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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/rcs/rcsmerge.c	Lines:	0	79	0.0 %
Date:	2016-12-06	Branches:	0	63	0.0 %


/*	$OpenBSD: rcsmerge.c,v 1.56 2015/11/02 16:45:21 nicm Exp $	*/
/*
 * Copyright (c) 2005, 2006 Xavier Santolaria <xsa@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 <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

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

int
rcsmerge_main(int argc, char **argv)
{
	int fd, ch, flags, kflag, status;
	char fpath[PATH_MAX], r1[RCS_REV_BUFSZ], r2[RCS_REV_BUFSZ];
	char *rev_str1, *rev_str2;
	RCSFILE *file;
	RCSNUM *rev1, *rev2;
	BUF *bp;

	flags = 0;
	status = D_ERROR;
	rev1 = rev2 = NULL;
	rev_str1 = rev_str2 = NULL;

	while ((ch = rcs_getopt(argc, argv, "AEek:p::q::r::TVx::z:")) != -1) {
		switch (ch) {
		case 'A':
			/*
			 * kept for compatibility
			 */
			break;
		case 'E':
			flags |= MERGE_EFLAG;
			flags |= MERGE_OFLAG;
			break;
		case 'e':
			flags |= MERGE_EFLAG;
			break;
		case 'k':
			kflag = rcs_kflag_get(rcs_optarg);
			if (RCS_KWEXP_INVAL(kflag)) {
				warnx("invalid RCS keyword substitution mode");
				(usage)();
			}
			break;
		case 'p':
			rcs_setrevstr2(&rev_str1, &rev_str2, rcs_optarg);
			flags |= PIPEOUT;
			break;
		case 'q':
			rcs_setrevstr2(&rev_str1, &rev_str2, rcs_optarg);
			flags |= QUIET;
			break;
		case 'r':
			rcs_setrevstr2(&rev_str1, &rev_str2,
			    rcs_optarg ? rcs_optarg : "");
			break;
		case 'T':
			/*
			 * kept for compatibility
			 */
			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;
		case 'z':
			timezone_flag = rcs_optarg;
			break;
		default:
			(usage)();
		}
	}

	argc -= rcs_optind;
	argv += rcs_optind;

	if (rev_str1 == NULL) {
		warnx("no base revision number given");
		(usage)();
	}

	if (argc < 1) {
		warnx("no input file");
		(usage)();
	}

	if (argc > 2 || (argc == 2 && argv[1] != NULL))
		warnx("warning: excess arguments ignored");

	if ((fd = rcs_choosefile(argv[0], fpath, sizeof(fpath))) < 0)
		err(status, "%s", fpath);

	if (!(flags & QUIET))
		(void)fprintf(stderr, "RCS file: %s\n", fpath);

	if ((file = rcs_open(fpath, fd, RCS_READ)) == NULL)
		return (status);

	if (strcmp(rev_str1, "") == 0) {
		rev1 = rcsnum_alloc();
		rcsnum_cpy(file->rf_head, rev1, 0);
	} else if ((rev1 = rcs_getrevnum(rev_str1, file)) == NULL)
		errx(D_ERROR, "invalid revision: %s", rev_str1);

	if (rev_str2 != NULL && strcmp(rev_str2, "") != 0) {
		if ((rev2 = rcs_getrevnum(rev_str2, file)) == NULL)
			errx(D_ERROR, "invalid revision: %s", rev_str2);
	} else {
		rev2 = rcsnum_alloc();
		rcsnum_cpy(file->rf_head, rev2, 0);
	}

	if (rcsnum_cmp(rev1, rev2, 0) == 0)
		goto out;

	if ((bp = rcs_diff3(file, argv[0], rev1, rev2, flags)) == NULL)
		errx(D_ERROR, "failed to merge");

	if (!(flags & QUIET)) {
		(void)rcsnum_tostr(rev1, r1, sizeof(r1));
		(void)rcsnum_tostr(rev2, r2, sizeof(r2));

		(void)fprintf(stderr, "Merging differences between %s and "
		    "%s into %s%s\n", r1, r2, argv[0],
		    (flags & PIPEOUT) ? "; result to stdout":"");
	}

	if (diff3_conflicts != 0)
		status = D_OVERLAPS;
	else
		status = 0;

	if (flags & PIPEOUT)
		buf_write_fd(bp, STDOUT_FILENO);
	else {
		/* XXX mode */
		if (buf_write(bp, argv[0], 0644) < 0)
			warnx("buf_write failed");

	}

	buf_free(bp);

out:
	rcs_close(file);
	rcsnum_free(rev1);
	rcsnum_free(rev2);
	return (status);
}

__dead void
rcsmerge_usage(void)
{
	fprintf(stderr,
	    "usage: rcsmerge [-EV] [-kmode] [-p[rev]] [-q[rev]]\n"
	    "                [-xsuffixes] [-ztz] -rrev file ...\n");

	exit(D_ERROR);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: rcsmerge.c,v 1.56 2015/11/02 16:45:21 nicm Exp $ */
2			/*
3			* Copyright (c) 2005, 2006 Xavier Santolaria <xsa@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 <err.h>
28			#include <stdio.h>
29			#include <stdlib.h>
30			#include <string.h>
31			#include <unistd.h>
32
33			#include "rcsprog.h"
34			#include "diff.h"
35
36			int
37			rcsmerge_main(int argc, char **argv)
38			{
39			int fd, ch, flags, kflag, status;
40			char fpath[PATH_MAX], r1[RCS_REV_BUFSZ], r2[RCS_REV_BUFSZ];
41			char rev_str1, rev_str2;
42			RCSFILE *file;
43			RCSNUM rev1, rev2;
44			BUF *bp;
45
46			flags = 0;
47			status = D_ERROR;
48			rev1 = rev2 = NULL;
49			rev_str1 = rev_str2 = NULL;
50
51			while ((ch = rcs_getopt(argc, argv, "AEek:p::q::r::TVx::z:")) != -1) {
52			switch (ch) {
53			case 'A':
54			/*
55			* kept for compatibility
56			*/
57			break;
58			case 'E':
59			flags \|= MERGE_EFLAG;
60			flags \|= MERGE_OFLAG;
61			break;
62			case 'e':
63			flags \|= MERGE_EFLAG;
64			break;
65			case 'k':
66			kflag = rcs_kflag_get(rcs_optarg);
67			if (RCS_KWEXP_INVAL(kflag)) {
68			warnx("invalid RCS keyword substitution mode");
69			(usage)();
70			}
71			break;
72			case 'p':
73			rcs_setrevstr2(&rev_str1, &rev_str2, rcs_optarg);
74			flags \|= PIPEOUT;
75			break;
76			case 'q':
77			rcs_setrevstr2(&rev_str1, &rev_str2, rcs_optarg);
78			flags \|= QUIET;
79			break;
80			case 'r':
81			rcs_setrevstr2(&rev_str1, &rev_str2,
82			rcs_optarg ? rcs_optarg : "");
83			break;
84			case 'T':
85			/*
86			* kept for compatibility
87			*/
88			break;
89			case 'V':
90			printf("%s\n", rcs_version);
91			exit(0);
92			case 'x':
93			/* Use blank extension if none given. */
94			rcs_suffixes = rcs_optarg ? rcs_optarg : "";
95			break;
96			case 'z':
97			timezone_flag = rcs_optarg;
98			break;
99			default:
100			(usage)();
101			}
102			}
103
104			argc -= rcs_optind;
105			argv += rcs_optind;
106
107			if (rev_str1 == NULL) {
108			warnx("no base revision number given");
109			(usage)();
110			}
111
112			if (argc < 1) {
113			warnx("no input file");
114			(usage)();
115			}
116
117			if (argc > 2 \|\| (argc == 2 && argv[1] != NULL))
118			warnx("warning: excess arguments ignored");
119
120			if ((fd = rcs_choosefile(argv[0], fpath, sizeof(fpath))) < 0)
121			err(status, "%s", fpath);
122
123			if (!(flags & QUIET))
124			(void)fprintf(stderr, "RCS file: %s\n", fpath);
125
126			if ((file = rcs_open(fpath, fd, RCS_READ)) == NULL)
127			return (status);
128
129			if (strcmp(rev_str1, "") == 0) {
130			rev1 = rcsnum_alloc();
131			rcsnum_cpy(file->rf_head, rev1, 0);
132			} else if ((rev1 = rcs_getrevnum(rev_str1, file)) == NULL)
133			errx(D_ERROR, "invalid revision: %s", rev_str1);
134
135			if (rev_str2 != NULL && strcmp(rev_str2, "") != 0) {
136			if ((rev2 = rcs_getrevnum(rev_str2, file)) == NULL)
137			errx(D_ERROR, "invalid revision: %s", rev_str2);
138			} else {
139			rev2 = rcsnum_alloc();
140			rcsnum_cpy(file->rf_head, rev2, 0);
141			}
142
143			if (rcsnum_cmp(rev1, rev2, 0) == 0)
144			goto out;
145
146			if ((bp = rcs_diff3(file, argv[0], rev1, rev2, flags)) == NULL)
147			errx(D_ERROR, "failed to merge");
148
149			if (!(flags & QUIET)) {
150			(void)rcsnum_tostr(rev1, r1, sizeof(r1));
151			(void)rcsnum_tostr(rev2, r2, sizeof(r2));
152
153			(void)fprintf(stderr, "Merging differences between %s and "
154			"%s into %s%s\n", r1, r2, argv[0],
155			(flags & PIPEOUT) ? "; result to stdout":"");
156			}
157
158			if (diff3_conflicts != 0)
159			status = D_OVERLAPS;
160			else
161			status = 0;
162
163			if (flags & PIPEOUT)
164			buf_write_fd(bp, STDOUT_FILENO);
165			else {
166			/* XXX mode */
167			if (buf_write(bp, argv[0], 0644) < 0)
168			warnx("buf_write failed");
169
170			}
171
172			buf_free(bp);
173
174			out:
175			rcs_close(file);
176			rcsnum_free(rev1);
177			rcsnum_free(rev2);
178			return (status);
179			}
180
181			__dead void
182			rcsmerge_usage(void)
183			{
184			fprintf(stderr,
185			"usage: rcsmerge [-EV] [-kmode] [-p[rev]] [-q[rev]]\n"
186			" [-xsuffixes] [-ztz] -rrev file ...\n");
187
188			exit(D_ERROR);
189			}