(libretro-db) Small cleanups

libretro-db/bintree.c

@@ -46,11 +46,6 @@ struct bintree
 /* TODO/FIXME - static global variable */
 static void *NIL_NODE = &NIL_NODE;
 
-static INLINE int bintree_is_nil(const struct bintree_node *node)
-{
-   return !node || (node->value == NIL_NODE);
-}
-
 static struct bintree_node *bintree_new_nil_node(
       struct bintree_node *parent)
 {
@@ -73,7 +68,7 @@ static int bintree_insert_internal(bintree_t *t,
 {
    int cmp_res = 0;
 
-   if (bintree_is_nil(root))
+   if (!root || (root->value == NIL_NODE))
    {
       root->left  = bintree_new_nil_node(root);
       root->right = bintree_new_nil_node(root);
@@ -96,7 +91,7 @@ static int bintree_iterate_internal(struct bintree_node *n,
 {
    int rv;
 
-   if (bintree_is_nil(n))
+   if (!n || (n->value == NIL_NODE))
       return 0;
 
    if ((rv = bintree_iterate_internal(n->left, cb, ctx)) != 0)

libretro-db/libretrodb.c

@@ -103,7 +103,6 @@ static int libretrodb_write_metadata(RFILE *fd, libretrodb_metadata_t *md)
 static int libretrodb_validate_document(const struct rmsgpack_dom_value *doc)
 {
    unsigned i;
-   struct rmsgpack_dom_value key, value;
    int rv = 0;
 
    if (doc->type != RDT_MAP)
@@ -111,8 +110,8 @@ static int libretrodb_validate_document(const struct rmsgpack_dom_value *doc)
 
    for (i = 0; i < doc->val.map.len; i++)
    {
-      key = doc->val.map.items[i].key;
+      struct rmsgpack_dom_value key   = doc->val.map.items[i].key;
-      value = doc->val.map.items[i].value;
+      struct rmsgpack_dom_value value = doc->val.map.items[i].value;
 
       if (key.type != RDT_STRING)
          return -EINVAL;
@@ -433,7 +432,8 @@ void libretrodb_cursor_close(libretrodb_cursor_t *cursor)
  *
  * Returns: 0 if successful, otherwise negative.
  **/
-int libretrodb_cursor_open(libretrodb_t *db, libretrodb_cursor_t *cursor,
+int libretrodb_cursor_open(libretrodb_t *db,
+      libretrodb_cursor_t *cursor,
       libretrodb_query_t *q)
 {
    RFILE *fd = NULL;

libretro-db/query.c

@@ -136,7 +136,8 @@ static struct rmsgpack_dom_value func_equals(
          res.val.bool_ = 0;
       else
       {
-         if (input.type == RDT_UINT && arg.a.value.type == RDT_INT)
+         if (  input.type       == RDT_UINT && 
+               arg.a.value.type == RDT_INT)
          {
             arg.a.value.type      = RDT_UINT;
             arg.a.value.val.uint_ = arg.a.value.val.int_;
@@ -163,13 +164,11 @@ static struct rmsgpack_dom_value query_func_operator_or(
       if (argv[i].type == AT_VALUE)
          res = func_equals(input, 1, &argv[i]);
       else
-      {
          res = query_func_is_true(
                argv[i].a.invocation.func(input,
                   argv[i].a.invocation.argc,
                   argv[i].a.invocation.argv
                   ), 0, NULL);
-      }
 
       if (res.val.bool_)
          return res;
@@ -193,14 +192,12 @@ static struct rmsgpack_dom_value query_func_operator_and(
       if (argv[i].type == AT_VALUE)
          res = func_equals(input, 1, &argv[i]);
       else
-      {
          res = query_func_is_true(
                argv[i].a.invocation.func(input,
                   argv[i].a.invocation.argc,
                   argv[i].a.invocation.argv
                   ),
                0, NULL);
-      }
 
       if (!res.val.bool_)
          return res;
@@ -218,13 +215,13 @@ static struct rmsgpack_dom_value query_func_between(
    res.type                       = RDT_BOOL;
    res.val.bool_                  = 0;
 
-   (void)i;
-
    if (argc != 2)
       return res;
-   if (argv[0].type != AT_VALUE || argv[1].type != AT_VALUE)
+   if (     argv[0].type != AT_VALUE 
+         || argv[1].type != AT_VALUE)
       return res;
-   if (argv[0].a.value.type != RDT_INT || argv[1].a.value.type != RDT_INT)
+   if (     argv[0].a.value.type != RDT_INT 
+         || argv[1].a.value.type != RDT_INT)
       return res;
 
    switch (input.type)
@@ -240,7 +237,7 @@ static struct rmsgpack_dom_value query_func_between(
                && (input.val.int_ <= argv[1].a.value.val.int_));
          break;
       default:
-         return res;
+         break;
    }
 
    return res;

libretro-db/rmsgpack_dom.c

@@ -181,17 +181,6 @@ static int dom_read_array_start(uint32_t len, void *data)
 	return 0;
 }
 
-static struct rmsgpack_read_callbacks dom_reader_callbacks = {
-	dom_read_nil,
-	dom_read_bool,
-	dom_read_int,
-	dom_read_uint,
-	dom_read_string,
-	dom_read_bin,
-	dom_read_map_start,
-	dom_read_array_start
-};
-
 void rmsgpack_dom_value_free(struct rmsgpack_dom_value *v)
 {
    unsigned i;
@@ -247,12 +236,10 @@ int rmsgpack_dom_value_cmp(
       const struct rmsgpack_dom_value *b
 )
 {
-   int rv;
    unsigned i;
 
    if (a == b)
       return 1;
-
    if (a->type != b->type)
       return 1;
 
@@ -281,6 +268,7 @@ int rmsgpack_dom_value_cmp(
             return 1;
          for (i = 0; i < a->val.map.len; i++)
          {
+            int rv;
             if ((rv = rmsgpack_dom_value_cmp(&a->val.map.items[i].key,
                         &b->val.map.items[i].key)) != 0)
                return rv;
@@ -294,6 +282,7 @@ int rmsgpack_dom_value_cmp(
             return 1;
          for (i = 0; i < a->val.array.len; i++)
          {
+            int rv;
             if ((rv = rmsgpack_dom_value_cmp(&a->val.array.items[i],
                         &b->val.array.items[i])) != 0)
                return rv;
@@ -407,6 +396,17 @@ int rmsgpack_dom_write(RFILE *fd, const struct rmsgpack_dom_value *obj)
    return written;
 }
 
+static struct rmsgpack_read_callbacks dom_reader_callbacks = {
+	dom_read_nil,
+	dom_read_bool,
+	dom_read_int,
+	dom_read_uint,
+	dom_read_string,
+	dom_read_bin,
+	dom_read_map_start,
+	dom_read_array_start
+};
+
 int rmsgpack_dom_read(RFILE *fd, struct rmsgpack_dom_value *out)
 {
    struct dom_reader_state s;
@@ -442,8 +442,6 @@ int rmsgpack_dom_read_into(RFILE *fd, ...)
 
    rv             = rmsgpack_dom_read(fd, &map);
 
-   (void)value_type;
-
    if (rv < 0)
    {
       va_end(ap);