usr.bin/pr/pr.c

83 static int	lines;		/* number of lines per page */
221 			if (inskip(inf, pgnm, lines))
243 			while (linecnt < lines) {
284 			if (linecnt && prtail(lines-linecnt-lrgln, lrgln))
348 	if ((buf = malloc((unsigned)lines*mxlen*sizeof(char))) == NULL) {
367 	mvc = lines * clcnt;
377 	if ((lstdat = (char **)malloc((unsigned)lines*sizeof(char *))) == NULL){
383 	 * fast index lookups to locate start of lines
385 	if ((indy = (int *)malloc((unsigned)lines*sizeof(int))) == NULL) {
389 	if ((lindy = (int *)malloc((unsigned)lines*sizeof(int))) == NULL) {
402 	for (j = 0; j < lines; ++j) {
422 			if (inskip(inf, pgnm, lines))
499 					if (++j >= lines)
508 			 * the min number of lines. The last page may not have
577 				if (prtail((lines - pln), 0))
586 			 * determine how many lines to output
589 				pln = lines;
613 			if (pln && prtail((lines - pln), 0))
688 			if (inskip(inf, pgnm, lines))
704 			for (i = 0; i < lines; ++i) {
764 			if (i && prtail(lines-i, 0))
845 		if (pgnm && (inskip(fbuf[j], pgnm, lines)))
901 		for (i = 0; i < lines; ++i) {
987 		if (i && prtail(lines-i, 0))
1002  * inln():	input a line of data (unlimited length lines supported)
1107  * otln():	output a line of data. (Supports unlimited length lines)
1112  *	svips:	buffer input column position (for large lines)
1113  *	svops:	buffer output column position (for large lines)
1247  * inskip():	skip over pgcnt pages with lncnt lines per page
1252  *	lncnt	number of lines per page
1468  * prtail():	pad page with empty lines (if required) and print page trailer
1471  *	cnt	number of lines of padding needed
1505 	 * if an odd number of lines per page, add an extra \n
1688 			if (!isdigit((unsigned char)*eoptarg) || ((lines=atoi(eoptarg)) < 1)) {
1690 				 "pr: number of lines must be 1 or more\n",err);
1819 	if (!lines)
1820 		lines = LINES;
1825 	if (lines <= HEADLEN + TAILLEN)
1828 		lines -= HEADLEN + TAILLEN;
1834 		if (lines == 1)
1837 			if (lines & 1)
1839 			lines /= 2;