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Merge d3cb97240f into 8fcd44a171

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P. Czarnota 2025-12-02 02:38:20 +01:00 • committed by GitHub
commit 877b22f5f4
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1 changed files with 14 additions and 2 deletions
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16
src/host/hardware_uart/uart.c
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@ -48,12 +48,24 @@ void _inittty(void) {
//_tty.c_oflag &= ~ONLCR;
tcsetattr(STDIN_FILENO, TCSANOW, &_tty);
fcntl(STDIN_FILENO, F_SETFL, FNONBLOCK);
atexit(_resettty);
}
static int non_blocking_getchar(void) {
fcntl(STDIN_FILENO, F_SETFL, FNONBLOCK);
int c = getchar();
int old = fcntl(STDIN_FILENO, F_GETFL);
fcntl(STDIN_FILENO, F_SETFL, old & ~FNONBLOCK);
return c;
}
#else
void _inittty() {}
static int non_blocking_getchar(void) { return getchar(); }
#endif
typedef struct {
@ -67,7 +79,7 @@ static int _nextchar = EOF;
static bool _peekchar() {
if (_nextchar == EOF) {
_nextchar = getchar();
_nextchar = non_blocking_getchar();
}
return _nextchar != EOF;
}