diff options
| -rw-r--r-- | coreutils/stty.c | 760 |
1 files changed, 374 insertions, 386 deletions
diff --git a/coreutils/stty.c b/coreutils/stty.c index b48941429..93919b33a 100644 --- a/coreutils/stty.c +++ b/coreutils/stty.c @@ -637,17 +637,382 @@ static int find_param(const char *name) return 0; } +static int recover_mode(const char *arg, struct termios *mode) +{ + int i, n; + unsigned int chr; + unsigned long iflag, oflag, cflag, lflag; + + /* Scan into temporaries since it is too much trouble to figure out + the right format for 'tcflag_t' */ + if (sscanf(arg, "%lx:%lx:%lx:%lx%n", + &iflag, &oflag, &cflag, &lflag, &n) != 4) + return 0; + mode->c_iflag = iflag; + mode->c_oflag = oflag; + mode->c_cflag = cflag; + mode->c_lflag = lflag; + arg += n; + for (i = 0; i < NCCS; ++i) { + if (sscanf(arg, ":%x%n", &chr, &n) != 1) + return 0; + mode->c_cc[i] = chr; + arg += n; + } + + /* Fail if there are too many fields */ + if (*arg != '\0') + return 0; + + return 1; +} + +static void display_recoverable(const struct termios *mode) +{ + int i; + printf("%lx:%lx:%lx:%lx", + (unsigned long) mode->c_iflag, (unsigned long) mode->c_oflag, + (unsigned long) mode->c_cflag, (unsigned long) mode->c_lflag); + for (i = 0; i < NCCS; ++i) + printf(":%x", (unsigned int) mode->c_cc[i]); + putchar('\n'); +} + +static void display_speed(const struct termios *mode, int fancy) +{ + //01234567 8 9 + const char *fmt_str = "%lu %lu\n\0ispeed %lu baud; ospeed %lu baud;"; + unsigned long ispeed, ospeed; + + ospeed = ispeed = cfgetispeed(mode); + if (ispeed == 0 || ispeed == (ospeed = cfgetospeed(mode))) { + ispeed = ospeed; /* in case ispeed was 0 */ + //0123 4 5 6 7 8 9 + fmt_str = "%lu\n\0\0\0\0\0speed %lu baud;"; + } + if (fancy) fmt_str += 9; + wrapf(fmt_str, tty_baud_to_value(ispeed), tty_baud_to_value(ospeed)); +} + +static void display_all(const struct termios *mode) +{ + int i; + tcflag_t *bitsp; + unsigned long mask; + int prev_type = control; + + display_speed(mode, 1); + display_window_size(1); +#ifdef HAVE_C_LINE + wrapf("line = %d;\n", mode->c_line); +#else + wrapf("\n"); +#endif + + for (i = 0; control_info[i].name != stty_min; ++i) { + /* If swtch is the same as susp, don't print both */ +#if VSWTCH == VSUSP + if (control_info[i].name == stty_swtch) + continue; +#endif + /* If eof uses the same slot as min, only print whichever applies */ +#if VEOF == VMIN + if ((mode->c_lflag & ICANON) == 0 + && (control_info[i].name == stty_eof + || control_info[i].name == stty_eol)) continue; +#endif + wrapf("%s = %s;", control_info[i].name, + visible(mode->c_cc[control_info[i].offset])); + } +#if VEOF == VMIN + if ((mode->c_lflag & ICANON) == 0) +#endif + wrapf("min = %d; time = %d;", mode->c_cc[VMIN], mode->c_cc[VTIME]); + if (current_col) wrapf("\n"); + + for (i = 0; i < NUM_mode_info; ++i) { + if (mode_info[i].flags & OMIT) + continue; + if (mode_info[i].type != prev_type) { + wrapf("\n"); + prev_type = mode_info[i].type; + } + + bitsp = mode_type_flag(mode_info[i].type, mode); + mask = mode_info[i].mask ? mode_info[i].mask : mode_info[i].bits; + if ((*bitsp & mask) == mode_info[i].bits) + wrapf("%s", mode_info[i].name); + else if (mode_info[i].flags & REV) + wrapf("-%s", mode_info[i].name); + } + if (current_col) wrapf("\n"); +} + +static void sane_mode(struct termios *mode) +{ + int i; + tcflag_t *bitsp; + + for (i = 0; i < NUM_control_info; ++i) { +#if VMIN == VEOF + if (control_info[i].name == stty_min) + break; +#endif + mode->c_cc[control_info[i].offset] = control_info[i].saneval; + } + + for (i = 0; i < NUM_mode_info; ++i) { + if (mode_info[i].flags & SANE_SET) { + bitsp = mode_type_flag(mode_info[i].type, mode); + *bitsp = (*bitsp & ~((unsigned long)mode_info[i].mask)) + | mode_info[i].bits; + } else if (mode_info[i].flags & SANE_UNSET) { + bitsp = mode_type_flag(mode_info[i].type, mode); + *bitsp = *bitsp & ~((unsigned long)mode_info[i].mask) + & ~mode_info[i].bits; + } + } +} + +/* Save set_mode from #ifdef forest plague */ +#ifndef ONLCR +#define ONLCR 0 +#endif +#ifndef OCRNL +#define OCRNL 0 +#endif +#ifndef ONLRET +#define ONLRET 0 +#endif +#ifndef XCASE +#define XCASE 0 +#endif +#ifndef IXANY +#define IXANY 0 +#endif +#ifndef TABDLY +#define TABDLY 0 +#endif +#ifndef OXTABS +#define OXTABS 0 +#endif +#ifndef IUCLC +#define IUCLC 0 +#endif +#ifndef OLCUC +#define OLCUC 0 +#endif +#ifndef ECHOCTL +#define ECHOCTL 0 +#endif +#ifndef ECHOKE +#define ECHOKE 0 +#endif + +static void set_mode(const struct mode_info *info, int reversed, + struct termios *mode) +{ + tcflag_t *bitsp; + + bitsp = mode_type_flag(info->type, mode); + + if (bitsp) { + if (reversed) + *bitsp = *bitsp & ~info->mask & ~info->bits; + else + *bitsp = (*bitsp & ~info->mask) | info->bits; + return; + } + + /* Combination mode */ + if (info->name == evenp || info->name == parity) { + if (reversed) + mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8; + else + mode->c_cflag = (mode->c_cflag & ~PARODD & ~CSIZE) | PARENB | CS7; + } else if (info->name == stty_oddp) { + if (reversed) + mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8; + else + mode->c_cflag = (mode->c_cflag & ~CSIZE) | CS7 | PARODD | PARENB; + } else if (info->name == stty_nl) { + if (reversed) { + mode->c_iflag = (mode->c_iflag | ICRNL) & ~INLCR & ~IGNCR; + mode->c_oflag = (mode->c_oflag | ONLCR) & ~OCRNL & ~ONLRET; + } else { + mode->c_iflag = mode->c_iflag & ~ICRNL; + if (ONLCR) mode->c_oflag = mode->c_oflag & ~ONLCR; + } + } else if (info->name == stty_ek) { + mode->c_cc[VERASE] = CERASE; + mode->c_cc[VKILL] = CKILL; + } else if (info->name == stty_sane) { + sane_mode(mode); + } + else if (info->name == cbreak) { + if (reversed) + mode->c_lflag |= ICANON; + else + mode->c_lflag &= ~ICANON; + } else if (info->name == stty_pass8) { + if (reversed) { + mode->c_cflag = (mode->c_cflag & ~CSIZE) | CS7 | PARENB; + mode->c_iflag |= ISTRIP; + } else { + mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8; + mode->c_iflag &= ~ISTRIP; + } + } else if (info->name == litout) { + if (reversed) { + mode->c_cflag = (mode->c_cflag & ~CSIZE) | CS7 | PARENB; + mode->c_iflag |= ISTRIP; + mode->c_oflag |= OPOST; + } else { + mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8; + mode->c_iflag &= ~ISTRIP; + mode->c_oflag &= ~OPOST; + } + } else if (info->name == raw || info->name == cooked) { + if ((info->name[0] == 'r' && reversed) + || (info->name[0] == 'c' && !reversed)) { + /* Cooked mode */ + mode->c_iflag |= BRKINT | IGNPAR | ISTRIP | ICRNL | IXON; + mode->c_oflag |= OPOST; + mode->c_lflag |= ISIG | ICANON; +#if VMIN == VEOF + mode->c_cc[VEOF] = CEOF; +#endif +#if VTIME == VEOL + mode->c_cc[VEOL] = CEOL; +#endif + } else { + /* Raw mode */ + mode->c_iflag = 0; + mode->c_oflag &= ~OPOST; + mode->c_lflag &= ~(ISIG | ICANON | XCASE); + mode->c_cc[VMIN] = 1; + mode->c_cc[VTIME] = 0; + } + } + else if (IXANY && info->name == decctlq) { + if (reversed) + mode->c_iflag |= IXANY; + else + mode->c_iflag &= ~IXANY; + } + else if (TABDLY && info->name == stty_tabs) { + if (reversed) + mode->c_oflag = (mode->c_oflag & ~TABDLY) | TAB3; + else + mode->c_oflag = (mode->c_oflag & ~TABDLY) | TAB0; + } + else if (OXTABS && info->name == stty_tabs) { + if (reversed) + mode->c_oflag |= OXTABS; + else + mode->c_oflag &= ~OXTABS; + } + else if (XCASE && IUCLC && OLCUC + && (info->name == stty_lcase || info->name == stty_LCASE)) { + if (reversed) { + mode->c_lflag &= ~XCASE; + mode->c_iflag &= ~IUCLC; + mode->c_oflag &= ~OLCUC; + } else { + mode->c_lflag |= XCASE; + mode->c_iflag |= IUCLC; + mode->c_oflag |= OLCUC; + } + } + else if (info->name == stty_crt) { + mode->c_lflag |= ECHOE | ECHOCTL | ECHOKE; + } + 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_lflag |= ECHOE | ECHOCTL | ECHOKE; + if (IXANY) mode->c_iflag &= ~IXANY; + } +} + +static void display_changed(const struct termios *mode) +{ + int i; + tcflag_t *bitsp; + unsigned long mask; + int prev_type = control; + + display_speed(mode, 1); +#ifdef HAVE_C_LINE + wrapf("line = %d;\n", mode->c_line); +#else + wrapf("\n"); +#endif + + for (i = 0; control_info[i].name != stty_min; ++i) { + if (mode->c_cc[control_info[i].offset] == control_info[i].saneval) + continue; + /* If swtch is the same as susp, don't print both */ +#if VSWTCH == VSUSP + if (control_info[i].name == stty_swtch) + continue; +#endif + /* If eof uses the same slot as min, only print whichever applies */ +#if VEOF == VMIN + if ((mode->c_lflag & ICANON) == 0 + && (control_info[i].name == stty_eof + || control_info[i].name == stty_eol)) continue; +#endif + wrapf("%s = %s;", control_info[i].name, + visible(mode->c_cc[control_info[i].offset])); + } + if ((mode->c_lflag & ICANON) == 0) { + wrapf("min = %d; time = %d;", (int) mode->c_cc[VMIN], + (int) mode->c_cc[VTIME]); + } + if (current_col) wrapf("\n"); + + for (i = 0; i < NUM_mode_info; ++i) { + if (mode_info[i].flags & OMIT) + continue; + if (mode_info[i].type != prev_type) { + if (current_col) wrapf("\n"); + prev_type = mode_info[i].type; + } + + bitsp = mode_type_flag(mode_info[i].type, mode); + mask = mode_info[i].mask ? mode_info[i].mask : mode_info[i].bits; + if ((*bitsp & mask) == mode_info[i].bits) { + if (mode_info[i].flags & SANE_UNSET) { + wrapf("%s", mode_info[i].name); + } + } else if ((mode_info[i].flags & (SANE_SET | REV)) == (SANE_SET | REV)) { + wrapf("-%s", mode_info[i].name); + } + } + if (current_col) wrapf("\n"); +} -static int recover_mode(const char *arg, struct termios *mode); -static void set_mode(const struct mode_info *info, - int reversed, struct termios *mode); -static void display_all(const struct termios *mode); -static void display_changed(const struct termios *mode); -static void display_recoverable(const struct termios *mode); -static void display_speed(const struct termios *mode, int fancy); -static void sane_mode(struct termios *mode); static void set_control_char_or_die(const struct control_info *info, - const char *arg, struct termios *mode); + const char *arg, struct termios *mode) +{ + unsigned char value; + + if (info->name == stty_min || info->name == stty_time) + value = xatoul_range_sfx(arg, 0, 0xff, stty_suffixes); + else if (arg[0] == '\0' || arg[1] == '\0') + value = arg[0]; + else if (streq(arg, "^-") || streq(arg, "undef")) + value = _POSIX_VDISABLE; + else if (arg[0] == '^') { /* Ignore any trailing junk (^Cjunk) */ + value = arg[1] & 0x1f; /* Non-letters get weird results */ + if (arg[1] == '?') + value = 127; + } else + value = xatoul_range_sfx(arg, 0, 0xff, stty_suffixes); + mode->c_cc[info->offset] = value; +} int stty_main(int argc, char **argv) { @@ -928,380 +1293,3 @@ end_option: return EXIT_SUCCESS; } - -/* Save set_mode from #ifdef forest plague */ -#ifndef ONLCR -#define ONLCR 0 -#endif -#ifndef OCRNL -#define OCRNL 0 -#endif -#ifndef ONLRET -#define ONLRET 0 -#endif -#ifndef XCASE -#define XCASE 0 -#endif -#ifndef IXANY -#define IXANY 0 -#endif -#ifndef TABDLY -#define TABDLY 0 -#endif -#ifndef OXTABS -#define OXTABS 0 -#endif -#ifndef IUCLC -#define IUCLC 0 -#endif -#ifndef OLCUC -#define OLCUC 0 -#endif -#ifndef ECHOCTL -#define ECHOCTL 0 -#endif -#ifndef ECHOKE -#define ECHOKE 0 -#endif - -static void set_mode(const struct mode_info *info, int reversed, - struct termios *mode) -{ - tcflag_t *bitsp; - - bitsp = mode_type_flag(info->type, mode); - - if (bitsp) { - if (reversed) - *bitsp = *bitsp & ~info->mask & ~info->bits; - else - *bitsp = (*bitsp & ~info->mask) | info->bits; - return; - } - - /* Combination mode */ - if (info->name == evenp || info->name == parity) { - if (reversed) - mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8; - else - mode->c_cflag = (mode->c_cflag & ~PARODD & ~CSIZE) | PARENB | CS7; - } else if (info->name == stty_oddp) { - if (reversed) - mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8; - else - mode->c_cflag = (mode->c_cflag & ~CSIZE) | CS7 | PARODD | PARENB; - } else if (info->name == stty_nl) { - if (reversed) { - mode->c_iflag = (mode->c_iflag | ICRNL) & ~INLCR & ~IGNCR; - mode->c_oflag = (mode->c_oflag | ONLCR) & ~OCRNL & ~ONLRET; - } else { - mode->c_iflag = mode->c_iflag & ~ICRNL; - if (ONLCR) mode->c_oflag = mode->c_oflag & ~ONLCR; - } - } else if (info->name == stty_ek) { - mode->c_cc[VERASE] = CERASE; - mode->c_cc[VKILL] = CKILL; - } else if (info->name == stty_sane) { - sane_mode(mode); - } - else if (info->name == cbreak) { - if (reversed) - mode->c_lflag |= ICANON; - else - mode->c_lflag &= ~ICANON; - } else if (info->name == stty_pass8) { - if (reversed) { - mode->c_cflag = (mode->c_cflag & ~CSIZE) | CS7 | PARENB; - mode->c_iflag |= ISTRIP; - } else { - mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8; - mode->c_iflag &= ~ISTRIP; - } - } else if (info->name == litout) { - if (reversed) { - mode->c_cflag = (mode->c_cflag & ~CSIZE) | CS7 | PARENB; - mode->c_iflag |= ISTRIP; - mode->c_oflag |= OPOST; - } else { - mode->c_cflag = (mode->c_cflag & ~PARENB & ~CSIZE) | CS8; - mode->c_iflag &= ~ISTRIP; - mode->c_oflag &= ~OPOST; - } - } else if (info->name == raw || info->name == cooked) { - if ((info->name[0] == 'r' && reversed) - || (info->name[0] == 'c' && !reversed)) { - /* Cooked mode */ - mode->c_iflag |= BRKINT | IGNPAR | ISTRIP | ICRNL | IXON; - mode->c_oflag |= OPOST; - mode->c_lflag |= ISIG | ICANON; -#if VMIN == VEOF - mode->c_cc[VEOF] = CEOF; -#endif -#if VTIME == VEOL - mode->c_cc[VEOL] = CEOL; -#endif - } else { - /* Raw mode */ - mode->c_iflag = 0; - mode->c_oflag &= ~OPOST; - mode->c_lflag &= ~(ISIG | ICANON | XCASE); - mode->c_cc[VMIN] = 1; - mode->c_cc[VTIME] = 0; - } - } - else if (IXANY && info->name == decctlq) { - if (reversed) - mode->c_iflag |= IXANY; - else - mode->c_iflag &= ~IXANY; - } - else if (TABDLY && info->name == stty_tabs) { - if (reversed) - mode->c_oflag = (mode->c_oflag & ~TABDLY) | TAB3; - else - mode->c_oflag = (mode->c_oflag & ~TABDLY) | TAB0; - } - else if (OXTABS && info->name == stty_tabs) { - if (reversed) - mode->c_oflag |= OXTABS; - else - mode->c_oflag &= ~OXTABS; - } - else if (XCASE && IUCLC && OLCUC - && (info->name == stty_lcase || info->name == stty_LCASE)) { - if (reversed) { - mode->c_lflag &= ~XCASE; - mode->c_iflag &= ~IUCLC; - mode->c_oflag &= ~OLCUC; - } else { - mode->c_lflag |= XCASE; - mode->c_iflag |= IUCLC; - mode->c_oflag |= OLCUC; - } - } - else if (info->name == stty_crt) { - mode->c_lflag |= ECHOE | ECHOCTL | ECHOKE; - } - 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_lflag |= ECHOE | ECHOCTL | ECHOKE; - if (IXANY) mode->c_iflag &= ~IXANY; - } -} - -static void set_control_char_or_die(const struct control_info *info, - const char *arg, struct termios *mode) -{ - unsigned char value; - - if (info->name == stty_min || info->name == stty_time) - value = xatoul_range_sfx(arg, 0, 0xff, stty_suffixes); - else if (arg[0] == '\0' || arg[1] == '\0') - value = arg[0]; - else if (streq(arg, "^-") || streq(arg, "undef")) - value = _POSIX_VDISABLE; - else if (arg[0] == '^') { /* Ignore any trailing junk (^Cjunk) */ - value = arg[1] & 0x1f; /* Non-letters get weird results */ - if (arg[1] == '?') - value = 127; - } else - value = xatoul_range_sfx(arg, 0, 0xff, stty_suffixes); - mode->c_cc[info->offset] = value; -} - -static void display_changed(const struct termios *mode) -{ - int i; - tcflag_t *bitsp; - unsigned long mask; - int prev_type = control; - - display_speed(mode, 1); -#ifdef HAVE_C_LINE - wrapf("line = %d;\n", mode->c_line); -#else - wrapf("\n"); -#endif - - for (i = 0; control_info[i].name != stty_min; ++i) { - if (mode->c_cc[control_info[i].offset] == control_info[i].saneval) - continue; - /* If swtch is the same as susp, don't print both */ -#if VSWTCH == VSUSP - if (control_info[i].name == stty_swtch) - continue; -#endif - /* If eof uses the same slot as min, only print whichever applies */ -#if VEOF == VMIN - if ((mode->c_lflag & ICANON) == 0 - && (control_info[i].name == stty_eof - || control_info[i].name == stty_eol)) continue; -#endif - wrapf("%s = %s;", control_info[i].name, - visible(mode->c_cc[control_info[i].offset])); - } - if ((mode->c_lflag & ICANON) == 0) { - wrapf("min = %d; time = %d;", (int) mode->c_cc[VMIN], - (int) mode->c_cc[VTIME]); - } - if (current_col) wrapf("\n"); - - for (i = 0; i < NUM_mode_info; ++i) { - if (mode_info[i].flags & OMIT) - continue; - if (mode_info[i].type != prev_type) { - if (current_col) wrapf("\n"); - prev_type = mode_info[i].type; - } - - bitsp = mode_type_flag(mode_info[i].type, mode); - mask = mode_info[i].mask ? mode_info[i].mask : mode_info[i].bits; - if ((*bitsp & mask) == mode_info[i].bits) { - if (mode_info[i].flags & SANE_UNSET) { - wrapf("%s", mode_info[i].name); - } - } else if ((mode_info[i].flags & (SANE_SET | REV)) == (SANE_SET | REV)) { - wrapf("-%s", mode_info[i].name); - } - } - if (current_col) wrapf("\n"); -} - -static void display_all(const struct termios *mode) -{ - int i; - tcflag_t *bitsp; - unsigned long mask; - int prev_type = control; - - display_speed(mode, 1); - display_window_size(1); -#ifdef HAVE_C_LINE - wrapf("line = %d;\n", mode->c_line); -#else - wrapf("\n"); -#endif - - for (i = 0; control_info[i].name != stty_min; ++i) { - /* If swtch is the same as susp, don't print both */ -#if VSWTCH == VSUSP - if (control_info[i].name == stty_swtch) - continue; -#endif - /* If eof uses the same slot as min, only print whichever applies */ -#if VEOF == VMIN - if ((mode->c_lflag & ICANON) == 0 - && (control_info[i].name == stty_eof - || control_info[i].name == stty_eol)) continue; -#endif - wrapf("%s = %s;", control_info[i].name, - visible(mode->c_cc[control_info[i].offset])); - } -#if VEOF == VMIN - if ((mode->c_lflag & ICANON) == 0) -#endif - wrapf("min = %d; time = %d;", mode->c_cc[VMIN], mode->c_cc[VTIME]); - if (current_col) wrapf("\n"); - - for (i = 0; i < NUM_mode_info; ++i) { - if (mode_info[i].flags & OMIT) - continue; - if (mode_info[i].type != prev_type) { - wrapf("\n"); - prev_type = mode_info[i].type; - } - - bitsp = mode_type_flag(mode_info[i].type, mode); - mask = mode_info[i].mask ? mode_info[i].mask : mode_info[i].bits; - if ((*bitsp & mask) == mode_info[i].bits) - wrapf("%s", mode_info[i].name); - else if (mode_info[i].flags & REV) - wrapf("-%s", mode_info[i].name); - } - if (current_col) wrapf("\n"); -} - -static void display_speed(const struct termios *mode, int fancy) -{ - //01234567 8 9 - const char *fmt_str = "%lu %lu\n\0ispeed %lu baud; ospeed %lu baud;"; - unsigned long ispeed, ospeed; - - ospeed = ispeed = cfgetispeed(mode); - if (ispeed == 0 || ispeed == (ospeed = cfgetospeed(mode))) { - ispeed = ospeed; /* in case ispeed was 0 */ - //0123 4 5 6 7 8 9 - fmt_str = "%lu\n\0\0\0\0\0speed %lu baud;"; - } - if (fancy) fmt_str += 9; - wrapf(fmt_str, tty_baud_to_value(ispeed), tty_baud_to_value(ospeed)); -} - -static void display_recoverable(const struct termios *mode) -{ - int i; - printf("%lx:%lx:%lx:%lx", - (unsigned long) mode->c_iflag, (unsigned long) mode->c_oflag, - (unsigned long) mode->c_cflag, (unsigned long) mode->c_lflag); - for (i = 0; i < NCCS; ++i) - printf(":%x", (unsigned int) mode->c_cc[i]); - putchar('\n'); -} - -static int recover_mode(const char *arg, struct termios *mode) -{ - int i, n; - unsigned int chr; - unsigned long iflag, oflag, cflag, lflag; - - /* Scan into temporaries since it is too much trouble to figure out - the right format for 'tcflag_t' */ - if (sscanf(arg, "%lx:%lx:%lx:%lx%n", - &iflag, &oflag, &cflag, &lflag, &n) != 4) - return 0; - mode->c_iflag = iflag; - mode->c_oflag = oflag; - mode->c_cflag = cflag; - mode->c_lflag = lflag; - arg += n; - for (i = 0; i < NCCS; ++i) { - if (sscanf(arg, ":%x%n", &chr, &n) != 1) - return 0; - mode->c_cc[i] = chr; - arg += n; - } - - /* Fail if there are too many fields */ - if (*arg != '\0') - return 0; - - return 1; -} - -static void sane_mode(struct termios *mode) -{ - int i; - tcflag_t *bitsp; - - for (i = 0; i < NUM_control_info; ++i) { -#if VMIN == VEOF - if (control_info[i].name == stty_min) - break; -#endif - mode->c_cc[control_info[i].offset] = control_info[i].saneval; - } - - for (i = 0; i < NUM_mode_info; ++i) { - if (mode_info[i].flags & SANE_SET) { - bitsp = mode_type_flag(mode_info[i].type, mode); - *bitsp = (*bitsp & ~((unsigned long)mode_info[i].mask)) - | mode_info[i].bits; - } else if (mode_info[i].flags & SANE_UNSET) { - bitsp = mode_type_flag(mode_info[i].type, mode); - *bitsp = *bitsp & ~((unsigned long)mode_info[i].mask) - & ~mode_info[i].bits; - } - } -} |