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Show error when failing to open a tty

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This commit is contained in:
Björn Stenberg 2020-05-19 15:57:35 +02:00
parent 39a8f63640
commit 71c1d7c540
1 changed files with 9 additions and 1 deletions
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10
src/tty.c
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@ -460,6 +460,7 @@ void tty_wait_for_device(void)
struct timeval tv;
static char input_char, previous_char = 0;
static bool first = true;
static int last_errno = 0;
/* Loop until device pops up */
while (true)
@ -506,8 +507,15 @@ void tty_wait_for_device(void)
}
/* Test for accessible device file */
if (access(option.tty_device, R_OK) == 0)
int rc = access(option.tty_device, R_OK);
if (rc == 0) {
last_errno = 0;
return;
}
else if (last_errno != errno) {
tio_printf("%s: %s. Waiting...", option.tty_device, strerror(errno));
last_errno = errno;
}
}
}