1
0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-01-18 12:52:44 +01:00

shell: don't ignore IO errors

This commit is contained in:
René Kijewski 2014-03-10 13:48:00 +01:00
parent 3f289760bf
commit a1df6a86bb
2 changed files with 7 additions and 1 deletions

View File

@ -217,6 +217,9 @@ static int readline(shell_t *shell, char *buf, size_t size)
}
c = shell->readchar();
if (c < 0) {
return 1;
}
shell->put_char(c);
/* We allow Unix linebreaks (\n), DOS linebreaks (\r\n), and Mac linebreaks (\r). */

View File

@ -53,7 +53,10 @@ static void print_echo(int argc, char **argv)
static int shell_readc(void)
{
char c;
posix_read(uart0_handler_pid, &c, 1);
int result = posix_read(uart0_handler_pid, &c, 1);
if (result != 1) {
return -1;
}
return (unsigned char) c;
}