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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	bin/csh/misc.c	Lines:	0	118	0.0 %
Date:	2016-12-06	Branches:	0	96	0.0 %


/*	$OpenBSD: misc.c,v 1.18 2015/12/26 13:48:38 mestre Exp $	*/
/*	$NetBSD: misc.c,v 1.6 1995/03/21 09:03:09 cgd Exp $	*/

/*-
 * Copyright (c) 1980, 1991, 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.
 */

#include <sys/types.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>

#include "csh.h"
#include "extern.h"

static int	renum(int, int);

int
any(char *s, int c)
{
    if (!s)
	return (0);		/* Check for nil pointer */
    while (*s)
	if (*s++ == c)
	    return (1);
    return (0);
}

char   *
strsave(char *s)
{
    char   *n;
    char *p;

    if (s == NULL)
	s = "";
    for (p = s; *p++;)
	continue;
    n = p = xreallocarray(NULL, (p - s), sizeof(char));
    while ((*p++ = *s++) != '\0')
	continue;
    return (n);
}

Char  **
blkend(Char **up)
{

    while (*up)
	up++;
    return (up);
}


void
blkpr(FILE *fp, Char **av)
{

    for (; *av; av++) {
	(void) fprintf(fp, "%s", vis_str(*av));
	if (av[1])
	    (void) fprintf(fp, " ");
    }
}

int
blklen(Char **av)
{
    int i = 0;

    while (*av++)
	i++;
    return (i);
}

Char  **
blkcpy(Char **oav, Char **bv)
{
    Char **av = oav;

    while ((*av++ = *bv++) != NULL)
	continue;
    return (oav);
}

Char  **
blkcat(Char **up, Char **vp)
{

    (void) blkcpy(blkend(up), vp);
    return (up);
}

void
blkfree(Char **av0)
{
    Char **av = av0;

    if (!av0)
	return;
    for (; *av; av++)
	free(* av);
    free(av0);
}

Char  **
saveblk(Char **v)
{
    Char **newv = xcalloc((size_t) (blklen(v) + 1), sizeof(Char **));
    Char  **onewv = newv;

    while (*v)
	*newv++ = Strsave(*v++);
    return (onewv);
}

Char  **
blkspl(Char **up, Char **vp)
{
    Char **wp = xcalloc((size_t) (blklen(up) + blklen(vp) + 1),
		      sizeof(Char **));

    (void) blkcpy(wp, up);
    return (blkcat(wp, vp));
}

Char
lastchr(Char *cp)
{

    if (!cp)
	return (0);
    if (!*cp)
	return (0);
    while (cp[1])
	cp++;
    return (*cp);
}

/*
 * This routine is called after an error to close up
 * any units which may have been left open accidentally.
 */
void
closem(void)
{
    int f;

    for (f = 0; f < sysconf(_SC_OPEN_MAX); f++)
	if (f != SHIN && f != SHOUT && f != SHERR && f != OLDSTD &&
	    f != FSHTTY)
	    (void) close(f);
}

void
donefds(void)
{
    (void) close(0);
    (void) close(1);
    (void) close(2);

    didfds = 0;
}

/*
 * Move descriptor i to j.
 * If j is -1 then we just want to get i to a safe place,
 * i.e. to a unit > 2.  This also happens in dcopy.
 */
int
dmove(int i, int j)
{

    if (i == j || i < 0)
	return (i);
    if (j >= 0) {
	(void) dup2(i, j);
	if (j != i)
	    (void) close(i);
	return (j);
    }
    j = dcopy(i, j);
    if (j != i)
	(void) close(i);
    return (j);
}

int
dcopy(int i, int j)
{

    if (i == j || i < 0 || (j < 0 && i > 2))
	return (i);
    if (j >= 0) {
	(void) dup2(i, j);
	return (j);
    }
    (void) close(j);
    return (renum(i, j));
}

static int
renum(int i, int j)
{
    int k = dup(i);

    if (k < 0)
	return (-1);
    if (j == -1 && k > 2)
	return (k);
    if (k != j) {
	j = renum(k, j);
	(void) close(k);
	return (j);
    }
    return (k);
}

/*
 * Left shift a command argument list, discarding
 * the first c arguments.  Used in "shift" commands
 * as well as by commands like "repeat".
 */
void
lshift(Char **v, int c)
{
    Char **u;

    for (u = v; *u && --c >= 0; u++)
	free(*u);
    (void) blkcpy(v, u);
}

int
number(Char *cp)
{
    if (!cp)
	return(0);
    if (*cp == '-') {
	cp++;
	if (!Isdigit(*cp))
	    return (0);
	cp++;
    }
    while (*cp && Isdigit(*cp))
	cp++;
    return (*cp == 0);
}

Char  **
copyblk(Char **v)
{
    Char  **nv = xcalloc((size_t) (blklen(v) + 1), sizeof(Char **));

    return (blkcpy(nv, v));
}

Char   *
strip(Char *cp)
{
    Char *dp = cp;

    if (!cp)
	return (cp);
    while ((*dp++ &= TRIM) != '\0')
	continue;
    return (cp);
}

Char   *
quote(Char *cp)
{
    Char *dp = cp;

    if (!cp)
	return (cp);
    while (*dp != '\0')
	*dp++ |= QUOTE;
    return (cp);
}

void
udvar(Char *name)
{

    setname(vis_str(name));
    stderror(ERR_NAME | ERR_UNDVAR);
}

int
prefix(Char *sub, Char *str)
{

    for (;;) {
	if (*sub == 0)
	    return (1);
	if (*str == 0)
	    return (0);
	if (*sub++ != *str++)
	    return (0);
    }
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: misc.c,v 1.18 2015/12/26 13:48:38 mestre Exp $ */
2			/* $NetBSD: misc.c,v 1.6 1995/03/21 09:03:09 cgd Exp $ */
3
4			/*-
5			* Copyright (c) 1980, 1991, 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			#include <sys/types.h>
34			#include <stdlib.h>
35			#include <unistd.h>
36			#include <stdarg.h>
37
38			#include "csh.h"
39			#include "extern.h"
40
41			static int renum(int, int);
42
43			int
44			any(char *s, int c)
45			{
46			if (!s)
47			return (0); /* Check for nil pointer */
48			while (*s)
49			if (*s++ == c)
50			return (1);
51			return (0);
52			}
53
54			char *
55			strsave(char *s)
56			{
57			char *n;
58			char *p;
59
60			if (s == NULL)
61			s = "";
62			for (p = s; *p++;)
63			continue;
64			n = p = xreallocarray(NULL, (p - s), sizeof(char));
65			while ((p++ = s++) != '\0')
66			continue;
67			return (n);
68			}
69
70			Char **
71			blkend(Char **up)
72			{
73
74			while (*up)
75			up++;
76			return (up);
77			}
78
79
80			void
81			blkpr(FILE fp, Char *av)
82			{
83
84			for (; *av; av++) {
85			(void) fprintf(fp, "%s", vis_str(*av));
86			if (av[1])
87			(void) fprintf(fp, " ");
88			}
89			}
90
91			int
92			blklen(Char **av)
93			{
94			int i = 0;
95
96			while (*av++)
97			i++;
98			return (i);
99			}
100
101			Char **
102			blkcpy(Char oav, Char bv)
103			{
104			Char **av = oav;
105
106			while ((av++ = bv++) != NULL)
107			continue;
108			return (oav);
109			}
110
111			Char **
112			blkcat(Char up, Char vp)
113			{
114
115			(void) blkcpy(blkend(up), vp);
116			return (up);
117			}
118
119			void
120			blkfree(Char **av0)
121			{
122			Char **av = av0;
123
124			if (!av0)
125			return;
126			for (; *av; av++)
127			free(* av);
128			free(av0);
129			}
130
131			Char **
132			saveblk(Char **v)
133			{
134			Char newv = xcalloc((size_t) (blklen(v) + 1), sizeof(Char ));
135			Char **onewv = newv;
136
137			while (*v)
138			newv++ = Strsave(v++);
139			return (onewv);
140			}
141
142			Char **
143			blkspl(Char up, Char vp)
144			{
145			Char **wp = xcalloc((size_t) (blklen(up) + blklen(vp) + 1),
146			sizeof(Char **));
147
148			(void) blkcpy(wp, up);
149			return (blkcat(wp, vp));
150			}
151
152			Char
153			lastchr(Char *cp)
154			{
155
156			if (!cp)
157			return (0);
158			if (!*cp)
159			return (0);
160			while (cp[1])
161			cp++;
162			return (*cp);
163			}
164
165			/*
166			* This routine is called after an error to close up
167			* any units which may have been left open accidentally.
168			*/
169			void
170			closem(void)
171			{
172			int f;
173
174			for (f = 0; f < sysconf(_SC_OPEN_MAX); f++)
175			if (f != SHIN && f != SHOUT && f != SHERR && f != OLDSTD &&
176			f != FSHTTY)
177			(void) close(f);
178			}
179
180			void
181			donefds(void)
182			{
183			(void) close(0);
184			(void) close(1);
185			(void) close(2);
186
187			didfds = 0;
188			}
189
190			/*
191			* Move descriptor i to j.
192			* If j is -1 then we just want to get i to a safe place,
193			* i.e. to a unit > 2. This also happens in dcopy.
194			*/
195			int
196			dmove(int i, int j)
197			{
198
199			if (i == j \|\| i < 0)
200			return (i);
201			if (j >= 0) {
202			(void) dup2(i, j);
203			if (j != i)
204			(void) close(i);
205			return (j);
206			}
207			j = dcopy(i, j);
208			if (j != i)
209			(void) close(i);
210			return (j);
211			}
212
213			int
214			dcopy(int i, int j)
215			{
216
217			if (i == j \|\| i < 0 \|\| (j < 0 && i > 2))
218			return (i);
219			if (j >= 0) {
220			(void) dup2(i, j);
221			return (j);
222			}
223			(void) close(j);
224			return (renum(i, j));
225			}
226
227			static int
228			renum(int i, int j)
229			{
230			int k = dup(i);
231
232			if (k < 0)
233			return (-1);
234			if (j == -1 && k > 2)
235			return (k);
236			if (k != j) {
237			j = renum(k, j);
238			(void) close(k);
239			return (j);
240			}
241			return (k);
242			}
243
244			/*
245			* Left shift a command argument list, discarding
246			* the first c arguments. Used in "shift" commands
247			* as well as by commands like "repeat".
248			*/
249			void
250			lshift(Char **v, int c)
251			{
252			Char **u;
253
254			for (u = v; *u && --c >= 0; u++)
255			free(*u);
256			(void) blkcpy(v, u);
257			}
258
259			int
260			number(Char *cp)
261			{
262			if (!cp)
263			return(0);
264			if (*cp == '-') {
265			cp++;
266			if (!Isdigit(*cp))
267			return (0);
268			cp++;
269			}
270			while (cp && Isdigit(cp))
271			cp++;
272			return (*cp == 0);
273			}
274
275			Char **
276			copyblk(Char **v)
277			{
278			Char nv = xcalloc((size_t) (blklen(v) + 1), sizeof(Char ));
279
280			return (blkcpy(nv, v));
281			}
282
283			Char *
284			strip(Char *cp)
285			{
286			Char *dp = cp;
287
288			if (!cp)
289			return (cp);
290			while ((*dp++ &= TRIM) != '\0')
291			continue;
292			return (cp);
293			}
294
295			Char *
296			quote(Char *cp)
297			{
298			Char *dp = cp;
299
300			if (!cp)
301			return (cp);
302			while (*dp != '\0')
303			*dp++ \|= QUOTE;
304			return (cp);
305			}
306
307			void
308			udvar(Char *name)
309			{
310
311			setname(vis_str(name));
312			stderror(ERR_NAME \| ERR_UNDVAR);
313			}
314
315			int
316			prefix(Char sub, Char str)
317			{
318
319			for (;;) {
320			if (*sub == 0)
321			return (1);
322			if (*str == 0)
323			return (0);
324			if (sub++ != str++)
325			return (0);
326			}
327			}