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https://git.busybox.net/busybox.git
synced 2024-12-01 01:23:32 +08:00
removed warning "comparison between signed and unsigned". Reduced size
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parent
e75b41d990
commit
9b9a920eef
@ -399,6 +399,7 @@ static const struct control_info control_info[] = {
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static const int NUM_control_info =
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(sizeof(control_info) / sizeof(struct control_info));
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#define EMT(t) ((enum mode_type)(t))
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static const char * visible(unsigned int ch);
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static int recover_mode(char *arg, struct termios *mode);
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@ -407,17 +408,17 @@ static int set_mode(const struct mode_info *info,
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int reversed, struct termios *mode);
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static speed_t string_to_baud(const char *arg);
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static tcflag_t* mode_type_flag(enum mode_type type, struct termios *mode);
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static void display_all(struct termios *mode, int fd);
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static void display_changed(struct termios *mode, int fd);
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static void display_recoverable(struct termios *mode, int fd);
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static void display_all(struct termios *mode);
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static void display_changed(struct termios *mode);
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static void display_recoverable(struct termios *mode);
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static void display_speed(struct termios *mode, int fancy);
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static void display_window_size(int fancy, int fd);
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static void display_window_size(int fancy);
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static void sane_mode(struct termios *mode);
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static void set_control_char(const struct control_info *info,
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const char *arg, struct termios *mode);
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static void set_speed(enum speed_setting type,
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const char *arg, struct termios *mode);
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static void set_window_size(int rows, int cols, int fd);
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static void set_window_size(int rows, int cols);
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static const char *device_name;
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@ -473,7 +474,7 @@ extern int main(int argc, char **argv)
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#endif
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{
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struct termios mode;
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void (*output_func)(struct termios *, int);
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void (*output_func)(struct termios *);
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int optc;
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int require_set_attr;
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int speed_was_set;
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@ -482,8 +483,6 @@ extern int main(int argc, char **argv)
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int k;
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int noargs = 1;
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char * file_name = NULL;
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int fd;
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output_func = display_changed;
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verbose_output = 0;
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@ -539,25 +538,25 @@ extern int main(int argc, char **argv)
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int fdflags;
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device_name = file_name;
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fd = bb_xopen(device_name, O_RDONLY | O_NONBLOCK);
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if ((fdflags = fcntl(fd, F_GETFL)) == -1
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|| fcntl(fd, F_SETFL, fdflags & ~O_NONBLOCK) < 0)
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fclose(stdin);
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bb_xopen(device_name, O_RDONLY | O_NONBLOCK);
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if ((fdflags = fcntl(STDIN_FILENO, F_GETFL)) == -1
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|| fcntl(STDIN_FILENO, F_SETFL, fdflags & ~O_NONBLOCK) < 0)
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perror_on_device("%s: couldn't reset non-blocking mode");
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} else {
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fd = 0;
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device_name = bb_msg_standard_input;
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}
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/* Initialize to all zeroes so there is no risk memcmp will report a
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spurious difference in an uninitialized portion of the structure. */
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memset(&mode, 0, sizeof(mode));
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if (tcgetattr(fd, &mode))
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if (tcgetattr(STDIN_FILENO, &mode))
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perror_on_device("%s");
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if (verbose_output | recoverable_output | noargs) {
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max_col = screen_columns();
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current_col = 0;
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output_func(&mode, fd);
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output_func(&mode);
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return EXIT_SUCCESS;
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}
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@ -637,18 +636,17 @@ extern int main(int argc, char **argv)
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bb_error_msg_and_die("missing argument to `%s'", argv[k]);
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++k;
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set_window_size((int) bb_xparse_number(argv[k], stty_suffixes),
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-1, fd);
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-1);
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} else if (STREQ(argv[k], "cols") || STREQ(argv[k], "columns")) {
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if (k == argc - 1)
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bb_error_msg_and_die("missing argument to `%s'", argv[k]);
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++k;
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set_window_size(-1,
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(int) bb_xparse_number(argv[k], stty_suffixes),
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fd);
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(int) bb_xparse_number(argv[k], stty_suffixes));
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} else if (STREQ(argv[k], "size")) {
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max_col = screen_columns();
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current_col = 0;
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display_window_size(0, fd);
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display_window_size(0);
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}
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#endif
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#ifdef HAVE_C_LINE
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@ -677,7 +675,7 @@ extern int main(int argc, char **argv)
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if (require_set_attr) {
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struct termios new_mode;
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if (tcsetattr(fd, TCSADRAIN, &mode))
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if (tcsetattr(STDIN_FILENO, TCSADRAIN, &mode))
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perror_on_device("%s");
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/* POSIX (according to Zlotnick's book) tcsetattr returns zero if
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@ -690,7 +688,7 @@ extern int main(int argc, char **argv)
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/* Initialize to all zeroes so there is no risk memcmp will report a
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spurious difference in an uninitialized portion of the structure. */
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memset(&new_mode, 0, sizeof(new_mode));
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if (tcgetattr(fd, &new_mode))
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if (tcgetattr(STDIN_FILENO, &new_mode))
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perror_on_device("%s");
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/* Normally, one shouldn't use memcmp to compare structures that
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@ -731,7 +729,7 @@ set_mode(const struct mode_info *info, int reversed, struct termios *mode)
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if (reversed && (info->flags & REV) == 0)
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return 0;
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bitsp = mode_type_flag(info->type, mode);
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bitsp = mode_type_flag(EMT(info->type), mode);
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if (bitsp == NULL) {
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/* Combination mode. */
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@ -922,10 +920,10 @@ set_speed(enum speed_setting type, const char *arg, struct termios *mode)
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baud = string_to_baud(arg);
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if (type != output_speed) { /* either input or both */
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if (type != output_speed) { /* either input or both */
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cfsetispeed(mode, baud);
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}
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if (type != input_speed) { /* either output or both */
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if (type != input_speed) { /* either output or both */
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cfsetospeed(mode, baud);
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}
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}
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@ -940,11 +938,11 @@ static int get_win_size(int fd, struct winsize *win)
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}
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static void
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set_window_size(int rows, int cols, int fd)
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set_window_size(int rows, int cols)
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{
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struct winsize win;
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if (get_win_size(fd, &win)) {
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if (get_win_size(STDIN_FILENO, &win)) {
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if (errno != EINVAL)
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perror_on_device("%s");
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memset(&win, 0, sizeof(win));
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@ -970,24 +968,24 @@ set_window_size(int rows, int cols, int fd)
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win.ws_row = win.ws_col = 1;
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if ((ioctl(fd, TIOCSWINSZ, (char *) &win) != 0)
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|| (ioctl(fd, TIOCSSIZE, (char *) &ttysz) != 0)) {
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if ((ioctl(STDIN_FILENO, TIOCSWINSZ, (char *) &win) != 0)
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|| (ioctl(STDIN_FILENO, TIOCSSIZE, (char *) &ttysz) != 0)) {
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perror_on_device("%s");
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}
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return;
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}
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# endif
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if (ioctl(fd, TIOCSWINSZ, (char *) &win))
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if (ioctl(STDIN_FILENO, TIOCSWINSZ, (char *) &win))
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perror_on_device("%s");
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}
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static void display_window_size(int fancy, int fd)
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static void display_window_size(int fancy)
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{
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const char *fmt_str = "%s" "\0" "%s: no size information for this device";
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struct winsize win;
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if (get_win_size(fd, &win)) {
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if (get_win_size(STDIN_FILENO, &win)) {
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if ((errno != EINVAL) || ((fmt_str += 2), !fancy)) {
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perror_on_device(fmt_str);
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}
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@ -1040,7 +1038,7 @@ static tcflag_t *mode_type_flag(enum mode_type type, struct termios *mode)
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return NULL;
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}
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static void display_changed(struct termios *mode, int fd)
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static void display_changed(struct termios *mode)
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{
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int i;
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int empty_line;
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@ -1086,16 +1084,16 @@ static void display_changed(struct termios *mode, int fd)
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for (i = 0; i < NUM_mode_info; ++i) {
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if (mode_info[i].flags & OMIT)
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continue;
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if (mode_info[i].type != prev_type) {
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if (EMT(mode_info[i].type) != prev_type) {
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if (empty_line == 0) {
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putchar('\n');
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current_col = 0;
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empty_line = 1;
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}
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prev_type = mode_info[i].type;
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prev_type = EMT(mode_info[i].type);
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}
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bitsp = mode_type_flag(mode_info[i].type, mode);
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bitsp = mode_type_flag(EMT(mode_info[i].type), mode);
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mask = mode_info[i].mask ? mode_info[i].mask : mode_info[i].bits;
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if ((*bitsp & mask) == mode_info[i].bits) {
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if (mode_info[i].flags & SANE_UNSET) {
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@ -1115,7 +1113,7 @@ static void display_changed(struct termios *mode, int fd)
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}
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static void
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display_all(struct termios *mode, int fd)
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display_all(struct termios *mode)
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{
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int i;
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tcflag_t *bitsp;
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@ -1124,7 +1122,7 @@ display_all(struct termios *mode, int fd)
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display_speed(mode, 1);
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#ifdef TIOCGWINSZ
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display_window_size(1, fd);
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display_window_size(1);
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#endif
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#ifdef HAVE_C_LINE
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wrapf("line = %d;", mode->c_line);
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@ -1158,13 +1156,13 @@ display_all(struct termios *mode, int fd)
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for (i = 0; i < NUM_mode_info; ++i) {
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if (mode_info[i].flags & OMIT)
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continue;
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if (mode_info[i].type != prev_type) {
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if (EMT(mode_info[i].type) != prev_type) {
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putchar('\n');
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current_col = 0;
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prev_type = mode_info[i].type;
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prev_type = EMT(mode_info[i].type);
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}
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bitsp = mode_type_flag(mode_info[i].type, mode);
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bitsp = mode_type_flag(EMT(mode_info[i].type), mode);
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mask = mode_info[i].mask ? mode_info[i].mask : mode_info[i].bits;
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if ((*bitsp & mask) == mode_info[i].bits)
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wrapf("%s", mode_info[i].name);
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@ -1184,7 +1182,7 @@ static void display_speed(struct termios *mode, int fancy)
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ospeed = ispeed = cfgetispeed(mode);
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if (ispeed == 0 || ispeed == (ospeed = cfgetospeed(mode))) {
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ispeed = ospeed; /* in case ispeed was 0 */
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ispeed = ospeed; /* in case ispeed was 0 */
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fmt_str += 43;
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}
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if (fancy) {
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@ -1195,7 +1193,7 @@ static void display_speed(struct termios *mode, int fancy)
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current_col = 0;
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}
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static void display_recoverable(struct termios *mode, int fd)
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static void display_recoverable(struct termios *mode)
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{
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int i;
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@ -1257,11 +1255,11 @@ static void sane_mode(struct termios *mode)
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for (i = 0; i < NUM_mode_info; ++i) {
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if (mode_info[i].flags & SANE_SET) {
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bitsp = mode_type_flag(mode_info[i].type, mode);
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bitsp = mode_type_flag(EMT(mode_info[i].type), mode);
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*bitsp = (*bitsp & ~((unsigned long)mode_info[i].mask))
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| mode_info[i].bits;
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} else if (mode_info[i].flags & SANE_UNSET) {
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bitsp = mode_type_flag(mode_info[i].type, mode);
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bitsp = mode_type_flag(EMT(mode_info[i].type), mode);
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*bitsp = *bitsp & ~((unsigned long)mode_info[i].mask)
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& ~mode_info[i].bits;
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}
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