usr.bin/pr/pr.c

96 static int	lines;		/* number of lines per page */
232 			if (inskip(inf, pgnm, lines))
254 			while (linecnt < lines) {
295 			if (linecnt && prtail(lines-linecnt-lrgln, lrgln))
352 	if ((buf = malloc((unsigned)lines*mxlen*sizeof(char))) == NULL) {
371 	mvc = lines * clcnt;
381 	if ((lstdat = (char **)malloc((unsigned)lines*sizeof(char *))) == NULL){
387 	 * fast index lookups to locate start of lines
389 	if ((indy = (int *)malloc((unsigned)lines*sizeof(int))) == NULL) {
393 	if ((lindy = (int *)malloc((unsigned)lines*sizeof(int))) == NULL) {
406 	for (j = 0; j < lines; ++j) {
426 			if (inskip(inf, pgnm, lines))
503 					if (++j >= lines)
512 			 * the min number of lines. The last page may not have
580 				if (prtail((lines - pln), 0))
589 			 * determine how many lines to output
592 				pln = lines;
616 			if (pln && prtail((lines - pln), 0))
682 			if (inskip(inf, pgnm, lines))
698 			for (i = 0; i < lines; ++i) {
758 			if (i && prtail(lines-i, 0))
832 		if (pgnm && (inskip(fbuf[j], pgnm, lines)))
888 		for (i = 0; i < lines; ++i) {
974 		if (i && prtail(lines-i, 0))
984  * inln():	input a line of data (unlimited length lines supported)
1089  * otln():	output a line of data. (Supports unlimited length lines)
1094  *	svips:	buffer input column position (for large lines)
1095  *	svops:	buffer output column position (for large lines)
1229  * inskip():	skip over pgcnt pages with lncnt lines per page
1234  *	lncnt	number of lines per page
1449  * prtail():	pad page with empty lines (if required) and print page trailer
1452  *	cnt	number of lines of padding needed
1486 	 * if an odd number of lines per page, add an extra \n
1669 			if (!isdigit((unsigned char)*eoptarg) || ((lines=atoi(eoptarg)) < 1)) {
1671 				 "pr: number of lines must be 1 or more\n",err);
1798 	if (!lines)
1799 		lines = LINES;
1804 	if (lines <= HEADLEN + TAILLEN)
1807 		lines -= HEADLEN + TAILLEN;
1813 		if (lines == 1)
1816 			if (lines & 1)
1818 			lines /= 2;