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
|
/*
* Copyright (c) 2001-2009 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/*
* This is a simple program to make a dosified copy of the
* original. That is, it converts unix style line ends to DOS
* style. This is useful for installing text files.
*
* The exact substitution is to replace \n with \r\n. If the line
* already ends with \r\n then it is not changed to \r\r\n.
*/
# include <stdio.h>
int main(int argc, char*argv[])
{
FILE*ifile;
FILE*ofile;
int ch, pr;
if (argc != 3) {
fprintf(stderr, "Usage: %s <input> <output>\n", argv[0]);
return 1;
}
ifile = fopen(argv[1], "rb");
if (ifile == 0) {
fprintf(stderr, "Unable to open %s for input.\n", argv[1]);
return 2;
}
ofile = fopen(argv[2], "wb");
if (ofile == 0) {
fprintf(stderr, "Unable to open %s for output.\n", argv[2]);
fclose(ifile);
return 2;
}
pr = 0;
while ((ch = fgetc(ifile)) != EOF) {
if ((ch == '\n') && (pr != '\r'))
fputc('\r', ofile);
fputc(ch, ofile);
pr = ch;
}
fclose(ifile);
fclose(ofile);
return 0;
}
|
