2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause
48 #define MAX(a, b)	(((a) < (b))? (b) : (a))  macro
49 #define ISSIGN(c)	((int)(c) == '-' || (int)(c) == '+')
62 	{"equal-width",	no_argument,		NULL, 'w'},
89 	double first, last, incr, prev, cur, step;  in main()  local
102 	if (locale && locale->decimal_point && locale->decimal_point[0] != '\0')  in main()
103 		decimal_point = locale->decimal_point;  in main()
110 	    (c = getopt_long(argc, argv, "+f:hs:t:w", long_opts, NULL)) != -1) {  in main()
135 	argc -= optind;  in main()
142 		    "usage: %s [-w] [-f format] [-s string] [-t string] [first [incr]] last\n",  in main()
147 	last = e_atof(argv[argc - 1]);  in main()
161 		incr = (first < last) ? 1.0 : -1.0;  in main()
182 	for (step = 1, cur = first; incr > 0 ? cur <= last : cur >= last;  in main()
183 	    cur = first + incr * step++) {  in main()
186 		printf(fmt, cur);  in main()
187 		prev = cur;  in main()
194 	 * computed value ('cur') and desired 'last' value are equal.  If they  in main()
195 	 * are equal after formatting truncation, but 'cur' and 'prev' are not  in main()
199 	if (asprintf(&cur_print, fmt, cur) < 0 ||  in main()
224  * numeric - verify that string is numeric
261  * valid_format - validate user specified format string
283 		while (*fmt != '\0' && strchr("#0- +'", *fmt)) {  in valid_format()
319 	/* PR 236347 -- user format strings must have a conversion */  in valid_format()
324  * unescape - handle C escapes in a string
382 				c |= (*cp - '0');  in unescape()
385 			--cp;  in unescape()
394 					c |= (*cp - '0');  in unescape()
396 					c |= ((toupper((unsigned char)*cp) -  in unescape()
400 			--cp;  in unescape()
403 			--cp;  in unescape()
412  * e_atof - convert an ASCII string to a double
433 	if (dbl == -0.0)  in e_atof()
439  * decimal_places - count decimal places in a number (string)
458  * generate_format - create a format string
475 		last = first - incr * floor((first - last) / incr);  in generate_format()
477 		last = first + incr * floor((last - first) / incr);  in generate_format()
488 		width1 -= (places + strlen(decimal_point));  in generate_format()
490 	precision = MAX(places, precision);  in generate_format()
496 		width2 -= (places + strlen(decimal_point));  in generate_format()
500 		    MAX(width1, width2) + (int) strlen(decimal_point) +  in generate_format()
503 		sprintf(buf, "%%%c%d%c", pad, MAX(width1, width2),  in generate_format()