From: Kenichi Handa <handa@m17n.org>
Date: Fri, 26 Jul 2002 11:53:25 +0000 (+0000)
Subject: (detect_coding_iso2022): While checking a byte sequence
X-Git-Tag: ttn-vms-21-2-B4~13850
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=8d239c89c6580517905dfcddc02e176518a475b0;p=emacs.git

(detect_coding_iso2022): While checking a byte sequence
for CODING_CATEGORY_MASK_ISO_8_2, if we read one extra byte, check
it in the normal loop.
---

diff --git a/src/coding.c b/src/coding.c
index b7bc5e6b4f2..e285e1c27f3 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -1349,6 +1349,7 @@ detect_coding_iso2022 (src, src_end, multibytep)
   while (mask && src < src_end)
     {
       ONE_MORE_BYTE_CHECK_MULTIBYTE (c, multibytep);
+    retry:
       switch (c)
 	{
 	case ISO_CODE_ESC:
@@ -1523,6 +1524,8 @@ detect_coding_iso2022 (src, src_end, multibytep)
 		  && mask & CODING_CATEGORY_MASK_ISO_8_2)
 		{
 		  int i = 1;
+
+		  c = -1;
 		  while (src < src_end)
 		    {
 		      ONE_MORE_BYTE_CHECK_MULTIBYTE (c, multibytep);
@@ -1535,6 +1538,9 @@ detect_coding_iso2022 (src, src_end, multibytep)
 		    mask &= ~CODING_CATEGORY_MASK_ISO_8_2;
 		  else
 		    mask_found |= CODING_CATEGORY_MASK_ISO_8_2;
+		  if (c >= 0)
+		    /* This means that we have read one extra byte.  */
+		    goto retry;
 		}
 	    }
 	  break;