From c3671e1d5760d79c083e7565d951f4628c06cf41 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 12 May 2015 13:36:54 +0200 Subject: [PATCH] avformat/riffenc: Use size_t for strlen in ff_riff_write_info_tag() Also dont generated corrupted output for larger than 4gb strings Signed-off-by: Michael Niedermayer --- libavformat/riffenc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c index a629b8aaa8..d429df0ba3 100644 --- a/libavformat/riffenc.c +++ b/libavformat/riffenc.c @@ -269,8 +269,8 @@ void ff_parse_specific_params(AVStream *st, int *au_rate, void ff_riff_write_info_tag(AVIOContext *pb, const char *tag, const char *str) { - int len = strlen(str); - if (len > 0) { + size_t len = strlen(str); + if (len > 0 && len < UINT32_MAX) { len++; ffio_wfourcc(pb, tag); avio_wl32(pb, len);