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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-07-21 15:24:38 +0200
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2019-07-21 15:44:02 +0200
commit73db760b3fd2d3f2ff9186deb86589fdc36f2542 (patch)
treef0f75f2f9953a9028e4f8b77c65cb8a657c794d9 /lib/fstree/xattr.c
parent53bb1720f0603b185d71cc3db1194d9bf16fdbe2 (diff)
Cleanup xattr handling
- Store them in a struct instead of a hacky uint64_t with magic shifts - Split up key/value pair write function to write_key and write_value - Move the size accounting into those functions respectively Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/fstree/xattr.c')
-rw-r--r--lib/fstree/xattr.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/lib/fstree/xattr.c b/lib/fstree/xattr.c
index 4597d9d..2ce39f4 100644
--- a/lib/fstree/xattr.c
+++ b/lib/fstree/xattr.c
@@ -87,17 +87,15 @@ int fstree_add_xattr(fstree_t *fs, tree_node_t *node,
fs->xattr = xattr;
}
- xattr->ref[xattr->num_attr] = (uint64_t)key_idx << 32;
- xattr->ref[xattr->num_attr] |= (uint64_t)value_idx;
+ xattr->attr[xattr->num_attr].key_index = key_idx;
+ xattr->attr[xattr->num_attr].value_index = value_idx;
xattr->num_attr += 1;
return 0;
}
-static int cmp_u64(const void *lhs, const void *rhs)
+static int cmp_attr(const void *lhs, const void *rhs)
{
- uint64_t l = *((uint64_t *)lhs), r = *((uint64_t *)rhs);
-
- return l < r ? -1 : (l > r ? 1 : 0);
+ return memcmp(lhs, rhs, sizeof(((tree_xattr_t *)0)->attr[0]));
}
void fstree_xattr_reindex(fstree_t *fs)
@@ -113,8 +111,8 @@ void fstree_xattr_reindex(fstree_t *fs)
it->index = index++;
for (i = 0; i < it->num_attr; ++i) {
- key_idx = (it->ref[i] >> 32) & 0x00000000FFFFFFFF;
- value_idx = it->ref[i] & 0x00000000FFFFFFFF;
+ key_idx = it->attr[i].key_index;
+ value_idx = it->attr[i].value_index;
str_table_add_ref(&fs->xattr_keys, key_idx);
str_table_add_ref(&fs->xattr_values, value_idx);
@@ -128,7 +126,7 @@ void fstree_xattr_deduplicate(fstree_t *fs)
int diff;
for (it = fs->xattr; it != NULL; it = it->next)
- qsort(it->ref, it->num_attr, sizeof(it->ref[0]), cmp_u64);
+ qsort(it->attr, it->num_attr, sizeof(it->attr[0]), cmp_attr);
prev = NULL;
it = fs->xattr;
@@ -138,8 +136,8 @@ void fstree_xattr_deduplicate(fstree_t *fs)
if (it1->num_attr != it->num_attr)
continue;
- diff = memcmp(it1->ref, it->ref,
- it->num_attr * sizeof(it->ref[0]));
+ diff = memcmp(it1->attr, it->attr,
+ it->num_attr * sizeof(it->attr[0]));
if (diff == 0)
break;
}