[apple/shell_cmds.git] / jot / jot.c

/*-
 * Copyright (c) 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1993\n\
	The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */

#ifndef lint
#if 0
static char sccsid[] = "@(#)jot.c	8.1 (Berkeley) 6/6/93";
#endif
#endif
#include <sys/cdefs.h>
__RCSID("$FreeBSD: src/usr.bin/jot/jot.c,v 1.24 2002/07/05 15:58:27 mike Exp $");

/*
 * jot - print sequential or random data
 *
 * Author:  John Kunze, Office of Comp. Affairs, UCB
 */

#include <ctype.h>
#include <err.h>
#include <limits.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>

#define	REPS_DEF	100
#define	BEGIN_DEF	1
#define	ENDER_DEF	100
#define	STEP_DEF	1

#define	is_default(s)	(strcmp((s), "-") == 0)

double	begin;
double	ender;
double	s;
long	reps;
int	randomize;
int	infinity;
int	boring;
int	prec;
int	longdata;
int	intdata;
int	chardata;
int	nosign;
int	nofinalnl;
const	char *sepstring = "\n";
char	format[BUFSIZ];

void		getformat(void);
int		getprec(char *);
int		putdata(double, long);
static void	usage(void);

int
main(int argc, char **argv)
{
	double	xd, yd;
	long	id;
	double	*x = &xd;
	double	*y = &yd;
	long	*i = &id;
	unsigned int	mask = 0;
	int	n = 0;
	int	ch;

	while ((ch = getopt(argc, argv, "rb:w:cs:np:")) != -1)
		switch (ch) {
		case 'r':
			randomize = 1;
			break;
		case 'c':
			chardata = 1;
			break;
		case 'n':
			nofinalnl = 1;
			break;
		case 'b':
			boring = 1;
			/* FALLTHROUGH */
		case 'w':
			if (strlcpy(format, optarg, sizeof(format)) >=
			    sizeof(format))
				errx(1, "-%c word too long", ch);
			break;
		case 's':
			sepstring = optarg;
			break;
		case 'p':
			prec = atoi(optarg);
			if (prec <= 0)
				errx(1, "bad precision value");
			break;
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	switch (argc) {	/* examine args right to left, falling thru cases */
	case 4:
		if (!is_default(argv[3])) {
			if (!sscanf(argv[3], "%lf", &s))
				errx(1, "bad s value: %s", argv[3]);
			mask |= 01;
		}
	case 3:
		if (!is_default(argv[2])) {
			if (!sscanf(argv[2], "%lf", &ender))
				ender = argv[2][strlen(argv[2])-1];
			mask |= 02;
			if (!prec)
				n = getprec(argv[2]);
		}
	case 2:
		if (!is_default(argv[1])) {
			if (!sscanf(argv[1], "%lf", &begin))
				begin = argv[1][strlen(argv[1])-1];
			mask |= 04;
			if (!prec)
				prec = getprec(argv[1]);
			if (n > prec)		/* maximum precision */
				prec = n;
		}
	case 1:
		if (!is_default(argv[0])) {
			if (!sscanf(argv[0], "%ld", &reps))
				errx(1, "bad reps value: %s", argv[0]);
			mask |= 010;
		}
		break;
	case 0:
		usage();
	default:
		errx(1, "too many arguments.  What do you mean by %s?",
		    argv[4]);
	}
	getformat();
	while (mask)	/* 4 bit mask has 1's where last 4 args were given */
		switch (mask) {	/* fill in the 0's by default or computation */
		case 001:
			reps = REPS_DEF;
			mask = 011;
			break;
		case 002:
			reps = REPS_DEF;
			mask = 012;
			break;
		case 003:
			reps = REPS_DEF;
			mask = 013;
			break;
		case 004:
			reps = REPS_DEF;
			mask = 014;
			break;
		case 005:
			reps = REPS_DEF;
			mask = 015;
			break;
		case 006:
			reps = REPS_DEF;
			mask = 016;
			break;
		case 007:
			if (randomize) {
				reps = REPS_DEF;
				mask = 0;
				break;
			}
			if (s == 0.0) {
				reps = 0;
				mask = 0;
				break;
			}
			reps = (ender - begin + s) / s;
			if (reps <= 0)
				errx(1, "impossible stepsize");
			mask = 0;
			break;
		case 010:
			begin = BEGIN_DEF;
			mask = 014;
			break;
		case 011:
			begin = BEGIN_DEF;
			mask = 015;
			break;
		case 012:
			s = (randomize ? time(NULL) : STEP_DEF);
			mask = 013;
			break;
		case 013:
			if (randomize)
				begin = BEGIN_DEF;
			else if (reps == 0)
				errx(1, "must specify begin if reps == 0");
			begin = ender - reps * s + s;
			mask = 0;
			break;
		case 014:
			s = (randomize ? -1.0 : STEP_DEF);
			mask = 015;
			break;
		case 015:
			if (randomize)
				ender = ENDER_DEF;
			else
				ender = begin + reps * s - s;
			mask = 0;
			break;
		case 016:
			if (randomize)
				s = -1.0;
			else if (reps == 0)
				errx(1, "infinite sequences cannot be bounded");
			else if (reps == 1)
				s = 0.0;
			else
				s = (ender - begin) / (reps - 1);
			mask = 0;
			break;
		case 017:		/* if reps given and implied, */
			if (!randomize && s != 0.0) {
				long t = (ender - begin + s) / s;
				if (t <= 0)
					errx(1, "impossible stepsize");
				if (t < reps)		/* take lesser */
					reps = t;
			}
			mask = 0;
			break;
		default:
			errx(1, "bad mask");
		}
	if (reps == 0)
		infinity = 1;
	if (randomize) {
		*x = (ender - begin) * (ender > begin ? 1 : -1);
		for (*i = 1; *i <= reps || infinity; (*i)++) {
			*y = arc4random() / (double)UINT32_MAX;
			if (putdata(*y * *x + begin, reps - *i))
				errx(1, "range error in conversion");
		}
	} else
		for (*i = 1, *x = begin; *i <= reps || infinity; (*i)++, *x += s)
			if (putdata(*x, reps - *i))
				errx(1, "range error in conversion");
	if (!nofinalnl)
		putchar('\n');
	exit(0);
}

int
putdata(double x, long int notlast)
{

	if (boring)
		printf("%s", format);
	else if (longdata && nosign) {
		if (x <= (double)ULONG_MAX && x >= (double)0)
			printf(format, (unsigned long)x);
		else
			return (1);
	} else if (longdata) {
		if (x <= (double)LONG_MAX && x >= (double)LONG_MIN)
			printf(format, (long)x);
		else
			return (1);
	} else if (chardata || (intdata && !nosign)) {
		if (x <= (double)INT_MAX && x >= (double)INT_MIN)
			printf(format, (int)x);
		else
			return (1);
	} else if (intdata) {
		if (x <= (double)UINT_MAX && x >= (double)0)
			printf(format, (unsigned int)x);
		else
			return (1);

	} else
		printf(format, x);
	if (notlast != 0)
		fputs(sepstring, stdout);

	return (0);
}

static void
usage(void)
{
	fprintf(stderr, "%s\n%s\n",
	"usage: jot [-cnr] [-b word] [-w word] [-s string] [-p precision]",
	"           [reps [begin [end [s]]]]");
	exit(1);
}

int
getprec(char *str)
{
	char	*p;
	char	*q;

	for (p = str; *p; p++)
		if (*p == '.')
			break;
	if (!*p)
		return (0);
	for (q = ++p; *p; p++)
		if (!isdigit(*p))
			break;
	return (p - q);
}

void
getformat(void)
{
	char	*p, *p2;
	int dot, hash, space, sign, numbers = 0;
	size_t sz;

	if (boring)				/* no need to bother */
		return;
	for (p = format; *p; p++)		/* look for '%' */
		if (*p == '%' && *(p+1) != '%')	/* leave %% alone */
			break;
	sz = sizeof(format) - strlen(format) - 1;
	if (!*p && !chardata) {
		if (snprintf(p, sz, "%%.%df", prec) >= (int)sz)
			errx(1, "-w word too long");
	} else if (!*p && chardata) {
		if (strlcpy(p, "%c", sz) >= sz)
			errx(1, "-w word too long");
		intdata = 1;
	} else if (!*(p+1)) {
		if (sz <= 0)
			errx(1, "-w word too long");
		strcat(format, "%");		/* cannot end in single '%' */
	} else {
		/*
		 * Allow conversion format specifiers of the form
		 * %[#][ ][{+,-}][0-9]*[.[0-9]*]? where ? must be one of
		 * [l]{d,i,o,u,x} or {f,e,g,E,G,d,o,x,D,O,U,X,c,u}
		 */
		p2 = p++;
		dot = hash = space = sign = numbers = 0;
		while (!isalpha(*p)) {
			if (isdigit(*p)) {
				numbers++;
				p++;
			} else if ((*p == '#' && !(numbers|dot|sign|space|
			    hash++)) ||
			    (*p == ' ' && !(numbers|dot|space++)) ||
			    ((*p == '+' || *p == '-') && !(numbers|dot|sign++))
			    || (*p == '.' && !(dot++)))
				p++;
			else
				goto fmt_broken;
		}
		if (*p == 'l') {
			longdata = 1;
			if (*++p == 'l') {
				if (p[1] != '\0')
					p++;
				goto fmt_broken;
			}
		}
		switch (*p) {
		case 'o': case 'u': case 'x': case 'X':
			intdata = nosign = 1;
			break;
		case 'd': case 'i':
			intdata = 1;
			break;
		case 'D':
			if (!longdata) {
				intdata = 1;
				break;
			}
		case 'O': case 'U':
			if (!longdata) {
				intdata = nosign = 1;
				break;
			}
		case 'c':
			if (!(intdata | longdata)) {
				chardata = 1;
				break;
			}
		case 'h': case 'n': case 'p': case 'q': case 's': case 'L':
		case '$': case '*':
			goto fmt_broken;
		case 'f': case 'e': case 'g': case 'E': case 'G':
			if (!longdata)
				break;
			/* FALLTHROUGH */
		default:
fmt_broken:
			*++p = '\0';
			errx(1, "illegal or unsupported format '%s'", p2);
			/* NOTREACHED */
		}
		while (*++p)
			if (*p == '%' && *(p+1) && *(p+1) != '%')
				errx(1, "too many conversions");
			else if (*p == '%' && *(p+1) == '%')
				p++;
			else if (*p == '%' && !*(p+1)) {
				strcat(format, "%");
				break;
			}
	}
}
Commit	Line	Data
44bd5ea7 A	1	/*-
	2	* Copyright (c) 1993
	3	* The Regents of the University of California. All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*/
	33
44bd5ea7	34	#ifndef lint
9bafe280 A	35	static const char copyright[] =
	36	"@(#) Copyright (c) 1993\n\
	37	The Regents of the University of California. All rights reserved.\n";
44bd5ea7 A	38	#endif /* not lint */
	39
	40	#ifndef lint
	41	#if 0
	42	static char sccsid[] = "@(#)jot.c 8.1 (Berkeley) 6/6/93";
	43	#endif
9bafe280 A	44	#endif
	45	#include <sys/cdefs.h>
	46	__RCSID("$FreeBSD: src/usr.bin/jot/jot.c,v 1.24 2002/07/05 15:58:27 mike Exp $");
44bd5ea7 A	47
	48	/*
	49	* jot - print sequential or random data
	50	*
	51	* Author: John Kunze, Office of Comp. Affairs, UCB
	52	*/
	53
	54	#include <ctype.h>
	55	#include <err.h>
	56	#include <limits.h>
	57	#include <stdio.h>
9bafe280	58	#include <stdint.h>
44bd5ea7 A	59	#include <stdlib.h>
	60	#include <string.h>
	61	#include <time.h>
9bafe280	62	#include <unistd.h>
44bd5ea7 A	63
	64	#define REPS_DEF 100
	65	#define BEGIN_DEF 1
	66	#define ENDER_DEF 100
	67	#define STEP_DEF 1
	68
9bafe280	69	#define is_default(s) (strcmp((s), "-") == 0)
44bd5ea7 A	70
	71	double begin;
	72	double ender;
	73	double s;
	74	long reps;
	75	int randomize;
	76	int infinity;
	77	int boring;
	78	int prec;
9bafe280 A	79	int longdata;
9bafe280 A	80	int intdata;
44bd5ea7	81	int chardata;
9bafe280	82	int nosign;
44bd5ea7	83	int nofinalnl;
9bafe280	84	const char *sepstring = "\n";
44bd5ea7 A	85	char format[BUFSIZ];
44bd5ea7 A	86
9bafe280 A	87	void getformat(void);
	88	int getprec(char *);
	89	int putdata(double, long);
	90	static void usage(void);
44bd5ea7 A	91
44bd5ea7 A	92	int
9bafe280	93	main(int argc, char **argv)
44bd5ea7 A	94	{
	95	double xd, yd;
	96	long id;
	97	double *x = &xd;
	98	double *y = &yd;
	99	long *i = &id;
44bd5ea7	100	unsigned int mask = 0;
9bafe280 A	101	int n = 0;
9bafe280 A	102	int ch;
44bd5ea7	103
9bafe280 A	104	while ((ch = getopt(argc, argv, "rb:w:cs:np:")) != -1)
9bafe280 A	105	switch (ch) {
44bd5ea7 A	106	case 'r':
	107	randomize = 1;
	108	break;
	109	case 'c':
	110	chardata = 1;
	111	break;
	112	case 'n':
	113	nofinalnl = 1;
	114	break;
	115	case 'b':
	116	boring = 1;
9bafe280	117	/* FALLTHROUGH */
44bd5ea7	118	case 'w':
9bafe280 A	119	if (strlcpy(format, optarg, sizeof(format)) >=
	120	sizeof(format))
	121	errx(1, "-%c word too long", ch);
44bd5ea7 A	122	break;
44bd5ea7 A	123	case 's':
9bafe280	124	sepstring = optarg;
44bd5ea7 A	125	break;
44bd5ea7 A	126	case 'p':
9bafe280	127	prec = atoi(optarg);
44bd5ea7	128	if (prec <= 0)
9bafe280	129	errx(1, "bad precision value");
44bd5ea7 A	130	break;
44bd5ea7 A	131	default:
9bafe280	132	usage();
44bd5ea7	133	}
9bafe280 A	134	argc -= optind;
9bafe280 A	135	argv += optind;
44bd5ea7	136
9bafe280	137	switch (argc) { /* examine args right to left, falling thru cases */
44bd5ea7	138	case 4:
9bafe280 A	139	if (!is_default(argv[3])) {
	140	if (!sscanf(argv[3], "%lf", &s))
	141	errx(1, "bad s value: %s", argv[3]);
44bd5ea7 A	142	mask \|= 01;
	143	}
	144	case 3:
9bafe280 A	145	if (!is_default(argv[2])) {
	146	if (!sscanf(argv[2], "%lf", &ender))
	147	ender = argv[2][strlen(argv[2])-1];
44bd5ea7 A	148	mask \|= 02;
44bd5ea7 A	149	if (!prec)
9bafe280	150	n = getprec(argv[2]);
44bd5ea7 A	151	}
44bd5ea7 A	152	case 2:
9bafe280 A	153	if (!is_default(argv[1])) {
	154	if (!sscanf(argv[1], "%lf", &begin))
	155	begin = argv[1][strlen(argv[1])-1];
44bd5ea7 A	156	mask \|= 04;
44bd5ea7 A	157	if (!prec)
9bafe280	158	prec = getprec(argv[1]);
44bd5ea7 A	159	if (n > prec) /* maximum precision */
	160	prec = n;
	161	}
	162	case 1:
9bafe280 A	163	if (!is_default(argv[0])) {
	164	if (!sscanf(argv[0], "%ld", &reps))
	165	errx(1, "bad reps value: %s", argv[0]);
44bd5ea7 A	166	mask \|= 010;
	167	}
	168	break;
	169	case 0:
9bafe280	170	usage();
44bd5ea7	171	default:
9bafe280 A	172	errx(1, "too many arguments. What do you mean by %s?",
9bafe280 A	173	argv[4]);
44bd5ea7 A	174	}
	175	getformat();
	176	while (mask) /* 4 bit mask has 1's where last 4 args were given */
	177	switch (mask) { /* fill in the 0's by default or computation */
	178	case 001:
	179	reps = REPS_DEF;
	180	mask = 011;
	181	break;
	182	case 002:
	183	reps = REPS_DEF;
	184	mask = 012;
	185	break;
	186	case 003:
	187	reps = REPS_DEF;
	188	mask = 013;
	189	break;
	190	case 004:
	191	reps = REPS_DEF;
	192	mask = 014;
	193	break;
	194	case 005:
	195	reps = REPS_DEF;
	196	mask = 015;
	197	break;
	198	case 006:
	199	reps = REPS_DEF;
	200	mask = 016;
	201	break;
	202	case 007:
	203	if (randomize) {
	204	reps = REPS_DEF;
	205	mask = 0;
	206	break;
	207	}
	208	if (s == 0.0) {
	209	reps = 0;
	210	mask = 0;
	211	break;
	212	}
	213	reps = (ender - begin + s) / s;
	214	if (reps <= 0)
9bafe280	215	errx(1, "impossible stepsize");
44bd5ea7 A	216	mask = 0;
	217	break;
	218	case 010:
	219	begin = BEGIN_DEF;
	220	mask = 014;
	221	break;
	222	case 011:
	223	begin = BEGIN_DEF;
	224	mask = 015;
	225	break;
	226	case 012:
9bafe280	227	s = (randomize ? time(NULL) : STEP_DEF);
44bd5ea7 A	228	mask = 013;
	229	break;
	230	case 013:
	231	if (randomize)
	232	begin = BEGIN_DEF;
	233	else if (reps == 0)
9bafe280	234	errx(1, "must specify begin if reps == 0");
44bd5ea7 A	235	begin = ender - reps * s + s;
	236	mask = 0;
	237	break;
	238	case 014:
9bafe280	239	s = (randomize ? -1.0 : STEP_DEF);
44bd5ea7 A	240	mask = 015;
	241	break;
	242	case 015:
	243	if (randomize)
	244	ender = ENDER_DEF;
	245	else
	246	ender = begin + reps * s - s;
	247	mask = 0;
	248	break;
	249	case 016:
	250	if (randomize)
9bafe280	251	s = -1.0;
44bd5ea7	252	else if (reps == 0)
9bafe280	253	errx(1, "infinite sequences cannot be bounded");
44bd5ea7 A	254	else if (reps == 1)
	255	s = 0.0;
	256	else
	257	s = (ender - begin) / (reps - 1);
	258	mask = 0;
	259	break;
	260	case 017: /* if reps given and implied, */
	261	if (!randomize && s != 0.0) {
	262	long t = (ender - begin + s) / s;
	263	if (t <= 0)
9bafe280	264	errx(1, "impossible stepsize");
44bd5ea7 A	265	if (t < reps) /* take lesser */
	266	reps = t;
	267	}
	268	mask = 0;
	269	break;
	270	default:
9bafe280	271	errx(1, "bad mask");
44bd5ea7 A	272	}
	273	if (reps == 0)
	274	infinity = 1;
9bafe280 A	275	if (randomize) {
	276	x = (ender - begin) (ender > begin ? 1 : -1);
	277	for (i = 1; i <= reps \|\| infinity; (*i)++) {
	278	*y = arc4random() / (double)UINT32_MAX;
	279	if (putdata(y x + begin, reps - i))
	280	errx(1, "range error in conversion");
	281	}
	282	} else
	283	for (i = 1, x = begin; i <= reps \|\| infinity; (i)++, *x += s)
	284	if (putdata(x, reps - i))
	285	errx(1, "range error in conversion");
	286	if (!nofinalnl)
	287	putchar('\n');
	288	exit(0);
44bd5ea7 A	289	}
44bd5ea7 A	290
9bafe280 A	291	int
9bafe280 A	292	putdata(double x, long int notlast)
44bd5ea7	293	{
44bd5ea7	294
9bafe280	295	if (boring)
44bd5ea7	296	printf("%s", format);
9bafe280 A	297	else if (longdata && nosign) {
	298	if (x <= (double)ULONG_MAX && x >= (double)0)
	299	printf(format, (unsigned long)x);
	300	else
	301	return (1);
	302	} else if (longdata) {
	303	if (x <= (double)LONG_MAX && x >= (double)LONG_MIN)
	304	printf(format, (long)x);
	305	else
	306	return (1);
	307	} else if (chardata \|\| (intdata && !nosign)) {
	308	if (x <= (double)INT_MAX && x >= (double)INT_MIN)
	309	printf(format, (int)x);
	310	else
	311	return (1);
	312	} else if (intdata) {
	313	if (x <= (double)UINT_MAX && x >= (double)0)
	314	printf(format, (unsigned int)x);
	315	else
	316	return (1);
	317
	318	} else
44bd5ea7 A	319	printf(format, x);
	320	if (notlast != 0)
	321	fputs(sepstring, stdout);
9bafe280 A	322
9bafe280 A	323	return (0);
44bd5ea7 A	324	}
44bd5ea7 A	325
9bafe280 A	326	static void
9bafe280 A	327	usage(void)
44bd5ea7	328	{
9bafe280 A	329	fprintf(stderr, "%s\n%s\n",
	330	"usage: jot [-cnr] [-b word] [-w word] [-s string] [-p precision]",
	331	" [reps [begin [end [s]]]]");
44bd5ea7 A	332	exit(1);
	333	}
	334
	335	int
9bafe280	336	getprec(char *str)
44bd5ea7 A	337	{
	338	char *p;
	339	char *q;
	340
9bafe280	341	for (p = str; *p; p++)
44bd5ea7 A	342	if (*p == '.')
	343	break;
	344	if (!*p)
	345	return (0);
	346	for (q = ++p; *p; p++)
	347	if (!isdigit(*p))
	348	break;
	349	return (p - q);
	350	}
	351
	352	void
9bafe280	353	getformat(void)
44bd5ea7	354	{
9bafe280 A	355	char p, p2;
	356	int dot, hash, space, sign, numbers = 0;
	357	size_t sz;
44bd5ea7 A	358
	359	if (boring) /* no need to bother */
	360	return;
	361	for (p = format; p; p++) / look for '%' */
	362	if (p == '%' && (p+1) != '%') /* leave %% alone */
	363	break;
9bafe280 A	364	sz = sizeof(format) - strlen(format) - 1;
	365	if (!*p && !chardata) {
	366	if (snprintf(p, sz, "%%.%df", prec) >= (int)sz)
	367	errx(1, "-w word too long");
	368	} else if (!*p && chardata) {
	369	if (strlcpy(p, "%c", sz) >= sz)
	370	errx(1, "-w word too long");
	371	intdata = 1;
	372	} else if (!*(p+1)) {
	373	if (sz <= 0)
	374	errx(1, "-w word too long");
44bd5ea7	375	strcat(format, "%"); /* cannot end in single '%' */
9bafe280 A	376	} else {
	377	/*
	378	* Allow conversion format specifiers of the form
	379	* %[#][ ][{+,-}][0-9][.[0-9]]? where ? must be one of
	380	* [l]{d,i,o,u,x} or {f,e,g,E,G,d,o,x,D,O,U,X,c,u}
	381	*/
	382	p2 = p++;
	383	dot = hash = space = sign = numbers = 0;
	384	while (!isalpha(*p)) {
	385	if (isdigit(*p)) {
	386	numbers++;
	387	p++;
	388	} else if ((*p == '#' && !(numbers\|dot\|sign\|space\|
	389	hash++)) \|\|
	390	(*p == ' ' && !(numbers\|dot\|space++)) \|\|
	391	((p == '+' \|\| p == '-') && !(numbers\|dot\|sign++))
	392	\|\| (*p == '.' && !(dot++)))
	393	p++;
	394	else
	395	goto fmt_broken;
	396	}
	397	if (*p == 'l') {
	398	longdata = 1;
	399	if (*++p == 'l') {
	400	if (p[1] != '\0')
	401	p++;
	402	goto fmt_broken;
	403	}
	404	}
44bd5ea7	405	switch (*p) {
9bafe280 A	406	case 'o': case 'u': case 'x': case 'X':
9bafe280 A	407	intdata = nosign = 1;
44bd5ea7	408	break;
9bafe280 A	409	case 'd': case 'i':
9bafe280 A	410	intdata = 1;
44bd5ea7	411	break;
9bafe280 A	412	case 'D':
	413	if (!longdata) {
	414	intdata = 1;
	415	break;
	416	}
	417	case 'O': case 'U':
	418	if (!longdata) {
	419	intdata = nosign = 1;
	420	break;
	421	}
	422	case 'c':
	423	if (!(intdata \| longdata)) {
	424	chardata = 1;
	425	break;
	426	}
	427	case 'h': case 'n': case 'p': case 'q': case 's': case 'L':
	428	case '$': case '*':
	429	goto fmt_broken;
	430	case 'f': case 'e': case 'g': case 'E': case 'G':
	431	if (!longdata)
	432	break;
	433	/* FALLTHROUGH */
44bd5ea7	434	default:
9bafe280 A	435	fmt_broken:
	436	*++p = '\0';
	437	errx(1, "illegal or unsupported format '%s'", p2);
	438	/* NOTREACHED */
44bd5ea7	439	}
9bafe280 A	440	while (*++p)
	441	if (p == '%' && (p+1) && *(p+1) != '%')
	442	errx(1, "too many conversions");
	443	else if (p == '%' && (p+1) == '%')
	444	p++;
	445	else if (p == '%' && !(p+1)) {
	446	strcat(format, "%");
	447	break;
	448	}
44bd5ea7 A	449	}
44bd5ea7 A	450	}