From: Gerd Moellmann <gerd@gnu.org>
Date: Mon, 27 Mar 2000 16:02:34 +0000 (+0000)
Subject: (INC_TEXT_POS, DEC_TEXT_POS): Add parameter MULTIBYTE_P.
X-Git-Tag: emacs-pretest-21.0.90~4455
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7bed37e412c8fa2a7db05bb51a8d4806c39f532d;p=emacs.git

(INC_TEXT_POS, DEC_TEXT_POS): Add parameter MULTIBYTE_P.
---

diff --git a/src/dispextern.h b/src/dispextern.h
index 355454a4217..76578b8fde4 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -130,21 +130,27 @@ struct text_pos
 
 /* Increment text position POS.  */
 
-#define INC_TEXT_POS(POS)			\
+#define INC_TEXT_POS(POS, MULTIBYTE_P)		\
      do						\
        {					\
 	 ++(POS).charpos;			\
-	 INC_POS ((POS).bytepos);		\
+         if (MULTIBYTE_P)			\
+	   INC_POS ((POS).bytepos);		\
+	 else					\
+	   ++(POS).bytepos;			\
        }					\
      while (0)
 
 /* Decrement text position POS.  */
 
-#define DEC_TEXT_POS(POS)			\
+#define DEC_TEXT_POS(POS, MULTIBYTE_P)		\
      do						\
        {					\
 	 --(POS).charpos;			\
-	 DEC_POS ((POS).bytepos);		\
+         if (MULTIBYTE_P)			\
+	   DEC_POS ((POS).bytepos);		\
+	 else					\
+	   --(POS).bytepos;			\
        }					\
      while (0)