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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/rcs/rcsclean.c	Lines:	48	88	54.5 %
Date:	2017-11-07	Branches:	33	67	49.3 %


/*	$OpenBSD: rcsclean.c,v 1.56 2016/08/26 09:02:54 guenther Exp $	*/
/*
 * Copyright (c) 2005 Joris Vink <joris@openbsd.org>
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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 <dirent.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>

#include "rcsprog.h"
#include "diff.h"

static void	rcsclean_file(char *, const char *);

static int nflag = 0;
static int kflag = RCS_KWEXP_ERR;
static int uflag = 0;
static int flags = 0;
static char *locker = NULL;

int
rcsclean_main(int argc, char **argv)
{
	int i, ch;
	char *rev_str;
	DIR *dirp;
	struct dirent *dp;

	rev_str = NULL;

	while ((ch = rcs_getopt(argc, argv, "k:n::q::r::Tu::Vx::")) != -1) {
		switch (ch) {
		case 'k':
			kflag = rcs_kflag_get(rcs_optarg);
			if (RCS_KWEXP_INVAL(kflag)) {
				warnx("invalid RCS keyword substitution mode");
				(usage)();
			}
			break;
		case 'n':
			rcs_setrevstr(&rev_str, rcs_optarg);
			nflag = 1;
			break;
		case 'q':
			rcs_setrevstr(&rev_str, rcs_optarg);
			flags |= QUIET;
			break;
		case 'r':
			rcs_setrevstr(&rev_str, rcs_optarg);
			break;
		case 'T':
			flags |= PRESERVETIME;
			break;
		case 'u':
			rcs_setrevstr(&rev_str, rcs_optarg);
			uflag = 1;
			break;
		case 'V':
			printf("%s\n", rcs_version);
			exit(0);
		case 'x':
			/* Use blank extension if none given. */
			rcs_suffixes = rcs_optarg ? rcs_optarg : "";
			break;
		default:
			(usage)();
		}
	}

	argc -= rcs_optind;
	argv += rcs_optind;

	if ((locker = getlogin()) == NULL)
		err(1, "getlogin");

	if (argc == 0) {
		if ((dirp = opendir(".")) == NULL) {
			warn("opendir");
			(usage)();
		}

		while ((dp = readdir(dirp)) != NULL) {
			if (dp->d_type == DT_DIR)
				continue;
			rcsclean_file(dp->d_name, rev_str);
		}

		(void)closedir(dirp);
	} else
		for (i = 0; i < argc; i++)
			rcsclean_file(argv[i], rev_str);

	return (0);
}

__dead void
rcsclean_usage(void)
{
	fprintf(stderr,
	    "usage: rcsclean [-TV] [-kmode] [-n[rev]] [-q[rev]] [-r[rev]]\n"
	    "                [-u[rev]] [-xsuffixes] [-ztz] [file ...]\n");

	exit(1);
}

static void
rcsclean_file(char *fname, const char *rev_str)
{
	int fd, match;
	RCSFILE *file;
	char fpath[PATH_MAX], numb[RCS_REV_BUFSZ];
	RCSNUM *rev;
	BUF *b1, *b2;
	time_t rcs_mtime = -1;

	b1 = b2 = NULL;
	file = NULL;
	rev = NULL;

	if ((fd = rcs_choosefile(fname, fpath, sizeof(fpath))) < 0)
		goto out;

	if ((file = rcs_open(fpath, fd, RCS_RDWR)) == NULL)
		goto out;

	if (flags & PRESERVETIME)
		rcs_mtime = rcs_get_mtime(file);

	rcs_kwexp_set(file, kflag);

	if (rev_str == NULL)
		rev = file->rf_head;
	else if ((rev = rcs_getrevnum(rev_str, file)) == NULL) {
		warnx("%s: Symbolic name `%s' is undefined.", fpath, rev_str);
		goto out;
	}

	if ((b1 = rcs_getrev(file, rev)) == NULL) {
		warnx("failed to get needed revision");
		goto out;
	}
	if ((b2 = buf_load(fname)) == NULL) {
		warnx("failed to load `%s'", fname);
		goto out;
	}

	/* If buffer lengths are the same, compare contents as well. */
	if (buf_len(b1) != buf_len(b2))
		match = 0;
	else {
		size_t len, n;

		len = buf_len(b1);

		match = 1;
		for (n = 0; n < len; ++n)
			if (buf_getc(b1, n) != buf_getc(b2, n)) {
				match = 0;
				break;
			}
	}

	if (match == 1) {
		if (uflag == 1 && !TAILQ_EMPTY(&(file->rf_locks))) {
			if (!(flags & QUIET) && nflag == 0) {
				printf("rcs -u%s %s\n",
				    rcsnum_tostr(rev, numb, sizeof(numb)),
				    fpath);
			}
			(void)rcs_lock_remove(file, locker, rev);
		}

		if (TAILQ_EMPTY(&(file->rf_locks))) {
			if (!(flags & QUIET))
				printf("rm -f %s\n", fname);

			if (nflag == 0)
				(void)unlink(fname);
		}
	}

	rcs_write(file);
	if (flags & PRESERVETIME)
		rcs_set_mtime(file, rcs_mtime);

out:
	buf_free(b1);
	buf_free(b2);
	if (file != NULL)
		rcs_close(file);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: rcsclean.c,v 1.56 2016/08/26 09:02:54 guenther Exp $ */
2			/*
3			* Copyright (c) 2005 Joris Vink <joris@openbsd.org>
4			* All rights reserved.
5			*
6			* Redistribution and use in source and binary forms, with or without
7			* modification, are permitted provided that the following conditions
8			* are met:
9			*
10			* 1. Redistributions of source code must retain the above copyright
11			* notice, this list of conditions and the following disclaimer.
12			* 2. The name of the author may not be used to endorse or promote products
13			* derived from this software without specific prior written permission.
14			*
15			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16			* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17			* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18			* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19			* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20			* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21			* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22			* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23			* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24			* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25			*/
26
27			#include <sys/types.h>
28
29			#include <dirent.h>
30			#include <err.h>
31			#include <stdio.h>
32			#include <stdlib.h>
33			#include <time.h>
34			#include <unistd.h>
35
36			#include "rcsprog.h"
37			#include "diff.h"
38
39			static void rcsclean_file(char , const char );
40
41			static int nflag = 0;
42			static int kflag = RCS_KWEXP_ERR;
43			static int uflag = 0;
44			static int flags = 0;
45			static char *locker = NULL;
46
47			int
48			rcsclean_main(int argc, char **argv)
49			{
50			int i, ch;
51		20	char *rev_str;
52			DIR *dirp;
53			struct dirent *dp;
54
55		10	rev_str = NULL;
56
57	✓✓	32	while ((ch = rcs_getopt(argc, argv, "k:n::q::r::Tu::Vx::")) != -1) {
58	✗✗✓✗ ✗✓✗✗ ✗	12	switch (ch) {
59			case 'k':
60			kflag = rcs_kflag_get(rcs_optarg);
61			if (RCS_KWEXP_INVAL(kflag)) {
62			warnx("invalid RCS keyword substitution mode");
63			(usage)();
64			}
65			break;
66			case 'n':
67			rcs_setrevstr(&rev_str, rcs_optarg);
68			nflag = 1;
69			break;
70			case 'q':
71		10	rcs_setrevstr(&rev_str, rcs_optarg);
72		10	flags \|= QUIET;
73		10	break;
74			case 'r':
75			rcs_setrevstr(&rev_str, rcs_optarg);
76			break;
77			case 'T':
78			flags \|= PRESERVETIME;
79			break;
80			case 'u':
81		2	rcs_setrevstr(&rev_str, rcs_optarg);
82		2	uflag = 1;
83		2	break;
84			case 'V':
85			printf("%s\n", rcs_version);
86			exit(0);
87			case 'x':
88			/* Use blank extension if none given. */
89			rcs_suffixes = rcs_optarg ? rcs_optarg : "";
90			break;
91			default:
92			(usage)();
93			}
94			}
95
96		10	argc -= rcs_optind;
97		10	argv += rcs_optind;
98
99	✗✓	10	if ((locker = getlogin()) == NULL)
100			err(1, "getlogin");
101
102	✗✓	10	if (argc == 0) {
103			if ((dirp = opendir(".")) == NULL) {
104			warn("opendir");
105			(usage)();
106			}
107
108			while ((dp = readdir(dirp)) != NULL) {
109			if (dp->d_type == DT_DIR)
110			continue;
111			rcsclean_file(dp->d_name, rev_str);
112			}
113
114			(void)closedir(dirp);
115			} else
116	✓✓	40	for (i = 0; i < argc; i++)
117		10	rcsclean_file(argv[i], rev_str);
118
119		10	return (0);
120		10	}
121
122			__dead void
123			rcsclean_usage(void)
124			{
125			fprintf(stderr,
126			"usage: rcsclean [-TV] [-kmode] [-n[rev]] [-q[rev]] [-r[rev]]\n"
127			" [-u[rev]] [-xsuffixes] [-ztz] [file ...]\n");
128
129			exit(1);
130			}
131
132			static void
133			rcsclean_file(char fname, const char rev_str)
134			{
135			int fd, match;
136			RCSFILE *file;
137		20	char fpath[PATH_MAX], numb[RCS_REV_BUFSZ];
138			RCSNUM *rev;
139			BUF b1, b2;
140			time_t rcs_mtime = -1;
141
142			b1 = b2 = NULL;
143			file = NULL;
144			rev = NULL;
145
146	✓✓	10	if ((fd = rcs_choosefile(fname, fpath, sizeof(fpath))) < 0)
147			goto out;
148
149	✓✗	7	if ((file = rcs_open(fpath, fd, RCS_RDWR)) == NULL)
150			goto out;
151
152	✗✓	7	if (flags & PRESERVETIME)
153			rcs_mtime = rcs_get_mtime(file);
154
155		7	rcs_kwexp_set(file, kflag);
156
157	✓✓	7	if (rev_str == NULL)
158		5	rev = file->rf_head;
159	✗✓	2	else if ((rev = rcs_getrevnum(rev_str, file)) == NULL) {
160			warnx("%s: Symbolic name `%s' is undefined.", fpath, rev_str);
161			goto out;
162			}
163
164	✗✓	7	if ((b1 = rcs_getrev(file, rev)) == NULL) {
165			warnx("failed to get needed revision");
166			goto out;
167			}
168	✗✓	7	if ((b2 = buf_load(fname)) == NULL) {
169			warnx("failed to load `%s'", fname);
170			goto out;
171			}
172
173			/* If buffer lengths are the same, compare contents as well. */
174	✓✓	7	if (buf_len(b1) != buf_len(b2))
175		2	match = 0;
176			else {
177			size_t len, n;
178
179		5	len = buf_len(b1);
180
181			match = 1;
182	✗✓	10	for (n = 0; n < len; ++n)
183			if (buf_getc(b1, n) != buf_getc(b2, n)) {
184			match = 0;
185			break;
186			}
187			}
188
189	✓✓	7	if (match == 1) {
190	✓✓✓✗	6	if (uflag == 1 && !TAILQ_EMPTY(&(file->rf_locks))) {
191	✗✓	1	if (!(flags & QUIET) && nflag == 0) {
192			printf("rcs -u%s %s\n",
193			rcsnum_tostr(rev, numb, sizeof(numb)),
194			fpath);
195			}
196		1	(void)rcs_lock_remove(file, locker, rev);
197		1	}
198
199	✓✓	5	if (TAILQ_EMPTY(&(file->rf_locks))) {
200	✗✓	4	if (!(flags & QUIET))
201			printf("rm -f %s\n", fname);
202
203	✓✗	4	if (nflag == 0)
204		4	(void)unlink(fname);
205			}
206			}
207
208		7	rcs_write(file);
209	✗✓	7	if (flags & PRESERVETIME)
210			rcs_set_mtime(file, rcs_mtime);
211
212			out:
213		10	buf_free(b1);
214		10	buf_free(b2);
215	✓✓	10	if (file != NULL)
216		7	rcs_close(file);
217		10	}