-
Notifications
You must be signed in to change notification settings - Fork 4
/
read_db.c
77 lines (67 loc) · 1.53 KB
/
read_db.c
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
#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include "suck.h"
/* this file reads in the suck.db file and writes it out in a more readable format */
int main(int argc, char *argv[]) {
int fdin;
const char *fin = NULL, *fout = NULL;
FILE *fpout;
List item;
Groups grp;
long count;
int retval = 0;
if(argc == 1) {
fin = "suck.db";
fout = "suck.db.out";
}
else if(argc != 3) {
fprintf(stderr, "Usage: %s in_file out_file <RETURN>\n", argv[0]);
retval = -1;
}
else {
fin = argv[1];
fout = argv[2];
}
if(retval == 0) {
if((fdin = open(fin, O_RDONLY)) == -1) {
perror(fin);
retval = -1;
}
else if((fpout = fopen(fout, "w")) == NULL) {
perror(fout);
retval = -1;
}
else {
/* read items */
read(fdin, &count, sizeof(long)); /* get item count */
fprintf(fpout, "%ld\n", count);
while(count > 0 && read(fdin, &item, sizeof(item)) == sizeof(item)) {
fprintf(fpout, "%s-%d-%ld-%ld-%c-%d-%d-%d\n", item.msgnr, item.groupnr,
item.nr,item.dbnr,item.mandatory,item.downloaded,
item.delete,item.sentcmd);
count--;
}
if(count > 0) {
perror(fin);
retval = -1;
}
else {
read(fdin, &count, sizeof(long)); /* get group count */
fprintf(fpout, "%ld\n", count);
while(count >= 0 && read(fdin, &grp, sizeof(grp)) == sizeof(grp)) {
fprintf(fpout, "%s-%d\n", grp.group, grp.nr);
count--;
}
if(count >= 0) {
perror(fin);
retval = -1;
}
}
}
}
return retval;
}