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kernel - pmap (mainly i386) - fix TLB race and other issues
[dragonfly.git] / usr.bin / pr / pr.c
blob56d176e8ff3e98520cbe78242c3e163a1d667cf3
1 /*-
2 * Copyright (c) 1991 Keith Muller.
3 * Copyright (c) 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Keith Muller of the University of California, San Diego.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * $FreeBSD: src/usr.bin/pr/pr.c,v 1.9.2.4 2002/04/15 17:16:57 jmallett Exp $
38 * $DragonFly: src/usr.bin/pr/pr.c,v 1.4 2008/10/16 01:52:32 swildner Exp $
39 *
40 * @(#) Copyright (c) 1993 The Regents of the University of California. All rights reserved.
41 * @(#)pr.c 8.2 (Berkeley) 4/16/94
42 */
43
44 #include <sys/types.h>
45 #include <sys/time.h>
46 #include <sys/stat.h>
47
48 #include <ctype.h>
49 #include <errno.h>
50 #include <langinfo.h>
51 #include <locale.h>
52 #include <signal.h>
53 #include <stdio.h>
54 #include <stdlib.h>
55 #include <string.h>
56 #include <unistd.h>
57
58 #include "pr.h"
59 #include "extern.h"
60
61 /*
62 * pr: a printing and pagination filter. If multiple input files
63 * are specified, each is read, formatted, and written to standard
64 * output. By default, input is separated into 66-line pages, each
65 * with a header that includes the page number, date, time and the
66 * files pathname.
67 *
68 * Complies with posix P1003.2/D11
69 */
70
71 /*
72 * parameter variables
73 */
74 int pgnm; /* starting page number */
75 int clcnt; /* number of columns */
76 int colwd; /* column data width - multiple columns */
77 int across; /* mult col flag; write across page */
78 int dspace; /* double space flag */
79 char inchar; /* expand input char */
80 int ingap; /* expand input gap */
81 int pausefst; /* Pause before first page */
82 int pauseall; /* Pause before each page */
83 int formfeed; /* use formfeed as trailer */
84 char *header; /* header name instead of file name */
85 char ochar; /* contract output char */
86 int ogap; /* contract output gap */
87 int lines; /* number of lines per page */
88 int merge; /* merge multiple files in output */
89 char nmchar; /* line numbering append char */
90 int nmwd; /* width of line number field */
91 int offst; /* number of page offset spaces */
92 int nodiag; /* do not report file open errors */
93 char schar; /* text column separation character */
94 int sflag; /* -s option for multiple columns */
95 int nohead; /* do not write head and trailer */
96 int pgwd; /* page width with multiple col output */
97 char *timefrmt; /* time conversion string */
98
99 /*
100 * misc globals
101 */
102 FILE *err; /* error message file pointer */
103 int addone; /* page length is odd with double space */
104 int errcnt; /* error count on file processing */
105 char digs[] = "0123456789"; /* page number translation map */
106
107 int
108 main(int argc, char **argv)
109 {
110 int ret_val;
111
112 if (signal(SIGINT, SIG_IGN) != SIG_IGN)
113 (void)signal(SIGINT, terminate);
114 ret_val = setup(argc, argv);
115 if (!ret_val) {
116 /*
117 * select the output format based on options
118 */
119 if (merge)
120 ret_val = mulfile(argc, argv);
121 else if (clcnt == 1)
122 ret_val = onecol(argc, argv);
123 else if (across)
124 ret_val = horzcol(argc, argv);
125 else
126 ret_val = vertcol(argc, argv);
127 } else
128 usage();
129 flsh_errs();
130 if (errcnt || ret_val)
131 exit(1);
132 return(0);
133 }
134
135 /*
136 * Check if we should pause and write an alert character and wait for a
137 * carriage return on /dev/tty.
138 */
139 void
140 ttypause(int pagecnt)
141 {
142 int pch;
143 FILE *ttyfp;
144
145 if ((pauseall || (pausefst && pagecnt == 1)) &&
146 isatty(STDOUT_FILENO)) {
147 if ((ttyfp = fopen("/dev/tty", "r")) != NULL) {
148 (void)putc('\a', stderr);
149 while ((pch = getc(ttyfp)) != '\n' && pch != EOF)
150 ;
151 (void)fclose(ttyfp);
152 }
153 }
154 }
155
156 /*
157 * onecol: print files with only one column of output.
158 * Line length is unlimited.
159 */
160 int
161 onecol(int argc, char **argv)
162 {
163 int cnt = -1;
164 int off;
165 int lrgln;
166 int linecnt;
167 int num;
168 int lncnt;
169 int pagecnt;
170 int ips;
171 int ops;
172 int cps;
173 char *obuf;
174 char *lbuf;
175 char *nbuf;
176 char *hbuf;
177 char *ohbuf;
178 FILE *inf;
179 char *fname;
180 int mor;
181
182 if (nmwd)
183 num = nmwd + 1;
184 else
185 num = 0;
186 off = num + offst;
187
188 /*
189 * allocate line buffer
190 */
191 if ((obuf = malloc((unsigned)(LBUF + off)*sizeof(char))) == NULL) {
192 mfail();
193 return(1);
194 }
195 /*
196 * allocate header buffer
197 */
198 if ((hbuf = malloc((unsigned)(HDBUF + offst)*sizeof(char))) == NULL) {
199 mfail();
200 return(1);
201 }
202
203 ohbuf = hbuf + offst;
204 nbuf = obuf + offst;
205 lbuf = nbuf + num;
206 if (num)
207 nbuf[--num] = nmchar;
208 if (offst) {
209 (void)memset(obuf, (int)' ', offst);
210 (void)memset(hbuf, (int)' ', offst);
211 }
212
213 /*
214 * loop by file
215 */
216 while ((inf = nxtfile(argc, argv, &fname, ohbuf, 0)) != NULL) {
217 if (pgnm) {
218 /*
219 * skip to specified page
220 */
221 if (inskip(inf, pgnm, lines))
222 continue;
223 pagecnt = pgnm;
224 } else
225 pagecnt = 1;
226 lncnt = 0;
227
228 /*
229 * loop by page
230 */
231 for(;;) {
232 linecnt = 0;
233 lrgln = 0;
234 ops = 0;
235 ips = 0;
236 cps = 0;
237
238 ttypause(pagecnt);
239
240 /*
241 * loop by line
242 */
243 while (linecnt < lines) {
244 /*
245 * input next line
246 */
247 if ((cnt = inln(inf,lbuf,LBUF,&cps,0,&mor)) < 0)
248 break;
249 if (!linecnt && !nohead &&
250 prhead(hbuf, fname, pagecnt))
251 return(1);
252
253 /*
254 * start of new line.
255 */
256 if (!lrgln) {
257 if (num)
258 addnum(nbuf, num, ++lncnt);
259 if (otln(obuf,cnt+off, &ips, &ops, mor))
260 return(1);
261 } else if (otln(lbuf, cnt, &ips, &ops, mor))
262 return(1);
263
264 /*
265 * if line bigger than buffer, get more
266 */
267 if (mor) {
268 lrgln = 1;
269 continue;
270 }
271
272 /*
273 * whole line rcvd. reset tab proc. state
274 */
275 ++linecnt;
276 lrgln = 0;
277 ops = 0;
278 ips = 0;
279 }
280
281 /*
282 * fill to end of page
283 */
284 if (linecnt && prtail(lines-linecnt-lrgln, lrgln))
285 return(1);
286
287 /*
288 * On EOF go to next file
289 */
290 if (cnt < 0)
291 break;
292 ++pagecnt;
293 }
294 if (inf != stdin)
295 (void)fclose(inf);
296 }
297 if (eoptind < argc)
298 return(1);
299 return(0);
300 }
301
302 /*
303 * vertcol: print files with more than one column of output down a page
304 */
305 int
306 vertcol(int argc, char **argv)
307 {
308 char *ptbf;
309 char **lstdat;
310 int i;
311 int j;
312 int cnt = -1;
313 int pln;
314 int *indy;
315 int cvc;
316 int *lindy;
317 int lncnt;
318 int stp;
319 int pagecnt;
320 int col = colwd + 1;
321 int mxlen = pgwd + offst + 1;
322 int mclcnt = clcnt - 1;
323 struct vcol *vc;
324 int mvc;
325 int tvc;
326 int cw = nmwd + 1;
327 int fullcol;
328 char *buf;
329 char *hbuf;
330 char *ohbuf;
331 char *fname;
332 FILE *inf;
333 int ips = 0;
334 int cps = 0;
335 int ops = 0;
336 int mor = 0;
337
338 /*
339 * allocate page buffer
340 */
341 if ((buf = malloc((unsigned)lines*mxlen*sizeof(char))) == NULL) {
342 mfail();
343 return(1);
344 }
345
346 /*
347 * allocate page header
348 */
349 if ((hbuf = malloc((unsigned)(HDBUF + offst)*sizeof(char))) == NULL) {
350 mfail();
351 return(1);
352 }
353 ohbuf = hbuf + offst;
354 if (offst)
355 (void)memset(hbuf, (int)' ', offst);
356
357 /*
358 * col pointers when no headers
359 */
360 mvc = lines * clcnt;
361 if ((vc =
362 (struct vcol *)malloc((unsigned)mvc*sizeof(struct vcol))) == NULL) {
363 mfail();
364 return(1);
365 }
366
367 /*
368 * pointer into page where last data per line is located
369 */
370 if ((lstdat = (char **)malloc((unsigned)lines*sizeof(char *))) == NULL){
371 mfail();
372 return(1);
373 }
374
375 /*
376 * fast index lookups to locate start of lines
377 */
378 if ((indy = (int *)malloc((unsigned)lines*sizeof(int))) == NULL) {
379 mfail();
380 return(1);
381 }
382 if ((lindy = (int *)malloc((unsigned)lines*sizeof(int))) == NULL) {
383 mfail();
384 return(1);
385 }
386
387 if (nmwd)
388 fullcol = col + cw;
389 else
390 fullcol = col;
391
392 /*
393 * initialize buffer lookup indexes and offset area
394 */
395 for (j = 0; j < lines; ++j) {
396 lindy[j] = j * mxlen;
397 indy[j] = lindy[j] + offst;
398 if (offst) {
399 ptbf = buf + lindy[j];
400 (void)memset(ptbf, (int)' ', offst);
401 ptbf += offst;
402 } else
403 ptbf = buf + indy[j];
404 lstdat[j] = ptbf;
405 }
406
407 /*
408 * loop by file
409 */
410 while ((inf = nxtfile(argc, argv, &fname, ohbuf, 0)) != NULL) {
411 if (pgnm) {
412 /*
413 * skip to requested page
414 */
415 if (inskip(inf, pgnm, lines))
416 continue;
417 pagecnt = pgnm;
418 } else
419 pagecnt = 1;
420 lncnt = 0;
421
422 /*
423 * loop by page
424 */
425 for(;;) {
426 ttypause(pagecnt);
427
428 /*
429 * loop by column
430 */
431 cvc = 0;
432 for (i = 0; i < clcnt; ++i) {
433 j = 0;
434 /*
435 * if last column, do not pad
436 */
437 if (i == mclcnt)
438 stp = 1;
439 else
440 stp = 0;
441 /*
442 * loop by line
443 */
444 for(;;) {
445 /*
446 * is this first column
447 */
448 if (!i) {
449 ptbf = buf + indy[j];
450 lstdat[j] = ptbf;
451 } else
452 ptbf = lstdat[j];
453 vc[cvc].pt = ptbf;
454
455 /*
456 * add number
457 */
458 if (nmwd) {
459 addnum(ptbf, nmwd, ++lncnt);
460 ptbf += nmwd;
461 *ptbf++ = nmchar;
462 }
463
464 /*
465 * input next line
466 */
467 cnt = inln(inf,ptbf,colwd,&cps,1,&mor);
468 vc[cvc++].cnt = cnt;
469 if (cnt < 0)
470 break;
471 ptbf += cnt;
472
473 /*
474 * pad all but last column on page
475 */
476 if (!stp) {
477 /*
478 * pad to end of column
479 */
480 if (sflag)
481 *ptbf++ = schar;
482 else if ((pln = col-cnt) > 0) {
483 (void)memset(ptbf,
484 (int)' ',pln);
485 ptbf += pln;
486 }
487 }
488 /*
489 * remember last char in line
490 */
491 lstdat[j] = ptbf;
492 if (++j >= lines)
493 break;
494 }
495 if (cnt < 0)
496 break;
497 }
498
499 /*
500 * when -t (no header) is specified the spec requires
501 * the min number of lines. The last page may not have
502 * balanced length columns. To fix this we must reorder
503 * the columns. This is a very slow technique so it is
504 * only used under limited conditions. Without -t, the
505 * balancing of text columns is unspecified. To NOT
506 * balance the last page, add the global variable
507 * nohead to the if statement below e.g.
508 *
509 * if ((cnt < 0) && nohead && cvc ......
510 */
511 --cvc;
512
513 /*
514 * check to see if last page needs to be reordered
515 */
516 if ((cnt < 0) && cvc && ((mvc-cvc) >= clcnt)){
517 pln = cvc/clcnt;
518 if (cvc % clcnt)
519 ++pln;
520
521 /*
522 * print header
523 */
524 if (!nohead && prhead(hbuf, fname, pagecnt))
525 return(1);
526 for (i = 0; i < pln; ++i) {
527 ips = 0;
528 ops = 0;
529 if (offst&& otln(buf,offst,&ips,&ops,1))
530 return(1);
531 tvc = i;
532
533 for (j = 0; j < clcnt; ++j) {
534 /*
535 * determine column length
536 */
537 if (j == mclcnt) {
538 /*
539 * last column
540 */
541 cnt = vc[tvc].cnt;
542 if (nmwd)
543 cnt += cw;
544 } else if (sflag) {
545 /*
546 * single ch between
547 */
548 cnt = vc[tvc].cnt + 1;
549 if (nmwd)
550 cnt += cw;
551 } else
552 cnt = fullcol;
553 if (otln(vc[tvc].pt, cnt, &ips,
554 &ops, 1))
555 return(1);
556 tvc += pln;
557 if (tvc >= cvc)
558 break;
559 }
560 /*
561 * terminate line
562 */
563 if (otln(buf, 0, &ips, &ops, 0))
564 return(1);
565 }
566 /*
567 * pad to end of page
568 */
569 if (prtail((lines - pln), 0))
570 return(1);
571 /*
572 * done with output, go to next file
573 */
574 break;
575 }
576
577 /*
578 * determine how many lines to output
579 */
580 if (i > 0)
581 pln = lines;
582 else
583 pln = j;
584
585 /*
586 * print header
587 */
588 if (pln && !nohead && prhead(hbuf, fname, pagecnt))
589 return(1);
590
591 /*
592 * output each line
593 */
594 for (i = 0; i < pln; ++i) {
595 ptbf = buf + lindy[i];
596 if ((j = lstdat[i] - ptbf) <= offst)
597 break;
598 if (otln(ptbf, j, &ips, &ops, 0))
599 return(1);
600 }
601
602 /*
603 * pad to end of page
604 */
605 if (pln && prtail((lines - pln), 0))
606 return(1);
607
608 /*
609 * if EOF go to next file
610 */
611 if (cnt < 0)
612 break;
613 ++pagecnt;
614 }
615 if (inf != stdin)
616 (void)fclose(inf);
617 }
618 if (eoptind < argc)
619 return(1);
620 return(0);
621 }
622
623 /*
624 * horzcol: print files with more than one column of output across a page
625 */
626 int
627 horzcol(int argc, char **argv)
628 {
629 char *ptbf;
630 int pln;
631 int cnt = -1;
632 char *lstdat;
633 int col = colwd + 1;
634 int j;
635 int i;
636 int lncnt;
637 int pagecnt;
638 char *buf;
639 char *hbuf;
640 char *ohbuf;
641 char *fname;
642 FILE *inf;
643 int ips = 0;
644 int cps = 0;
645 int ops = 0;
646 int mor = 0;
647
648 if ((buf = malloc((unsigned)(pgwd+offst+1)*sizeof(char))) == NULL) {
649 mfail();
650 return(1);
651 }
652
653 /*
654 * page header
655 */
656 if ((hbuf = malloc((unsigned)(HDBUF + offst)*sizeof(char))) == NULL) {
657 mfail();
658 return(1);
659 }
660 ohbuf = hbuf + offst;
661 if (offst) {
662 (void)memset(buf, (int)' ', offst);
663 (void)memset(hbuf, (int)' ', offst);
664 }
665
666 /*
667 * loop by file
668 */
669 while ((inf = nxtfile(argc, argv, &fname, ohbuf, 0)) != NULL) {
670 if (pgnm) {
671 if (inskip(inf, pgnm, lines))
672 continue;
673 pagecnt = pgnm;
674 } else
675 pagecnt = 1;
676 lncnt = 0;
677
678 /*
679 * loop by page
680 */
681 for(;;) {
682 ttypause(pagecnt);
683
684 /*
685 * loop by line
686 */
687 for (i = 0; i < lines; ++i) {
688 ptbf = buf + offst;
689 lstdat = ptbf;
690 j = 0;
691 /*
692 * loop by col
693 */
694 for(;;) {
695 if (nmwd) {
696 /*
697 * add number to column
698 */
699 addnum(ptbf, nmwd, ++lncnt);
700 ptbf += nmwd;
701 *ptbf++ = nmchar;
702 }
703 /*
704 * input line
705 */
706 if ((cnt = inln(inf,ptbf,colwd,&cps,1,
707 &mor)) < 0)
708 break;
709 ptbf += cnt;
710 lstdat = ptbf;
711
712 /*
713 * if last line skip padding
714 */
715 if (++j >= clcnt)
716 break;
717
718 /*
719 * pad to end of column
720 */
721 if (sflag)
722 *ptbf++ = schar;
723 else if ((pln = col - cnt) > 0) {
724 (void)memset(ptbf,(int)' ',pln);
725 ptbf += pln;
726 }
727 }
728
729 /*
730 * determine line length
731 */
732 if ((j = lstdat - buf) <= offst)
733 break;
734 if (!i && !nohead &&
735 prhead(hbuf, fname, pagecnt))
736 return(1);
737 /*
738 * output line
739 */
740 if (otln(buf, j, &ips, &ops, 0))
741 return(1);
742 }
743
744 /*
745 * pad to end of page
746 */
747 if (i && prtail(lines-i, 0))
748 return(1);
749
750 /*
751 * if EOF go to next file
752 */
753 if (cnt < 0)
754 break;
755 ++pagecnt;
756 }
757 if (inf != stdin)
758 (void)fclose(inf);
759 }
760 if (eoptind < argc)
761 return(1);
762 return(0);
763 }
764
765 /*
766 * mulfile: print files with more than one column of output and
767 * more than one file concurrently
768 */
769 int
770 mulfile(int argc, char **argv)
771 {
772 char *ptbf;
773 int j;
774 int pln;
775 int cnt;
776 char *lstdat;
777 int i;
778 FILE **fbuf;
779 int actf;
780 int lncnt;
781 int col;
782 int pagecnt;
783 int fproc;
784 char *buf;
785 char *hbuf;
786 char *ohbuf;
787 char *fname;
788 int ips = 0;
789 int cps = 0;
790 int ops = 0;
791 int mor = 0;
792
793 /*
794 * array of FILE *, one for each operand
795 */
796 if ((fbuf = (FILE **)malloc((unsigned)clcnt*sizeof(FILE *))) == NULL) {
797 mfail();
798 return(1);
799 }
800
801 /*
802 * page header
803 */
804 if ((hbuf = malloc((unsigned)(HDBUF + offst)*sizeof(char))) == NULL) {
805 mfail();
806 return(1);
807 }
808 ohbuf = hbuf + offst;
809
810 /*
811 * do not know how many columns yet. The number of operands provide an
812 * upper bound on the number of columns. We use the number of files
813 * we can open successfully to set the number of columns. The operation
814 * of the merge operation (-m) in relation to unsuccesful file opens
815 * is unspecified by posix.
816 */
817 j = 0;
818 while (j < clcnt) {
819 if ((fbuf[j] = nxtfile(argc, argv, &fname, ohbuf, 1)) == NULL)
820 break;
821 if (pgnm && (inskip(fbuf[j], pgnm, lines)))
822 fbuf[j] = NULL;
823 ++j;
824 }
825
826 /*
827 * if no files, exit
828 */
829 if (!j)
830 return(1);
831
832 /*
833 * calculate page boundries based on open file count
834 */
835 clcnt = j;
836 if (nmwd) {
837 colwd = (pgwd - clcnt - nmwd)/clcnt;
838 pgwd = ((colwd + 1) * clcnt) - nmwd - 2;
839 } else {
840 colwd = (pgwd + 1 - clcnt)/clcnt;
841 pgwd = ((colwd + 1) * clcnt) - 1;
842 }
843 if (colwd < 1) {
844 (void)fprintf(err,
845 "pr: page width too small for %d columns\n", clcnt);
846 return(1);
847 }
848 actf = clcnt;
849 col = colwd + 1;
850
851 /*
852 * line buffer
853 */
854 if ((buf = malloc((unsigned)(pgwd+offst+1)*sizeof(char))) == NULL) {
855 mfail();
856 return(1);
857 }
858 if (offst) {
859 (void)memset(buf, (int)' ', offst);
860 (void)memset(hbuf, (int)' ', offst);
861 }
862 if (pgnm)
863 pagecnt = pgnm;
864 else
865 pagecnt = 1;
866 lncnt = 0;
867
868 /*
869 * continue to loop while any file still has data
870 */
871 while (actf > 0) {
872 ttypause(pagecnt);
873
874 /*
875 * loop by line
876 */
877 for (i = 0; i < lines; ++i) {
878 ptbf = buf + offst;
879 lstdat = ptbf;
880 if (nmwd) {
881 /*
882 * add line number to line
883 */
884 addnum(ptbf, nmwd, ++lncnt);
885 ptbf += nmwd;
886 *ptbf++ = nmchar;
887 }
888 j = 0;
889 fproc = 0;
890
891 /*
892 * loop by column
893 */
894 for (j = 0; j < clcnt; ++j) {
895 if (fbuf[j] == NULL) {
896 /*
897 * empty column; EOF
898 */
899 cnt = 0;
900 } else if ((cnt = inln(fbuf[j], ptbf, colwd,
901 &cps, 1, &mor)) < 0) {
902 /*
903 * EOF hit; no data
904 */
905 if (fbuf[j] != stdin)
906 (void)fclose(fbuf[j]);
907 fbuf[j] = NULL;
908 --actf;
909 cnt = 0;
910 } else {
911 /*
912 * process file data
913 */
914 ptbf += cnt;
915 lstdat = ptbf;
916 fproc++;
917 }
918
919 /*
920 * if last ACTIVE column, done with line
921 */
922 if (fproc >= actf)
923 break;
924
925 /*
926 * pad to end of column
927 */
928 if (sflag) {
929 *ptbf++ = schar;
930 } else if ((pln = col - cnt) > 0) {
931 (void)memset(ptbf, (int)' ', pln);
932 ptbf += pln;
933 }
934 }
935
936 /*
937 * calculate data in line
938 */
939 if ((j = lstdat - buf) <= offst)
940 break;
941
942 if (!i && !nohead && prhead(hbuf, fname, pagecnt))
943 return(1);
944
945 /*
946 * output line
947 */
948 if (otln(buf, j, &ips, &ops, 0))
949 return(1);
950
951 /*
952 * if no more active files, done
953 */
954 if (actf <= 0) {
955 ++i;
956 break;
957 }
958 }
959
960 /*
961 * pad to end of page
962 */
963 if (i && prtail(lines-i, 0))
964 return(1);
965 ++pagecnt;
966 }
967 if (eoptind < argc)
968 return(1);
969 return(0);
970 }
971
972 /*
973 * inln(): input a line of data (unlimited length lines supported)
974 * Input is optionally expanded to spaces
975 *
976 * inf: file
977 * buf: buffer
978 * lim: buffer length
979 * cps: column positon 1st char in buffer (large line support)
980 * trnc: throw away data more than lim up to \n
981 * mor: set if more data in line (not truncated)
982 */
983 int
984 inln(FILE *inf, char *buf, int lim, int *cps, int trnc, int *mor)
985 {
986 int col;
987 int gap = ingap;
988 int ch = EOF;
989 char *ptbuf;
990 int chk = (int)inchar;
991
992 ptbuf = buf;
993
994 if (gap) {
995 /*
996 * expanding input option
997 */
998 while ((--lim >= 0) && ((ch = getc(inf)) != EOF)) {
999 /*
1000 * is this the input "tab" char
1001 */
1002 if (ch == chk) {
1003 /*
1004 * expand to number of spaces
1005 */
1006 col = (ptbuf - buf) + *cps;
1007 col = gap - (col % gap);
1008
1009 /*
1010 * if more than this line, push back
1011 */
1012 if ((col > lim) && (ungetc(ch, inf) == EOF))
1013 return(1);
1014
1015 /*
1016 * expand to spaces
1017 */
1018 while ((--col >= 0) && (--lim >= 0))
1019 *ptbuf++ = ' ';
1020 continue;
1021 }
1022 if (ch == '\n')
1023 break;
1024 *ptbuf++ = ch;
1025 }
1026 } else {
1027 /*
1028 * no expansion
1029 */
1030 while ((--lim >= 0) && ((ch = getc(inf)) != EOF)) {
1031 if (ch == '\n')
1032 break;
1033 *ptbuf++ = ch;
1034 }
1035 }
1036 col = ptbuf - buf;
1037 if (ch == EOF) {
1038 *mor = 0;
1039 *cps = 0;
1040 if (!col)
1041 return(-1);
1042 return(col);
1043 }
1044 if (ch == '\n') {
1045 /*
1046 * entire line processed
1047 */
1048 *mor = 0;
1049 *cps = 0;
1050 return(col);
1051 }
1052
1053 /*
1054 * line was larger than limit
1055 */
1056 if (trnc) {
1057 /*
1058 * throw away rest of line
1059 */
1060 while ((ch = getc(inf)) != EOF) {
1061 if (ch == '\n')
1062 break;
1063 }
1064 *cps = 0;
1065 *mor = 0;
1066 } else {
1067 /*
1068 * save column offset if not truncated
1069 */
1070 *cps += col;
1071 *mor = 1;
1072 }
1073
1074 return(col);
1075 }
1076
1077 /*
1078 * otln(): output a line of data. (Supports unlimited length lines)
1079 * output is optionally contracted to tabs
1080 *
1081 * buf: output buffer with data
1082 * cnt: number of chars of valid data in buf
1083 * svips: buffer input column position (for large lines)
1084 * svops: buffer output column position (for large lines)
1085 * mor: output line not complete in this buf; more data to come.
1086 * 1 is more, 0 is complete, -1 is no \n's
1087 */
1088 int
1089 otln(char *buf, int cnt, int *svips, int *svops, int mor)
1090 {
1091 int ops; /* last col output */
1092 int ips; /* last col in buf examined */
1093 int gap = ogap;
1094 int tbps;
1095 char *endbuf;
1096
1097 if (ogap) {
1098 /*
1099 * contracting on output
1100 */
1101 endbuf = buf + cnt;
1102 ops = *svops;
1103 ips = *svips;
1104 while (buf < endbuf) {
1105 /*
1106 * count number of spaces and ochar in buffer
1107 */
1108 if (*buf == ' ') {
1109 ++ips;
1110 ++buf;
1111 continue;
1112 }
1113
1114 /*
1115 * simulate ochar processing
1116 */
1117 if (*buf == ochar) {
1118 ips += gap - (ips % gap);
1119 ++buf;
1120 continue;
1121 }
1122
1123 /*
1124 * got a non space char; contract out spaces
1125 */
1126 while (ops < ips) {
1127 /*
1128 * use as many ochar as will fit
1129 */
1130 if ((tbps = ops + gap - (ops % gap)) > ips)
1131 break;
1132 if (putchar(ochar) == EOF) {
1133 pfail();
1134 return(1);
1135 }
1136 ops = tbps;
1137 }
1138
1139 while (ops < ips) {
1140 /*
1141 * finish off with spaces
1142 */
1143 if (putchar(' ') == EOF) {
1144 pfail();
1145 return(1);
1146 }
1147 ++ops;
1148 }
1149
1150 /*
1151 * output non space char
1152 */
1153 if (putchar(*buf++) == EOF) {
1154 pfail();
1155 return(1);
1156 }
1157 ++ips;
1158 ++ops;
1159 }
1160
1161 if (mor > 0) {
1162 /*
1163 * if incomplete line, save position counts
1164 */
1165 *svops = ops;
1166 *svips = ips;
1167 return(0);
1168 }
1169
1170 if (mor < 0) {
1171 while (ops < ips) {
1172 /*
1173 * use as many ochar as will fit
1174 */
1175 if ((tbps = ops + gap - (ops % gap)) > ips)
1176 break;
1177 if (putchar(ochar) == EOF) {
1178 pfail();
1179 return(1);
1180 }
1181 ops = tbps;
1182 }
1183 while (ops < ips) {
1184 /*
1185 * finish off with spaces
1186 */
1187 if (putchar(' ') == EOF) {
1188 pfail();
1189 return(1);
1190 }
1191 ++ops;
1192 }
1193 return(0);
1194 }
1195 } else {
1196 /*
1197 * output is not contracted
1198 */
1199 if (cnt && (fwrite(buf, sizeof(char), cnt, stdout) <= 0)) {
1200 pfail();
1201 return(1);
1202 }
1203 if (mor != 0)
1204 return(0);
1205 }
1206
1207 /*
1208 * process line end and double space as required
1209 */
1210 if ((putchar('\n') == EOF) || (dspace && (putchar('\n') == EOF))) {
1211 pfail();
1212 return(1);
1213 }
1214 return(0);
1215 }
1216
1217 /*
1218 * inskip(): skip over pgcnt pages with lncnt lines per page
1219 * file is closed at EOF (if not stdin).
1220 *
1221 * inf FILE * to read from
1222 * pgcnt number of pages to skip
1223 * lncnt number of lines per page
1224 */
1225 int
1226 inskip(FILE *inf, int pgcnt, int lncnt)
1227 {
1228 int c;
1229 int cnt;
1230
1231 while(--pgcnt > 0) {
1232 cnt = lncnt;
1233 while ((c = getc(inf)) != EOF) {
1234 if ((c == '\n') && (--cnt == 0))
1235 break;
1236 }
1237 if (c == EOF) {
1238 if (inf != stdin)
1239 (void)fclose(inf);
1240 return(1);
1241 }
1242 }
1243 return(0);
1244 }
1245
1246 /*
1247 * nxtfile: returns a FILE * to next file in arg list and sets the
1248 * time field for this file (or current date).
1249 *
1250 * buf array to store proper date for the header.
1251 * dt if set skips the date processing (used with -m)
1252 */
1253 FILE *
1254 nxtfile(int argc, char **argv, char **fname, char *buf, int dt)
1255 {
1256 FILE *inf = NULL;
1257 struct timeval tv;
1258 time_t tv_sec;
1259 struct timezone tz;
1260 struct tm *timeptr = NULL;
1261 struct stat statbuf;
1262 static int twice = -1;
1263
1264 ++twice;
1265 if (eoptind >= argc) {
1266 /*
1267 * no file listed; default, use standard input
1268 */
1269 if (twice)
1270 return(NULL);
1271 clearerr(stdin);
1272 inf = stdin;
1273 if (header != NULL)
1274 *fname = header;
1275 else
1276 *fname = FNAME;
1277 if (nohead)
1278 return(inf);
1279 if (gettimeofday(&tv, &tz) < 0) {
1280 ++errcnt;
1281 (void)fprintf(err, "pr: cannot get time of day, %s\n",
1282 strerror(errno));
1283 eoptind = argc - 1;
1284 return(NULL);
1285 }
1286 tv_sec = tv.tv_sec;
1287 timeptr = localtime(&tv_sec);
1288 }
1289 for (; eoptind < argc; ++eoptind) {
1290 if (strcmp(argv[eoptind], "-") == 0) {
1291 /*
1292 * process a "-" for filename
1293 */
1294 clearerr(stdin);
1295 inf = stdin;
1296 if (header != NULL)
1297 *fname = header;
1298 else
1299 *fname = FNAME;
1300 ++eoptind;
1301 if (nohead || (dt && twice))
1302 return(inf);
1303 if (gettimeofday(&tv, &tz) < 0) {
1304 ++errcnt;
1305 (void)fprintf(err,
1306 "pr: cannot get time of day, %s\n",
1307 strerror(errno));
1308 return(NULL);
1309 }
1310 tv_sec = tv.tv_sec;
1311 timeptr = localtime(&tv_sec);
1312 } else {
1313 /*
1314 * normal file processing
1315 */
1316 if ((inf = fopen(argv[eoptind], "r")) == NULL) {
1317 ++errcnt;
1318 if (nodiag)
1319 continue;
1320 (void)fprintf(err, "pr: Cannot open %s, %s\n",
1321 argv[eoptind], strerror(errno));
1322 continue;
1323 }
1324 if (header != NULL)
1325 *fname = header;
1326 else if (dt)
1327 *fname = FNAME;
1328 else
1329 *fname = argv[eoptind];
1330 ++eoptind;
1331 if (nohead || (dt && twice))
1332 return(inf);
1333
1334 if (dt) {
1335 if (gettimeofday(&tv, &tz) < 0) {
1336 ++errcnt;
1337 (void)fprintf(err,
1338 "pr: cannot get time of day, %s\n",
1339 strerror(errno));
1340 return(NULL);
1341 }
1342 tv_sec = tv.tv_sec;
1343 timeptr = localtime(&tv_sec);
1344 } else {
1345 if (fstat(fileno(inf), &statbuf) < 0) {
1346 ++errcnt;
1347 (void)fclose(inf);
1348 (void)fprintf(err,
1349 "pr: Cannot stat %s, %s\n",
1350 argv[eoptind], strerror(errno));
1351 return(NULL);
1352 }
1353 timeptr = localtime(&(statbuf.st_mtime));
1354 }
1355 }
1356 break;
1357 }
1358 if (inf == NULL)
1359 return(NULL);
1360
1361 /*
1362 * set up time field used in header
1363 */
1364 if (strftime(buf, HDBUF, timefrmt, timeptr) <= 0) {
1365 ++errcnt;
1366 if (inf != stdin)
1367 (void)fclose(inf);
1368 (void)fputs("pr: time conversion failed\n", err);
1369 return(NULL);
1370 }
1371 return(inf);
1372 }
1373
1374 /*
1375 * addnum(): adds the line number to the column
1376 * Truncates from the front or pads with spaces as required.
1377 * Numbers are right justified.
1378 *
1379 * buf buffer to store the number
1380 * wdth width of buffer to fill
1381 * line line number
1382 *
1383 * NOTE: numbers occupy part of the column. The posix
1384 * spec does not specify if -i processing should or should not
1385 * occur on number padding. The spec does say it occupies
1386 * part of the column. The usage of addnum currently treats
1387 * numbers as part of the column so spaces may be replaced.
1388 */
1389 void
1390 addnum(char *buf, int wdth, int line)
1391 {
1392 char *pt = buf + wdth;
1393
1394 do {
1395 *--pt = digs[line % 10];
1396 line /= 10;
1397 } while (line && (pt > buf));
1398
1399 /*
1400 * pad with space as required
1401 */
1402 while (pt > buf)
1403 *--pt = ' ';
1404 }
1405
1406 /*
1407 * prhead(): prints the top of page header
1408 *
1409 * buf buffer with time field (and offset)
1410 * cnt number of chars in buf
1411 * fname fname field for header
1412 * pagcnt page number
1413 */
1414 int
1415 prhead(char *buf, char *fname, int pagcnt)
1416 {
1417 int ips = 0;
1418 int ops = 0;
1419
1420 if ((putchar('\n') == EOF) || (putchar('\n') == EOF)) {
1421 pfail();
1422 return(1);
1423 }
1424 /*
1425 * posix is not clear if the header is subject to line length
1426 * restrictions. The specification for header line format
1427 * in the spec clearly does not limit length. No pr currently
1428 * restricts header length. However if we need to truncate in
1429 * an reasonable way, adjust the length of the printf by
1430 * changing HDFMT to allow a length max as an arguement printf.
1431 * buf (which contains the offset spaces and time field could
1432 * also be trimmed
1433 *
1434 * note only the offset (if any) is processed for tab expansion
1435 */
1436 if (offst && otln(buf, offst, &ips, &ops, -1))
1437 return(1);
1438 (void)printf(HDFMT,buf+offst, fname, pagcnt);
1439 return(0);
1440 }
1441
1442 /*
1443 * prtail(): pad page with empty lines (if required) and print page trailer
1444 * if requested
1445 *
1446 * cnt number of lines of padding needed
1447 * incomp was a '\n' missing from last line output
1448 */
1449 int
1450 prtail(int cnt, int incomp)
1451 {
1452 if (nohead) {
1453 /*
1454 * only pad with no headers when incomplete last line
1455 */
1456 if (incomp &&
1457 ((dspace && (putchar('\n') == EOF)) ||
1458 (putchar('\n') == EOF))) {
1459 pfail();
1460 return(1);
1461 }
1462 /*
1463 * but honor the formfeed request
1464 */
1465 if (formfeed) {
1466 if (putchar('\f') == EOF) {
1467 pfail();
1468 return(1);
1469 }
1470 }
1471 return(0);
1472 }
1473 /*
1474 * if double space output two \n
1475 */
1476 if (dspace)
1477 cnt *= 2;
1478
1479 /*
1480 * if an odd number of lines per page, add an extra \n
1481 */
1482 if (addone)
1483 ++cnt;
1484
1485 /*
1486 * pad page
1487 */
1488 if (formfeed) {
1489 if ((incomp && (putchar('\n') == EOF)) ||
1490 (putchar('\f') == EOF)) {
1491 pfail();
1492 return(1);
1493 }
1494 return(0);
1495 }
1496 cnt += TAILLEN;
1497 while (--cnt >= 0) {
1498 if (putchar('\n') == EOF) {
1499 pfail();
1500 return(1);
1501 }
1502 }
1503 return(0);
1504 }
1505
1506 /*
1507 * terminate(): when a SIGINT is recvd
1508 */
1509 void
1510 terminate(int which_sig)
1511 {
1512 flsh_errs();
1513 exit(1);
1514 }
1515
1516
1517 /*
1518 * flsh_errs(): output saved up diagnostic messages after all normal
1519 * processing has completed
1520 */
1521 void
1522 flsh_errs(void)
1523 {
1524 char buf[BUFSIZ];
1525
1526 (void)fflush(stdout);
1527 (void)fflush(err);
1528 if (err == stderr)
1529 return;
1530 rewind(err);
1531 while (fgets(buf, BUFSIZ, err) != NULL)
1532 (void)fputs(buf, stderr);
1533 }
1534
1535 void
1536 mfail(void)
1537 {
1538 (void)fputs("pr: memory allocation failed\n", err);
1539 }
1540
1541 void
1542 pfail(void)
1543 {
1544 (void)fprintf(err, "pr: write failure, %s\n", strerror(errno));
1545 }
1546
1547 void
1548 usage(void)
1549 {
1550 (void)fputs(
1551 "usage: pr [+page] [-col] [-adFfmprt] [-e[ch][gap]] [-h header]\n",
1552 err);
1553 (void)fputs(
1554 " [-i[ch][gap]] [-l line] [-n[ch][width]] [-o offset]\n",err);
1555 (void)fputs(
1556 " [-L locale] [-s[ch]] [-w width] [-] [file ...]\n", err);
1557 }
1558
1559 /*
1560 * setup: Validate command args, initialize and perform sanity
1561 * checks on options
1562 */
1563 int
1564 setup(int argc, char **argv)
1565 {
1566 int c;
1567 int d_first;
1568 int eflag = 0;
1569 int iflag = 0;
1570 int wflag = 0;
1571 int cflag = 0;
1572 char *Lflag = NULL;
1573
1574 if (isatty(fileno(stdout))) {
1575 /*
1576 * defer diagnostics until processing is done
1577 */
1578 if ((err = tmpfile()) == NULL) {
1579 err = stderr;
1580 (void)fputs("Cannot defer diagnostic messages\n",stderr);
1581 return(1);
1582 }
1583 } else
1584 err = stderr;
1585 while ((c = egetopt(argc, argv, "#adFfmrte?h:i?L:l:n?o:ps?w:")) != -1) {
1586 switch (c) {
1587 case '+':
1588 if ((pgnm = atoi(eoptarg)) < 1) {
1589 (void)fputs("pr: +page number must be 1 or more\n",
1590 err);
1591 return(1);
1592 }
1593 break;
1594 case '-':
1595 if ((clcnt = atoi(eoptarg)) < 1) {
1596 (void)fputs("pr: -columns must be 1 or more\n",err);
1597 return(1);
1598 }
1599 if (clcnt > 1)
1600 ++cflag;
1601 break;
1602 case 'a':
1603 ++across;
1604 break;
1605 case 'd':
1606 ++dspace;
1607 break;
1608 case 'e':
1609 ++eflag;
1610 if ((eoptarg != NULL) && !isdigit((unsigned char)*eoptarg))
1611 inchar = *eoptarg++;
1612 else
1613 inchar = INCHAR;
1614 if ((eoptarg != NULL) && isdigit((unsigned char)*eoptarg)) {
1615 if ((ingap = atoi(eoptarg)) < 0) {
1616 (void)fputs(
1617 "pr: -e gap must be 0 or more\n", err);
1618 return(1);
1619 }
1620 if (ingap == 0)
1621 ingap = INGAP;
1622 } else if ((eoptarg != NULL) && (*eoptarg != '\0')) {
1623 (void)fprintf(err,
1624 "pr: invalid value for -e %s\n", eoptarg);
1625 return(1);
1626 } else
1627 ingap = INGAP;
1628 break;
1629 case 'f':
1630 ++pausefst;
1631 /*FALLTHROUGH*/
1632 case 'F':
1633 ++formfeed;
1634 break;
1635 case 'h':
1636 header = eoptarg;
1637 break;
1638 case 'i':
1639 ++iflag;
1640 if ((eoptarg != NULL) && !isdigit((unsigned char)*eoptarg))
1641 ochar = *eoptarg++;
1642 else
1643 ochar = OCHAR;
1644 if ((eoptarg != NULL) && isdigit((unsigned char)*eoptarg)) {
1645 if ((ogap = atoi(eoptarg)) < 0) {
1646 (void)fputs(
1647 "pr: -i gap must be 0 or more\n", err);
1648 return(1);
1649 }
1650 if (ogap == 0)
1651 ogap = OGAP;
1652 } else if ((eoptarg != NULL) && (*eoptarg != '\0')) {
1653 (void)fprintf(err,
1654 "pr: invalid value for -i %s\n", eoptarg);
1655 return(1);
1656 } else
1657 ogap = OGAP;
1658 break;
1659 case 'L':
1660 Lflag = eoptarg;
1661 break;
1662 case 'l':
1663 if (!isdigit((unsigned char)*eoptarg) || ((lines=atoi(eoptarg)) < 1)) {
1664 (void)fputs(
1665 "pr: Number of lines must be 1 or more\n",err);
1666 return(1);
1667 }
1668 break;
1669 case 'm':
1670 ++merge;
1671 break;
1672 case 'n':
1673 if ((eoptarg != NULL) && !isdigit((unsigned char)*eoptarg))
1674 nmchar = *eoptarg++;
1675 else
1676 nmchar = NMCHAR;
1677 if ((eoptarg != NULL) && isdigit((unsigned char)*eoptarg)) {
1678 if ((nmwd = atoi(eoptarg)) < 1) {
1679 (void)fputs(
1680 "pr: -n width must be 1 or more\n",err);
1681 return(1);
1682 }
1683 } else if ((eoptarg != NULL) && (*eoptarg != '\0')) {
1684 (void)fprintf(err,
1685 "pr: invalid value for -n %s\n", eoptarg);
1686 return(1);
1687 } else
1688 nmwd = NMWD;
1689 break;
1690 case 'o':
1691 if (!isdigit((unsigned char)*eoptarg) || ((offst = atoi(eoptarg))< 1)){
1692 (void)fputs("pr: -o offset must be 1 or more\n",
1693 err);
1694 return(1);
1695 }
1696 break;
1697 case 'p':
1698 ++pauseall;
1699 break;
1700 case 'r':
1701 ++nodiag;
1702 break;
1703 case 's':
1704 ++sflag;
1705 if (eoptarg == NULL)
1706 schar = SCHAR;
1707 else {
1708 schar = *eoptarg++;
1709 if (*eoptarg != '\0') {
1710 (void)fprintf(err,
1711 "pr: invalid value for -s %s\n",
1712 eoptarg);
1713 return(1);
1714 }
1715 }
1716 break;
1717 case 't':
1718 ++nohead;
1719 break;
1720 case 'w':
1721 ++wflag;
1722 if (!isdigit((unsigned char)*eoptarg) || ((pgwd = atoi(eoptarg)) < 1)){
1723 (void)fputs(
1724 "pr: -w width must be 1 or more \n",err);
1725 return(1);
1726 }
1727 break;
1728 case '?':
1729 default:
1730 return(1);
1731 }
1732 }
1733
1734 /*
1735 * default and sanity checks
1736 */
1737 if (!clcnt) {
1738 if (merge) {
1739 if ((clcnt = argc - eoptind) <= 1) {
1740 clcnt = CLCNT;
1741 merge = 0;
1742 }
1743 } else
1744 clcnt = CLCNT;
1745 }
1746 if (across) {
1747 if (clcnt == 1) {
1748 (void)fputs("pr: -a flag requires multiple columns\n",
1749 err);
1750 return(1);
1751 }
1752 if (merge) {
1753 (void)fputs("pr: -m cannot be used with -a\n", err);
1754 return(1);
1755 }
1756 }
1757 if (!wflag) {
1758 if (sflag)
1759 pgwd = SPGWD;
1760 else
1761 pgwd = PGWD;
1762 }
1763 if (cflag || merge) {
1764 if (!eflag) {
1765 inchar = INCHAR;
1766 ingap = INGAP;
1767 }
1768 if (!iflag) {
1769 ochar = OCHAR;
1770 ogap = OGAP;
1771 }
1772 }
1773 if (cflag) {
1774 if (merge) {
1775 (void)fputs(
1776 "pr: -m cannot be used with multiple columns\n", err);
1777 return(1);
1778 }
1779 if (nmwd) {
1780 colwd = (pgwd + 1 - (clcnt * (nmwd + 2)))/clcnt;
1781 pgwd = ((colwd + nmwd + 2) * clcnt) - 1;
1782 } else {
1783 colwd = (pgwd + 1 - clcnt)/clcnt;
1784 pgwd = ((colwd + 1) * clcnt) - 1;
1785 }
1786 if (colwd < 1) {
1787 (void)fprintf(err,
1788 "pr: page width is too small for %d columns\n",clcnt);
1789 return(1);
1790 }
1791 }
1792 if (!lines)
1793 lines = LINES;
1794
1795 /*
1796 * make sure long enough for headers. if not disable
1797 */
1798 if (lines <= HEADLEN + TAILLEN)
1799 ++nohead;
1800 else if (!nohead)
1801 lines -= HEADLEN + TAILLEN;
1802
1803 /*
1804 * adjust for double space on odd length pages
1805 */
1806 if (dspace) {
1807 if (lines == 1)
1808 dspace = 0;
1809 else {
1810 if (lines & 1)
1811 ++addone;
1812 lines /= 2;
1813 }
1814 }
1815
1816 (void) setlocale(LC_TIME, (Lflag != NULL) ? Lflag : "");
1817
1818 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
1819 timefrmt = d_first ? TIMEFMTD : TIMEFMTM;
1820
1821 return(0);
1822 }
DragonFly BSD