[glib: 2/7] Fix signedness warning in gobject/gtype.c:iface_node_has_available_offset_L()

[Philip Withnall <pwithnall src gnome org>]

commit cc7540909ff4a4aa09b1b0b661431276c29f3458
Author: Emmanuel Fleury <emmanuel fleury gmail com>
Date:   Mon Nov 16 18:01:46 2020 +0100

    Fix signedness warning in gobject/gtype.c:iface_node_has_available_offset_L()
    
    gobject/gtype.c: In function ‘iface_node_has_available_offset_L’:
    gobject/gtype.c:1288:42: error: comparison of integer expressions of different signedness: ‘gsize’ {aka 
‘long unsigned int’} and ‘int’
     1288 |   if (G_ATOMIC_ARRAY_DATA_SIZE (offsets) <= offset)
          |                                          ^~

 gobject/gtype.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)
---
diff --git a/gobject/gtype.c b/gobject/gtype.c
index f83c1caee..0c530ec9b 100644
--- a/gobject/gtype.c
+++ b/gobject/gtype.c
@@ -286,7 +286,7 @@ struct _IFaceEntry
 };
 
 struct _IFaceEntries {
-  guint offset_index;
+  gsize offset_index;
   IFaceEntry entry[1];
 };
 
@@ -577,7 +577,7 @@ lookup_iface_entry_I (IFaceEntries *entries,
                       TypeNode     *iface_node)
 {
   guint8 *offsets;
-  guint offset_index;
+  gsize offset_index;
   IFaceEntry *check;
   gsize index;
   IFaceEntry *entry;
@@ -1280,7 +1280,7 @@ type_data_ref_U (TypeNode *node)
 
 static gboolean
 iface_node_has_available_offset_L (TypeNode *iface_node,
-                                  int offset,
+                                  gsize offset,
                                   int for_index)
 {
   guint8 *offsets;
@@ -1299,27 +1299,29 @@ iface_node_has_available_offset_L (TypeNode *iface_node,
   return FALSE;
 }
 
-static int
+static gsize
 find_free_iface_offset_L (IFaceEntries *entries)
 {
   IFaceEntry *entry;
   TypeNode *iface_node;
-  int offset;
+  gsize offset;
   int i;
   int n_entries;
 
   n_entries = IFACE_ENTRIES_N_ENTRIES (entries);
-  offset = -1;
+  offset = 0;
   do
     {
-      offset++;
       for (i = 0; i < n_entries; i++)
        {
          entry = &entries->entry[i];
          iface_node = lookup_type_node_I (entry->iface_type);
 
          if (!iface_node_has_available_offset_L (iface_node, offset, i))
-           break;
+            {
+              offset++;
+              break;
+            }
        }
     }
   while (i != n_entries);
@@ -1329,12 +1331,12 @@ find_free_iface_offset_L (IFaceEntries *entries)
 
 static void
 iface_node_set_offset_L (TypeNode *iface_node,
-                        int offset,
+                        gsize offset,
                         int index)
 {
   guint8 *offsets, *old_offsets;
-  int new_size, old_size;
-  int i;
+  gsize new_size, old_size;
+  gsize i;
 
   old_offsets = G_ATOMIC_ARRAY_GET_LOCKED (&iface_node->_prot.offsets, guint8);
   if (old_offsets == NULL)