[FFmpeg-cvslog] qt-faststart: check return of ftello()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Oct 25 00:39:33 2012 +0200| [4a2297294fa269e05aa2b3fe36b2ea231caa6dca] | committer: Michael Niedermayer

qt-faststart: check return of ftello()

Fixes CID739863
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4a2297294fa269e05aa2b3fe36b2ea231caa6dca
---

 tools/qt-faststart.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/qt-faststart.c b/tools/qt-faststart.c
index 80c5d4b..3e2acd5 100644
--- a/tools/qt-faststart.c
+++ b/tools/qt-faststart.c
@@ -137,11 +137,11 @@ int main(int argc, char *argv[])
                 goto error_out;
             }
             if (   fseeko(infile, -ATOM_PREAMBLE_SIZE, SEEK_CUR)
-                || fread(ftyp_atom, atom_size, 1, infile) != 1) {
+                || fread(ftyp_atom, atom_size, 1, infile) != 1
+                || (start_offset = ftello(infile))<0) {
                 perror(argv[1]);
                 goto error_out;
             }
-            start_offset = ftello(infile);
         } else {
             int ret;
             /* 64-bit special case */