stty: rearrange functions, avoiding the need in forward declarations.

No other code chages.
This commit is contained in:
Denis Vlasenko 2007-01-12 21:02:04 +00:00
parent 4df8135cf6
commit f8abc100cc

View File

@ -637,17 +637,382 @@ static int find_param(const char *name)
return 0; 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, 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) int stty_main(int argc, char **argv)
{ {
@ -928,380 +1293,3 @@ end_option:
return EXIT_SUCCESS; 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;
}
}
}