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less,microcom,lineedit: use common routine to set raw termios

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function                                             old     new   delta
get_termios_and_make_raw                               -     139    +139
xget1                                                 39       8     -31
read_line_input                                     3912    3867     -45
less_main                                           2525    2471     -54
set_termios_to_raw                                   116      36     -80
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(add/remove: 1/0 grow/shrink: 0/4 up/down: 139/-210)          Total: -71 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-09-15 17:14:01 +02:00
parent e58b44755d
commit aaaaaa5ad6
5 changed files with 53 additions and 48 deletions
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miscutils/less.c
+2 -8
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@@ -1824,15 +1824,9 @@ int less_main(int argc, char **argv)
G.kbd_fd_orig_flags = ndelay_on(tty_fd);
kbd_fd = tty_fd; /* save in a global */
tcgetattr(kbd_fd, &term_orig);
term_less = term_orig;
term_less.c_lflag &= ~(ICANON | ECHO);
term_less.c_iflag &= ~(IXON | ICRNL);
/*term_less.c_oflag &= ~ONLCR;*/
term_less.c_cc[VMIN] = 1;
term_less.c_cc[VTIME] = 0;
get_termios_and_make_raw(tty_fd, &term_less, &term_orig, TERMIOS_RAW_CRNL);
IF_FEATURE_LESS_ASK_TERMINAL(G.winsize_err =) get_terminal_width_height(kbd_fd, &width, &max_displayed_line);
IF_FEATURE_LESS_ASK_TERMINAL(G.winsize_err =) get_terminal_width_height(tty_fd, &width, &max_displayed_line);
/* 20: two tabstops + 4 */
if (width < 20 || max_displayed_line < 3)
return bb_cat(argv);