Add glib-2.20.5 with patches to make GMarkup quicker. Should have quite some good affect on login speed

1 files changed, 108 insertions, 0 deletions

diff --git a/dev-libs/glib/files/GMarkup-fix-optimization-regression.patch b/dev-libs/glib/files/GMarkup-fix-optimization-regression.patch
new file mode 100644
index 0000000..2f5b7b2
--- /dev/null
+++ b/dev-libs/glib/files/GMarkup-fix-optimization-regression.patch
@@ -0,0 +1,108 @@
+From 059ec81c9e88ee5ec67aafd135714754ea5b9552 Mon Sep 17 00:00:00 2001
+From: Michael Meeks <michael.meeks@novell.com>
+Date: Tue, 9 Jun 2009 11:31:42 +0100
+Subject: [PATCH] move start_element emission out into a new (inlined) function, so
+ the alloca'd memory is released on return, rather than slowly blowing
+ the stack.
+
+---
+ glib/gmarkup.c |   76 +++++++++++++++++++++++++++++++-------------------------
+ 1 files changed, 42 insertions(+), 34 deletions(-)
+
+diff --git a/glib/gmarkup.c b/glib/gmarkup.c
+index 35118ad..bb8165b 100644
+--- a/glib/gmarkup.c
++++ b/glib/gmarkup.c
+@@ -891,6 +891,47 @@ clear_attributes (GMarkupParseContext *context)
+   g_assert (context->attr_values == NULL ||
+ 	    context->attr_values[0] == NULL);
+ }
++
++/* This has to be a separate function to ensure the alloca's
++   are unwound on exit - otherwise we grow & blow the stack
++   with large documents */
++static inline void
++emit_start_element (GMarkupParseContext *context, GError **error)
++{
++  int i;
++  const gchar *start_name;
++  const gchar **attr_names;
++  const gchar **attr_values;
++  GError *tmp_error;
++  
++  attr_names = g_newa (const gchar *, context->cur_attr + 2);
++  attr_values = g_newa (const gchar *, context->cur_attr + 2);
++  for (i = 0; i < context->cur_attr + 1; i++)
++    {
++      attr_names[i] = context->attr_names[i]->str;
++      attr_values[i] = context->attr_values[i]->str;
++    }
++  attr_names[i] = NULL;
++  attr_values[i] = NULL;
++  
++  /* Call user callback for element start */
++  tmp_error = NULL;
++  start_name = current_element (context);
++  
++  if (context->parser->start_element &&
++      name_validate (context, start_name, error))
++    (* context->parser->start_element) (context,
++					start_name,
++					(const gchar **)attr_names,
++					(const gchar **)attr_values,
++					context->user_data,
++					&tmp_error);
++  clear_attributes (context);
++  
++  if (tmp_error != NULL)
++    propagate_error (context, error, tmp_error);
++}
++
+ /**
+  * g_markup_parse_context_parse:
+  * @context: a #GMarkupParseContext
+@@ -1217,40 +1258,7 @@ g_markup_parse_context_parse (GMarkupParseContext *context,
+                */
+               if (context->state == STATE_AFTER_ELISION_SLASH ||
+                   context->state == STATE_AFTER_CLOSE_ANGLE)
+-                {
+-		  int i;
+-		  const gchar *start_name;
+-                  const gchar **attr_names;
+-                  const gchar **attr_values;
+-                  GError *tmp_error;
+-
+-		  attr_names = g_newa (const gchar *, context->cur_attr + 2);
+-		  attr_values = g_newa (const gchar *, context->cur_attr + 2);
+-		  for (i = 0; i < context->cur_attr + 1; i++)
+-		    {
+-		      attr_names[i] = context->attr_names[i]->str;
+-		      attr_values[i] = context->attr_values[i]->str;
+-		    }
+-		  attr_names[i] = NULL;
+-		  attr_values[i] = NULL;
+-
+-                  /* Call user callback for element start */
+-                  tmp_error = NULL;
+-		  start_name = current_element (context);
+-
+-                  if (context->parser->start_element &&
+-		      name_validate (context, start_name, error))
+-                    (* context->parser->start_element) (context,
+-							start_name,
+-                                                        (const gchar **)attr_names,
+-                                                        (const gchar **)attr_values,
+-                                                        context->user_data,
+-                                                        &tmp_error);
+-		  clear_attributes (context);
+-                  
+-                  if (tmp_error != NULL)
+-                    propagate_error (context, error, tmp_error);
+-                }
++		emit_start_element (context, error);
+             }
+           break;
+ 
+-- 
+1.6.1.3
+