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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/jot/jot.c	Lines:	148	206	71.8 %
Date:	2017-11-13	Branches:	154	239	64.4 %


/*	$OpenBSD: jot.c,v 1.36 2016/09/02 14:23:09 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 <ctype.h>
#include <err.h>
#include <limits.h>
#include <math.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#define	REPS	1
#define	BEGIN	2
#define	ENDER	4
#define	STEP	8

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

static long	reps	= 100;
static double	begin	= 1;
static double	ender	= 100;
static double	step	= 1;

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

static void	getformat(void);
static int	getprec(char *);
static int	putdata(double, bool);
static void __dead	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 flock rpath cpath wpath", NULL) == -1)
		err(1, "pledge");

	while ((ch = getopt(argc, argv, "b:cnp:rs:w:")) != -1) {
		switch (ch) {
		case 'b':
			boring = true;
			if (strlcpy(format, optarg, sizeof(format)) >=
			    sizeof(format))
				errx(1, "-b word too long");
			break;
		case 'c':
			chardata = true;
			break;
		case 'n':
			finalnl = false;
			break;
		case 'p':
			prec = strtonum(optarg, 0, INT_MAX, &errstr);
			if (errstr != NULL)
				errx(1, "bad precision value, %s: %s", errstr,
					optarg);
			break;
		case 'r':
			randomize = true;
			break;
		case 's':
			if (strlcpy(sepstring, optarg, sizeof(sepstring)) >=
			    sizeof(sepstring))
				errx(1, "-s string too long");
			break;
		case 'w':
			if (strlcpy(format, optarg, sizeof(format)) >=
			    sizeof(format))
				errx(1, "-w word too long");
			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", &step))
				errx(1, "Bad s value:  %s", argv[3]);
			mask |= STEP;
			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 |= ENDER;
			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 |= BEGIN;
			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 |= REPS;
			if (reps == 0)
				infinity = true;
			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();

	if (!randomize) {
		/*
		 * Consolidate the values of reps, begin, ender, step:
		 * The formula ender - begin == (reps - 1) * step shows that any
		 * three determine the fourth (unless reps == 1 or step == 0).
		 * The manual states the following rules:
		 * 1. If four are specified, compare the given and the computed
		 *    value of reps and take the smaller of the two.
		 * 2. If steps was omitted, it takes the default, unless both
		 *    begin and ender were specified.
		 * 3. Assign defaults to omitted values for reps, begin, ender,
		 *    from left to right.
		 */
		switch (mask) { /* Four cases involve both begin and ender. */
		case REPS | BEGIN | ENDER | STEP:
			if (infinity)
				errx(1,
				    "Can't specify end of infinite sequence");
			if (step != 0.0) {
				long t = (ender - begin + step) / step;
				if (t <= 0)
					errx(1, "Impossible stepsize");
				if (t < reps)
					reps = t;
			}
			break;
		case REPS | BEGIN | ENDER:
			if (infinity)
				errx(1,
				    "Can't specify end of infinite sequence");
			if (reps == 1)
				step = 0.0;
			else
				step = (ender - begin) / (reps - 1);
			break;
		case BEGIN | ENDER:
			step = ender > begin ? 1 : -1; /* FreeBSD's behavior. */
			/* FALLTHROUGH */
		case BEGIN | ENDER | STEP:
			if (step == 0.0) {
				reps = 0;
				infinity = true;
				break;
			}
			reps = (ender - begin + step) / step;
			if (reps <= 0)
				errx(1, "Impossible stepsize");
			break;
		case ENDER:		/* Four cases involve only ender. */
		case ENDER | STEP:
		case REPS | ENDER:
		case REPS | ENDER | STEP:
			if (infinity)
				errx(1,
				    "Must specify start of infinite sequence");
			begin = ender - reps * step + step;
			break;
		default:
			/*
			 * The remaining eight cases omit ender.  We don't need
			 * to compute anything because only reps, begin, step
			 * are used for producing output below.  Rules 2. and 3.
			 * together imply that ender will be set last.
			 */
			break;
		}

		for (i = 1, x = begin; i <= reps || infinity; i++, x += step)
			if (putdata(x, reps == i && !infinity))
				errx(1, "range error in conversion: %f", x);
	} else { /* Random output: use defaults for omitted values. */
		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);
		}
	}

	if (finalnl)
		putchar('\n');

	return 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 __dead
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)
{
	if ((s = strchr(s, '.')) == NULL)
		return 0;
	return strspn(s + 1, "0123456789");
}

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 == '%') {
			if (*(p+1) != '%')
				break;
			p++;			/* leave %% alone */
		}
	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);
		}
		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 1.36 2016/09/02 14:23:09 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 <ctype.h>
40			#include <err.h>
41			#include <limits.h>
42			#include <math.h>
43			#include <stdbool.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 1
51			#define BEGIN 2
52			#define ENDER 4
53			#define STEP 8
54
55			#define is_default(s) (strcmp((s), "-") == 0)
56
57			static long reps = 100;
58			static double begin = 1;
59			static double ender = 100;
60			static double step = 1;
61
62			static char format[BUFSIZ];
63			static char sepstring[BUFSIZ] = "\n";
64			static int prec = -1;
65			static bool boring;
66			static bool chardata;
67			static bool finalnl = true;
68			static bool infinity;
69			static bool intdata;
70			static bool longdata;
71			static bool nosign;
72			static bool randomize;
73
74			static void getformat(void);
75			static int getprec(char *);
76			static int putdata(double, bool);
77			static void __dead usage(void);
78
79			int
80			main(int argc, char *argv[])
81			{
82			double x;
83			double y;
84			long i;
85			unsigned int mask = 0;
86			int n = 0;
87			int ch;
88		1132	const char *errstr;
89
90	✗✓	566	if (pledge("stdio flock rpath cpath wpath", NULL) == -1)
91			err(1, "pledge");
92
93	✓✓	1636	while ((ch = getopt(argc, argv, "b:cnp:rs:w:")) != -1) {
94	✓✓✗✓ ✓✓✓✗	252	switch (ch) {
95			case 'b':
96		41	boring = true;
97	✗✓	41	if (strlcpy(format, optarg, sizeof(format)) >=
98			sizeof(format))
99			errx(1, "-b word too long");
100			break;
101			case 'c':
102		5	chardata = true;
103		5	break;
104			case 'n':
105			finalnl = false;
106			break;
107			case 'p':
108		10	prec = strtonum(optarg, 0, INT_MAX, &errstr);
109	✗✓	10	if (errstr != NULL)
110			errx(1, "bad precision value, %s: %s", errstr,
111			optarg);
112			break;
113			case 'r':
114		20	randomize = true;
115		20	break;
116			case 's':
117	✗✓	41	if (strlcpy(sepstring, optarg, sizeof(sepstring)) >=
118			sizeof(sepstring))
119			errx(1, "-s string too long");
120			break;
121			case 'w':
122	✗✓	135	if (strlcpy(format, optarg, sizeof(format)) >=
123			sizeof(format))
124			errx(1, "-w word too long");
125			break;
126			default:
127			usage();
128			}
129			}
130		1626	argc -= optind;
131		1626	argv += optind;
132
133	✓✓✓✓ ✗✗	1626	switch (argc) { /* examine args right to left, falling thru cases */
134			case 4:
135	✓✓	320	if (!is_default(argv[3])) {
136	✗✓	190	if (!sscanf(argv[3], "%lf", &step))
137			errx(1, "Bad s value: %s", argv[3]);
138			mask \|= STEP;
139	✓✓	190	if (randomize)
140		10	warnx("random seeding not supported");
141			}
142			case 3:
143	✓✓	350	if (!is_default(argv[2])) {
144	✗✓	245	if (!sscanf(argv[2], "%lf", &ender))
145			ender = argv[2][strlen(argv[2])-1];
146		245	mask \|= ENDER;
147	✓✓	245	if (prec == -1)
148		235	n = getprec(argv[2]);
149			}
150			case 2:
151	✓✓	390	if (!is_default(argv[1])) {
152	✓✓	285	if (!sscanf(argv[1], "%lf", &begin))
153		10	begin = argv[1][strlen(argv[1])-1];
154		285	mask \|= BEGIN;
155	✓✓	285	if (prec == -1)
156		275	prec = getprec(argv[1]);
157	✓✓	285	if (n > prec) /* maximum precision */
158		10	prec = n;
159			}
160			case 1:
161	✓✓	566	if (!is_default(argv[0])) {
162	✗✓	436	if (!sscanf(argv[0], "%ld", &reps))
163			errx(1, "Bad reps value: %s", argv[0]);
164		436	mask \|= REPS;
165	✗✓	436	if (reps == 0)
166			infinity = true;
167	✓✓	436	if (prec == -1)
168		241	prec = 0;
169			}
170			break;
171			case 0:
172			usage();
173			break;
174			default:
175			errx(1, "Too many arguments. What do you mean by %s?",
176			argv[4]);
177			}
178
179		566	getformat();
180
181	✓✓	566	if (!randomize) {
182			/*
183			* Consolidate the values of reps, begin, ender, step:
184			* The formula ender - begin == (reps - 1) * step shows that any
185			* three determine the fourth (unless reps == 1 or step == 0).
186			* The manual states the following rules:
187			* 1. If four are specified, compare the given and the computed
188			* value of reps and take the smaller of the two.
189			* 2. If steps was omitted, it takes the default, unless both
190			* begin and ender were specified.
191			* 3. Assign defaults to omitted values for reps, begin, ender,
192			* from left to right.
193			*/
194	✓✓✓✓ ✗✗✗✓ ✓	801	switch (mask) { /* Four cases involve both begin and ender. */
195			case REPS \| BEGIN \| ENDER \| STEP:
196	✗✓	45	if (infinity)
197			errx(1,
198			"Can't specify end of infinite sequence");
199	✓✗	45	if (step != 0.0) {
200		45	long t = (ender - begin + step) / step;
201	✗✓	45	if (t <= 0)
202			errx(1, "Impossible stepsize");
203	✓✓	45	if (t < reps)
204		5	reps = t;
205		45	}
206			break;
207			case REPS \| BEGIN \| ENDER:
208	✗✓	45	if (infinity)
209			errx(1,
210			"Can't specify end of infinite sequence");
211	✓✗	45	if (reps == 1)
212			step = 0.0;
213			else
214		45	step = (ender - begin) / (reps - 1);
215		45	break;
216			case BEGIN \| ENDER:
217		25	step = ender > begin ? 1 : -1; /* FreeBSD's behavior. */
218			/* FALLTHROUGH */
219			case BEGIN \| ENDER \| STEP:
220	✗✓	70	if (step == 0.0) {
221			reps = 0;
222			infinity = true;
223			break;
224			}
225		70	reps = (ender - begin + step) / step;
226	✗✓	70	if (reps <= 0)
227			errx(1, "Impossible stepsize");
228			break;
229			case ENDER: /* Four cases involve only ender. */
230			case ENDER \| STEP:
231			case REPS \| ENDER:
232			case REPS \| ENDER \| STEP:
233	✗✓	70	if (infinity)
234			errx(1,
235			"Must specify start of infinite sequence");
236		70	begin = ender - reps * step + step;
237		70	break;
238			default:
239			/*
240			* The remaining eight cases omit ender. We don't need
241			* to compute anything because only reps, begin, step
242			* are used for producing output below. Rules 2. and 3.
243			* together imply that ender will be set last.
244			*/
245			break;
246			}
247
248	✓✓	2226162	for (i = 1, x = begin; i <= reps \|\| infinity; i++, x += step)
249	✓✓✓✓	2225626	if (putdata(x, reps == i && !infinity))
250			errx(1, "range error in conversion: %f", x);
251			} else { /* Random output: use defaults for omitted values. */
252			bool use_unif;
253			uint32_t pow10 = 1;
254			uint32_t uintx = 0; /* Initialized to make gcc happy. */
255
256	✗✓	20	if (prec > 9) /* pow(10, prec) > UINT32_MAX */
257			errx(1, "requested precision too large");
258
259	✓✓	20	if (ender < begin) {
260			x = begin;
261		5	begin = ender;
262		5	ender = x;
263		5	}
264		20	x = ender - begin;
265
266	✓✗✓✗ ✗✓	60	if (prec == 0 && (fmod(ender, 1) != 0 \|\| fmod(begin, 1) != 0))
267			use_unif = 0;
268			else {
269	✗✓	40	while (prec-- > 0)
270			pow10 *= 10;
271			/*
272			* If pow10 * (ender - begin) is an integer, use
273			* arc4random_uniform().
274			*/
275		20	use_unif = fmod(pow10 * (ender - begin), 1) == 0;
276	✓✗	20	if (use_unif) {
277		20	uintx = pow10 * (ender - begin);
278	✗✓	20	if (uintx >= UINT32_MAX)
279			errx(1, "requested range too large");
280		20	uintx++;
281		20	}
282			}
283
284	✓✓	202040	for (i = 1; i <= reps \|\| infinity; i++) {
285			double v;
286
287	✓✗	101000	if (use_unif) {
288		101000	y = arc4random_uniform(uintx) / (double)pow10;
289		101000	v = y + begin;
290		101000	} else {
291			y = arc4random() / ((double)0xffffffff + 1);
292			v = y * x + begin;
293			}
294	✓✓✗✓	202020	if (putdata(v, reps == i && !infinity))
295			errx(1, "range error in conversion: %f", v);
296			}
297			}
298
299	✓✗	556	if (finalnl)
300	✓✗	1112	putchar('\n');
301
302		556	return 0;
303		556	}
304
305			static int
306			putdata(double x, bool last)
307			{
308	✓✓	1213545	if (boring)
309		1087270	printf("%s", format);
310	✗✓✗✗	126275	else if (longdata && nosign) {
311			if (x <= (double)ULONG_MAX && x >= 0.0)
312			printf(format, (unsigned long)x);
313			else
314			return 1;
315	✗✓	126275	} else if (longdata) {
316			if (x <= (double)LONG_MAX && x >= (double)LONG_MIN)
317			printf(format, (long)x);
318			else
319			return 1;
320	✓✓✓✓ ✓✓	253140	} else if (chardata \|\| (intdata && !nosign)) {
321	✓✓	1735	if (x <= (double)INT_MAX && x >= (double)INT_MIN)
322		1730	printf(format, (int)x);
323			else
324		5	return 1;
325	✓✓	126270	} else if (intdata) {
326	✓✓	755	if (x <= (double)UINT_MAX && x >= 0.0)
327		750	printf(format, (unsigned int)x);
328			else
329		5	return 1;
330		750	} else
331		123785	printf(format, x);
332	✓✓	1213535	if (!last)
333		1212979	fputs(sepstring, stdout);
334
335		1213535	return 0;
336		1213545	}
337
338			static void __dead
339			usage(void)
340			{
341			(void)fprintf(stderr, "usage: jot [-cnr] [-b word] [-p precision] "
342			"[-s string] [-w word]\n"
343			" [reps [begin [end [s]]]]\n");
344			exit(1);
345			}
346
347			static int
348			getprec(char *s)
349			{
350	✓✓	1020	if ((s = strchr(s, '.')) == NULL)
351		490	return 0;
352		20	return strspn(s + 1, "0123456789");
353		510	}
354
355			static void
356			getformat(void)
357			{
358			char p, p2;
359			int dot, hash, space, sign, numbers = 0;
360			size_t sz;
361
362	✓✓	1132	if (boring) /* no need to bother */
363		41	return;
364	✓✓	1770	for (p = format; p != '\0'; p++) / look for '%' */
365	✓✓	495	if (*p == '%') {
366	✓✓	160	if (*(p+1) != '%')
367			break;
368		25	p++; /* leave %% alone */
369		25	}
370		525	sz = sizeof(format) - strlen(format) - 1;
371	✓✓✓✓	915	if (*p == '\0' && !chardata) {
372			int n;
373
374		385	n = snprintf(p, sz, "%%.%df", prec);
375	✓✗✗✓	770	if (n == -1 \|\| n >= (int)sz)
376			errx(1, "-w word too long");
377	✓✓✓✗	530	} else if (*p == '\0' && chardata) {
378	✗✓	5	if (strlcpy(p, "%c", sz) >= sz)
379			errx(1, "-w word too long");
380		5	intdata = true;
381	✗✓	140	} else if (*(p+1) == '\0') {
382			if (sz <= 0)
383			errx(1, "-w word too long");
384			/* cannot end in single '%' */
385			strlcat(format, "%", sizeof format);
386			} else {
387			/*
388			* Allow conversion format specifiers of the form
389			* %[#][ ][{+,-}][0-9][.[0-9]]? where ? must be one of
390			* [l]{d,i,o,u,x} or {f,e,g,E,G,d,o,x,D,O,U,X,c,u}
391			*/
392		135	p2 = p++;
393			dot = hash = space = sign = numbers = 0;
394	✓✓	360	while (!isalpha((unsigned char)*p)) {
395	✓✓	45	if (isdigit((unsigned char)*p)) {
396		35	numbers++;
397		35	p++;
398	✗✓✓✗	50	} else if ((*p == '#' && !(numbers\|dot\|sign\|space\|
399			hash++)) \|\|
400	✗✓✗✗	10	(*p == ' ' && !(numbers\|dot\|space++)) \|\|
401	✓✗✓✓	25	((p == '+' \|\| p == '-') && !(numbers\|dot\|sign++))
402	✗✓✓✗	15	\|\| (*p == '.' && !(dot++)))
403		10	p++;
404			else
405			goto fmt_broken;
406			}
407	✗✓	135	if (*p == 'l') {
408			longdata = true;
409			if (*++p == 'l') {
410			if (p[1] != '\0')
411			p++;
412			goto fmt_broken;
413			}
414			}
415	✗✗✗✓ ✗✗✗✓ ✗✗✗✗ ✓✗✗✓	185	switch (*p) {
416			case 'o': case 'u': case 'x': case 'X':
417		35	intdata = nosign = true;
418		35	break;
419			case 'd': case 'i':
420			intdata = true;
421			break;
422			case 'D':
423			if (!longdata) {
424			intdata = true;
425			break;
426			}
427			case 'O': case 'U':
428			if (!longdata) {
429			intdata = nosign = true;
430			break;
431			}
432			case 'c':
433	✗✓	15	if (!(intdata \| longdata)) {
434			chardata = true;
435			break;
436			}
437			case 'h': case 'n': case 'p': case 'q': case 's': case 'L':
438			case '$': case '*':
439			goto fmt_broken;
440			case 'f': case 'e': case 'g': case 'E': case 'G':
441	✗✓	25	if (!longdata)
442			break;
443			/* FALLTHROUGH */
444			default:
445			fmt_broken:
446			*++p = '\0';
447			errx(1, "illegal or unsupported format '%s'", p2);
448			}
449	✓✓	880	while (*++p != '\0')
450	✓✓✓✓ ✗✓	340	if (p == '%' && (p+1) != '\0' && *(p+1) != '%')
451			errx(1, "too many conversions");
452	✓✓✓✓	300	else if (p == '%' && (p+1) == '%')
453		40	p++;
454	✓✓✓✗	220	else if (p == '%' && (p+1) == '\0') {
455		5	strlcat(format, "%", sizeof format);
456		5	break;
457			}
458			}
459		1091	}