/* getmountlist.c - Get a linked list of mount points, with stat information. * * Copyright 2006 Rob Landley <rob@landley.net> */ #include "toys.h" #include <mntent.h> // Get list of mounted filesystems, including stat and statvfs info. // Returns a reversed list, which is good for finding overmounts and such. struct mtab_list *xgetmountlist(char *path) { struct mtab_list *mtlist, *mt; struct mntent *me; FILE *fp; if (!path) path = "/proc/mounts"; if (!(fp = setmntent(path, "r"))) perror_exit("bad %s", path); // The "test" part of the loop is done before the first time through and // again after each "increment", so putting the actual load there avoids // duplicating it. If the load was NULL, the loop stops. for (mtlist = 0; (me = getmntent(fp)); mtlist = mt) { mt = xzalloc(sizeof(struct mtab_list) + strlen(me->mnt_fsname) + strlen(me->mnt_dir) + strlen(me->mnt_type) + 3); mt->next = mtlist; // Collect details about mounted filesystem (don't bother for /etc/fstab). stat(me->mnt_dir, &(mt->stat)); statvfs(me->mnt_dir, &(mt->statvfs)); // Remember information from /proc/mounts mt->dir = stpcpy(mt->type, me->mnt_type) + 1; mt->device = stpcpy(mt->dir, me->mnt_dir) + 1; strcpy(mt->device, me->mnt_fsname); } endmntent(fp); return mtlist; }