X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=futatabi%2Fmain.cpp;fp=futatabi%2Fmain.cpp;h=33a486a56440eb9ca93f62e61a51a3fdc55fa135;hb=0921ffc0fba2e74ecbfa00d899f3a6be892b1b33;hp=69ef55bedc33b89f2f85ad156e13e3b3708412c7;hpb=4a2b75458cf7e5c341d12b476fe9f806c3f1e73c;p=nageru

diff --git a/futatabi/main.cpp b/futatabi/main.cpp
index 69ef55b..33a486a 100644
--- 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);