On 32-bit systems, gsize is an int but size_t is a (32-bit) long. This
discrepancy results in compilation errors when attempting to interchange their
pointers. The patch below changes gsize to size_t, and vice versa, depending
on the surrounding context.

For a complete discussion, see:

https://gitlab.gnome.org/GNOME/gjs/-/merge_requests/680

--- gi/arg.cpp.orig
+++ gi/arg.cpp
@@ -1267,7 +1267,7 @@
                                      GITransfer       transfer,
                                      bool             may_be_null,
                                      gpointer        *contents,
-                                     gsize           *length_p)
+                                     size_t          *length_p)
 {
     bool ret = false;
     GITypeInfo *param_info;
@@ -1960,7 +1960,7 @@
 
     case GI_TYPE_TAG_ARRAY: {
         gpointer data;
-        gsize length;
+        size_t length;
         GIArrayType array_type = g_type_info_get_array_type(type_info);
 
         /* First, let's handle the case where we're passed an instance
--- gi/function.cpp.orig
+++ gi/function.cpp
@@ -831,12 +831,12 @@
         GjsAutoChar name = format_function_name(function, is_method);
         JS_ReportWarningUTF8(context, "Too many arguments to %s: expected %d, "
                              "got %" G_GSIZE_FORMAT, name.get(),
-                             function->expected_js_argc, args.length());
+                             function->expected_js_argc, (gsize)args.length());
     } else if (args.length() < function->expected_js_argc) {
         GjsAutoChar name = format_function_name(function, is_method);
         gjs_throw(context, "Too few arguments to %s: "
                   "expected %d, got %" G_GSIZE_FORMAT,
-                  name.get(), function->expected_js_argc, args.length());
+                  name.get(), function->expected_js_argc, (gsize)args.length());
         return false;
     }
 
@@ -991,7 +991,7 @@
                 GIArgInfo array_length_arg;
 
                 gint array_length_pos = g_type_info_get_array_length(&ainfo);
-                gsize length;
+                size_t length;
 
                 if (!gjs_value_to_explicit_array(context, args[js_arg_pos],
                                                  &arg_info, in_value, &length)) {
@@ -1239,7 +1239,7 @@
                     arg->v_pointer = NULL;
                 }
             } else if (param_type == PARAM_ARRAY) {
-                gsize length;
+                size_t length;
                 GIArgInfo array_length_arg;
                 GITypeInfo array_length_type;
                 gint array_length_pos = g_type_info_get_array_length(&arg_type_info);
--- gjs/byteArray.cpp.orig
+++ gjs/byteArray.cpp
@@ -269,7 +269,7 @@
 
     gbytes = (GBytes*) gjs_c_struct_from_boxed(context, bytes_obj);
 
-    size_t len;
+    gsize len;
     const void* data = g_bytes_get_data(gbytes, &len);
     JS::RootedObject array_buffer(
         context,
--- gjs/context.cpp.orig
+++ gjs/context.cpp
@@ -994,7 +994,7 @@
                       GError       **error)
 {
     char *script;
-    size_t script_len;
+    gsize script_len;
     GjsAutoUnref<GFile> file = g_file_new_for_commandline_arg(filename);
 
     if (!g_file_load_contents(file, nullptr, &script, &script_len, nullptr,
--- gjs/module.cpp.orig
+++ gjs/module.cpp
@@ -145,7 +145,7 @@
     {
         GError *error = nullptr;
         char *unowned_script;
-        size_t script_len = 0;
+        gsize script_len = 0;
 
         if (!(g_file_load_contents(file, nullptr, &unowned_script, &script_len,
                                    nullptr, &error)))