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
|
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <libsmbclient.h>
#include "get_auth_data_fn.h"
int main(int argc, char * argv[])
{
int fd;
int ret;
int debug = 0;
int savedErrno;
char buffer[128];
struct stat st;
if (argc != 2)
{
printf("usage: "
"%s smb://path/to/file\n",
argv[0]);
return 1;
}
smbc_init(get_auth_data_fn, debug);
if ((fd = smbc_open(argv[1], O_WRONLY | O_CREAT | O_TRUNC, 0)) < 0)
{
perror("smbc_open");
return 1;
}
strcpy(buffer, "Hello world.\nThis is a test.\n");
ret = smbc_write(fd, buffer, strlen(buffer));
savedErrno = errno;
smbc_close(fd);
if (ret < 0)
{
errno = savedErrno;
perror("write");
}
if (smbc_stat(argv[1], &st) < 0)
{
perror("smbc_stat");
return 1;
}
printf("Original size: %lu\n", (unsigned long) st.st_size);
if ((fd = smbc_open(argv[1], O_WRONLY, 0)) < 0)
{
perror("smbc_open");
return 1;
}
ret = smbc_ftruncate(fd, 13);
savedErrno = errno;
smbc_close(fd);
if (ret < 0)
{
errno = savedErrno;
perror("smbc_ftruncate");
return 1;
}
if (smbc_stat(argv[1], &st) < 0)
{
perror("smbc_stat");
return 1;
}
printf("New size: %lu\n", (unsigned long) st.st_size);
return 0;
}
|
