From f55a1d81284cb50289f2b96d2c8259fcc8e92c32 Mon Sep 17 00:00:00 2001 From: Karl Heuer Date: Wed, 18 Feb 1998 22:56:25 +0000 Subject: [PATCH] (Fchar_before): Check POS in valid range before calling CHAR_TO_BYTE. --- src/editfns.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/editfns.c b/src/editfns.c index bb805419293..3ad14164a8f 100644 --- a/src/editfns.c +++ b/src/editfns.c @@ -589,6 +589,8 @@ is returned as a character.") pos_byte = PT_BYTE; else if (MARKERP (pos)) pos_byte = marker_byte_position (pos); + else if (pos <= BEGV || pos > ZV) + return Qnil; else { CHECK_NUMBER_COERCE_MARKER (pos, 0); @@ -596,9 +598,6 @@ is returned as a character.") pos_byte = CHAR_TO_BYTE (XINT (pos)); } - if (pos_byte <= BEGV_BYTE || pos_byte > ZV_BYTE) - return Qnil; - if (!NILP (current_buffer->enable_multibyte_characters)) { DEC_POS (pos_byte); -- 2.39.5