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move start_element emission out into a new (inlined) function, so

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the alloca'd memory is released on return, rather than slowly blowing
the stack.
This commit is contained in:
Michael Meeks
2009-06-09 11:31:42 +01:00
parent ced88fd0de
commit 059ec81c9e
1 changed files with 42 additions and 34 deletions
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76
glib/gmarkup.c
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@@ -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;