libc/stdio/vfwprintf.c

278  * string representation. ``prec'' specifies the maximum number of bytes
279  * to output. If ``prec'' is greater than or equal to zero, we can't assume
283 __mbsconv(char *mbsarg, int prec)
297 	if (prec >= 0) {
305 		while (nchars != (size_t)prec) {
399 	int prec;		/* precision from format; <0 for N/A */
434 	int dprec;		/* a copy of prec if [diouxX], 0 otherwise */
570 		prec = -1;
612 				GETASTER (prec);
615 			prec = 0;
617 				prec = 10 * prec + to_digit(ch);
724 			if (prec >= 0)
725 				prec++;
729 				    __hldtoa(fparg.ldbl, xdigs, prec,
734 				    __hdtoa(fparg.dbl, xdigs, prec,
737 			if (prec < 0)
738 				prec = dtoaend - dtoaresult;
750 			if (prec < 0)	/* account for digit before decpt */
751 				prec = DEFPREC + 1;
753 				prec++;
762 			if (prec == 0)
763 				prec = 1;
765 			if (prec < 0)
766 				prec = DEFPREC;
772 				    __ldtoa(&fparg.ldbl, expchar ? 2 : 3, prec,
777 				    dtoa(fparg.dbl, expchar ? 2 : 3, prec,
800 				if (expt > -4 && expt <= prec) {
804 						prec -= expt;
806 						prec = ndig - expt;
807 					if (prec < 0)
808 						prec = 0;
815 						prec = ndig;
820 				size = expsize + prec;
821 				if (prec > 1 || flags & ALT)
830 				if (prec || flags & ALT)
831 					size += prec + 1;
899 					convbuf = __mbsconv(mbp, prec);
907 			size = (prec >= 0) ? wcsnlen(cp, prec) : wcslen(cp);
944 number:			if ((dprec = prec) >= 0)
958 				if (ujval != 0 || prec != 0 ||
963 				if (ulval != 0 || prec != 0 ||
997 		 * size excludes decimal prec; realsz includes it.
1046 					if (prec || flags & ALT)
1050 					prec += expt;
1063 					if (prec || flags & ALT)
1066 				PRINTANDPAD(cp, convbuf + ndig, prec, zeroes);
1068 				if (prec > 1 || flags & ALT) {
1073 					PAD(prec - ndig, zeroes);