/* vi: set sw=4 ts=4 : */ /* 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> char *path_mounts = "/proc/mounts"; // Get a list of mount points from /etc/mtab or /proc/mounts, including // statvfs() information. This returns a reversed list, which is good for // finding overmounts and such. struct mtab_list *getmountlist(int die) { FILE *fp; struct mtab_list *mtlist, *mt; struct mntent me; char evilbuf[2*PATH_MAX]; mtlist = 0; if (!(fp = setmntent(path_mounts, "r"))) { if (die) error_exit("cannot open %s", path_mounts); } else { while (getmntent_r(fp, &me, evilbuf, sizeof(evilbuf))) { mt = xzalloc(sizeof(struct mtab_list) + strlen(me.mnt_fsname) + strlen(me.mnt_dir) + strlen(me.mnt_type) + 3); mt->next = mtlist; // Get information about this filesystem. Yes, we need both. 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); mtlist = mt; } } return mtlist; }