diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/factor.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/factor.c b/src/factor.c index 8fee75912..ff454b485 100644 --- a/src/factor.c +++ b/src/factor.c @@ -2379,7 +2379,13 @@ lbuf_putc (char c) { size_t buffered = lbuf.end - lbuf.buf; - if (buffered >= FACTOR_PIPE_BUF) + /* Provide immediate output for interactive input. */ + static int line_buffered = -1; + if (line_buffered == -1) + line_buffered = isatty (STDIN_FILENO); + if (line_buffered) + lbuf_flush (); + else if (buffered >= FACTOR_PIPE_BUF) { /* Write output in <= PIPE_BUF chunks so consumers can read atomically. */ |