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authorKenichi Handa <handa@gnu.org>2013-07-20 20:51:53 +0900
committerKenichi Handa <handa@gnu.org>2013-07-20 20:51:53 +0900
commit7e67809332c7ac0c798eb13d5573a5804db8134e (patch)
treeee8d4702ed94e7179ae30740f6575ca698539d30 /src/coding.c
parent0efe47a860bba25617132f02e2220056bfa098b0 (diff)
parent6b1b199dc0e3e7f8028fabe87fac446f5a845479 (diff)
downloademacs-7e67809332c7ac0c798eb13d5573a5804db8134e.tar.gz
merge trunk
Diffstat (limited to 'src/coding.c')
-rw-r--r--src/coding.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/coding.c b/src/coding.c
index 3acbd090e13..0cdd8f9cd9e 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -1365,6 +1365,45 @@ decode_coding_utf_8 (struct coding_system *coding)
break;
}
+ /* In the simple case, rapidly handle ordinary characters */
+ if (multibytep && ! eol_dos
+ && charbuf < charbuf_end - 6 && src < src_end - 6)
+ {
+ while (charbuf < charbuf_end - 6 && src < src_end - 6)
+ {
+ c1 = *src;
+ if (c1 & 0x80)
+ break;
+ src++;
+ consumed_chars++;
+ *charbuf++ = c1;
+
+ c1 = *src;
+ if (c1 & 0x80)
+ break;
+ src++;
+ consumed_chars++;
+ *charbuf++ = c1;
+
+ c1 = *src;
+ if (c1 & 0x80)
+ break;
+ src++;
+ consumed_chars++;
+ *charbuf++ = c1;
+
+ c1 = *src;
+ if (c1 & 0x80)
+ break;
+ src++;
+ consumed_chars++;
+ *charbuf++ = c1;
+ }
+ /* If we handled at least one character, restart the main loop. */
+ if (src != src_base)
+ continue;
+ }
+
if (byte_after_cr >= 0)
c1 = byte_after_cr, byte_after_cr = -1;
else