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authorKuang-che Wu <kcwu@csie.org>2014-01-08 15:03:25 +0100
committerAilin Nemui <ailin@esf51.localdomain>2014-06-18 22:47:17 +0200
commitfc4a4d24718f92542e4c606d3f3ff2cf81e8f5e3 (patch)
tree28322ce534ffac23e09334c84f7a11dfacfc9e9f /src/fe-text/textbuffer.c
parent0331970d64db01bd2db0d86a253393938b2539f1 (diff)
downloadirssi-fc4a4d24718f92542e4c606d3f3ff2cf81e8f5e3.zip
Fix UTF-8 character corruption every 32kb of text buffer
Diffstat (limited to 'src/fe-text/textbuffer.c')
-rw-r--r--src/fe-text/textbuffer.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/fe-text/textbuffer.c b/src/fe-text/textbuffer.c
index 0ba7d16e..69f5969c 100644
--- a/src/fe-text/textbuffer.c
+++ b/src/fe-text/textbuffer.c
@@ -23,6 +23,7 @@
#include "module.h"
#include "misc.h"
#include "formats.h"
+#include "utf8.h"
#include "textbuffer.h"
@@ -154,6 +155,17 @@ static void text_chunk_append(TEXT_BUFFER_REC *buffer,
chunk = buffer->cur_text;
while (chunk->pos + len >= TEXT_CHUNK_USABLE_SIZE) {
left = TEXT_CHUNK_USABLE_SIZE - chunk->pos;
+
+ /* don't split utf-8 character. (assume we can split non-utf8 anywhere.) */
+ if (left < len && !is_utf8_leading(data[left])) {
+ int i;
+ for (i = 1; i < 4 && left >= i; i++)
+ if (is_utf8_leading(data[left - i])) {
+ left -= i;
+ break;
+ }
+ }
+
if (left > 0 && data[left-1] == 0)
left--; /* don't split the commands */