postgres
diff --git a/‎src/bin/pg_dump/pg_backup_tar.c
Copy file name to clipboardExpand all lines: src/bin/pg_dump/pg_backup_tar.c
+6-2Lines changed: 6 additions & 2 deletions b/‎src/bin/pg_dump/pg_backup_tar.c
Copy file name to clipboardExpand all lines: src/bin/pg_dump/pg_backup_tar.c
+6-2Lines changed: 6 additions & 2 deletions
@@ -1094,12 +1094,16 @@ _tarAddFile(ArchiveHandle *AH, TAR_MEMBER *th)
 	/*
 	 * Find file len & go back to start.
 	 */
-	fseeko(tmp, 0, SEEK_END);
+	if (fseeko(tmp, 0, SEEK_END) != 0)
+		exit_horribly(modulename, "error during file seek: %s\n",
+					  strerror(errno));
 	th->fileLen = ftello(tmp);
 	if (th->fileLen < 0)
 		exit_horribly(modulename, "could not determine seek position in archive file: %s\n",
 					  strerror(errno));
-	fseeko(tmp, 0, SEEK_SET);
+	if (fseeko(tmp, 0, SEEK_SET) != 0)
+		exit_horribly(modulename, "error during file seek: %s\n",
+					  strerror(errno));
 
 	_tarWriteHeader(th);