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author | Lennart Poettering <lennart@poettering.net> | 2020-04-29 13:58:53 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2020-05-19 17:27:13 +0200 |
commit | 053e0626dbbfa5561a3c746d911e7be1525a64f1 (patch) | |
tree | 629125c5c1e69e1a38991db189efe79873c32507 /src/basic/fs-util.h | |
parent | 1d06deba0fb82411a209d5bdd99f0fb42a174788 (diff) | |
download | systemd-053e0626dbbfa5561a3c746d911e7be1525a64f1.tar.gz |
fs-util: teach unlinkat_deallocate() a simple scheme for overwriting for erasing
With that it becomes useful for deleting password files and such.
Diffstat (limited to 'src/basic/fs-util.h')
-rw-r--r-- | src/basic/fs-util.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/basic/fs-util.h b/src/basic/fs-util.h index 0889239829..dd101c61cc 100644 --- a/src/basic/fs-util.h +++ b/src/basic/fs-util.h @@ -113,7 +113,13 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(char*, unlink_and_free); int access_fd(int fd, int mode); void unlink_tempfilep(char (*p)[]); -int unlinkat_deallocate(int fd, const char *name, int flags); + +typedef enum UnlinkDeallocateFlags { + UNLINK_REMOVEDIR = 1 << 0, + UNLINK_ERASE = 1 << 1, +} UnlinkDeallocateFlags; + +int unlinkat_deallocate(int fd, const char *name, UnlinkDeallocateFlags flags); int fsync_directory_of_file(int fd); int fsync_full(int fd); |