static tcflag_t *get_ptr_to_tcflag(unsigned type, const struct termios *mode)
{
static const uint8_t tcflag_offsets[] ALIGN1 = {
offsetof(struct termios, c_cflag), /* control */
offsetof(struct termios, c_iflag), /* input */
offsetof(struct termios, c_oflag), /* output */
offsetof(struct termios, c_lflag) /* local */
};
if (type <= local) {
return (tcflag_t*) (((char*)mode) + tcflag_offsets[type]);
}
return NULL;
}
/* 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 */
/* Each mode.
* This structure should be kept as small as humanly possible.
*/
struct mode_info {
const uint8_t type; /* Which structure element to change */
const uint8_t flags; /* Setting and display options */
/* only these values are ever used, so... */
#if (CSIZE | NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY) < 0x100
const uint8_t mask;
#elif (CSIZE | NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY) < 0x10000
const uint16_t mask;
#else
const tcflag_t mask; /* Other bits to turn off for this mode */
#endif
/* was using short here, but ppc32 was unhappy */
const tcflag_t bits; /* Bits to set for this mode */
};
enum {
/* Must match mode_name[] and mode_info[] order! */
IDX_evenp = 0,
IDX_parity,
IDX_oddp,
IDX_nl,
IDX_ek,
IDX_sane,
IDX_cooked,
IDX_raw,
IDX_pass8,
IDX_litout,
IDX_cbreak,
IDX_crt,
IDX_dec,
#if IXANY
IDX_decctlq,
#endif
#if TABDLY || OXTABS
IDX_tabs,
#endif
#if XCASE && IUCLC && OLCUC
IDX_lcase,
IDX_LCASE,
#endif
};
#define MI_ENTRY(N,T,F,B,M) N "\0"
/* Mode names given on command line */
static const char mode_name[] =
MI_ENTRY("evenp", combination, REV | OMIT, 0, 0 )
MI_ENTRY("parity", combination, REV | OMIT, 0, 0 )
MI_ENTRY("oddp", combination, REV | OMIT, 0, 0 )
MI_ENTRY("nl", combination, REV | OMIT, 0, 0 )
MI_ENTRY("ek", combination, OMIT, 0, 0 )
MI_ENTRY("sane", combination, OMIT, 0, 0 )
MI_ENTRY("cooked", combination, REV | OMIT, 0, 0 )
MI_ENTRY("raw", combination, REV | OMIT, 0, 0 )
MI_ENTRY("pass8", combination, REV | OMIT, 0, 0 )
MI_ENTRY("litout", combination, REV | OMIT, 0, 0 )
MI_ENTRY("cbreak", combination, REV | OMIT, 0, 0 )
MI_ENTRY("crt", combination, OMIT, 0, 0 )
MI_ENTRY("dec", combination, OMIT, 0, 0 )
#if IXANY
MI_ENTRY("decctlq", combination, REV | OMIT, 0, 0 )
#endif
#if TABDLY || OXTABS
MI_ENTRY("tabs", combination, REV | OMIT, 0, 0 )
#endif
#if XCASE && IUCLC && OLCUC
MI_ENTRY("lcase", combination, REV | OMIT, 0, 0 )
MI_ENTRY("LCASE", combination, REV | OMIT, 0, 0 )
#endif
MI_ENTRY("parenb", control, REV, PARENB, 0 )
MI_ENTRY("parodd", control, REV, PARODD, 0 )
MI_ENTRY("cs5", control, 0, CS5, CSIZE)
MI_ENTRY("cs6", control, 0, CS6, CSIZE)
MI_ENTRY("cs7", control, 0, CS7, CSIZE)
MI_ENTRY("cs8", control, 0, CS8, CSIZE)
MI_ENTRY("hupcl", control, REV, HUPCL, 0 )
MI_ENTRY("hup", control, REV | OMIT, HUPCL, 0 )
MI_ENTRY("cstopb", control, REV, CSTOPB, 0 )
MI_ENTRY("cread", control, SANE_SET | REV, CREAD, 0 )
MI_ENTRY("clocal", control, REV, CLOCAL, 0 )
#if CRTSCTS
MI_ENTRY("crtscts", control, REV, CRTSCTS, 0 )
#endif
MI_ENTRY("ignbrk", input, SANE_UNSET | REV, IGNBRK, 0 )
MI_ENTRY("brkint", input, SANE_SET | REV, BRKINT, 0 )
MI_ENTRY("ignpar", input, REV, IGNPAR, 0 )
MI_ENTRY("parmrk", input, REV, PARMRK, 0 )
MI_ENTRY("inpck", input, REV, INPCK, 0 )
MI_ENTRY("istrip", input, REV, ISTRIP, 0 )
MI_ENTRY("inlcr", input, SANE_UNSET | REV, INLCR, 0 )
MI_ENTRY("igncr", input, SANE_UNSET | REV, IGNCR, 0 )
MI_ENTRY("icrnl", input, SANE_SET | REV, ICRNL, 0 )
MI_ENTRY("ixon", input, REV, IXON, 0 )
MI_ENTRY("ixoff", input, SANE_UNSET | REV, IXOFF, 0 )
MI_ENTRY("tandem", input, OMIT | REV, IXOFF, 0 )
#if IUCLC
MI_ENTRY("iuclc", input, SANE_UNSET | REV, IUCLC, 0 )
#endif
#if IXANY
MI_ENTRY("ixany", input, SANE_UNSET | REV, IXANY, 0 )
#endif
#if IMAXBEL
MI_ENTRY("imaxbel", input, SANE_SET | REV, IMAXBEL, 0 )
#endif
#if IUTF8
MI_ENTRY("iutf8", input, SANE_UNSET | REV, IUTF8, 0 )
#endif
MI_ENTRY("opost", output, SANE_SET | REV, OPOST, 0 )
#if OLCUC
MI_ENTRY("olcuc", output, SANE_UNSET | REV, OLCUC, 0 )
#endif
#if OCRNL
MI_ENTRY("ocrnl", output, SANE_UNSET | REV, OCRNL, 0 )
#endif
#if ONLCR
MI_ENTRY("onlcr", output, SANE_SET | REV, ONLCR, 0 )
#endif
#if ONOCR
MI_ENTRY("onocr", output, SANE_UNSET | REV, ONOCR, 0 )
#endif
#if ONLRET
MI_ENTRY("onlret", output, SANE_UNSET | REV, ONLRET, 0 )
#endif
#if OFILL
MI_ENTRY("ofill", output, SANE_UNSET | REV, OFILL, 0 )
#endif
#if OFDEL
MI_ENTRY("ofdel", output, SANE_UNSET | REV, OFDEL, 0 )
#endif
#if NLDLY
MI_ENTRY("nl1", output, SANE_UNSET, NL1, NLDLY)
MI_ENTRY("nl0", output, SANE_SET, NL0, NLDLY)
#endif
#if CRDLY
MI_ENTRY("cr3", output, SANE_UNSET, CR3, CRDLY)
MI_ENTRY("cr2", output, SANE_UNSET, CR2, CRDLY)
MI_ENTRY("cr1", output, SANE_UNSET, CR1, CRDLY)
MI_ENTRY("cr0", output, SANE_SET, CR0, CRDLY)
#endif
#if TABDLY
MI_ENTRY("tab3", output, SANE_UNSET, TAB3, TABDLY)
# if TAB2
MI_ENTRY("tab2", output, SANE_UNSET, TAB2, TABDLY)
# endif
# if TAB1
MI_ENTRY("tab1", output, SANE_UNSET, TAB1, TABDLY)
# endif
MI_ENTRY("tab0", output, SANE_SET, TAB0, TABDLY)
#else
# if OXTABS
MI_ENTRY("tab3", output, SANE_UNSET, OXTABS, 0 )
# endif
#endif
#if BSDLY
MI_ENTRY("bs1", output, SANE_UNSET, BS1, BSDLY)
MI_ENTRY("bs0", output, SANE_SET, BS0, BSDLY)
#endif
#if VTDLY
MI_ENTRY("vt1", output, SANE_UNSET, VT1, VTDLY)
MI_ENTRY("vt0", output, SANE_SET, VT0, VTDLY)
#endif
#if FFDLY
MI_ENTRY("ff1", output, SANE_UNSET, FF1, FFDLY)
MI_ENTRY("ff0", output, SANE_SET, FF0, FFDLY)
#endif
MI_ENTRY("isig", local, SANE_SET | REV, ISIG, 0 )
MI_ENTRY("icanon", local, SANE_SET | REV, ICANON, 0 )
#if IEXTEN
MI_ENTRY("iexten", local, SANE_SET | REV, IEXTEN, 0 )
#endif
MI_ENTRY("echo", local, SANE_SET | REV, ECHO, 0 )
MI_ENTRY("echoe", local, SANE_SET | REV, ECHOE, 0 )
MI_ENTRY("crterase", local, OMIT | REV, ECHOE, 0 )
MI_ENTRY("echok", local, SANE_SET | REV, ECHOK, 0 )
MI_ENTRY("echonl", local, SANE_UNSET | REV, ECHONL, 0 )
MI_ENTRY("noflsh", local, SANE_UNSET | REV, NOFLSH, 0 )
#if XCASE
MI_ENTRY("xcase", local, SANE_UNSET | REV, XCASE, 0 )
#endif
#if TOSTOP
MI_ENTRY("tostop", local, SANE_UNSET | REV, TOSTOP, 0 )
#endif
#if ECHOPRT
MI_ENTRY("echoprt", local, SANE_UNSET | REV, ECHOPRT, 0 )
MI_ENTRY("prterase", local, OMIT | REV, ECHOPRT, 0 )
#endif
#if ECHOCTL
MI_ENTRY("echoctl", local, SANE_SET | REV, ECHOCTL, 0 )
MI_ENTRY("ctlecho", local, OMIT | REV, ECHOCTL, 0 )
#endif
#if ECHOKE
MI_ENTRY("echoke", local, SANE_SET | REV, ECHOKE, 0 )
MI_ENTRY("crtkill", local, OMIT | REV, ECHOKE, 0 )
#endif
;
#undef MI_ENTRY
#define MI_ENTRY(N,T,F,B,M) { T, F, M, B },
static const struct mode_info mode_info[] = {
/* This should be verbatim cut-n-paste copy of the above MI_ENTRYs */
MI_ENTRY("evenp", combination, REV | OMIT, 0, 0 )
MI_ENTRY("parity", combination, REV | OMIT, 0, 0 )
MI_ENTRY("oddp", combination, REV | OMIT, 0, 0 )
MI_ENTRY("nl", combination, REV | OMIT, 0, 0 )
MI_ENTRY("ek", combination, OMIT, 0, 0 )
MI_ENTRY("sane", combination, OMIT, 0, 0 )
MI_ENTRY("cooked", combination, REV | OMIT, 0, 0 )
MI_ENTRY("raw", combination, REV | OMIT, 0, 0 )
MI_ENTRY("pass8", combination, REV | OMIT, 0, 0 )
MI_ENTRY("litout", combination, REV | OMIT, 0, 0 )
MI_ENTRY("cbreak", combination, REV | OMIT, 0, 0 )
MI_ENTRY("crt", combination, OMIT, 0, 0 )
MI_ENTRY("dec", combination, OMIT, 0, 0 )
#if IXANY
MI_ENTRY("decctlq", combination, REV | OMIT, 0, 0 )
#endif
#if TABDLY || OXTABS
MI_ENTRY("tabs", combination, REV | OMIT, 0, 0 )
#endif
#if XCASE && IUCLC && OLCUC
MI_ENTRY("lcase", combination, REV | OMIT, 0, 0 )
MI_ENTRY("LCASE", combination, REV | OMIT, 0, 0 )
#endif
MI_ENTRY("parenb", control, REV, PARENB, 0 )
MI_ENTRY("parodd", control, REV, PARODD, 0 )
MI_ENTRY("cs5", control, 0, CS5, CSIZE)
MI_ENTRY("cs6", control, 0, CS6, CSIZE)
MI_ENTRY("cs7", control, 0, CS7, CSIZE)
MI_ENTRY("cs8", control, 0, CS8, CSIZE)
MI_ENTRY("hupcl", control, REV, HUPCL, 0 )
MI_ENTRY("hup", control, REV | OMIT, HUPCL, 0 )
MI_ENTRY("cstopb", control, REV, CSTOPB, 0 )
MI_ENTRY("cread", control, SANE_SET | REV, CREAD, 0 )
MI_ENTRY("clocal", control, REV, CLOCAL, 0 )
#if CRTSCTS
MI_ENTRY("crtscts", control, REV, CRTSCTS, 0 )
#endif
MI_ENTRY("ignbrk", input, SANE_UNSET | REV, IGNBRK, 0 )
MI_ENTRY("brkint", input, SANE_SET | REV, BRKINT, 0 )
MI_ENTRY("ignpar", input, REV, IGNPAR, 0 )
MI_ENTRY("parmrk", input, REV, PARMRK, 0 )
MI_ENTRY("inpck", input, REV, INPCK, 0 )
MI_ENTRY("istrip", input, REV, ISTRIP, 0 )
MI_ENTRY("inlcr", input, SANE_UNSET | REV, INLCR, 0 )
MI_ENTRY("igncr", input, SANE_UNSET | REV, IGNCR, 0 )
MI_ENTRY("icrnl", input, SANE_SET | REV, ICRNL, 0 )
MI_ENTRY("ixon", input, REV, IXON, 0 )
MI_ENTRY("ixoff", input, SANE_UNSET | REV, IXOFF, 0 )
MI_ENTRY("tandem", input, OMIT | REV, IXOFF, 0 )
#if IUCLC
MI_ENTRY("iuclc", input, SANE_UNSET | REV, IUCLC, 0 )
#endif
#if IXANY
MI_ENTRY("ixany", input, SANE_UNSET | REV, IXANY, 0 )
#endif
#if IMAXBEL
MI_ENTRY("imaxbel", input, SANE_SET | REV, IMAXBEL, 0 )
#endif
#if IUTF8
MI_ENTRY("iutf8", input, SANE_UNSET | REV, IUTF8, 0 )
#endif
MI_ENTRY("opost", output, SANE_SET | REV, OPOST, 0 )
#if OLCUC
MI_ENTRY("olcuc", output, SANE_UNSET | REV, OLCUC, 0 )
#endif
#if OCRNL
MI_ENTRY("ocrnl", output, SANE_UNSET | REV, OCRNL, 0 )
#endif
#if ONLCR
MI_ENTRY("onlcr", output, SANE_SET | REV, ONLCR, 0 )
#endif
#if ONOCR
MI_ENTRY("onocr", output, SANE_UNSET | REV, ONOCR, 0 )
#endif
#if ONLRET
MI_ENTRY("onlret", output, SANE_UNSET | REV, ONLRET, 0 )
#endif
#if OFILL
MI_ENTRY("ofill", output, SANE_UNSET | REV, OFILL, 0 )
#endif
#if OFDEL
MI_ENTRY("ofdel", output, SANE_UNSET | REV, OFDEL, 0 )
#endif
#if NLDLY
MI_ENTRY("nl1", output, SANE_UNSET, NL1, NLDLY)
MI_ENTRY("nl0", output, SANE_SET, NL0, NLDLY)
#endif
#if CRDLY
MI_ENTRY("cr3", output, SANE_UNSET, CR3, CRDLY)
MI_ENTRY("cr2", output, SANE_UNSET, CR2, CRDLY)
MI_ENTRY("cr1", output, SANE_UNSET, CR1, CRDLY)
MI_ENTRY("cr0", output, SANE_SET, CR0, CRDLY)
#endif
#if TABDLY
MI_ENTRY("tab3", output, SANE_UNSET, TAB3, TABDLY)
# if TAB2
MI_ENTRY("tab2", output, SANE_UNSET, TAB2, TABDLY)
# endif
# if TAB1
MI_ENTRY("tab1", output, SANE_UNSET, TAB1, TABDLY)
# endif
MI_ENTRY("tab0", output, SANE_SET, TAB0, TABDLY)
#else
# if OXTABS
MI_ENTRY("tab3", output, SANE_UNSET, OXTABS, 0 )
# endif
#endif
#if BSDLY
MI_ENTRY("bs1", output, SANE_UNSET, BS1, BSDLY)
MI_ENTRY("bs0", output, SANE_SET, BS0, BSDLY)
#endif
#if VTDLY
MI_ENTRY("vt1", output, SANE_UNSET, VT1, VTDLY)
MI_ENTRY("vt0", output, SANE_SET, VT0, VTDLY)
#endif
#if FFDLY
MI_ENTRY("ff1", output, SANE_UNSET, FF1, FFDLY)
MI_ENTRY("ff0", output, SANE_SET, FF0, FFDLY)
#endif
MI_ENTRY("isig", local, SANE_SET | REV, ISIG, 0 )
MI_ENTRY("icanon", local, SANE_SET | REV, ICANON, 0 )
#if IEXTEN
MI_ENTRY("iexten", local, SANE_SET | REV, IEXTEN, 0 )
#endif
MI_ENTRY("echo", local, SANE_SET | REV, ECHO, 0 )
MI_ENTRY("echoe", local, SANE_SET | REV, ECHOE, 0 )
MI_ENTRY("crterase", local, OMIT | REV, ECHOE, 0 )
MI_ENTRY("echok", local, SANE_SET | REV, ECHOK, 0 )
MI_ENTRY("echonl", local, SANE_UNSET | REV, ECHONL, 0 )
MI_ENTRY("noflsh", local, SANE_UNSET | REV, NOFLSH, 0 )
#if XCASE
MI_ENTRY("xcase", local, SANE_UNSET | REV, XCASE, 0 )
#endif
#if TOSTOP
MI_ENTRY("tostop", local, SANE_UNSET | REV, TOSTOP, 0 )
#endif
#if ECHOPRT
MI_ENTRY("echoprt", local, SANE_UNSET | REV, ECHOPRT, 0 )
MI_ENTRY("prterase", local, OMIT | REV, ECHOPRT, 0 )
#endif
#if ECHOCTL
MI_ENTRY("echoctl", local, SANE_SET | REV, ECHOCTL, 0 )
MI_ENTRY("ctlecho", local, OMIT | REV, ECHOCTL, 0 )
#endif
#if ECHOKE
MI_ENTRY("echoke", local, SANE_SET | REV, ECHOKE, 0 )
MI_ENTRY("crtkill", local, OMIT | REV, ECHOKE, 0 )
#endif
};
enum {
NUM_mode_info = ARRAY_SIZE(mode_info)
};
/* Control characters */
struct control_info {
const uint8_t saneval; /* Value to set for 'stty sane' */
const uint8_t offset; /* Offset in c_cc */
};
enum {
/* Must match control_name[] and control_info[] order! */
CIDX_intr = 0,
CIDX_quit,
CIDX_erase,
CIDX_kill,
CIDX_eof,
CIDX_eol,
#if VEOL2
CIDX_eol2,
#endif
#if VSWTCH
CIDX_swtch,
#endif
CIDX_start,
CIDX_stop,
CIDX_susp,
#if VDSUSP
CIDX_dsusp,
#endif
#if VREPRINT
CIDX_rprnt,
#endif
#if VWERASE
CIDX_werase,
#endif
#if VLNEXT
CIDX_lnext,
#endif
#if VFLUSHO
CIDX_flush,
#endif
#if VSTATUS
CIDX_status,
#endif
CIDX_min,
CIDX_time,
};
#define CI_ENTRY(n,s,o) n "\0"
/* Name given on command line */
static const char control_name[] =
CI_ENTRY("intr", CINTR, VINTR )
CI_ENTRY("quit", CQUIT, VQUIT )
CI_ENTRY("erase", CERASE, VERASE )
CI_ENTRY("kill", CKILL, VKILL )
CI_ENTRY("eof", CEOF, VEOF )
CI_ENTRY("eol", CEOL, VEOL )
#if VEOL2
CI_ENTRY("eol2", CEOL2, VEOL2 )
#endif
#if VSWTCH
CI_ENTRY("swtch", CSWTCH, VSWTCH )
#endif
CI_ENTRY("start", CSTART, VSTART )
CI_ENTRY("stop", CSTOP, VSTOP )
CI_ENTRY("susp", CSUSP, VSUSP )
#if VDSUSP
CI_ENTRY("dsusp", CDSUSP, VDSUSP )
#endif
#if VREPRINT
CI_ENTRY("rprnt", CRPRNT, VREPRINT)
#endif
#if VWERASE
CI_ENTRY("werase", CWERASE, VWERASE )
#endif
#if VLNEXT
CI_ENTRY("lnext", CLNEXT, VLNEXT )
#endif
#if VFLUSHO
CI_ENTRY("flush", CFLUSHO, VFLUSHO )
#endif
#if VSTATUS
CI_ENTRY("status", CSTATUS, VSTATUS )
#endif
/* These must be last because of the display routines */
CI_ENTRY("min", 1, VMIN )
CI_ENTRY("time", 0, VTIME )
;
#undef CI_ENTRY
#define CI_ENTRY(n,s,o) { s, o },
static const struct control_info control_info[] = {
/* This should be verbatim cut-n-paste copy of the above CI_ENTRYs */
CI_ENTRY("intr", CINTR, VINTR )
CI_ENTRY("quit", CQUIT, VQUIT )
CI_ENTRY("erase", CERASE, VERASE )
CI_ENTRY("kill", CKILL, VKILL )
CI_ENTRY("eof", CEOF, VEOF )
CI_ENTRY("eol", CEOL, VEOL )
#if VEOL2
CI_ENTRY("eol2", CEOL2, VEOL2 )
#endif
#if VSWTCH
CI_ENTRY("swtch", CSWTCH, VSWTCH )
#endif
CI_ENTRY("start", CSTART, VSTART )
CI_ENTRY("stop", CSTOP, VSTOP )
CI_ENTRY("susp", CSUSP, VSUSP )
#if VDSUSP
CI_ENTRY("dsusp", CDSUSP, VDSUSP )
#endif
#if VREPRINT
CI_ENTRY("rprnt", CRPRNT, VREPRINT)
#endif
#if VWERASE
CI_ENTRY("werase", CWERASE, VWERASE )
#endif
#if VLNEXT
CI_ENTRY("lnext", CLNEXT, VLNEXT )
#endif
#if VFLUSHO
CI_ENTRY("flush", CFLUSHO, VFLUSHO )
#endif
#if VSTATUS
CI_ENTRY("status", CSTATUS, VSTATUS )
#endif
/* These must be last because of the display routines */
CI_ENTRY("min", 1, VMIN )
CI_ENTRY("time", 0, VTIME )
};
enum {
NUM_control_info = ARRAY_SIZE(control_info)
};
struct globals {
const char *device_name;
/* The width of the screen, for output wrapping */
unsigned max_col;
/* Current position, to know when to wrap */
unsigned current_col;
char buf[10];
} FIX_ALIASING;
#define G (*(struct globals*)&bb_common_bufsiz1)
#define INIT_G() do { \
G.device_name = bb_msg_standard_input; \
G.max_col = 80; \
} while (0)
static void set_speed_or_die(enum speed_setting type, const char *arg,
struct termios *mode)
{
speed_t baud;
baud = tty_value_to_baud(xatou(arg));
if (type != output_speed) { /* either input or both */
cfsetispeed(mode, baud);
}
if (type != input_speed) { /* either output or both */
cfsetospeed(mode, baud);
}
}
#endif
#ifdef VFLUSHO
CIDX_flush,
#endif
#ifdef VSTATUS
CIDX_status,
#endif
CIDX_min,
CIDX_time,
};
#define CI_ENTRY(n,s,o) n "\0"
/* Name given on command line */
static const char control_name[] =
CI_ENTRY("intr", CINTR, VINTR )
CI_ENTRY("quit", CQUIT, VQUIT )
CI_ENTRY("erase", CERASE, VERASE )
CI_ENTRY("kill", CKILL, VKILL )
CI_ENTRY("eof", CEOF, VEOF )
CI_ENTRY("eol", CEOL, VEOL )
#ifdef VEOL2
CI_ENTRY("eol2", CEOL2, VEOL2 )
#endif
#ifdef VSWTCH
CI_ENTRY("swtch", CSWTCH, VSWTCH )
#endif
CI_ENTRY("start", CSTART, VSTART )
CI_ENTRY("stop", CSTOP, VSTOP )
CI_ENTRY("susp", CSUSP, VSUSP )
#ifdef VDSUSP
