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#include <stdio.h>
#include <string.h>
#ifdef CONFIG_GETMNTENT
#include <mntent.h>
#include "mountcheck.h"
#define MTAB "/etc/mtab"
int device_is_mounted(const char *dev)
{
FILE *mtab;
struct mntent *mnt;
int ret = 0;
mtab = setmntent(MTAB, "r");
if (!mtab)
return 0;
while ((mnt = getmntent(mtab)) != NULL) {
if (!mnt->mnt_fsname)
continue;
if (!strcmp(mnt->mnt_fsname, dev)) {
ret = 1;
break;
}
}
endmntent(mtab);
return ret;
}
#elif defined(CONFIG_GETMNTINFO)
/* for most BSDs */
#include <sys/param.h>
#include <sys/mount.h>
int device_is_mounted(const char *dev)
{
struct statfs *st;
int i, ret;
ret = getmntinfo(&st, MNT_NOWAIT);
if (ret <= 0)
return 0;
for (i = 0; i < ret; i++) {
if (!strcmp(st[i].f_mntfromname, dev))
return 1;
}
return 0;
}
#elif defined(CONFIG_GETMNTINFO_STATVFS)
/* for NetBSD */
#include <sys/statvfs.h>
int device_is_mounted(const char *dev)
{
struct statvfs *st;
int i, ret;
ret = getmntinfo(&st, MNT_NOWAIT);
if (ret <= 0)
return 0;
for (i = 0; i < ret; i++) {
if (!strcmp(st[i].f_mntfromname, dev))
return 1;
}
return 0;
}
#else
/* others */
int device_is_mounted(const char *dev)
{
return 0;
}
#endif
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