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authorJim Meyering <jim@meyering.net>1998-07-29 03:58:02 +0000
committerJim Meyering <jim@meyering.net>1998-07-29 03:58:02 +0000
commitea12546cdee0548bded92ecffcf257aa5b6a125f (patch)
tree2eb42dd348a12f250105cbcdace645f70f6e84c3 /lib
parentc83583e7f3a0a70565814aaba67c7a29eb5f77ab (diff)
downloadgnulib-ea12546cdee0548bded92ecffcf257aa5b6a125f.tar.gz
(read_filesystem_list): Remove all_fs
argument, but put the necessary information into the result so that the caller can ignore filesystems that he's not interested in. From Paul.
Diffstat (limited to 'lib')
-rw-r--r--lib/mountlist.c85
1 files changed, 33 insertions, 52 deletions
diff --git a/lib/mountlist.c b/lib/mountlist.c
index c063c6810a..7660724529 100644
--- a/lib/mountlist.c
+++ b/lib/mountlist.c
@@ -281,13 +281,10 @@ fstype_to_string (int t)
/* Return a list of the currently mounted filesystems, or NULL on error.
Add each entry to the tail of the list so that they stay in order.
If NEED_FS_TYPE is nonzero, ensure that the filesystem type fields in
- the returned list are valid. Otherwise, they might not be.
- If ALL_FS is positive, return all entries; if zero, omit entries
- for filesystems that are automounter (dummy) entries; if negative,
- also omit non-local filesystems. */
+ the returned list are valid. Otherwise, they might not be. */
struct mount_entry *
-read_filesystem_list (int need_fs_type, int all_fs)
+read_filesystem_list (int need_fs_type)
{
struct mount_entry *mount_list;
struct mount_entry *me;
@@ -308,12 +305,12 @@ read_filesystem_list (int need_fs_type, int all_fs)
return NULL;
for (p = mntlist; p; p = p->next) {
mnt = p->ment;
- if (all_fs < 0 && REMOTE_FS_TYPE (mnt->mnt_type))
- continue;
me = (struct mount_entry*) xmalloc(sizeof (struct mount_entry));
me->me_devname = xstrdup(mnt->mnt_fsname);
me->me_mountdir = xstrdup(mnt->mnt_dir);
me->me_type = xstrdup(mnt->mnt_type);
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = -1;
*mtail = me;
mtail = &me->me_next;
@@ -335,16 +332,12 @@ read_filesystem_list (int need_fs_type, int all_fs)
while ((mnt = getmntent (fp)))
{
- if (all_fs <= 0 && (!strcmp (mnt->mnt_type, "ignore")
- || !strcmp (mnt->mnt_type, "auto")))
- continue;
- if (all_fs < 0 && REMOTE_FS_TYPE (mnt->mnt_type))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (mnt->mnt_fsname);
me->me_mountdir = xstrdup (mnt->mnt_dir);
me->me_type = xstrdup (mnt->mnt_type);
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
devopt = strstr (mnt->mnt_opts, "dev=");
if (devopt)
{
@@ -377,13 +370,13 @@ read_filesystem_list (int need_fs_type, int all_fs)
for (; entries-- > 0; fsp++)
{
char *fs_type = fsp_to_string (fsp);
- if (all_fs < 0 && REMOTE_FS_TYPE (fs_type))
- continue;
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (fsp->f_mntfromname);
me->me_mountdir = xstrdup (fsp->f_mntonname);
me->me_type = fs_type;
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
/* Add to the linked list. */
@@ -403,13 +396,12 @@ read_filesystem_list (int need_fs_type, int all_fs)
0 <= (val = getmnt (&offset, &fsd, sizeof (fsd), NOSTAT_MANY,
(char *) 0)))
{
- if (all_fs < 0 && REMOTE_FS_TYPE (gt_names[fsd.fd_req.fstype]))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (fsd.fd_req.devname);
me->me_mountdir = xstrdup (fsd.fd_req.path);
me->me_type = gt_names[fsd.fd_req.fstype];
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = fsd.fd_req.dev;
/* Add to the linked list. */
@@ -442,13 +434,12 @@ read_filesystem_list (int need_fs_type, int all_fs)
for (counter = 0; counter < numsys; counter++)
{
- if (all_fs < 0 && REMOTE_FS_TYPE (mnt_names[stats[counter].f_type]))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (stats[counter].f_mntfromname);
me->me_mountdir = xstrdup (stats[counter].f_mntonname);
me->me_type = mnt_names[stats[counter].f_type];
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
/* Add to the linked list. */
@@ -472,24 +463,6 @@ read_filesystem_list (int need_fs_type, int all_fs)
while (fread (&mnt, sizeof mnt, 1, fp) > 0)
{
- char *fs_type = "";
-
-# ifdef GETFSTYP /* SVR3. */
- if (need_fs_type || all_fs < 0)
- {
- struct statfs fsd;
- char typebuf[FSTYPSZ];
-
- if (statfs (mnt.mt_filsys, &fsd, sizeof fsd, 0) != -1
- && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1)
- {
- if (all_fs < 0 && REMOTE_FS_TYPE (typebuf))
- continue;
- fs_type = xstrdup (typebuf);
- }
- }
-# endif
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
# ifdef GETFSTYP /* SVR3. */
me->me_devname = xstrdup (mnt.mt_dev);
@@ -500,7 +473,20 @@ read_filesystem_list (int need_fs_type, int all_fs)
# endif
me->me_mountdir = xstrdup (mnt.mt_filsys);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
- me->me_type = fs_type;
+ me->me_type = "";
+# ifdef GETFSTYP /* SVR3. */
+ if (need_fs_type)
+ {
+ struct statfs fsd;
+ char typebuf[FSTYPSZ];
+
+ if (statfs (me->me_mountdir, &fsd, sizeof fsd, 0) != -1
+ && sysfs (GETFSTYP, fsd.f_fstyp, typebuf) != -1)
+ me->me_type = xstrdup (typebuf);
+ }
+# endif
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
/* Add to the linked list. */
*mtail = me;
@@ -525,13 +511,12 @@ read_filesystem_list (int need_fs_type, int all_fs)
struct mntent **mnttbl=getmnttbl(),**ent;
for (ent=mnttbl;*ent;ent++)
{
- if (all_fs < 0 && REMOTE_FS_TYPE ((*ent)->mt_fstype))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup ( (*ent)->mt_resource);
me->me_mountdir = xstrdup( (*ent)->mt_directory);
me->me_type = xstrdup ((*ent)->mt_fstype);
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
/* Add to the linked list. */
@@ -587,17 +572,12 @@ read_filesystem_list (int need_fs_type, int all_fs)
{
while ((ret = getmntent (fp, &mnt)) == 0)
{
- /* Don't show automounted filesystems twice on e.g., Solaris. */
- if (all_fs <= 0 && MNT_IGNORE (&mnt))
- continue;
-
- if (all_fs < 0 && REMOTE_FS_TYPE (mnt.mnt_fstype))
- continue;
-
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
me->me_devname = xstrdup (mnt.mnt_special);
me->me_mountdir = xstrdup (mnt.mnt_mountp);
me->me_type = xstrdup (mnt.mnt_fstype);
+ me->me_dummy = MNT_IGNORE (&mnt) != 0;
+ me->me_remote = ME_REMOTE (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* Magic; means not known yet. */
/* Add to the linked list. */
@@ -636,13 +616,12 @@ read_filesystem_list (int need_fs_type, int all_fs)
thisent += vmp->vmt_length)
{
vmp = (struct vmount *) thisent;
- if (all_fs < 0 && vmp->vmt_flags & MNT_REMOTE)
- continue;
me = (struct mount_entry *) xmalloc (sizeof (struct mount_entry));
if (vmp->vmt_flags & MNT_REMOTE)
{
char *host, *path;
+ me->me_remote = 1;
/* Prepend the remote pathname. */
host = thisent + vmp->vmt_data[VMT_HOSTNAME].vmt_off;
path = thisent + vmp->vmt_data[VMT_OBJECT].vmt_off;
@@ -653,11 +632,13 @@ read_filesystem_list (int need_fs_type, int all_fs)
}
else
{
+ me->me_remote = 0;
me->me_devname = xstrdup (thisent +
vmp->vmt_data[VMT_OBJECT].vmt_off);
}
me->me_mountdir = xstrdup (thisent + vmp->vmt_data[VMT_STUB].vmt_off);
me->me_type = xstrdup (fstype_to_string (vmp->vmt_gfstype));
+ me->me_dummy = ME_DUMMY (me->me_devname, me->me_type);
me->me_dev = (dev_t) -1; /* vmt_fsid might be the info we want. */
/* Add to the linked list. */