diff options
| author | Karel Zak | 2011-05-18 16:24:37 +0200 |
|---|---|---|
| committer | Karel Zak | 2011-05-18 16:24:37 +0200 |
| commit | 413993fcb1571e2a9208e19b1a54ee132ef5bfa3 (patch) | |
| tree | b925aec11925b2daf0dc5f366ea1ba9930d43463 /include/sysfs.h | |
| parent | lib: [at.c] add readlink_at(), fix semantic for absolute paths (diff) | |
| download | kernel-qcow2-util-linux-413993fcb1571e2a9208e19b1a54ee132ef5bfa3.tar.gz kernel-qcow2-util-linux-413993fcb1571e2a9208e19b1a54ee132ef5bfa3.tar.xz kernel-qcow2-util-linux-413993fcb1571e2a9208e19b1a54ee132ef5bfa3.zip | |
lib: [sysfs.c] add sysfs_readlink and name/path functions
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'include/sysfs.h')
| -rw-r--r-- | include/sysfs.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/sysfs.h b/include/sysfs.h index 5190ac482..a26e0a72e 100644 --- a/include/sysfs.h +++ b/include/sysfs.h @@ -27,9 +27,10 @@ struct sysfs_cxt { extern char *sysfs_devno_attribute_path(dev_t devno, char *buf, - size_t buflen, const char *attr); + size_t bufsiz, const char *attr); extern int sysfs_devno_has_attribute(dev_t devno, const char *attr); -extern char *sysfs_devno_path(dev_t devno, char *buf, size_t buflen); +extern char *sysfs_devno_path(dev_t devno, char *buf, size_t bufsiz); +extern char *sysfs_devno_to_devpath(dev_t devno, char *buf, size_t bufsiz); extern dev_t sysfs_devname_to_devno(const char *name, const char *parent); extern int sysfs_init(struct sysfs_cxt *cxt, dev_t devno, @@ -39,6 +40,8 @@ extern void sysfs_deinit(struct sysfs_cxt *cxt); extern DIR *sysfs_opendir(struct sysfs_cxt *cxt, const char *attr); extern int sysfs_stat(struct sysfs_cxt *cxt, const char *attr, struct stat *st); +extern ssize_t sysfs_readlink(struct sysfs_cxt *cxt, const char *attr, + char *buf, size_t bufsiz); extern int sysfs_has_attribute(struct sysfs_cxt *cxt, const char *attr); extern int sysfs_scanf(struct sysfs_cxt *cxt, const char *attr, @@ -49,10 +52,13 @@ extern int sysfs_read_s64(struct sysfs_cxt *cxt, const char *attr, int64_t *res) extern int sysfs_read_u64(struct sysfs_cxt *cxt, const char *attr, uint64_t *res); extern int sysfs_read_int(struct sysfs_cxt *cxt, const char *attr, int *res); +extern char *sysfs_get_devname(struct sysfs_cxt *cxt, char *buf, size_t bufsiz); + extern char *sysfs_strdup(struct sysfs_cxt *cxt, const char *attr); extern int sysfs_count_dirents(struct sysfs_cxt *cxt, const char *attr); extern int sysfs_count_partitions(struct sysfs_cxt *cxt, const char *devname); +extern char *sysfs_get_slave(struct sysfs_cxt *cxt); extern int sysfs_is_partition_dirent(DIR *dir, struct dirent *d, const char *parent_name); |