Fix some more very unlikely Coverity Scan issues.

diff --git a/futatabi/main.cpp b/futatabi/main.cpp
index 69ef55bedc33b89f2f85ad156e13e3b3708412c7..33a486a56440eb9ca93f62e61a51a3fdc55fa135 100644 (file)
--- a/futatabi/main.cpp
+++ b/futatabi/main.cpp
@@ -344,6 +344,10 @@ void load_frame_file(const char *filename, const string &basename, unsigned file
                FrameOnDisk frame;
                frame.pts = hdr.pts();
                frame.offset = ftell(fp);
+               if (frame.offset == -1) {
+                       fprintf(stderr, "WARNING: %s: ftell() failed (%s).\n", filename, strerror(errno));
+                       break;
+               }
                frame.filename_idx = filename_idx;
                frame.size = hdr.file_size();
 
@@ -364,7 +368,11 @@ void load_frame_file(const char *filename, const string &basename, unsigned file
                        filename, skipped_bytes);
        }
 
-       size_t size = ftell(fp);
+       off_t size = ftell(fp);
+       if (size == -1) {
+               fprintf(stderr, "WARNING: %s: ftell() failed (%s).\n", filename, strerror(errno));
+               return;
+       }
        fclose(fp);
 
        db->store_frame_file(basename, size, all_frames);