diff options
author | mckusick <mckusick@FreeBSD.org> | 2009-10-20 05:37:54 +0000 |
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committer | mckusick <mckusick@FreeBSD.org> | 2009-10-20 05:37:54 +0000 |
commit | 964d09e0daea58d6f551b3f7dadc4d37efd2e70d (patch) | |
tree | 6b81c3a992a5d8314ac80c4f40d014fd587a60c2 /lib/libutil | |
parent | 0541f56541d9dcea9220421c4e7b5d348af5e15c (diff) | |
download | FreeBSD-src-964d09e0daea58d6f551b3f7dadc4d37efd2e70d.zip FreeBSD-src-964d09e0daea58d6f551b3f7dadc4d37efd2e70d.tar.gz |
Add quota_maxid which returns the maximum user (or group) identifier
in an associated quotafile. Needed by repquota.
Bug fix in quota_read.
Diffstat (limited to 'lib/libutil')
-rw-r--r-- | lib/libutil/libutil.h | 1 | ||||
-rw-r--r-- | lib/libutil/quotafile.3 | 14 | ||||
-rw-r--r-- | lib/libutil/quotafile.c | 26 |
3 files changed, 36 insertions, 5 deletions
diff --git a/lib/libutil/libutil.h b/lib/libutil/libutil.h index 2190a53..b5ff6fd 100644 --- a/lib/libutil/libutil.h +++ b/lib/libutil/libutil.h @@ -146,6 +146,7 @@ struct fstab; struct quotafile *quota_open(struct fstab *, int, int); const char *quota_fsname(const struct quotafile *); const char *quota_qfname(const struct quotafile *); +int quota_maxid(struct quotafile *); int quota_check_path(const struct quotafile *, const char *path); int quota_read(struct quotafile *, struct dqblk *, int); int quota_write_limits(struct quotafile *, struct dqblk *, int); diff --git a/lib/libutil/quotafile.3 b/lib/libutil/quotafile.3 index 4762bf9..d0c27d7 100644 --- a/lib/libutil/quotafile.3 +++ b/lib/libutil/quotafile.3 @@ -32,6 +32,7 @@ .Nm quota_open .Nm quota_fsname .Nm quota_qfname +.Nm quota_maxid .Nm quota_check_path .Nm quota_read .Nm quota_write_limits @@ -44,8 +45,9 @@ .In sys/param.h .In sys/mount.h .In ufs/ufs/quota.h -.In libutil.h +.In fcntl.h .In fstab.h +.In libutil.h .Ft "struct quotafile *" .Fn quota_open "struct fstab *fs" "int quotatype" "int openflags" .Ft "const char *" @@ -53,6 +55,8 @@ .Ft "const char *" .Fn quota_qfname "const struct quotafile *qf" .Ft int +.Fn quota_maxid "const struct quotafile *qf" +.Ft int .Fn quota_check_path "const struct quotafile *qf" "const char *path" .Ft int .Fn quota_read "struct quotafile *qf" "struct dqblk *dqb" "int id" @@ -116,6 +120,14 @@ argument. Note that this may be a symbolic link to the actual file. .Pp The +.Fn quota_maxid +function returns the maximum user (or group) +.Va id +contained in the quota file associated with its +.Va qf +argument. +.Pp +The .Fn quota_check_path function checks if the specified path is within the filesystem that corresponds to its diff --git a/lib/libutil/quotafile.c b/lib/libutil/quotafile.c index 6dcb697..4c63a17 100644 --- a/lib/libutil/quotafile.c +++ b/lib/libutil/quotafile.c @@ -128,13 +128,13 @@ quota_open(struct fstab *fs, int quotatype, int openflags) if (stat(qf->fsname, &st) != 0) goto error; qf->dev = st.st_dev; + serrno = hasquota(fs, quotatype, qf->qfname, sizeof(qf->qfname)); qcmd = QCMD(Q_GETQUOTA, quotatype); if (quotactl(fs->fs_file, qcmd, 0, &dqh) == 0) { qf->wordsize = 64; - qf->fd = -1; return (qf); } - if (!hasquota(fs, quotatype, qf->qfname, sizeof(qf->qfname))) { + if (serrno == 0) { errno = EOPNOTSUPP; goto error; } @@ -231,6 +231,24 @@ quota_check_path(const struct quotafile *qf, const char *path) return (st.st_dev == qf->dev); } +int +quota_maxid(struct quotafile *qf) +{ + struct stat st; + + if (stat(qf->qfname, &st) < 0) + return (0); + switch (qf->wordsize) { + case 32: + return (st.st_size / sizeof(struct dqblk32)); + case 64: + return (st.st_size / sizeof(struct dqblk64) - 1); + default: + return (0); + } + /* not reached */ +} + static int quota_read32(struct quotafile *qf, struct dqblk *dqb, int id) { @@ -242,7 +260,7 @@ quota_read32(struct quotafile *qf, struct dqblk *dqb, int id) return (-1); switch (read(qf->fd, &dqb32, sizeof(dqb32))) { case 0: - memset(&dqb, 0, sizeof(*dqb)); + memset(dqb, 0, sizeof(*dqb)); return (0); case sizeof(dqb32): dqb->dqb_bhardlimit = dqb32.dqb_bhardlimit; @@ -270,7 +288,7 @@ quota_read64(struct quotafile *qf, struct dqblk *dqb, int id) return (-1); switch (read(qf->fd, &dqb64, sizeof(dqb64))) { case 0: - memset(&dqb, 0, sizeof(*dqb)); + memset(dqb, 0, sizeof(*dqb)); return (0); case sizeof(dqb64): dqb->dqb_bhardlimit = be64toh(dqb64.dqb_bhardlimit); |