diff options
Diffstat (limited to 'libbb/lineedit.c')
| -rw-r--r-- | libbb/lineedit.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c index a0b1bcf8e..81f6fdeff 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -1451,10 +1451,13 @@ static int lineedit_read_key(char *read_key_buffer) pfd.events = POLLIN; do { poll_again: - /* Wait for input. Can't just call read_key, it will return - * at once if stdin is in non-blocking mode. */ - safe_poll(&pfd, 1, -1); - /* note: read_key sets errno to 0 on success: */ + if (read_key_buffer[0] == 0) { + /* Wait for input. Can't just call read_key, + * it returns at once if stdin + * is in non-blocking mode. */ + safe_poll(&pfd, 1, -1); + } + /* Note: read_key sets errno to 0 on success: */ ic = read_key(STDIN_FILENO, read_key_buffer); if (ENABLE_FEATURE_EDITING_ASK_TERMINAL && (int32_t)ic == KEYCODE_CURSOR_POS |