_name);
(int) parse_number(argv[k], stty_suffixes),
fd, device_name);
} else if (STREQ(argv[k], "size")) {
max_col = screen_columns();
current_col = 0;
@ -647,9 +642,8 @@ extern int stty_main(int argc, char **argv)
#endif
#ifdef HAVE_C_LINE
else if (STREQ(argv[k], "line")) {
if (k == argc - 1) {
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
}
++k;
mode.c_line = parse_number(argv[k], stty_suffixes);
require_set_attr = 1;
@ -658,16 +652,14 @@ extern int stty_main(int argc, char **argv)
else if (STREQ(argv[k], "speed")) {
max_col = screen_columns();
display_speed(&mode, 0);
} else if (string_to_baud(argv[k]) != (speed_t) - 1) {
} else if (recover_mode(argv[k], &mode) == 1)
require_set_attr = 1;
else if (string_to_baud(argv[k]) != (speed_t) - 1) {
set_speed(both_speeds, argv[k], &mode);
speed_was_set = 1;
require_set_attr = 1;
} else {
if (recover_mode(argv[k], &mode) == 0) {
error_msg_and_die("invalid argument `%s'", argv[k]);
}
require_set_attr = 1;
}
} else
error_msg_and_die("invalid argument `%s'", argv[k]);
}
k++;
}
@ -712,21 +704,8 @@ extern int stty_main(int argc, char **argv)
new_mode.c_cflag &= (~CIBAUD);
if (speed_was_set || memcmp(&mode, &new_mode, sizeof(mode)) != 0)
#endif
{
error_msg_and_die ("%s: unable to perform all requested operations",
device_name);
#ifdef TESTING
{
size_t i;
printf("new_mode: mode\n");
for (i = 0; i < sizeof(new_mode); i++)
printf("0x%02x: 0x%02x\n",
*(((unsigned char *) &new_mode) + i),
*(((unsigned char *) &mode) + i));
}
#endif
}
}
}
@ -882,9 +861,9 @@ set_mode(const struct mode_info *info, int reversed, struct termios *mode)
#endif
;
else if (info->name == stty_dec) {
mode->c_cc[VINTR] = 3; /* ^C */
mode->c_cc[VERASE] = 127; /* DEL */
mode->c_cc[VKILL] = 21; /* ^U */
mode->c_cc[VINTR] = 3; /* ^C */
mode->c_cc[VERASE] = 127; /* DEL */
mode->c_cc[VKILL] = 21; /* ^U */
mode->c_lflag |= ECHOE
#ifdef ECHOCTL
| ECHOCTL
@ -917,11 +896,11 @@ set_control_char(const struct control_info *info, const char *arg,
value = arg[0];
else if (STREQ(arg, "^-") || STREQ(arg, "undef"))
value = _POSIX_VDISABLE;
else if (arg[0] == '^' && arg[1] != '\0') { /* Ignore any trailing junk. */
else if (arg[0] == '^' && arg[1] != '\0') { /* Ignore any trailing junk. */
if (arg[1] == '?')
value = 127;
else
value = arg[1] & ~0140; /* Non-letters get weird results. */
value = arg[1] & ~0140; /* Non-letters get weird results. */
} else
value = parse_number(arg, stty_suffixes);
mode->c_cc[info->offset] = value;
@ -1047,7 +1026,7 @@ static tcflag_t *mode_type_flag(enum mode_type type, struct termios *mode)
case local:
return &mode->c_lflag;
default: /* combination: */
default: /* combination: */
return NULL;
}
}
@ -1262,8 +1241,8 @@ static int recover_mode(char *arg, struct termios *mode)
}
struct speed_map {
speed_t speed; /* Internal form. */
unsigned long value; /* Numeric value. */
speed_t speed; /* Internal form. */
unsigned long value; /* Numeric value. */
};
static const struct speed_map speeds[] = {
@ -1382,6 +1361,79 @@ static const char *visible(unsigned int ch)
return (const char *) buf;
}
#ifdef TEST
unsigned long parse_number(const char *numstr,
const struct suffix_mult *suffixes)
{
const struct suffix_mult *sm;
unsigned long int ret;
int len;
char *end;
ret = strtoul(numstr, &end, 10);
if (numstr == end)
error_msg_and_die("invalid number `%s'", numstr);
while (end[0] != '\0') {
sm = suffixes;
while ( sm != 0 ) {
if(sm->suffix) {
len = strlen(sm->suffix);
if (strncmp(sm->suffix, end, len) == 0) {
ret *= sm->mult;
end += len;
break;
}
sm++;
} else
sm = 0;
}
if (sm == 0)
error_msg_and_die("invalid number `%s'", numstr);
}
return ret;
}
const char *applet_name = "stty";
static void verror_msg(const char *s, va_list p)
{
fflush(stdout);
fprintf(stderr, "%s: ", applet_name);
vfprintf(stderr, s, p);
}
extern void error_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
verror_msg(s, p);
va_end(p);
putc('\n', stderr);
exit(EXIT_FAILURE);
}
static void vperror_msg(const char *s, va_list p)
{
int err=errno;
verror_msg(s, p);
if (*s) s = ": ";
fprintf(stderr, "%s%s\n", s, strerror(err));
}
extern void perror_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
vperror_msg(s, p);
va_end(p);
exit(EXIT_FAILURE);
}
#endif
/*
Local Variables:
c-file-style: "linux"

544
stty.c
View File

@ -24,10 +24,11 @@
David MacKenzie <djm@gnu.ai.mit.edu>
Special for busybox ported by vodz@usa.net 2001
Special for busybox ported by Vladimir Oleynik <vodz@usa.net> 2001
*/
//#define TEST
#include <termios.h>
#include <sys/ioctl.h>
@ -109,13 +110,13 @@
# define CSWTCH _POSIX_VDISABLE
#endif
#if defined(VWERSE) && !defined (VWERASE) /* AIX-3.2.5 */
#if defined(VWERSE) && !defined (VWERASE) /* AIX-3.2.5 */
# define VWERASE VWERSE
#endif
#if defined(VDSUSP) && !defined (CDSUSP)
# define CDSUSP Control ('y')
#endif
#if !defined(VREPRINT) && defined(VRPRNT) /* Irix 4.0.5 */
#if !defined(VREPRINT) && defined(VRPRNT) /* Irix 4.0.5 */
# define VREPRINT VRPRNT
#endif
#if defined(VREPRINT) && !defined(CRPRNT)
@ -130,16 +131,16 @@
#if defined(VDISCARD) && !defined(VFLUSHO)
# define VFLUSHO VDISCARD
#endif
#if defined(VFLUSH) && !defined(VFLUSHO) /* Ultrix 4.2 */
#if defined(VFLUSH) && !defined(VFLUSHO) /* Ultrix 4.2 */
# define VFLUSHO VFLUSH
#endif
#if defined(CTLECH) && !defined(ECHOCTL) /* Ultrix 4.3 */
#if defined(CTLECH) && !defined(ECHOCTL) /* Ultrix 4.3 */
# define ECHOCTL CTLECH
#endif
#if defined(TCTLECH) && !defined(ECHOCTL) /* Ultrix 4.2 */
#if defined(TCTLECH) && !defined(ECHOCTL) /* Ultrix 4.2 */
# define ECHOCTL TCTLECH
#endif
#if defined(CRTKIL) && !defined(ECHOKE) /* Ultrix 4.2 and 4.3 */
#if defined(CRTKIL) && !defined(ECHOKE) /* Ultrix 4.2 and 4.3 */
# define ECHOKE CRTKIL
#endif
#if defined(VFLUSHO) && !defined(CFLUSHO)
@ -156,7 +157,7 @@ enum speed_setting {
/* What to output and how. */
enum output_type {
changed, all, recoverable /* Default, -a, -g. */
changed, all, recoverable /* Default, -a, -g. */
};
/* Which member(s) of `struct termios' a mode uses. */
@ -165,191 +166,189 @@ enum mode_type {
};
static const char evenp[] = "evenp";
static const char raw[] = "raw";
static const char stty_min[] = "min";
static const char stty_time[] = "time";
static const char evenp [] = "evenp";
static const char raw [] = "raw";
static const char stty_min [] = "min";
static const char stty_time [] = "time";
static const char stty_swtch[] = "swtch";
static const char stty_eol[] = "eol";
static const char stty_eof[] = "eof";
static const char parity[] = "parity";
static const char stty_oddp[] = "oddp";
static const char stty_nl[] = "nl";
static const char stty_ek[] = "ek";
static const char stty_sane[] = "sane";
static const char cbreak[] = "cbreak";
static const char stty_eol [] = "eol";
static const char stty_eof [] = "eof";
static const char parity [] = "parity";
static const char stty_oddp [] = "oddp";
static const char stty_nl [] = "nl";
static const char stty_ek [] = "ek";
static const char stty_sane [] = "sane";
static const char cbreak [] = "cbreak";
static const char stty_pass8[] = "pass8";
static const char litout[] = "litout";
static const char cooked[] = "cooked";
static const char decctlq[] = "decctlq";
static const char stty_tabs[] = "tabs";
static const char litout [] = "litout";
static const char cooked [] = "cooked";
static const char decctlq [] = "decctlq";
static const char stty_tabs [] = "tabs";
static const char stty_lcase[] = "lcase";
static const char stty_LCASE[] = "LCASE";
static const char stty_crt[] = "crt";
static const char stty_dec[] = "dec";
static const char stty_crt [] = "crt";
static const char stty_dec [] = "dec";
/* Flags for `struct mode_info'. */
#define SANE_SET 1 /* Set in `sane' mode. */
#define SANE_UNSET 2 /* Unset in `sane' mode. */
#define REV 4 /* Can be turned off by prepending `-'. */
#define OMIT 8 /* Don't display value. */
#define SANE_SET 1 /* Set in `sane' mode. */
#define SANE_UNSET 2 /* Unset in `sane' mode. */
#define REV 4 /* Can be turned off by prepending `-'. */
#define OMIT 8 /* Don't display value. */
/* Each mode. */
struct mode_info {
const char *name; /* Name given on command line. */
enum mode_type type; /* Which structure element to change. */
char flags; /* Setting and display options. */
unsigned long bits; /* Bits to set for this mode. */
unsigned long mask; /* Other bits to turn off for this mode. */
const char *name; /* Name given on command line. */
enum mode_type type; /* Which structure element to change. */
char flags; /* Setting and display options. */
unsigned long bits; /* Bits to set for this mode. */
unsigned long mask; /* Other bits to turn off for this mode. */
};
static const struct mode_info mode_info[] = {
{"parenb", control, REV, PARENB, 0},
{"parodd", control, REV, PARODD, 0},
{"cs5", control, 0, CS5, CSIZE},
{"cs6", control, 0, CS6, CSIZE},
{"cs7", control, 0, CS7, CSIZE},
{"cs8", control, 0, CS8, CSIZE},
{"hupcl", control, REV, HUPCL, 0},
{"hup", control, REV | OMIT, HUPCL, 0},
{"cstopb", control, REV, CSTOPB, 0},
{"cread", control, SANE_SET | REV, CREAD, 0},
{"clocal", control, REV, CLOCAL, 0},
static const struct mode_info mode_info[] = {
{"parenb", control, REV, PARENB, 0 },
{"parodd", control, REV, PARODD, 0 },
{"cs5", control, 0, CS5, CSIZE},
{"cs6", control, 0, CS6, CSIZE},
{"cs7", control, 0, CS7, CSIZE},
{"cs8", control, 0, CS8, CSIZE},
{"hupcl", control, REV, HUPCL, 0 },
{"hup", control, REV | OMIT, HUPCL, 0 },
{"cstopb", control, REV, CSTOPB, 0 },
{"cread", control, SANE_SET | REV, CREAD, 0 },
{"clocal", control, REV, CLOCAL, 0 },
#ifdef CRTSCTS
{"crtscts", control, REV, CRTSCTS, 0},
{"crtscts", control, REV, CRTSCTS, 0 },
#endif
{"ignbrk", input, SANE_UNSET | REV, IGNBRK, 0},
{"brkint", input, SANE_SET | REV, BRKINT, 0},
{"ignpar", input, REV, IGNPAR, 0},
{"parmrk", input, REV, PARMRK, 0},
{"inpck", input, REV, INPCK, 0},
{"istrip", input, REV, ISTRIP, 0},
{"inlcr", input, SANE_UNSET | REV, INLCR, 0},
{"igncr", input, SANE_UNSET | REV, IGNCR, 0},
{"icrnl", input, SANE_SET | REV, ICRNL, 0},
{"ixon", input, REV, IXON, 0},
{"ixoff", input, SANE_UNSET | REV, IXOFF, 0},
{"tandem", input, REV | OMIT, IXOFF, 0},
{"ignbrk", input, SANE_UNSET | REV, IGNBRK, 0 },
{"brkint", input, SANE_SET | REV, BRKINT, 0 },
{"ignpar", input, REV, IGNPAR, 0 },
{"parmrk", input, REV, PARMRK, 0 },
{"inpck", input, REV, INPCK, 0 },
{"istrip", input, REV, ISTRIP, 0 },
{"inlcr", input, SANE_UNSET | REV, INLCR, 0 },
{"igncr", input, SANE_UNSET | REV, IGNCR, 0 },
{"icrnl", input, SANE_SET | REV, ICRNL, 0 },
{"ixon", input, REV, IXON, 0 },
{"ixoff", input, SANE_UNSET | REV, IXOFF, 0 },
{"tandem", input, REV | OMIT, IXOFF, 0 },
#ifdef IUCLC
{"iuclc", input, SANE_UNSET | REV, IUCLC, 0},
{"iuclc", input, SANE_UNSET | REV, IUCLC, 0 },
#endif
#ifdef IXANY
{"ixany", input, SANE_UNSET | REV, IXANY, 0},
{"ixany", input, SANE_UNSET | REV, IXANY, 0 },
#endif
#ifdef IMAXBEL
{"imaxbel", input, SANE_SET | REV, IMAXBEL, 0},
{"imaxbel", input, SANE_SET | REV, IMAXBEL, 0 },
#endif
{"opost", output, SANE_SET | REV, OPOST, 0},
{"opost", output, SANE_SET | REV, OPOST, 0 },
#ifdef OLCUC
{"olcuc", output, SANE_UNSET | REV, OLCUC, 0},
{"olcuc", output, SANE_UNSET | REV, OLCUC, 0 },
#endif
#ifdef OCRNL
{"ocrnl", output, SANE_UNSET | REV, OCRNL, 0},
{"ocrnl", output, SANE_UNSET | REV, OCRNL, 0 },
#endif
#ifdef ONLCR
{"onlcr", output, SANE_SET | REV, ONLCR, 0},
{"onlcr", output, SANE_SET | REV, ONLCR, 0 },
#endif
#ifdef ONOCR
{"onocr", output, SANE_UNSET | REV, ONOCR, 0},
{"onocr", output, SANE_UNSET | REV, ONOCR, 0 },
#endif
#ifdef ONLRET
{"onlret", output, SANE_UNSET | REV, ONLRET, 0},
{"onlret", output, SANE_UNSET | REV, ONLRET, 0 },
#endif
#ifdef OFILL
{"ofill", output, SANE_UNSET | REV, OFILL, 0},
{"ofill", output, SANE_UNSET | REV, OFILL, 0 },
#endif
#ifdef OFDEL
{"ofdel", output, SANE_UNSET | REV, OFDEL, 0},
{"ofdel", output, SANE_UNSET | REV, OFDEL, 0 },
#endif
#ifdef NLDLY
{"nl1", output, SANE_UNSET, NL1, NLDLY},
{"nl0", output, SANE_SET, NL0, NLDLY},
{"nl1", output, SANE_UNSET, NL1, NLDLY},
{"nl0", output, SANE_SET, NL0, NLDLY},
#endif
#ifdef CRDLY
{"cr3", output, SANE_UNSET, CR3, CRDLY},
{"cr2", output, SANE_UNSET, CR2, CRDLY},
{"cr1", output, SANE_UNSET, CR1, CRDLY},
{"cr0", output, SANE_SET, CR0, CRDLY},
{"cr3", output, SANE_UNSET, CR3, CRDLY},
{"cr2", output, SANE_UNSET, CR2, CRDLY},
{"cr1", output, SANE_UNSET, CR1, CRDLY},
{"cr0", output, SANE_SET, CR0, CRDLY},
#endif
#ifdef TABDLY
{"tab3", output, SANE_UNSET, TAB3, TABDLY},
{"tab2", output, SANE_UNSET, TAB2, TABDLY},
{"tab1", output, SANE_UNSET, TAB1, TABDLY},
{"tab0", output, SANE_SET, TAB0, TABDLY},
{"tab3", output, SANE_UNSET, TAB3, TABDLY},
{"tab2", output, SANE_UNSET, TAB2, TABDLY},
{"tab1", output, SANE_UNSET, TAB1, TABDLY},
{"tab0", output, SANE_SET, TAB0, TABDLY},
#else
# ifdef OXTABS
{"tab3", output, SANE_UNSET, OXTABS, 0},
{"tab3", output, SANE_UNSET, OXTABS, 0 },
# endif
#endif
#ifdef BSDLY
{"bs1", output, SANE_UNSET, BS1, BSDLY},
{"bs0", output, SANE_SET, BS0, BSDLY},
{"bs1", output, SANE_UNSET, BS1, BSDLY},
{"bs0", output, SANE_SET, BS0, BSDLY},
#endif
#ifdef VTDLY
{"vt1", output, SANE_UNSET, VT1, VTDLY},
{"vt0", output, SANE_SET, VT0, VTDLY},
{"vt1", output, SANE_UNSET, VT1, VTDLY},
{"vt0", output, SANE_SET, VT0, VTDLY},
#endif
#ifdef FFDLY
{"ff1", output, SANE_UNSET, FF1, FFDLY},
{"ff0", output, SANE_SET, FF0, FFDLY},
{"ff1", output, SANE_UNSET, FF1, FFDLY},
{"ff0", output, SANE_SET, FF0, FFDLY},
#endif
{"isig", local, SANE_SET | REV, ISIG, 0},
{"icanon", local, SANE_SET | REV, ICANON, 0},
{"isig", local, SANE_SET | REV, ISIG, 0 },
{"icanon", local, SANE_SET | REV, ICANON, 0 },
#ifdef IEXTEN
{"iexten", local, SANE_SET | REV, IEXTEN, 0},
{"iexten", local, SANE_SET | REV, IEXTEN, 0 },
#endif
{"echo", local, SANE_SET | REV, ECHO, 0},
{"echoe", local, SANE_SET | REV, ECHOE, 0},
{"crterase", local, REV | OMIT, ECHOE, 0},
{"echok", local, SANE_SET | REV, ECHOK, 0},
{"echonl", local, SANE_UNSET | REV, ECHONL, 0},
{"noflsh", local, SANE_UNSET | REV, NOFLSH, 0},
{"echo", local, SANE_SET | REV, ECHO, 0 },
{"echoe", local, SANE_SET | REV, ECHOE, 0 },
{"crterase", local, REV | OMIT, ECHOE, 0 },
{"echok", local, SANE_SET | REV, ECHOK, 0 },
{"echonl", local, SANE_UNSET | REV, ECHONL, 0 },
{"noflsh", local, SANE_UNSET | REV, NOFLSH, 0 },
#ifdef XCASE
{"xcase", local, SANE_UNSET | REV, XCASE, 0},
{"xcase", local, SANE_UNSET | REV, XCASE, 0 },
#endif
#ifdef TOSTOP
{"tostop", local, SANE_UNSET | REV, TOSTOP, 0},
{"tostop", local, SANE_UNSET | REV, TOSTOP, 0 },
#endif
#ifdef ECHOPRT
{"echoprt", local, SANE_UNSET | REV, ECHOPRT, 0},
{"prterase", local, REV | OMIT, ECHOPRT, 0},
{"echoprt", local, SANE_UNSET | REV, ECHOPRT, 0 },
{"prterase", local, REV | OMIT, ECHOPRT, 0 },
#endif
#ifdef ECHOCTL
{"echoctl", local, SANE_SET | REV, ECHOCTL, 0},
{"ctlecho", local, REV | OMIT, ECHOCTL, 0},
{"echoctl", local, SANE_SET | REV, ECHOCTL, 0 },
{"ctlecho", local, REV | OMIT, ECHOCTL, 0 },
#endif
#ifdef ECHOKE
{"echoke", local, SANE_SET | REV, ECHOKE, 0},
{"crtkill", local, REV | OMIT, ECHOKE, 0},
{"echoke", local, SANE_SET | REV, ECHOKE, 0 },
{"crtkill", local, REV | OMIT, ECHOKE, 0 },
#endif
{evenp, combination, REV | OMIT, 0, 0},
{parity, combination, REV | OMIT, 0, 0},
{stty_oddp, combination, REV | OMIT, 0, 0},
{stty_nl, combination, REV | OMIT, 0, 0},
{stty_ek, combination, OMIT, 0, 0},
{stty_sane, combination, OMIT, 0, 0},
{cooked, combination, REV | OMIT, 0, 0},
{raw, combination, REV | OMIT, 0, 0},
{stty_pass8, combination, REV | OMIT, 0, 0},
{litout, combination, REV | OMIT, 0, 0},
{cbreak, combination, REV | OMIT, 0, 0},
{evenp, combination, REV | OMIT, 0, 0 },
{parity, combination, REV | OMIT, 0, 0 },
{stty_oddp, combination, REV | OMIT, 0, 0 },
{stty_nl, combination, REV | OMIT, 0, 0 },
{stty_ek, combination, OMIT, 0, 0 },
{stty_sane, combination, OMIT, 0, 0 },
{cooked, combination, REV | OMIT, 0, 0 },
{raw, combination, REV | OMIT, 0, 0 },
{stty_pass8, combination, REV | OMIT, 0, 0 },
{litout, combination, REV | OMIT, 0, 0 },
{cbreak, combination, REV | OMIT, 0, 0 },
#ifdef IXANY
{decctlq, combination, REV | OMIT, 0, 0},
{decctlq, combination, REV | OMIT, 0, 0 },
#endif
#if defined (TABDLY) || defined (OXTABS)
{stty_tabs, combination, REV | OMIT, 0, 0},
{stty_tabs, combination, REV | OMIT, 0, 0 },
#endif
#if defined(XCASE) && defined(IUCLC) && defined(OLCUC)
{stty_lcase, combination, REV | OMIT, 0, 0},
{stty_LCASE, combination, REV | OMIT, 0, 0},
{stty_lcase, combination, REV | OMIT, 0, 0 },
{stty_LCASE, combination, REV | OMIT, 0, 0 },
#endif
{stty_crt, combination, OMIT, 0, 0},
{stty_dec, combination, OMIT, 0, 0},
{stty_crt, combination, OMIT, 0, 0 },
{stty_dec, combination, OMIT, 0, 0 },
};
static const int NUM_mode_info =
@ -358,83 +357,81 @@ static const int NUM_mode_info =
/* Control character settings. */
struct control_info {
const char *name; /* Name given on command line. */
unsigned char saneval; /* Value to set for `stty sane'. */
int offset; /* Offset in c_cc. */
const char *name; /* Name given on command line. */
unsigned char saneval; /* Value to set for `stty sane'. */
int offset; /* Offset in c_cc. */
};
/* Control characters. */
static const struct control_info control_info[] = {
{"intr", CINTR, VINTR},
{"quit", CQUIT, VQUIT},
{"erase", CERASE, VERASE},
{"kill", CKILL, VKILL},
{stty_eof, CEOF, VEOF},
{stty_eol, CEOL, VEOL},
static const struct control_info control_info[] = {
{"intr", CINTR, VINTR},
{"quit", CQUIT, VQUIT},
{"erase", CERASE, VERASE},
{"kill", CKILL, VKILL},
{stty_eof, CEOF, VEOF},
{stty_eol, CEOL, VEOL},
#ifdef VEOL2
{"eol2", CEOL2, VEOL2},
{"eol2", CEOL2, VEOL2},
#endif
#ifdef VSWTCH
{stty_swtch, CSWTCH, VSWTCH},
{stty_swtch, CSWTCH, VSWTCH},
#endif
{"start", CSTART, VSTART},
{"stop", CSTOP, VSTOP},
{"susp", CSUSP, VSUSP},
{"start", CSTART, VSTART},
{"stop", CSTOP, VSTOP},
{"susp", CSUSP, VSUSP},
#ifdef VDSUSP
{"dsusp", CDSUSP, VDSUSP},
{"dsusp", CDSUSP, VDSUSP},
#endif
#ifdef VREPRINT
{"rprnt", CRPRNT, VREPRINT},
{"rprnt", CRPRNT, VREPRINT},
#endif
#ifdef VWERASE
{"werase", CWERASE, VWERASE},
{"werase", CWERASE, VWERASE},
#endif
#ifdef VLNEXT
{"lnext", CLNEXT, VLNEXT},
{"lnext", CLNEXT, VLNEXT},
#endif
#ifdef VFLUSHO
{"flush", CFLUSHO, VFLUSHO},
{"flush", CFLUSHO, VFLUSHO},
#endif
#ifdef VSTATUS
{"status", CSTATUS, VSTATUS},
{"status", CSTATUS, VSTATUS},
#endif
/* These must be last because of the display routines. */
{stty_min, 1, VMIN},
{stty_time, 0, VTIME},
{stty_min, 1, VMIN},
{stty_time, 0, VTIME},
};
static const int NUM_control_info =
(sizeof(control_info) / sizeof(struct control_info));
static const char *visible(unsigned int ch);
static const char * visible(unsigned int ch);
static unsigned long baud_to_value(speed_t speed);
static int recover_mode(char *arg, struct termios *mode);
static int screen_columns(void);
static int set_mode(const struct mode_info *info,
int reversed, struct termios *mode);
static speed_t string_to_baud(const char *arg);
static tcflag_t *mode_type_flag(enum mode_type type, struct termios *mode);
static void display_all(struct termios *mode, int fd,
const char *device_name);
static void display_changed(struct termios *mode);
static void display_recoverable(struct termios *mode);
static void display_settings(enum output_type output_type,
struct termios *mode, int fd,
const char *device_name);
static void display_speed(struct termios *mode, int fancy);
static void display_window_size(int fancy, int fd,
const char *device_name);
static void sane_mode(struct termios *mode);
static void set_control_char(const struct control_info *info,
const char *arg, struct termios *mode);
static void set_speed(enum speed_setting type,
const char *arg, struct termios *mode);
static void set_window_size(int rows, int cols, int fd,
const char *device_name);
static int recover_mode(char *arg, struct termios *mode);
static int screen_columns(void);
static int set_mode(const struct mode_info *info,
int reversed, struct termios *mode);
static speed_t string_to_baud(const char *arg);
static tcflag_t* mode_type_flag(enum mode_type type, struct termios *mode);
static void display_all(struct termios *mode, int fd,
const char *device_name);
static void display_changed(struct termios *mode);
static void display_recoverable(struct termios *mode);
static void display_settings(enum output_type output_type,
struct termios *mode, int fd,
const char *device_name);
static void display_speed(struct termios *mode, int fancy);
static void display_window_size(int fancy, int fd,
const char *device_name);
static void sane_mode(struct termios *mode);
static void set_control_char(const struct control_info *info,
const char *arg, struct termios *mode);
static void set_speed(enum speed_setting type,
const char *arg, struct termios *mode);
static void set_window_size(int rows, int cols, int fd,
const char *device_name);
/* The width of the screen, for output wrapping. */
static int max_col;
@ -449,7 +446,7 @@ static int current_col;
static void wrapf(const char *message, ...)
{
va_list args;
char buf[1024]; /* Plenty long for our needs. */
char buf[1024]; /* Plenty long for our needs. */
int buflen;
va_start(args, message);
@ -469,25 +466,29 @@ static void wrapf(const char *message, ...)
}
static const struct suffix_mult stty_suffixes[] = {
{"b", 512},
{"k", 1024},
{"B", 1024},
{NULL, 0}
{"b", 512 },
{"k", 1024},
{"B", 1024},
{NULL, 0 }
};
#ifndef TEST
extern int stty_main(int argc, char **argv)
#else
extern int main(int argc, char **argv)
#endif
{
struct termios mode;
enum output_type output_type;
int optc;
int require_set_attr;
int speed_was_set;
int verbose_output;
int recoverable_output;
int k;
int noargs = 1;
char *file_name = NULL;
int fd;
enum output_type output_type;
int optc;
int require_set_attr;
int speed_was_set;
int verbose_output;
int recoverable_output;
int k;
int noargs = 1;
char * file_name = NULL;
int fd;
const char *device_name;
output_type = changed;
@ -515,7 +516,7 @@ extern int stty_main(int argc, char **argv)
file_name = optarg;
break;
default: /* unrecognized option */
default: /* unrecognized option */
noargs = 0;
break;
}
@ -581,43 +582,39 @@ extern int stty_main(int argc, char **argv)
++argv[k];
reversed = 1;
}
for (i = 0; i < NUM_mode_info; ++i) {
for (i = 0; i < NUM_mode_info; ++i)
if (STREQ(argv[k], mode_info[i].name)) {
match_found = set_mode(&mode_info[i], reversed, &mode);
require_set_attr = 1;
break;
}
}
if (match_found == 0 && reversed) {
if (match_found == 0 && reversed)
error_msg_and_die("invalid argument `%s'", --argv[k]);
}
if (match_found == 0) {
for (i = 0; i < NUM_control_info; ++i) {
if (match_found == 0)
for (i = 0; i < NUM_control_info; ++i)
if (STREQ(argv[k], control_info[i].name)) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
match_found = 1;
++k;
set_control_char(&control_info[i], argv[k], &mode);
require_set_attr = 1;
break;
}
}
}
if (match_found == 0) {
if (STREQ(argv[k], "ispeed")) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
++k;
set_speed(input_speed, argv[k], &mode);
speed_was_set = 1;
require_set_attr = 1;
} else if (STREQ(argv[k], "ospeed")) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
++k;
set_speed(output_speed, argv[k], &mode);
speed_was_set = 1;
@ -625,20 +622,18 @@ extern int stty_main(int argc, char **argv)
}
#ifdef TIOCGWINSZ
else if (STREQ(argv[k], "rows")) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
++k;
set_window_size((int) parse_number(argv[k], stty_suffixes),
-1, fd, device_name);
} else if (STREQ(argv[k], "cols") || STREQ(argv[k], "columns")) {
if (k == argc - 1) {
error_msg_and_die("missing argument to `%s'", argv[k]);
}
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
++k;
set_window_size(-1,
(int) parse_number(argv[k], stty_suffixes),
fd, device_name);
(int) parse_number(argv[k], stty_suffixes),
fd, device_name);
} else if (STREQ(argv[k], "size")) {
max_col = screen_columns();
current_col = 0;
@ -647,9 +642,8 @@ extern int stty_main(int argc, char **argv)
#endif
#ifdef HAVE_C_LINE
else if (STREQ(argv[k], "line")) {
if (k == argc - 1) {
if (k == argc - 1)
error_msg_and_die("missing argument to `%s'", argv[k]);
}
++k;
mode.c_line = parse_number(argv[k], stty_suffixes);
require_set_attr = 1;
@ -658,16 +652,14 @@ extern int stty_main(int argc, char **argv)
else if (STREQ(argv[k], "speed")) {
max_col = screen_columns();
display_speed(&mode, 0);
} else if (string_to_baud(argv[k]) != (speed_t) - 1) {
} else if (recover_mode(argv[k], &mode) == 1)
require_set_attr = 1;
else if (string_to_baud(argv[k]) != (speed_t) - 1) {
set_speed(both_speeds, argv[k], &mode);
speed_was_set = 1;
require_set_attr = 1;
} else {
if (recover_mode(argv[k], &mode) == 0) {
error_msg_and_die("invalid argument `%s'", argv[k]);
}
require_set_attr = 1;
}
} else
error_msg_and_die("invalid argument `%s'", argv[k]);
}
k++;
}
@ -712,21 +704,8 @@ extern int stty_main(int argc, char **argv)
new_mode.c_cflag &= (~CIBAUD);
if (speed_was_set || memcmp(&mode, &new_mode, sizeof(mode)) != 0)
#endif
{
error_msg_and_die ("%s: unable to perform all requested operations",
device_name);
#ifdef TESTING
{
size_t i;
printf("new_mode: mode\n");
for (i = 0; i < sizeof(new_mode); i++)
printf("0x%02x: 0x%02x\n",
*(((unsigned char *) &new_mode) + i),
*(((unsigned char *) &mode) + i));
}
#endif
}
}
}
@ -882,9 +861,9 @@ set_mode(const struct mode_info *info, int reversed, struct termios *mode)
#endif
;
else if (info->name == stty_dec) {
mode->c_cc[VINTR] = 3; /* ^C */
mode->c_cc[VERASE] = 127; /* DEL */
mode->c_cc[VKILL] = 21; /* ^U */
mode->c_cc[VINTR] = 3; /* ^C */
mode->c_cc[VERASE] = 127; /* DEL */
mode->c_cc[VKILL] = 21; /* ^U */
mode->c_lflag |= ECHOE
#ifdef ECHOCTL
| ECHOCTL
@ -917,11 +896,11 @@ set_control_char(const struct control_info *info, const char *arg,
value = arg[0];
else if (STREQ(arg, "^-") || STREQ(arg, "undef"))
value = _POSIX_VDISABLE;
else if (arg[0] == '^' && arg[1] != '\0') { /* Ignore any trailing junk. */
else if (arg[0] == '^' && arg[1] != '\0') { /* Ignore any trailing junk. */
if (arg[1] == '?')
value = 127;
else
value = arg[1] & ~0140; /* Non-letters get weird results. */
value = arg[1] & ~0140; /* Non-letters get weird results. */
} else
value = parse_number(arg, stty_suffixes);
mode->c_cc[info->offset] = value;
@ -1047,7 +1026,7 @@ static tcflag_t *mode_type_flag(enum mode_type type, struct termios *mode)
case local:
return &mode->c_lflag;
default: /* combination: */
default: /* combination: */
return NULL;
}
}
@ -1262,8 +1241,8 @@ static int recover_mode(char *arg, struct termios *mode)
}
struct speed_map {
speed_t speed; /* Internal form. */
unsigned long value; /* Numeric value. */
speed_t speed; /* Internal form. */
unsigned long value; /* Numeric value. */
};
static const struct speed_map speeds[] = {
@ -1382,6 +1361,79 @@ static const char *visible(unsigned int ch)
return (const char *) buf;
}
#ifdef TEST
unsigned long parse_number(const char *numstr,
const struct suffix_mult *suffixes)
{
const struct suffix_mult *sm;
unsigned long int ret;
int len;
char *end;
ret = strtoul(numstr, &end, 10);
if (numstr == end)
error_msg_and_die("invalid number `%s'", numstr);
while (end[0] != '\0') {
sm = suffixes;
while ( sm != 0 ) {
if(sm->suffix) {
len = strlen(sm->suffix);
if (strncmp(sm->suffix, end, len) == 0) {
ret *= sm->mult;
end += len;
break;
}
sm++;
} else
sm = 0;
}
if (sm == 0)
error_msg_and_die("invalid number `%s'", numstr);
}
return ret;
}
const char *applet_name = "stty";
static void verror_msg(const char *s, va_list p)
{
fflush(stdout);
fprintf(stderr, "%s: ", applet_name);
vfprintf(stderr, s, p);
}
extern void error_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
verror_msg(s, p);
va_end(p);
putc('\n', stderr);
exit(EXIT_FAILURE);
}
static void vperror_msg(const char *s, va_list p)
{
int err=errno;
verror_msg(s, p);
if (*s) s = ": ";
fprintf(stderr, "%s%s\n", s, strerror(err));
}
extern void perror_msg_and_die(const char *s, ...)
{
va_list p;
va_start(p, s);
vperror_msg(s, p);
va_end(p);
exit(EXIT_FAILURE);
}
#endif
/*
Local Variables:
c-file-style: "linux"