Avoid overflow in multiplications in utilities related to big number of files in...

[openjpeg.git] / src / bin / jp2 / opj_decompress.c

diff --git a/src/bin/jp2/opj_decompress.c b/src/bin/jp2/opj_decompress.c
index e1217f8913a0145f383daf4e48c63fcda64d9b3d..0d3021cdf2a21da15aa42463c4570a5da9da61d2 100644 (file)
--- a/src/bin/jp2/opj_decompress.c
+++ b/src/bin/jp2/opj_decompress.c
@@ -1367,7 +1367,6 @@ int main(int argc, char **argv)
     if (img_fol.set_imgdir == 1) {
         int it_image;
         num_images = get_num_images(img_fol.imgdirpath);
-
         dirptr = (dircnt_t*)calloc(1, sizeof(dircnt_t));
         if (!dirptr) {
             destroy_parameters(&parameters);
@@ -1387,7 +1386,8 @@ int main(int argc, char **argv)
             goto fin;
         }
         for (it_image = 0; it_image < num_images; it_image++) {
-            dirptr->filename[it_image] = dirptr->filename_buf + it_image * OPJ_PATH_LEN;
+            dirptr->filename[it_image] = dirptr->filename_buf + (size_t)it_image *
+                                         OPJ_PATH_LEN;
         }
 
         if (load_images(dirptr, img_fol.imgdirpath) == 1) {