1 /* snprintf - compatibility implementation of snprintf, vsnprintf
59  * mostly in formatting and range (e+-16), for %f and %g.
62  *   This includes width, precision, flags 0- +, and *(arg for wid,prec).
80 	while(num--) {  in print_pad()
83 			(*left)--;  in print_pad()
94 		return '-';  in get_negsign()
215 			*(*at)++ = buf[--i];  in spool_str_rev()
216 			(*left)--;  in spool_str_rev()
217 		} else --i;  in spool_str_rev()
230 			(*left)--;  in spool_str()
260 				print_pad(at, left, ret, '0', precision - w);  in print_num()
265 			print_pad(at, left, ret, ' ', minw - numw);  in print_num()
277 			print_pad(at, left, ret, ' ', minw - numw);  in print_num()
281 			numw--;  in print_num()
285 			print_pad(at, left, ret, '0', numw - w);  in print_num()
303 		(unsigned int)(negative?-value:value));  in print_num_d()
318 		(unsigned long)(negative?-value:value));  in print_num_ld()
333 		(unsigned long long)(negative?-value:value));  in print_num_lld()
472 	if(((unsigned long long)((r - (double)value)*10.0)) >= 5) {  in print_remainder()
477 			value = cap-1;  in print_remainder()
494 	   linking with -lm. */  in print_float()
498 	double remain = value - (double)whole;  in print_float()
502 	len += print_dec_ll(buf+len, max-len, whole);  in print_float()
517 	len = print_float(buf, (int)sizeof(buf), negative?-value:value,  in print_num_f()
528 	double remain = value - (double)whole;  in print_float_g()
541 		len = print_remainder(buf, max, remain, prec-before);  in print_float_g()
543 			memmove(buf, buf+1, --len);  in print_float_g()
546 	len += print_dec_ll(buf+len, max-len, whole);  in print_float_g()
563 	len = print_float_g(buf, (int)sizeof(buf), negative?-value:value,  in print_num_g()
592 		print_pad(at, left, ret, ' ', minw - w);  in print_str()
595 		print_pad(at, left, ret, ' ', minw - w);  in print_str()
604 		print_pad(at, left, ret, ' ', minw - 1);  in print_char()
607 		print_pad(at, left, ret, ' ', minw - 1);  in print_char()
635 	int conv, minw, precision, prgiven, zeropad, minus, plus, space, length;  in vsnprintf()  local
641 				left--;  in vsnprintf()
663 		 *	  - left adjust (right by default)  in vsnprintf()
664 		 *	  ' ' printspace for positive number (in - position).  in vsnprintf()
666 		 * fieldwidth: [1-9][0-9]* minimum field width.  in vsnprintf()
668 		 * 	if this is negative, the - flag is set (with positive width).  in vsnprintf()
669 		 * precision: period[digits]*, %.2x.  in vsnprintf()
676 		 * length: 0-none (int), 1-l (long), 2-ll (long long)  in vsnprintf()
695 			else if(*fmt == '-')  in vsnprintf()
711 				minw = -minw;  in vsnprintf()
714 			minw = minw*10 + (*fmt++)-'0';  in vsnprintf()
719 			fmt++; /* skip period */  in vsnprintf()
728 				precision = precision*10 + (*fmt++)-'0';  in vsnprintf()
743 		if(!*fmt) conv = 0;  in vsnprintf()
744 		else	conv = *fmt++;  in vsnprintf()
749 		switch(conv) {  in vsnprintf()
887 	DOTEST(1024, "-1", 2, "%d", -1);  in main()
888 	DOTEST(1024, "-12", 3, "%3d", -12);  in main()
889 	DOTEST(1024, " -2", 3, "%3d", -2);  in main()
890 	DOTEST(1024, "-012", 4, "%.3d", -12);  in main()
891 	DOTEST(1024, "-012", 4, "%3.3d", -12);  in main()
892 	DOTEST(1024, "-012", 4, "%4.3d", -12);  in main()
893 	DOTEST(1024, " -012", 5, "%5.3d", -12);  in main()
894 	DOTEST(1024, "-12", 3, "%03d", -12);  in main()
895 	DOTEST(1024, "-02", 3, "%03d", -2);  in main()
896 	DOTEST(1024, "-15", 3, "%d", -15);  in main()
897 	DOTEST(1024, "-7307", 5, "%d", -7307);  in main()
898 	DOTEST(1024, "-12  ", 5, "%-5d", -12);  in main()
899 	DOTEST(1024, "-00012", 6, "%-.5d", -12);  in main()
918 	DOTEST(1024, "-9223372036854775808", 20, "%lld",  in main()
926 	DOTEST(1024, "hello     ", 10, "%-10s", "hello");  in main()
955 	/* differs, "-0.00" DOTEST(1024, "0.00", 4, "%.2f", -0.0); */  in main()
958 	DOTEST(1024, "-12.000000", 10, "%f", -12.0);  in main()
990 	DOTEST(1024, "-012", 4, "%3.3d", -12);  in main()
995 	DOTEST(1024, "hello  ", 7, "%*s", -7, "hello");  in main()
1018 	DOTEST(1024, "-87654321", 9, "%i", -87654321);   in main()
1019 	DOTEST(1024, "hello           ", 16, "%-16s", "hello");   in main()
1020 	DOTEST(1024, "                ", 16, "%-16s", "");   in main()
1021 	DOTEST(1024, "a               ", 16, "%-16s", "a");   in main()
1022 	DOTEST(1024, "foobarfoobar    ", 16, "%-16s", "foobarfoobar");   in main()
1023 	DOTEST(1024, "foobarfoobarfoobar", 18, "%-16s", "foobarfoobarfoobar");   in main()