From db616d5222a988e4849e49a240dd97564dd9e478 Mon Sep 17 00:00:00 2001
From: eugeni <eugeni@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Thu, 29 May 2008 18:35:21 +0000
Subject: [PATCH] Clear iconv conversion state also in libass.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26923 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libass/ass.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/libass/ass.c b/libass/ass.c
index 4b803db95d..c5323289a7 100644
--- a/libass/ass.c
+++ b/libass/ass.c
@@ -846,13 +846,19 @@ static char* sub_recode(char* data, size_t size, char* codepage)
 		char* ip;
 		char* op;
 		size_t rc;
+		int clear = 0;
 		
 		outbuf = malloc(size);
 		ip = data;
 		op = outbuf;
 		
-		while (ileft) {
-			rc = iconv(icdsc, &ip, &ileft, &op, &oleft);
+		while (1) {
+			if (ileft)
+				rc = iconv(icdsc, &ip, &ileft, &op, &oleft);
+			else {// clear the conversion state and leave
+				clear = 1;
+				rc = iconv(icdsc, NULL, NULL, &op, &oleft);
+			}
 			if (rc == (size_t)(-1)) {
 				if (errno == E2BIG) {
 					size_t offset = op - outbuf;
@@ -864,7 +870,9 @@ static char* sub_recode(char* data, size_t size, char* codepage)
 					mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_ErrorRecodingFile);
 					return NULL;
 				}
-			}
+			} else
+				if (clear)
+					break;
 		}
 		outbuf[osize - oleft - 1] = 0;
 	}