1516                   char *const *files, size_t nfiles,  in sort_buffer_size()  argument
1537            : STREQ (files[i], "-") ? fstat (STDIN_FILENO, &st)  in sort_buffer_size()
1538            : stat (files[i], &st))  in sort_buffer_size()
1540         sort_die (_("stat failed"), files[i]);  in sort_buffer_size()
2987 open_input_files (struct sortfile *files, size_t nfiles, FILE ***pfps)  in open_input_files()  argument
2995       fps[i] = (files[i].temp && files[i].temp->state != UNCOMPRESSED  in open_input_files()
2996                 ? open_temp (files[i].temp)  in open_input_files()
2997                 : stream_open (files[i].name, "r"));  in open_input_files()
3014 mergefps (struct sortfile *files, size_t ntemps, size_t nfiles,  in mergefps()  argument
3042       if (fillbuf (&buffer[i], fps[i], files[i].name))  in mergefps()
3052           xfclose (fps[i], files[i].name);  in mergefps()
3056               zaptemp (files[i].name);  in mergefps()
3062               files[j] = files[j + 1];  in mergefps()
3126           if (fillbuf (&buffer[ord[0]], fps[ord[0]], files[ord[0]].name))  in mergefps()
3139               xfclose (fps[ord[0]], files[ord[0]].name);  in mergefps()
3143                   zaptemp (files[ord[0]].name);  in mergefps()
3149                   files[i] = files[i + 1];  in mergefps()
3213 mergefiles (struct sortfile *files, size_t ntemps, size_t nfiles,  in mergefiles()  argument
3217   size_t nopened = open_input_files (files, nfiles, &fps);  in mergefiles()
3219     sort_die (_("open failed"), files[nopened].name);  in mergefiles()
3220   mergefps (files, ntemps, nopened, ofp, output_file, fps);  in mergefiles()
3787 avoid_trashing_input (struct sortfile *files, size_t ntemps,  in avoid_trashing_input()  argument
3794       bool is_stdin = STREQ (files[i].name, "-");  in avoid_trashing_input()
3798       if (outfile && STREQ (outfile, files[i].name) && !is_stdin)  in avoid_trashing_input()
3808                     : stat (files[i].name, &instat))  in avoid_trashing_input()
3819               mergefiles (&files[i], 0, 1, tftp, tempcopy->name);  in avoid_trashing_input()
3822           files[i].name = tempcopy->name;  in avoid_trashing_input()
3823           files[i].temp = tempcopy;  in avoid_trashing_input()
3838 check_inputs (char *const *files, size_t nfiles)  in check_inputs()  argument
3842       if (STREQ (files[i], "-"))  in check_inputs()
3845       if (euidaccess (files[i], R_OK) != 0)  in check_inputs()
3846         sort_die (_("cannot read"), files[i]);  in check_inputs()
3873 merge (struct sortfile *files, size_t ntemps, size_t nfiles,  in merge()  argument
3898           size_t num_merged = mergefiles (&files[in], MIN (ntemps, nmerge),  in merge()
3901           files[out].name = temp->name;  in merge()
3902           files[out].temp = temp;  in merge()
3917           size_t num_merged = mergefiles (&files[in], MIN (ntemps, nshortmerge),  in merge()
3920           files[out].name = temp->name;  in merge()
3921           files[out++].temp = temp;  in merge()
3927       memmove (&files[out], &files[in], (nfiles - in) * sizeof *files);  in merge()
3932   avoid_trashing_input (files, ntemps, nfiles, output_file);  in merge()
3942       size_t nopened = open_input_files (files, nfiles, &fps);  in merge()
3949               mergefps (files, ntemps, nfiles, ofp, output_file, fps);  in merge()
3956         sort_die (_("open failed"), files[nopened].name);  in merge()
3968           xfclose (fps[nopened], files[nopened].name);  in merge()
3974       mergefps (&files[0], MIN (ntemps, nopened), nopened, tfp, temp->name,  in merge()
3977       files[0].name = temp->name;  in merge()
3978       files[0].temp = temp;  in merge()
3980       memmove (&files[1], &files[nopened], (nfiles - nopened) * sizeof *files);  in merge()
3989 sort (char *const *files, size_t nfiles, char const *output_file,  in sort()  argument
4001       char const *file = *files;  in sort()
4023                  sort_buffer_size (&fp, 1, files, nfiles, bytes_per_line));  in sort()
4025       files++;  in sort()
4288   char **files;  in main()  local
4388   files = xnmalloc (argc, sizeof *files);  in main()
4411           files[nfiles++] = argv[optind++];  in main()
4464             files[nfiles++] = optarg;  in main()
4670           error (0, 0, _("extra operand %s"), quoteaf (files[0]));  in main()
4687           free (files);  in main()
4688           files = tok.tok;  in main()
4692               if (STREQ (files[i], "-"))  in main()
4695                        quoteaf (files[i]));  in main()
4696               else if (files[i][0] == '\0')  in main()
4785       free (files);  in main()
4786       files = xmalloc (sizeof *files);  in main()
4787       *files = (char *) "-";  in main()
4799                quoteaf (files[1]), checkonly);  in main()
4810       exit (check (files[0], checkonly) ? EXIT_SUCCESS : SORT_OUT_OF_ORDER);  in main()
4814   check_inputs (files, nfiles);  in main()
4824         sortfiles[i].name = files[i];  in main()
4840       sort (files, nfiles, outfile, nthreads);  in main()