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2010-09-10 Robert Millan <rmh@gnu.org>

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Solaris support in grub_find_zpool_from_dir().  Thanks
	Seth Goldberg for referring to getextmntent() facility.
	
	* configure.ac: Check for getextmntent(), `sys/mnttab.h' and
	`sys/mkdev.h'.
	* grub-core/kern/emu/misc.c [HAVE_SYS_MNTTAB_H]: Include
	`<sys/mnttab.h>'.
	[HAVE_SYS_MKDEV_H]: Include `<sys/mkdev.h>'.
	[HAVE_GETEXTMNTENT] (grub_find_zpool_from_dir): Add getextmntent()
	method for finding zpool name.
This commit is contained in:
Robert Millan 2010-09-10 14:32:28 +02:00
parent 905f7773e5
commit c38fe9f48e
3 changed files with 52 additions and 4 deletions
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39
grub-core/kern/emu/misc.c
View file

@ -61,6 +61,15 @@
# include <sys/mount.h>
#endif
#ifdef HAVE_SYS_MNTTAB_H
# include <stdio.h> /* Needed by sys/mnttab.h. */
# include <sys/mnttab.h>
#endif
#ifdef HAVE_SYS_MKDEV_H
# include <sys/mkdev.h> /* makedev */
#endif
int verbosity;
void
@ -299,10 +308,36 @@ grub_find_zpool_from_dir (const char *dir, char **poolname, char **poolfs)
*poolname = xstrdup (mnt.f_mntfromname);
}
#else
return;
#elif defined(HAVE_GETEXTMNTENT)
/* Solaris. */
{
struct stat st;
struct extmnttab mnt;
if (stat (dir, &st) != 0)
return;
FILE *mnttab = fopen ("/etc/mnttab", "r");
if (! mnttab)
return;
while (getextmntent (mnttab, &mnt, sizeof (mnt)) == 0)
{
if (makedev (mnt.mnt_major, mnt.mnt_minor) == st.st_dev
&& !strcmp (mnt.mnt_fstype, "zfs"))
{
*poolname = xstrdup (mnt.mnt_special);
break;
}
}
fclose (mnttab);
}
#endif
if (! *poolname)
return;
slash = strchr (*poolname, '/');
if (slash)
{