diff options
Diffstat (limited to 'include/libbb.h')
| -rw-r--r-- | include/libbb.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/include/libbb.h b/include/libbb.h index bae7efb00..788140d14 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -962,16 +962,23 @@ enum { KEYCODE_FUN11 = -22, KEYCODE_FUN12 = -23, #endif - /* How long the longest ESC sequence we know? */ - KEYCODE_BUFFER_SIZE = 4 + KEYCODE_CURSOR_POS = -0x100, + /* How long is the longest ESC sequence we know? + * We want it big enough to be able to contain + * cursor position sequence "ESC [ 9999 ; 9999 R" + */ + KEYCODE_BUFFER_SIZE = 16 }; /* Note: fd may be in blocking or non-blocking mode, both make sense. * For one, less uses non-blocking mode. * Only the first read syscall inside read_key may block indefinitely * (unless fd is in non-blocking mode), * subsequent reads will time out after a few milliseconds. + * Return of -1 means EOF or error (errno == 0 on EOF). + * buffer[0] is used as a counter of buffered chars and must be 0 + * on first call. */ -int read_key(int fd, smalluint *nbuffered, char *buffer) FAST_FUNC; +int64_t read_key(int fd, char *buffer) FAST_FUNC; /* Networking */ |