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-rw-r--r--include/libbb.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/include/libbb.h b/include/libbb.h
index bae7efb..788140d 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 */