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#73: read multiple bytes from stdin with a single read() call

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This commit is contained in:
Joe Merten
2018-01-16 02:58:51 +01:00
parent ab140a283b
commit 4845b66d99
1 changed files with 29 additions and 25 deletions
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54
picocom.c
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@ -1439,11 +1439,12 @@ loop(void)
}
if ( FD_ISSET(STI, &rdset) ) {
/* read from terminal */
char rx_buf[64];
int i;
do {
n = read(STI, &c, 1);
n = read(STI, rx_buf, sizeof(rx_buf));
} while (n < 0 && errno == EINTR);
if (n == 0) {
stdin_closed = 1;
@ -1457,30 +1458,33 @@ loop(void)
goto skip_proc_STI;
}
switch (state) {
case ST_COMMAND:
if ( c == opts.escape ) {
/* pass the escape character down */
if ( tty_q_push((char *)&c, 1) != 1 )
fd_printf(STO, "\x07");
} else {
/* process command key */
if ( do_command(c) )
/* picocom exit */
return LE_CMD;
for ( i = 0; i < n; i++ ) {
c = rx_buf[i];
switch (state) {
case ST_COMMAND:
if ( c == opts.escape ) {
/* pass the escape character down */
if ( tty_q_push((char *)&c, 1) != 1 )
fd_printf(STO, "\x07");
} else {
/* process command key */
if ( do_command(c) )
/* picocom exit */
return LE_CMD;
}
state = ST_TRANSPARENT;
break;
case ST_TRANSPARENT:
if ( ! opts.noescape && c == opts.escape )
state = ST_COMMAND;
else
if ( tty_q_push((char *)&c, 1) != 1 )
fd_printf(STO, "\x07");
break;
default:
assert(0);
break;
}
state = ST_TRANSPARENT;
break;
case ST_TRANSPARENT:
if ( ! opts.noescape && c == opts.escape )
state = ST_COMMAND;
else
if ( tty_q_push((char *)&c, 1) != 1 )
fd_printf(STO, "\x07");
break;
default:
assert(0);
break;
}
}
skip_proc_STI: