From 73db760b3fd2d3f2ff9186deb86589fdc36f2542 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sun, 21 Jul 2019 15:24:38 +0200 Subject: 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 --- lib/fstree/xattr.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) (limited to 'lib/fstree/xattr.c') 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; } -- cgit v1.2.3