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authorDaan De Meyer <daan.j.demeyer@gmail.com>2022-09-23 19:00:23 +0200
committerDaan De Meyer <daan.j.demeyer@gmail.com>2022-11-10 15:59:18 +0100
commitddfdf86f813679a3bfce7f5a50a8143d1bd720c4 (patch)
tree8386cc4182968d64c48b6da25091b0550c4073ea /src/basic/stat-util.c
parentbuild: Use -fstrict-flex-arrays=1 if supported (diff)
downloadsystemd-ddfdf86f813679a3bfce7f5a50a8143d1bd720c4.tar.xz
systemd-ddfdf86f813679a3bfce7f5a50a8143d1bd720c4.zip
stat-util: Move inode_hash_ops to stat-util
TO make it usable in other code.
Diffstat (limited to 'src/basic/stat-util.c')
-rw-r--r--src/basic/stat-util.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/basic/stat-util.c b/src/basic/stat-util.c
index 51adaca9d0..97dbcaac66 100644
--- a/src/basic/stat-util.c
+++ b/src/basic/stat-util.c
@@ -15,6 +15,7 @@
#include "fileio.h"
#include "filesystems.h"
#include "fs-util.h"
+#include "hash-funcs.h"
#include "macro.h"
#include "missing_fs.h"
#include "missing_magic.h"
@@ -441,3 +442,20 @@ int statx_fallback(int dfd, const char *path, int flags, unsigned mask, struct s
return 0;
}
+
+void inode_hash_func(const struct stat *q, struct siphash *state) {
+ siphash24_compress(&q->st_dev, sizeof(q->st_dev), state);
+ siphash24_compress(&q->st_ino, sizeof(q->st_ino), state);
+}
+
+int inode_compare_func(const struct stat *a, const struct stat *b) {
+ int r;
+
+ r = CMP(a->st_dev, b->st_dev);
+ if (r != 0)
+ return r;
+
+ return CMP(a->st_ino, b->st_ino);
+}
+
+DEFINE_HASH_OPS_WITH_KEY_DESTRUCTOR(inode_hash_ops, struct stat, inode_hash_func, inode_compare_func, free);