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ARCHIVE_ENTRY_STAT(3) Library Functions Manual ARCHIVE_ENTRY_STAT(3) NAME archive_entry_stat, archive_entry_copy_stat, archive_entry_filetype, archive_entry_set_filetype, archive_entry_mode, archive_entry_set_mode, archive_entry_size, archive_entry_size_is_set, archive_entry_set_size, archive_entry_unset_size, archive_entry_dev, archive_entry_set_dev, archive_entry_dev_is_set, archive_entry_devmajor, archive_entry_set_devmajor, archive_entry_devminor, archive_entry_set_devminor, archive_entry_ino, archive_entry_set_ino, archive_entry_ino_is_set, archive_entry_ino64, archive_entry_set_ino64, archive_entry_nlink, archive_entry_rdev, archive_entry_set_rdev, archive_entry_rdevmajor, archive_entry_set_rdevmajor, archive_entry_rdevminor, archive_entry_set_rdevminor -- accessor functions for manipulating archive entry descriptions LIBRARY Streaming Archive Library (libarchive, -larchive) SYNOPSIS #include <archive_entry.h> const struct stat * archive_entry_stat(struct archive_entry *a); void archive_entry_copy_stat(struct archive_entry *a, const struct stat *sb); mode_t archive_entry_filetype(struct archive_entry *a); void archive_entry_set_filetype(struct archive_entry *a, unsigned int type); mode_t archive_entry_mode(struct archive_entry *a); void archive_entry_set_mode(struct archive_entry *a, mode_t mode); int64_t archive_entry_size(struct archive_entry *a); int archive_entry_size_is_set(struct archive_entry *a); void archive_entry_set_size(struct archive_entry *a, int64_t size); void archive_entry_unset_size(struct archive_entry *a); dev_t archive_entry_dev(struct archive_entry *a); void archive_entry_set_dev(struct archive_entry *a, dev_t dev); int archive_entry_dev_is_set(struct archive_entry *a); dev_t archive_entry_devmajor(struct archive_entry *a); void archive_entry_set_devmajor(struct archive_entry *a, dev_t major); dev_t archive_entry_devminor(struct archive_entry *a); void archive_entry_set_devminor(struct archive_entry *a, dev_t minor); ino_t archive_entry_ino(struct archive_entry *a); void archive_entry_set_ino(struct archive_entry *a, unsigned long ino); int archive_entry_ino_is_set(struct archive_entry *a); int64_t archive_entry_ino64(struct archive_entry *a); void archive_entry_set_ino64(struct archive_entry *a, int64_t ino); unsigned int archive_entry_nlink(struct archive_entry *a); void archive_entry_set_nlink(struct archive_entry *a, unsigned int count); dev_t archive_entry_rdev(struct archive_entry *a); dev_t archive_entry_rdevmajor(struct archive_entry *a); dev_t archive_entry_rdevminor(struct archive_entry *a); void archive_entry_set_rdev(struct archive_entry *a, dev_t dev); void archive_entry_set_rdevmajor(struct archive_entry *a, dev_t major); void archive_entry_set_rdevminor(struct archive_entry *a, dev_t minor); DESCRIPTION Copying to and from struct stat The function archive_entry_stat() converts the various fields stored in the archive entry to the format used by stat(2). The return value remains valid until either archive_entry_clear() or archive_entry_free() is called. It is not affected by calls to the set accessor functions. It currently sets the following values in struct stat: st_atime, st_ctime, st_dev, st_gid, st_ino, st_mode, st_mtime, st_nlink, st_rdev, st_size, st_uid. In addition, st_birthtime and high-precision information for time-related fields will be included on platforms that support it. The function archive_entry_copy_stat() copies fields from the platform's struct stat. Fields not provided by struct stat are unchanged. General accessor functions The functions archive_entry_filetype() and archive_entry_set_filetype() get respectively set the filetype. The file type is one of the following con- stants: AE_IFREG Regular file AE_IFLNK Symbolic link AE_IFSOCK Socket AE_IFCHR Character device AE_IFBLK Block device AE_IFDIR Directory AE_IFIFO Named pipe (fifo) Not all file types are supported by all platforms. The constants used by stat(2) may have different numeric values from the corresponding constants above. The functions archive_entry_mode() and archive_entry_set_mode() get/set a combination of file type and permissions and provide the equivalent of st_mode. Use of archive_entry_filetype() and archive_entry_perm() for get- ting and archive_entry_set_filetype() and archive_entry_set_perm() for set- ting is recommended. The function archive_entry_size() returns the file size, if it has been set, and 0 otherwise. archive_entry_size_is_set() can be used to query that status. archive_entry_set_size() and archive_entry_unset_size() set and unset the size, respectively. The number of references (hardlinks) can be obtained by calling archive_en- try_nlink() and set with archive_entry_set_nlink(). Identifying unique files The functions archive_entry_dev() and archive_entry_ino64() are used by archive_entry_linkify(3) to find hardlinks. The pair of device and inode is supposed to identify hardlinked files. The device major and minor number can be obtained independently using archive_entry_devmajor() and archive_entry_devminor(). The device can be set either via archive_entry_set_dev() or by the combination of major and minor number using archive_entry_set_devmajor() and archive_entry_set_de- vminor(). The inode number can be obtained using archive_entry_ino(). This is a legacy interface that uses the platform ino_t, which may be very small. To set the inode number, archive_entry_set_ino64() is the preferred interface. Accessor functions for block and character devices Block and character devices are characterised either using a device number or a pair of major and minor number. The combined device number can be ob- tained with archive_device_rdev() and set with archive_device_set_rdev(). The major and minor numbers are accessed by archive_device_rdevmajor(), archive_device_rdevminor() archive_device_set_rdevmajor() and archive_de- vice_set_rdevminor(). The process of splitting the combined device number into major and minor number and the reverse process of combing them differs between platforms. Some archive formats use the combined form, while other formats use the split form. SEE ALSO stat(2), archive_entry_acl(3), archive_entry_perms(3), archive_en- try_time(3), libarchive(3) FreeBSD ports 15.quarterly February 2, 2012 ARCHIVE_ENTRY_STAT(3)
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | SEE ALSO
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