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authorKenichi Handa <handa@gnu.org>2013-04-25 00:09:49 +0900
committerKenichi Handa <handa@gnu.org>2013-04-25 00:09:49 +0900
commitec5098562a018551a4ec9652fa7658304b1bbe59 (patch)
tree4979bccd23972c63dd39521863649d64996102b2 /src/coding.c
parent1ffefcf908c9452b752a35306d29eca48c723149 (diff)
downloademacs-ec5098562a018551a4ec9652fa7658304b1bbe59.tar.gz
coding.c (decode_coding_iso_2022): When an invalid escape sequence is encountered, reset the invocation and designation status to the safest one.
Diffstat (limited to 'src/coding.c')
-rw-r--r--src/coding.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/coding.c b/src/coding.c
index f9799035b3c..b9fb92c481b 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -3887,6 +3887,14 @@ decode_coding_iso_2022 (struct coding_system *coding)
*charbuf++ = c < 0 ? -c : ASCII_BYTE_P (c) ? c : BYTE8_TO_CHAR (c);
char_offset++;
coding->errors++;
+ /* Reset the invocation and designation status to the safest
+ one; i.e. designate ASCII to the graphic register 0, and
+ invoke that register to the graphic plane 0. This typically
+ helps the case that an designation sequence for ASCII "ESC (
+ B" is somehow broken (e.g. broken by a newline). */
+ CODING_ISO_INVOCATION (coding, 0) = 0;
+ CODING_ISO_DESIGNATION (coding, 0) = charset_ascii;
+ charset_id_0 = charset_ascii;
continue;
break_loop: