Allow the left operand of comparison operations to be NULL (initially).

[sysdb.git] / src / core / store_lookup.c

diff --git a/src/core/store_lookup.c b/src/core/store_lookup.c
index 2d1b3ca11e5fc895ddf7fca662412e345ba84e32..5aa69152f237576cb4d2995e15c9a3c771b5b976 100644 (file)
--- a/src/core/store_lookup.c
+++ b/src/core/store_lookup.c
@@ -201,6 +201,8 @@ match_iter_array(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
 
        int status;
 
+       assert(CMP_M(m)->left && CMP_M(m)->right);
+
        if ((ITER_M(m)->m->type < MATCHER_LT)
                        || (MATCHER_NREGEX < ITER_M(m)->m->type))
                return 0;
@@ -308,6 +310,7 @@ match_cmp(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
                        || (m->type == MATCHER_NE)
                        || (m->type == MATCHER_GE)
                        || (m->type == MATCHER_GT));
+       assert(e1 && e2);
 
        if (expr_eval2(e1, &v1, e2, &v2, obj, filter))
                return 0;
@@ -327,6 +330,7 @@ match_in(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
        int status = 1;
 
        assert((m->type == MATCHER_IN) || (m->type == MATCHER_NIN));
+       assert(CMP_M(m)->left && CMP_M(m)->right);
 
        if (expr_eval2(CMP_M(m)->left, &value,
                                CMP_M(m)->right, &array, obj, filter))
@@ -350,6 +354,7 @@ match_regex(sdb_store_matcher_t *m, sdb_store_obj_t *obj,
 
        assert((m->type == MATCHER_REGEX)
                        || (m->type == MATCHER_NREGEX));
+       assert(CMP_M(m)->left && CMP_M(m)->right);
 
        if (expr_eval2(CMP_M(m)->left, &v, CMP_M(m)->right, &regex, obj, filter))
                return 0;
@@ -480,7 +485,7 @@ cmp_matcher_init(sdb_object_t *obj, va_list ap)
        CMP_M(obj)->right = va_arg(ap, sdb_store_expr_t *);
        sdb_object_ref(SDB_OBJ(CMP_M(obj)->right));
 
-       if ((! CMP_M(obj)->left) || (! CMP_M(obj)->right))
+       if (! CMP_M(obj)->right)
                return -1;
        return 0;
 } /* cmp_matcher_init */