1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/* $OpenBSD: merge.c,v 1.5 2007/02/27 07:59:13 xsa Exp $ */
/*
* Copyright (c) 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 <unistd.h>
#include "rcsprog.h"
#include "diff.h"
int
merge_main(int argc, char **argv)
{
int ch, flags, labels, status;
const char *label[3];
BUF *bp;
flags = labels = 0;
status = D_ERROR;
/*
* Using getopt(3) and not rcs_getopt() because merge(1)
* allows spaces between options and their arguments.
* Thus staying compatible with former implementation.
*/
while ((ch = getopt(argc, argv, "AEeL:pqV")) != -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 'L':
if (3 <= labels)
errx(D_ERROR, "too many -L options");
label[labels++] = optarg;
break;
case 'p':
flags |= PIPEOUT;
break;
case 'q':
flags |= QUIET;
break;
case 'V':
printf("%s\n", rcs_version);
exit(0);
default:
(usage)();
exit(D_ERROR);
}
}
argc -= optind;
argv += optind;
if (argc != 3) {
warnx("%s arguments", (argc < 3) ? "not enough" : "too many");
(usage)();
exit(D_ERROR);
}
for (; labels < 3; labels++)
label[labels] = argv[labels];
/* XXX handle labels */
if ((bp = merge_diff3(argv, flags)) == NULL)
errx(D_ERROR, "failed to merge");
if (diff3_conflicts != 0)
status = D_OVERLAPS;
else
status = 0;
if (flags & PIPEOUT)
rcs_buf_write_fd(bp, STDOUT_FILENO);
else {
/* XXX */
if (rcs_buf_write(bp, argv[0], 0644) < 0)
warnx("rcs_buf_write failed");
}
rcs_buf_free(bp);
return (status);
}
void
merge_usage(void)
{
(void)fprintf(stderr,
"usage: merge [-AeEpqV] [-L lab [-L lab [-L lab]]] "
"file1 file2 file3\n");
}
|
