279   int i, j;  in compare_files()  local
282   for (i = 0; i < 2; i++)  in compare_files()
286           initbuffer (&lba[i][j]);  in compare_files()
287           all_line[i][j] = &lba[i][j];  in compare_files()
289       alt[i][0] = 0;  in compare_files()
290       alt[i][1] = 0;  in compare_files()
291       alt[i][2] = 0;  in compare_files()
292       streams[i] = (STREQ (infiles[i], "-") ? stdin : fopen (infiles[i], "r"));  in compare_files()
293       if (!streams[i])  in compare_files()
294         error (EXIT_FAILURE, errno, "%s", quotef (infiles[i]));  in compare_files()
296       fadvise (streams[i], FADVISE_SEQUENTIAL);  in compare_files()
298       thisline[i] = readlinebuffer_delim (all_line[i][alt[i][0]], streams[i],  in compare_files()
300       if (ferror (streams[i]))  in compare_files()
301         error (EXIT_FAILURE, errno, "%s", quotef (infiles[i]));  in compare_files()
361       for (i = 0; i < 2; i++)  in compare_files()
362         if (fill_up[i])  in compare_files()
365             alt[i][2] = alt[i][1];  in compare_files()
366             alt[i][1] = alt[i][0];  in compare_files()
367             alt[i][0] = (alt[i][0] + 1) & 0x03;  in compare_files()
369             thisline[i] = readlinebuffer_delim (all_line[i][alt[i][0]],  in compare_files()
370                                                 streams[i], delim);  in compare_files()
372             if (thisline[i])  in compare_files()
373               check_order (all_line[i][alt[i][1]], thisline[i], i + 1);  in compare_files()
378             else if (all_line[i][alt[i][2]]->buffer)  in compare_files()
379               check_order (all_line[i][alt[i][2]],  in compare_files()
380                            all_line[i][alt[i][1]], i + 1);  in compare_files()
382             if (ferror (streams[i]))  in compare_files()
383               error (EXIT_FAILURE, errno, "%s", quotef (infiles[i]));  in compare_files()
385             fill_up[i] = false;  in compare_files()
389   for (i = 0; i < 2; i++)  in compare_files()
390     if (fclose (streams[i]) != 0)  in compare_files()
391       error (EXIT_FAILURE, errno, "%s", quotef (infiles[i]));  in compare_files()