diff options
| -rw-r--r-- | source4/lib/ldb/common/ldb_parse.c | 58 | ||||
| -rw-r--r-- | source4/lib/ldb/configure.ac | 2 | ||||
| -rw-r--r-- | source4/lib/ldb/include/ldb.h | 6 |
3 files changed, 65 insertions, 1 deletions
diff --git a/source4/lib/ldb/common/ldb_parse.c b/source4/lib/ldb/common/ldb_parse.c index 0fab0026f3..7f347c51df 100644 --- a/source4/lib/ldb/common/ldb_parse.c +++ b/source4/lib/ldb/common/ldb_parse.c @@ -818,3 +818,61 @@ void ldb_parse_tree_attr_replace(struct ldb_parse_tree *tree, break; } } + +/* + shallow copy a tree - copying only the elements array so that the caller + can safely add new elements without changing the message +*/ +struct ldb_parse_tree *ldb_parse_tree_copy_shallow(TALLOC_CTX *mem_ctx, + const struct ldb_parse_tree *ot) +{ + int i; + struct ldb_parse_tree *nt; + + nt = talloc(mem_ctx, struct ldb_parse_tree); + if (!nt) { + return NULL; + } + + *nt = *ot; + + switch (ot->operation) { + case LDB_OP_AND: + case LDB_OP_OR: + nt->u.list.elements = talloc_array(nt, struct ldb_parse_tree, + ot->u.list.num_elements); + if (!nt->u.list.elements) { + talloc_free(nt); + return NULL; + } + + for (i=0;i<ot->u.list.num_elements;i++) { + nt->u.list.elements[i] = + ldb_parse_tree_copy_shallow(nt->u.list.elements, + ot->u.list.elements[i]); + if (!nt->u.list.elements[i]) { + talloc_free(nt); + return NULL; + } + } + break; + case LDB_OP_NOT: + nt->u.isnot.child = ldb_parse_tree_copy_shallow(nt, + ot->u.isnot.child); + if (!nt->u.isnot.child) { + talloc_free(nt); + return NULL; + } + break; + case LDB_OP_EQUALITY: + case LDB_OP_GREATER: + case LDB_OP_LESS: + case LDB_OP_APPROX: + case LDB_OP_SUBSTRING: + case LDB_OP_PRESENT: + case LDB_OP_EXTENDED: + break; + } + + return nt; +} diff --git a/source4/lib/ldb/configure.ac b/source4/lib/ldb/configure.ac index f33d830357..a0fab6d786 100644 --- a/source4/lib/ldb/configure.ac +++ b/source4/lib/ldb/configure.ac @@ -11,7 +11,7 @@ AC_DEFUN([SMB_MODULE_DEFAULT], [echo -n ""]) AC_DEFUN([SMB_LIBRARY_ENABLE], [echo -n ""]) AC_DEFUN([SMB_EXT_LIB], [echo -n ""]) AC_DEFUN([SMB_ENABLE], [echo -n ""]) -AC_INIT(ldb, 0.9.6) +AC_INIT(ldb, 0.9.7) AC_CONFIG_SRCDIR([common/ldb.c]) AC_LIBREPLACE_ALL_CHECKS diff --git a/source4/lib/ldb/include/ldb.h b/source4/lib/ldb/include/ldb.h index 2c89031919..047e66c8b7 100644 --- a/source4/lib/ldb/include/ldb.h +++ b/source4/lib/ldb/include/ldb.h @@ -1835,6 +1835,12 @@ void ldb_parse_tree_attr_replace(struct ldb_parse_tree *tree, const char *attr, const char *replace); +/* + shallow copy a tree - copying only the elements array so that the caller + can safely add new elements without changing the message +*/ +struct ldb_parse_tree *ldb_parse_tree_copy_shallow(TALLOC_CTX *mem_ctx, + const struct ldb_parse_tree *ot); /** Convert a time structure to a string |