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Implemented the check for already mounted device on OpenIndiana

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This adds a variant for checking on OpenIndiana whether a device
is mentioned in /etc/mnttab as being mounted.
This commit is contained in:
Jean-Pierre André 2012-03-21 19:01:33 +01:00
parent 66416041ec
commit 2b779a6510
1 changed files with 59 additions and 1 deletions
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60
libntfs-3g/volume.c
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@ -54,6 +54,10 @@
#include <locale.h>
#endif
#if defined(__sun) && defined (__SVR4)
#include <sys/mnttab.h>
#endif
#include "param.h"
#include "compat.h"
#include "volume.h"
@ -1430,6 +1434,60 @@ exit:
}
return 0;
}
#else /* HAVE_MNTENT_H */
#if defined(__sun) && defined (__SVR4)
static int ntfs_mntent_check(const char *file, unsigned long *mnt_flags)
{
struct mnttab *mnt = NULL;
char *real_file = NULL, *real_fsname = NULL;
FILE *f;
int err = 0;
real_file = (char*)ntfs_malloc(PATH_MAX + 1);
if (!real_file)
return -1;
real_fsname = (char*)ntfs_malloc(PATH_MAX + 1);
mnt = (struct mnttab*)ntfs_malloc(MNT_LINE_MAX + 1);
if (!real_fsname || !mnt) {
err = errno;
goto exit;
}
if (!ntfs_realpath_canonicalize(file, real_file)) {
err = errno;
goto exit;
}
if (!(f = fopen(MNTTAB, "r"))) {
err = errno;
goto exit;
}
while (!getmntent(f, mnt)) {
if (!ntfs_realpath_canonicalize(mnt->mnt_special, real_fsname))
continue;
if (!strcmp(real_file, real_fsname)) {
*mnt_flags = NTFS_MF_MOUNTED;
if (!strcmp(mnt->mnt_mountp, "/"))
*mnt_flags |= NTFS_MF_ISROOT;
if (hasmntopt(mnt, "ro") && !hasmntopt(mnt, "rw"))
*mnt_flags |= NTFS_MF_READONLY;
break;
}
}
fclose(f);
exit:
free(mnt);
free(real_file);
free(real_fsname);
if (err) {
errno = err;
return -1;
}
return 0;
}
#endif /* defined(__sun) && defined (__SVR4) */
#endif /* HAVE_MNTENT_H */
/**
@ -1461,7 +1519,7 @@ int ntfs_check_if_mounted(const char *file __attribute__((unused)),
unsigned long *mnt_flags)
{
*mnt_flags = 0;
#ifdef HAVE_MNTENT_H
#if defined(HAVE_MNTENT_H) || (defined(__sun) && defined (__SVR4))
return ntfs_mntent_check(file, mnt_flags);
#else
return 0;