[FFmpeg-cvslog] tiff: run strlen() after setting the pointer

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Oct 17 20:58:08 2012 +0200| [d185c8a79bbdcabef4e4cf9efa1bccbe0f9ebf41] | committer: Michael Niedermayer

tiff: run strlen() after setting the pointer

Fixes CID733803
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d185c8a79bbdcabef4e4cf9efa1bccbe0f9ebf41
---

 libavcodec/tiff.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index ad0b0ba..1f9a029 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -208,8 +208,9 @@ static char *doubles2str(double *dp, int count, const char *sep)
 {
     int i;
     char *ap, *ap0;
-    int component_len = 15 + strlen(sep);
+    int component_len;
     if (!sep) sep = ", ";
+    component_len = 15 + strlen(sep);
     ap = av_malloc(component_len * count);
     if (!ap)
         return NULL;