videoio: images: fix buffer overflow problem

c560ff23 · Alexander Alekhin · e4985f60 · c560ff23
Commit c560ff23 authored Dec 01, 2016 by Alexander Alekhin
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cap_images.cpp modules/videoio/src/cap_images.cpp +4 -1

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--- a/modules/videoio/src/cap_images.cpp
+++ b/modules/videoio/src/cap_images.cpp
@@ -345,7 +345,10 @@ bool CvVideoWriter_Images::writeFrame( const IplImage* image )
 {
    char str[_MAX_PATH];
    sprintf(str, filename, currentframe);
-    int ret = cvSaveImage(str, image, &params[0]);
+    std::vector<int> image_params = params;
+    image_params.push_back(0); // append parameters 'stop' mark
+    image_params.push_back(0);
+    int ret = cvSaveImage(str, image, &image_params[0]);

    currentframe++;