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
|
#include <stdio.h>
#include <string.h>
#include <mntent.h>
FILE *setmntent(const char *name, const char *mode)
{
return fopen(name, mode);
}
int endmntent(FILE *f)
{
fclose(f);
return 1;
}
struct mntent *getmntent(FILE *f)
{
static char linebuf[256];
static struct mntent mnt;
int cnt, n[8];
mnt.mnt_freq = 0;
mnt.mnt_passno = 0;
do {
fgets(linebuf, sizeof linebuf, f);
if (feof(f)) return NULL;
cnt = sscanf(linebuf, " %n%*s%n %n%*s%n %n%*s%n %n%*s%n %d %d",
n, n+1, n+2, n+3, n+4, n+5, n+6, n+7,
&mnt.mnt_freq, &mnt.mnt_passno);
} while (cnt >= 8 && linebuf[n[0]] != '#');
linebuf[n[1]] = 0;
linebuf[n[3]] = 0;
linebuf[n[5]] = 0;
linebuf[n[7]] = 0;
mnt.mnt_fsname = linebuf+n[0];
mnt.mnt_dir = linebuf+n[2];
mnt.mnt_type = linebuf+n[4];
mnt.mnt_opts = linebuf+n[6];
return &mnt;
}
int addmntent(FILE *f, const struct mntent *mnt)
{
fseek(f, 0, SEEK_END);
return fprintf(f, "%s\t%s\t%s\t%s\t%d\t%d\n",
mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type, mnt->mnt_opts,
mnt->mnt_freq, mnt->mnt_passno) < 0;
}
char *hasmntopt(const struct mntent *mnt, const char *opt)
{
return strstr(mnt->mnt_opts, opt);
}
|
