Revised to casts, deleted all other changes

src/bin/jp2/opj_compress.c

@@ -1957,11 +1957,6 @@ int main(int argc, char **argv)
     /* Read directory if necessary */
     if (img_fol.set_imgdir == 1) {
         num_images = get_num_images(img_fol.imgdirpath);
-        if(num_images > SIZE_MAX/(OPJ_PATH_LEN * sizeof(char)) || num_images < 0){
-            fprintf(stdout, "Max images exceeded\n");
-            ret = 0;
-            goto fin;
-        } else {
         dirptr = (dircnt_t*)malloc(sizeof(dircnt_t));
         if (dirptr) {
             dirptr->filename_buf = (char*)calloc(num_images, OPJ_PATH_LEN * sizeof(
@@ -1972,14 +1967,13 @@ int main(int argc, char **argv)
                 goto fin;
             }
             for (i = 0; i < num_images; i++) {
-                dirptr->filename[i] = dirptr->filename_buf + i * OPJ_PATH_LEN;
+                dirptr->filename[i] = dirptr->filename_buf + (size_t)i * OPJ_PATH_LEN;
             }
         }
         if (load_images(dirptr, img_fol.imgdirpath) == 1) {
             ret = 0;
             goto fin;
         }
-        }
         if (num_images == 0) {
             fprintf(stdout, "Folder is empty\n");
             ret = 0;

src/bin/jp2/opj_decompress.c

@@ -1367,11 +1367,7 @@ int main(int argc, char **argv)
     if (img_fol.set_imgdir == 1) {
         int it_image;
         num_images = get_num_images(img_fol.imgdirpath);
-        if( num_images > SIZE_MAX/(sizeof(char)* OPJ_PATH_LEN) || num_images < 0){
+        
-             fprintf(stderr, "Max number of images exceeded\n");
-             failed = 1;
-             goto fin;
-        } else {
         dirptr = (dircnt_t*)calloc(1, sizeof(dircnt_t));
         if (!dirptr) {
             destroy_parameters(&parameters);
@@ -1391,14 +1387,13 @@ 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) {
             failed = 1;
             goto fin;
         }
-        }
         if (num_images == 0) {
             fprintf(stderr, "Folder is empty\n");
             failed = 1;

src/bin/jp2/opj_dump.c

@@ -516,10 +516,6 @@ int main(int argc, char *argv[])
             return EXIT_FAILURE;
         }
         /* Stores at max 10 image file names*/
-        if(num_images> SIZE_MAX/(OPJ_PATH_LEN * sizeof(char)) || num_images < 0){
-            free(dirptr);
-            return EXIT_FAILURE;
-        }else{
         dirptr->filename_buf = (char*) calloc((size_t) num_images,
                                               OPJ_PATH_LEN * sizeof(char));
         if (!dirptr->filename_buf) {
@@ -533,13 +529,12 @@ int main(int argc, char *argv[])
         }
 
         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) {
             goto fails;
         }
-        }
         if (num_images == 0) {
             fprintf(stdout, "Folder is empty\n");
             goto fails;