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tweaks: reduce a bit of code duplication 

This also removes a call of ungetch(), as it does not seem to be
needed any more: nano does not lose a character when waking from
suspension.
This commit is contained in:
Benno Schulenberg 2017-10-04 21:46:33 +02:00
parent 1bd17c44b0
commit ca8317e820
1 changed files with 14 additions and 25 deletions
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39
src/winio.c
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@ -111,7 +111,7 @@ static bool reveal_cursor = FALSE;
* buffer is empty. */
void get_key_buffer(WINDOW *win)
{
int input;
int input = ERR;
size_t errcount = 0;
/* If the keystroke buffer isn't empty, get out. */
@ -125,38 +125,27 @@ void get_key_buffer(WINDOW *win)
if (reveal_cursor)
curs_set(1);
/* Read in the first character using whatever mode we're in. */
input = wgetch(win);
#ifndef NANO_TINY
if (the_window_resized) {
ungetch(input);
regenerate_screen();
input = KEY_WINCH;
}
#endif
if (input == ERR && !waiting_mode) {
curs_set(0);
return;
}
/* Read in the first keystroke using whatever mode we're in. */
while (input == ERR) {
/* If we've failed to get a character MAX_BUF_SIZE times in a row,
* assume our input source is gone and die gracefully. We could
* check if errno is set to EIO ("Input/output error") and die in
* that case, but it's not always set properly. Argh. */
if (++errcount == MAX_BUF_SIZE)
die(_("Too many errors from stdin"));
input = wgetch(win);
#ifndef NANO_TINY
if (the_window_resized) {
regenerate_screen();
input = KEY_WINCH;
break;
}
#endif
input = wgetch(win);
if (input == ERR && !waiting_mode) {
curs_set(0);
return;
}
/* If we've failed to get a character MAX_BUF_SIZE times in a row,
* assume our input source is gone and die gracefully. We could
* check if errno is set to EIO ("Input/output error") and die in
* that case, but it's not always set properly. Argh. */
if (input == ERR && ++errcount == MAX_BUF_SIZE)
die(_("Too many errors from stdin"));
}
curs_set(0);