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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/* This file is part of GNU Dico
Copyright (C) 2012-2024 Sergey Poznyakoff
GNU Dico is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Dico is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Dico. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <dico.h>
#define CRLF_IN 1
#define CRLF_OUT 2
int
main(int argc, char **argv)
{
int rc;
char *filename = NULL;
size_t sz;
dico_stream_t in, out, s;
char buf[512];
int flags = 0;
size_t in_bufsize = 1024, out_bufsize = 1024;
int buffered;
dico_set_program_name(argv[0]);
while (--argc) {
char *arg = *++argv;
if (strncmp(arg, "-file=", 6) == 0)
filename = arg + 6;
else if (strcmp(arg, "-in") == 0)
flags |= CRLF_IN;
else if (strcmp(arg, "-out") == 0)
flags |= CRLF_OUT;
else if (strncmp(arg, "-bufsize=", 9) == 0) {
in_bufsize = out_bufsize = atoi(arg + 9);
buffered = CRLF_IN | CRLF_OUT;
} else if (strncmp(arg, "-outbufsize=", 12) == 0) {
out_bufsize = atoi(arg + 12);
buffered |= CRLF_OUT;
} else if (strncmp(arg, "-inbufsize=", 11) == 0)
in_bufsize |= atoi(arg + 11);
else if (strcmp(arg, "--") == 0) {
--argc;
++argv;
} else if (arg[0] == '-') {
dico_log(L_ERR, 0, "unknown option '%s'", arg);
return 1;
} else
break;
}
if (argc) {
fprintf(stderr, "Usage: %s [-file=S]\n", dico_program_name);
return 1;
}
if (filename) {
in = dico_mapfile_stream_create(filename, DICO_STREAM_READ);
if (!in) {
dico_log(L_ERR, errno, "cannot create stream `%s'", filename);
return 1;
}
} else {
in = dico_fd_stream_create(0, DICO_STREAM_READ, 1);
if (!in) {
dico_log(L_ERR, errno, "cannot create stdin stream");
return 1;
}
}
rc = dico_stream_open(in);
if (rc) {
dico_log(L_ERR, 0,
"cannot open stream `%s': %s",
filename ? filename : "<stdin>",
dico_stream_strerror(in, rc));
return 2;
}
if (flags & CRLF_IN) {
s = dico_crlf_stream(in, DICO_STREAM_READ, 0);
if (!s) {
dico_log(L_ERR, errno, "cannot create filter stream");
return 2;
}
if (filename || (buffered & CRLF_IN))
dico_stream_set_buffer(s, dico_buffer_full, in_bufsize);
in = s;
}
out = dico_fd_stream_create(1, DICO_STREAM_WRITE, 1);
if (!out) {
dico_log(L_ERR, errno, "cannot create stdout stream");
return 2;
}
rc = dico_stream_open(out);
if (rc) {
dico_log(L_ERR, 0,
"cannot open stream `%s': %s",
"<stdout>",
dico_stream_strerror(out, rc));
return 2;
}
if (flags & CRLF_OUT) {
s = dico_crlf_stream(out, DICO_STREAM_WRITE, 0);
if (!s) {
dico_log(L_ERR, errno, "cannot create filter stream");
return 2;
}
if (filename || (buffered & CRLF_OUT))
dico_stream_set_buffer(s, dico_buffer_full, out_bufsize);
out = s;
}
while ((rc = dico_stream_read(in, buf, sizeof(buf), &sz)) == 0 && sz) {
rc = dico_stream_write(out, buf, sz);
if (rc) {
dico_log(L_ERR, 0, "write error: %s",
dico_stream_strerror(out, rc));
return 2;
}
}
dico_stream_close(out);
return 0;
}
|
