R_API int r_cons_readchar() {
char buf[2];
buf[0] = -1;
#if __WINDOWS__ && !__CYGWIN__ //&& !MINGW32
#if 1 // if something goes wrong set this to 0. skuater.....
return readchar_win(0);
#endif
BOOL ret;
DWORD out;
DWORD mode;
HANDLE h = GetStdHandle (STD_INPUT_HANDLE);
GetConsoleMode (h, &mode);
SetConsoleMode (h, 0); // RAW
ret = ReadConsole (h, buf, 1, &out, NULL);
FlushConsoleInputBuffer (h);
if (!ret) {
return -1;
}
SetConsoleMode (h, mode);
#else
r_cons_set_raw (1);
if (read (0, buf, 1) == -1) {
return -1;
}
r_cons_set_raw (0);
#endif
return r_cons_controlz (buf[0]);
}
R_API int r_cons_readchar() {
void *bed;
char buf[2];
buf[0] = -1;
if (readbuffer_length > 0) {
int ch = *readbuffer;
readbuffer_length--;
memmove (readbuffer, readbuffer + 1, readbuffer_length);
return ch;
}
#if __WINDOWS__ && !__CYGWIN__ //&& !MINGW32
#if 1 // if something goes wrong set this to 0. skuater.....
return readchar_win(0);
#endif
BOOL ret;
DWORD out;
DWORD mode;
HANDLE h = GetStdHandle (STD_INPUT_HANDLE);
GetConsoleMode (h, &mode);
SetConsoleMode (h, 0); // RAW
bed = r_cons_sleep_begin ();
ret = ReadConsole (h, buf, 1, &out, NULL);
r_cons_sleep_end (bed);
FlushConsoleInputBuffer (h);
if (!ret) {
return -1;
}
SetConsoleMode (h, mode);
#else
r_cons_set_raw (1);
bed = r_cons_sleep_begin ();
// Blocks until either stdin has something to read or a signal happens.
// This serves to check if the terminal window was resized. It avoids the race
// condition that could happen if we did not use pselect or select in case SIGWINCH
// was handled immediately before the blocking call (select or read). The race is
// prevented from happening by having SIGWINCH blocked process-wide except for in
// pselect (that is what pselect is for).
fd_set readfds;
sigset_t sigmask;
FD_ZERO (&readfds);
FD_SET (STDIN_FILENO, &readfds);
r_signal_sigmask (0, NULL, &sigmask);
sigdelset (&sigmask, SIGWINCH);
pselect (STDIN_FILENO + 1, &readfds, NULL, NULL, NULL, &sigmask);
if (sigwinchFlag != 0) {
resizeWin ();
}
ssize_t ret = read (STDIN_FILENO, buf, 1);
r_cons_sleep_end (bed);
if (ret != 1) {
return -1;
}
if (bufactive) {
r_cons_set_raw (0);
}
#endif
return r_cons_controlz (buf[0]);
}
R_API int r_cons_readchar_timeout(ut32 usec) {
#if __UNIX__
struct timeval tv;
fd_set fdset, errset;
FD_ZERO (&fdset);
FD_ZERO (&errset);
FD_SET (0, &fdset);
tv.tv_sec = 0; // usec / 1000;
tv.tv_usec = 1000 * usec;
r_cons_set_raw (1);
if (select (1, &fdset, NULL, &errset, &tv) == 1) {
return r_cons_readchar ();
}
r_cons_set_raw (0);
// timeout
return -1;
#else
return readchar_win (usec);
#endif
}
