148 lines
3.5 KiB
C
148 lines
3.5 KiB
C
/*
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* diskspace.c
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*
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* Copyright (c) 2010 Pacman Development Team <pacman-dev@archlinux.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#if defined HAVE_GETMNTENT
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#include <mntent.h>
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#include <sys/statvfs.h>
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#elif defined HAVE_GETMNTINFO_STATFS
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#include <sys/param.h>
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#include <sys/mount.h>
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#if HAVE_SYS_UCRED_H
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#include <sys/ucred.h>
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#endif
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#elif defined HAVE_GETMNTINFO_STATVFS
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#include <sys/types.h>
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#include <sys/statvfs.h>
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#endif
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/* libalpm */
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#include "diskspace.h"
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#include "alpm_list.h"
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#include "util.h"
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#include "log.h"
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static alpm_list_t *mount_point_list()
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{
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alpm_list_t *mount_points = NULL;
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alpm_mountpoint_t *mp;
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#if defined HAVE_GETMNTENT
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struct mntent *mnt;
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FILE *fp;
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struct statvfs fsp;
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fp = setmntent(MOUNTED, "r");
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if (fp == NULL) {
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return NULL;
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}
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while((mnt = getmntent (fp))) {
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if(statvfs(mnt->mnt_dir, &fsp) != 0) {
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_alpm_log(PM_LOG_WARNING, "could not get filesystem information for %s\n", mnt->mnt_dir);
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continue;
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}
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MALLOC(mp, sizeof(alpm_mountpoint_t), RET_ERR(PM_ERR_MEMORY, NULL));
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mp->mount_dir = strdup(mnt->mnt_dir);
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MALLOC(mp->fsp, sizeof(struct statvfs), RET_ERR(PM_ERR_MEMORY, NULL));
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memcpy((void *)(mp->fsp), (void *)(&fsp), sizeof(struct statvfs));
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mp->blocks_needed = 0;
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mp->max_blocks_needed = 0;
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mp->used = 0;
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mount_points = alpm_list_add(mount_points, mp);
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}
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endmntent(fp);
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#elif defined HAVE_GETMNTINFO_STATFS
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int entries;
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struct statfs *fsp;
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entries = getmntinfo(&fsp, MNT_NOWAIT);
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if (entries < 0) {
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return NULL;
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}
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for(; entries-- > 0; fsp++) {
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MALLOC(mp, sizeof(alpm_mountpoint_t), RET_ERR(PM_ERR_MEMORY, NULL));
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mp->mount_dir = strdup(fsp->f_mntonname);
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MALLOC(mp->fsp, sizeof(struct statfs), RET_ERR(PM_ERR_MEMORY, NULL));
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memcpy((void *)(mp->fsp), (void *)fsp, sizeof(struct statfs));
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mp->blocks_needed = 0;
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mp->max_blocks_needed = 0;
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mount_points = alpm_list_add(mount_points, mp);
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}
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#elif defined HAVE_GETMNTINFO_STATVFS
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int entries;
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struct statvfs *fsp;
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entries = getmntinfo(&fsp, MNT_NOWAIT);
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if (entries < 0) {
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return NULL;
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}
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for (; entries-- > 0; fsp++) {
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MALLOC(mp, sizeof(alpm_mountpoint_t), RET_ERR(PM_ERR_MEMORY, NULL));
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mp->mount_dir = strdup(fsp->f_mntonname);
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MALLOC(mp->fsp, sizeof(struct statvfs), RET_ERR(PM_ERR_MEMORY, NULL));
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memcpy((void *)(mp->fsp), (void *)fsp, sizeof(struct statvfs));
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mp->blocks_needed = 0;
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mp->max_blocks_needed = 0;
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mount_points = alpm_list_add(mount_points, mp);
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}
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#endif
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return(mount_points);
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}
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int _alpm_check_diskspace(pmtrans_t *trans, pmdb_t *db)
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{
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alpm_list_t *mount_points;
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mount_points = mount_point_list();
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if(mount_points == NULL) {
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_alpm_log(PM_LOG_ERROR, _("count not determine filesystem mount points"));
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return -1;
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}
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for(i = mount_points; i; i = alpm_list_next(i)) {
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alpm_mountpoint_t *data = i->data;
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FREE(data->mount_dir);
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FREE(data->fsp);
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}
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FREELIST(mount_points);
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return 0;
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}
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/* vim: set ts=2 sw=2 noet: */
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