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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/jot/jot.c	Lines:	0	257	0.0 %
Date:	2016-12-06	Branches:	0	267	0.0 %


/*	$OpenBSD: jot.c,v 1.28 2016/07/17 04:04:46 tb Exp $	*/
/*	$NetBSD: jot.c,v 1.3 1994/12/02 20:29:43 pk Exp $	*/

/*-
 * 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. 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.
 */

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

#include <err.h>
#include <stdbool.h>
#include <ctype.h>
#include <limits.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.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)

static double	begin;
static double	ender;
static double	s;
static long	reps;
static bool	randomize;
static bool	infinity;
static bool	boring;
static int	prec = -1;
static bool	intdata;
static bool	longdata;
static bool	chardata;
static bool	nosign;
static bool	finalnl = true;
static char	sepstring[BUFSIZ] = "\n";
static char	format[BUFSIZ];

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

int
main(int argc, char *argv[])
{
	double		x;
	double		y;
	long		i;
	unsigned int	mask = 0;
	int		n = 0;
	int		ch;
	const	char	*errstr;

	if (pledge("stdio wpath cpath rpath", NULL) == -1)
		err(1, "pledge");

	while ((ch = getopt(argc, argv, "rb:w:cs:np:")) != -1)
		switch (ch) {
		case 'r':
			randomize = true;
			break;
		case 'c':
			chardata = true;
			break;
		case 'n':
			finalnl = false;
			break;
		case 'b':
			boring = true;
			if (strlcpy(format, optarg, sizeof(format)) >=
			    sizeof(format))
				errx(1, "-b word too long");
			break;
		case 'w':
			if (strlcpy(format, optarg, sizeof(format)) >=
			    sizeof(format))
				errx(1, "-w word too long");
			break;
		case 's':
			if (strlcpy(sepstring, optarg, sizeof(sepstring)) >=
			    sizeof(sepstring))
				errx(1, "-s string too long");
			break;
		case 'p':
			prec = strtonum(optarg, 0, INT_MAX, &errstr);
			if (errstr != NULL)
				errx(1, "bad precision value, %s: %s", errstr,
					optarg);
			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;
			if (randomize)
				warnx("random seeding not supported");
		}
	case 3:
		if (!is_default(argv[2])) {
			if (!sscanf(argv[2], "%lf", &ender))
				ender = argv[2][strlen(argv[2])-1];
			mask |= 02;
			if (prec == -1)
				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 == -1)
				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;
			if (prec == -1)
				prec = 0;
		}
		break;
	case 0:
		usage();
		break;
	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 = 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 = STEP_DEF;
			mask = 015;
			break;
		case 015:
			if (randomize)
				ender = ENDER_DEF;
			else
				ender = begin + reps * s - s;
			mask = 0;
			break;
		case 016:
			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 = true;
	if (randomize) {
		bool		use_unif;
		uint32_t	pow10 = 1;
		uint32_t	uintx = 0; /* Initialized to make gcc happy. */

		if (prec > 9)	/* pow(10, prec) > UINT32_MAX */
			errx(1, "requested precision too large");

		if (ender < begin) {
			x = begin;
			begin = ender;
			ender = x;
		}
		x = ender - begin;

		if (prec == 0 && (fmod(ender, 1) != 0 || fmod(begin, 1) != 0))
			use_unif = 0;
		else {
			while (prec-- > 0)
				pow10 *= 10;
			/*
			 * If pow10 * (ender - begin) is an integer, use
			 * arc4random_uniform().
			 */
			use_unif = fmod(pow10 * (ender - begin), 1) == 0;
			if (use_unif) {
				uintx = pow10 * (ender - begin);
				if (uintx >= UINT32_MAX)
					errx(1, "requested range too large");
				uintx++;
			}
		}

		for (i = 1; i <= reps || infinity; i++) {
			double v;

			if (use_unif) {
				y = arc4random_uniform(uintx) / (double)pow10;
				v = y + begin;
			} else {
				y = arc4random() / ((double)0xffffffff + 1);
				v = y * x + begin;
			}
			if (putdata(v, reps == i && !infinity))
				errx(1, "range error in conversion: %f", v);
		}
	}
	else
		for (i = 1, x = begin; i <= reps || infinity; i++, x += s)
			if (putdata(x, reps == i && !infinity))
				errx(1, "range error in conversion: %f", x);
	if (finalnl)
		putchar('\n');
	exit(0);
}

static int
putdata(double x, bool last)
{
	if (boring)
		printf("%s", format);
	else if (longdata && nosign) {
		if (x <= (double)ULONG_MAX && x >= 0.0)
			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 >= 0.0)
			printf(format, (unsigned int)x);
		else
			return (1);
	} else
		printf(format, x);
	if (!last)
		fputs(sepstring, stdout);

	return (0);
}

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

static int
getprec(char *s)
{
	char	*p;
	char	*q;

	for (p = s; *p != '\0'; p++)
		if (*p == '.')
			break;
	if (*p == '\0')
		return (0);
	for (q = ++p; *p != '\0'; p++)
		if (!isdigit((unsigned char)*p))
			break;
	return (p - q);
}

static 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 != '\0'; p++)	/* look for '%' */
		if (*p == '%' && *(p+1) != '%')	/* leave %% alone */
			break;
	sz = sizeof(format) - strlen(format) - 1;
	if (*p == '\0' && !chardata) {
		int n;

		n = snprintf(p, sz, "%%.%df", prec);
		if (n == -1 || n >= (int)sz)
			errx(1, "-w word too long");
	} else if (*p == '\0' && chardata) {
		if (strlcpy(p, "%c", sz) >= sz)
			errx(1, "-w word too long");
		intdata = true;
	} else if (*(p+1) == '\0') {
		if (sz <= 0)
			errx(1, "-w word too long");
		/* cannot end in single '%' */
		strlcat(format, "%", sizeof format);
	} 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((unsigned char)*p)) {
			if (isdigit((unsigned char)*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 = true;
			if (*++p == 'l') {
				if (p[1] != '\0')
					p++;
				goto fmt_broken;
			}
		}
		switch (*p) {
		case 'o': case 'u': case 'x': case 'X':
			intdata = nosign = true;
			break;
		case 'd': case 'i':
			intdata = true;
			break;
		case 'D':
			if (!longdata) {
				intdata = true;
				break;
			}
		case 'O': case 'U':
			if (!longdata) {
				intdata = nosign = true;
				break;
			}
		case 'c':
			if (!(intdata | longdata)) {
				chardata = true;
				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 != '\0')
			if (*p == '%' && *(p+1) != '\0' && *(p+1) != '%')
				errx(1, "too many conversions");
			else if (*p == '%' && *(p+1) == '%')
				p++;
			else if (*p == '%' && *(p+1) == '\0') {
				strlcat(format, "%", sizeof format);
				break;
			}
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: jot.c,v 1.28 2016/07/17 04:04:46 tb Exp $ */
2			/* $NetBSD: jot.c,v 1.3 1994/12/02 20:29:43 pk Exp $ */
3
4			/*-
5			* Copyright (c) 1993
6			* The Regents of the University of California. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			* 3. Neither the name of the University nor the names of its contributors
17			* may be used to endorse or promote products derived from this software
18			* without specific prior written permission.
19			*
20			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30			* SUCH DAMAGE.
31			*/
32
33			/*
34			* jot - print sequential or random data
35			*
36			* Author: John Kunze, Office of Comp. Affairs, UCB
37			*/
38
39			#include <err.h>
40			#include <stdbool.h>
41			#include <ctype.h>
42			#include <limits.h>
43			#include <math.h>
44			#include <stdint.h>
45			#include <stdio.h>
46			#include <stdlib.h>
47			#include <string.h>
48			#include <unistd.h>
49
50			#define REPS_DEF 100
51			#define BEGIN_DEF 1
52			#define ENDER_DEF 100
53			#define STEP_DEF 1
54
55			#define is_default(s) (strcmp((s), "-") == 0)
56
57			static double begin;
58			static double ender;
59			static double s;
60			static long reps;
61			static bool randomize;
62			static bool infinity;
63			static bool boring;
64			static int prec = -1;
65			static bool intdata;
66			static bool longdata;
67			static bool chardata;
68			static bool nosign;
69			static bool finalnl = true;
70			static char sepstring[BUFSIZ] = "\n";
71			static char format[BUFSIZ];
72
73			static void getformat(void);
74			static int getprec(char *);
75			static int putdata(double, bool);
76			static void usage(void);
77
78			int
79			main(int argc, char *argv[])
80			{
81			double x;
82			double y;
83			long i;
84			unsigned int mask = 0;
85			int n = 0;
86			int ch;
87			const char *errstr;
88
89			if (pledge("stdio wpath cpath rpath", NULL) == -1)
90			err(1, "pledge");
91
92			while ((ch = getopt(argc, argv, "rb:w:cs:np:")) != -1)
93			switch (ch) {
94			case 'r':
95			randomize = true;
96			break;
97			case 'c':
98			chardata = true;
99			break;
100			case 'n':
101			finalnl = false;
102			break;
103			case 'b':
104			boring = true;
105			if (strlcpy(format, optarg, sizeof(format)) >=
106			sizeof(format))
107			errx(1, "-b word too long");
108			break;
109			case 'w':
110			if (strlcpy(format, optarg, sizeof(format)) >=
111			sizeof(format))
112			errx(1, "-w word too long");
113			break;
114			case 's':
115			if (strlcpy(sepstring, optarg, sizeof(sepstring)) >=
116			sizeof(sepstring))
117			errx(1, "-s string too long");
118			break;
119			case 'p':
120			prec = strtonum(optarg, 0, INT_MAX, &errstr);
121			if (errstr != NULL)
122			errx(1, "bad precision value, %s: %s", errstr,
123			optarg);
124			break;
125			default:
126			usage();
127			}
128			argc -= optind;
129			argv += optind;
130
131			switch (argc) { /* examine args right to left, falling thru cases */
132			case 4:
133			if (!is_default(argv[3])) {
134			if (!sscanf(argv[3], "%lf", &s))
135			errx(1, "Bad s value: %s", argv[3]);
136			mask \|= 01;
137			if (randomize)
138			warnx("random seeding not supported");
139			}
140			case 3:
141			if (!is_default(argv[2])) {
142			if (!sscanf(argv[2], "%lf", &ender))
143			ender = argv[2][strlen(argv[2])-1];
144			mask \|= 02;
145			if (prec == -1)
146			n = getprec(argv[2]);
147			}
148			case 2:
149			if (!is_default(argv[1])) {
150			if (!sscanf(argv[1], "%lf", &begin))
151			begin = argv[1][strlen(argv[1])-1];
152			mask \|= 04;
153			if (prec == -1)
154			prec = getprec(argv[1]);
155			if (n > prec) /* maximum precision */
156			prec = n;
157			}
158			case 1:
159			if (!is_default(argv[0])) {
160			if (!sscanf(argv[0], "%ld", &reps))
161			errx(1, "Bad reps value: %s", argv[0]);
162			mask \|= 010;
163			if (prec == -1)
164			prec = 0;
165			}
166			break;
167			case 0:
168			usage();
169			break;
170			default:
171			errx(1, "Too many arguments. What do you mean by %s?",
172			argv[4]);
173			}
174			getformat();
175			while (mask) /* 4 bit mask has 1's where last 4 args were given */
176			switch (mask) { /* fill in the 0's by default or computation */
177			case 001:
178			reps = REPS_DEF;
179			mask = 011;
180			break;
181			case 002:
182			reps = REPS_DEF;
183			mask = 012;
184			break;
185			case 003:
186			reps = REPS_DEF;
187			mask = 013;
188			break;
189			case 004:
190			reps = REPS_DEF;
191			mask = 014;
192			break;
193			case 005:
194			reps = REPS_DEF;
195			mask = 015;
196			break;
197			case 006:
198			reps = REPS_DEF;
199			mask = 016;
200			break;
201			case 007:
202			if (randomize) {
203			reps = REPS_DEF;
204			mask = 0;
205			break;
206			}
207			if (s == 0.0) {
208			reps = 0;
209			mask = 0;
210			break;
211			}
212			reps = (ender - begin + s) / s;
213			if (reps <= 0)
214			errx(1, "Impossible stepsize");
215			mask = 0;
216			break;
217			case 010:
218			begin = BEGIN_DEF;
219			mask = 014;
220			break;
221			case 011:
222			begin = BEGIN_DEF;
223			mask = 015;
224			break;
225			case 012:
226			s = STEP_DEF;
227			mask = 013;
228			break;
229			case 013:
230			if (randomize)
231			begin = BEGIN_DEF;
232			else if (reps == 0)
233			errx(1, "Must specify begin if reps == 0");
234			begin = ender - reps * s + s;
235			mask = 0;
236			break;
237			case 014:
238			s = STEP_DEF;
239			mask = 015;
240			break;
241			case 015:
242			if (randomize)
243			ender = ENDER_DEF;
244			else
245			ender = begin + reps * s - s;
246			mask = 0;
247			break;
248			case 016:
249			if (reps == 0)
250			errx(1, "Infinite sequences cannot be bounded");
251			else if (reps == 1)
252			s = 0.0;
253			else
254			s = (ender - begin) / (reps - 1);
255			mask = 0;
256			break;
257			case 017: /* if reps given and implied, */
258			if (!randomize && s != 0.0) {
259			long t = (ender - begin + s) / s;
260			if (t <= 0)
261			errx(1, "Impossible stepsize");
262			if (t < reps) /* take lesser */
263			reps = t;
264			}
265			mask = 0;
266			break;
267			default:
268			errx(1, "bad mask");
269			}
270			if (reps == 0)
271			infinity = true;
272			if (randomize) {
273			bool use_unif;
274			uint32_t pow10 = 1;
275			uint32_t uintx = 0; /* Initialized to make gcc happy. */
276
277			if (prec > 9) /* pow(10, prec) > UINT32_MAX */
278			errx(1, "requested precision too large");
279
280			if (ender < begin) {
281			x = begin;
282			begin = ender;
283			ender = x;
284			}
285			x = ender - begin;
286
287			if (prec == 0 && (fmod(ender, 1) != 0 \|\| fmod(begin, 1) != 0))
288			use_unif = 0;
289			else {
290			while (prec-- > 0)
291			pow10 *= 10;
292			/*
293			* If pow10 * (ender - begin) is an integer, use
294			* arc4random_uniform().
295			*/
296			use_unif = fmod(pow10 * (ender - begin), 1) == 0;
297			if (use_unif) {
298			uintx = pow10 * (ender - begin);
299			if (uintx >= UINT32_MAX)
300			errx(1, "requested range too large");
301			uintx++;
302			}
303			}
304
305			for (i = 1; i <= reps \|\| infinity; i++) {
306			double v;
307
308			if (use_unif) {
309			y = arc4random_uniform(uintx) / (double)pow10;
310			v = y + begin;
311			} else {
312			y = arc4random() / ((double)0xffffffff + 1);
313			v = y * x + begin;
314			}
315			if (putdata(v, reps == i && !infinity))
316			errx(1, "range error in conversion: %f", v);
317			}
318			}
319			else
320			for (i = 1, x = begin; i <= reps \|\| infinity; i++, x += s)
321			if (putdata(x, reps == i && !infinity))
322			errx(1, "range error in conversion: %f", x);
323			if (finalnl)
324			putchar('\n');
325			exit(0);
326			}
327
328			static int
329			putdata(double x, bool last)
330			{
331			if (boring)
332			printf("%s", format);
333			else if (longdata && nosign) {
334			if (x <= (double)ULONG_MAX && x >= 0.0)
335			printf(format, (unsigned long)x);
336			else
337			return (1);
338			} else if (longdata) {
339			if (x <= (double)LONG_MAX && x >= (double)LONG_MIN)
340			printf(format, (long)x);
341			else
342			return (1);
343			} else if (chardata \|\| (intdata && !nosign)) {
344			if (x <= (double)INT_MAX && x >= (double)INT_MIN)
345			printf(format, (int)x);
346			else
347			return (1);
348			} else if (intdata) {
349			if (x <= (double)UINT_MAX && x >= 0.0)
350			printf(format, (unsigned int)x);
351			else
352			return (1);
353			} else
354			printf(format, x);
355			if (!last)
356			fputs(sepstring, stdout);
357
358			return (0);
359			}
360
361			static void
362			usage(void)
363			{
364			(void)fprintf(stderr, "usage: jot [-cnr] [-b word] [-p precision] "
365			"[-s string] [-w word]\n"
366			" [reps [begin [end [s]]]]\n");
367			exit(1);
368			}
369
370			static int
371			getprec(char *s)
372			{
373			char *p;
374			char *q;
375
376			for (p = s; *p != '\0'; p++)
377			if (*p == '.')
378			break;
379			if (*p == '\0')
380			return (0);
381			for (q = ++p; *p != '\0'; p++)
382			if (!isdigit((unsigned char)*p))
383			break;
384			return (p - q);
385			}
386
387			static void
388			getformat(void)
389			{
390			char p, p2;
391			int dot, hash, space, sign, numbers = 0;
392			size_t sz;
393
394			if (boring) /* no need to bother */
395			return;
396			for (p = format; p != '\0'; p++) / look for '%' */
397			if (p == '%' && (p+1) != '%') /* leave %% alone */
398			break;
399			sz = sizeof(format) - strlen(format) - 1;
400			if (*p == '\0' && !chardata) {
401			int n;
402
403			n = snprintf(p, sz, "%%.%df", prec);
404			if (n == -1 \|\| n >= (int)sz)
405			errx(1, "-w word too long");
406			} else if (*p == '\0' && chardata) {
407			if (strlcpy(p, "%c", sz) >= sz)
408			errx(1, "-w word too long");
409			intdata = true;
410			} else if (*(p+1) == '\0') {
411			if (sz <= 0)
412			errx(1, "-w word too long");
413			/* cannot end in single '%' */
414			strlcat(format, "%", sizeof format);
415			} else {
416			/*
417			* Allow conversion format specifiers of the form
418			* %[#][ ][{+,-}][0-9][.[0-9]]? where ? must be one of
419			* [l]{d,i,o,u,x} or {f,e,g,E,G,d,o,x,D,O,U,X,c,u}
420			*/
421			p2 = p++;
422			dot = hash = space = sign = numbers = 0;
423			while (!isalpha((unsigned char)*p)) {
424			if (isdigit((unsigned char)*p)) {
425			numbers++;
426			p++;
427			} else if ((*p == '#' && !(numbers\|dot\|sign\|space\|
428			hash++)) \|\|
429			(*p == ' ' && !(numbers\|dot\|space++)) \|\|
430			((p == '+' \|\| p == '-') && !(numbers\|dot\|sign++))
431			\|\| (*p == '.' && !(dot++)))
432			p++;
433			else
434			goto fmt_broken;
435			}
436			if (*p == 'l') {
437			longdata = true;
438			if (*++p == 'l') {
439			if (p[1] != '\0')
440			p++;
441			goto fmt_broken;
442			}
443			}
444			switch (*p) {
445			case 'o': case 'u': case 'x': case 'X':
446			intdata = nosign = true;
447			break;
448			case 'd': case 'i':
449			intdata = true;
450			break;
451			case 'D':
452			if (!longdata) {
453			intdata = true;
454			break;
455			}
456			case 'O': case 'U':
457			if (!longdata) {
458			intdata = nosign = true;
459			break;
460			}
461			case 'c':
462			if (!(intdata \| longdata)) {
463			chardata = true;
464			break;
465			}
466			case 'h': case 'n': case 'p': case 'q': case 's': case 'L':
467			case '$': case '*':
468			goto fmt_broken;
469			case 'f': case 'e': case 'g': case 'E': case 'G':
470			if (!longdata)
471			break;
472			/* FALLTHROUGH */
473			default:
474			fmt_broken:
475			*++p = '\0';
476			errx(1, "illegal or unsupported format '%s'", p2);
477			/* NOTREACHED */
478			}
479			while (*++p != '\0')
480			if (p == '%' && (p+1) != '\0' && *(p+1) != '%')
481			errx(1, "too many conversions");
482			else if (p == '%' && (p+1) == '%')
483			p++;
484			else if (p == '%' && (p+1) == '\0') {
485			strlcat(format, "%", sizeof format);
486			break;
487			}
488			}
489			}