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
|
#include <stdio.h>
#include <string.h>
#include <libgen.h>
#define BUF_SIZE 72
void
usage(char *cmd)
{
printf("%s\n", cmd);
char *base = basename(cmd);
fprintf(stderr, "Usage: %s infile [outfile]\n", base);
}
int
main(int argc, char *argv[])
{
FILE *infile, *outfile;
char in_buffer[BUF_SIZE];
char out_buffer[2*BUF_SIZE];
if (argc < 2 || argc > 3)
{
usage(argv[0]);
return 1;
}
infile = fopen(argv[1], "r");
if (argc < 3)
{
outfile = stdout;
}
else
{
outfile = fopen(argv[2], "w");
}
while (fgets(in_buffer, BUF_SIZE, infile) != NULL)
{
int ii, jj;
int len;
int eol = 0;
// Step on any CR LF at end of line
len = strlen(in_buffer);
if (len > 1 && in_buffer[len-1] == '\n' && in_buffer[len-2] == '\r')
{
in_buffer[len-1] = 0;
in_buffer[len-2] = 0;
eol = 1;
}
else if (len > 0 && in_buffer[len-1] == '\n')
{
in_buffer[len-1] = 0;
eol = 1;
}
for (jj = 0, ii = 0; ii < len; ii++)
{
if (in_buffer[ii] == '"')
{
out_buffer[jj++] = '\\';
out_buffer[jj++] = in_buffer[ii];
}
else if (in_buffer[ii] == '\r')
{ // Skip it
}
else
{
out_buffer[jj++] = in_buffer[ii];
}
}
out_buffer[jj] = 0;
if (eol)
fprintf(outfile, "\"%s\\n\"\n", out_buffer);
else
fprintf(outfile, "\"%s\"\n", out_buffer);
}
fclose(infile);
fclose(outfile);
return 0;
}
|
