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
|
#include "config.h"
#include "conf.h"
#include "lock.h"
#include "tapeio.h"
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
RCSID("$Id: label.c,v 1.1.1.1 1999/02/02 23:29:39 shmit Exp $");
char *progname;
void
usage()
{
fprintf(stderr, "Usage: %s label\n", progname);
}
int
main(int argc, char *argv[])
{
const config_t *option;
tapelabel_t label;
int fd;
if (read_config(SERVER_CONFIG_FILE) == -1) {
perror("Error: couldn't read config file");
return 1;
}
option = findopt(LABELSTR);
if (!option) {
fprintf(stderr, "Error: " LABELSTR " option isn't set.\n");
return 1;
}
if (memcmp(argv[1], option->strvalue, strlen(option->strvalue)))
fprintf(stderr,
"Warning: desired label doesn't match "
"labelstring option.\n");
option = findopt(TAPEDEV);
if (!option) {
fprintf(stderr, "Error: " TAPEDEV " option isn't set.\n");
return 1;
}
fd = open(option->strvalue, O_WRONLY);
if (fd == -1) {
perror("Error: couldn't open tape device");
return 1;
}
printf("Rewinding device...");
fflush(stdout);
if (mt_rewind(fd) == -1) {
perror("Error: couldn't rewind tape device");
close(fd);
return 1;
}
printf("writing label `%s'...", argv[1]);
fflush(stdout);
strncpy(label.labelstr, argv[1], sizeof(label.labelstr));
label.date = time(NULL);
if (writelabel(fd, &label) == -1) {
close(fd);
return 1;
}
if (mt_weof(fd, 1) == -1) {
perror("Error: couldn't write EOF marker");
close(fd);
return 1;
}
printf("rewinding device...");
fflush(stdout);
if (mt_rewind(fd) == -1) {
perror("Error: couldn't rewind tape device");
close(fd);
return 1;
}
printf("done.\n");
close(fd);
return 0;
}
|
