[lasem] introspection: some fix for better python bindings

[Emmanuel Pacaud <emmanuel src gnome org>]

commit b794412192df384eecbc68919ffeee03350f780e
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Thu Feb 15 11:29:49 2018 +0100

    introspection: some fix for better python bindings
    
    https://bugzilla.gnome.org/show_bug.cgi?id=793482

 src/lasemrender.c  |    4 ++--
 src/lsmdomparser.c |   14 +++++++-------
 src/lsmdomparser.h |    6 +++---
 src/lsmdomview.c   |   12 ++++++------
 4 files changed, 18 insertions(+), 18 deletions(-)
---
diff --git a/src/lasemrender.c b/src/lasemrender.c
index 8d769d8..63f0596 100644
--- a/src/lasemrender.c
+++ b/src/lasemrender.c
@@ -269,13 +269,13 @@ main(int argc, char **argv)
 
        if (document != NULL) {
                if (lsm_debug_check (&lsm_debug_category_dom, LSM_DEBUG_LEVEL_LOG)) {
-                       void *buffer;
+                       char *buffer;
                        gsize size;
 
                        lsm_dom_document_save_to_memory (document, &buffer, &size, NULL);
 
                        if (buffer != NULL) {
-                               printf ("%*s\n", (int) size, (char *) buffer);
+                               printf ("%*s\n", (int) size, buffer);
                                g_free (buffer);
                        }
                }
diff --git a/src/lsmdomparser.c b/src/lsmdomparser.c
index 5d0fe9d..b2e9e12 100644
--- a/src/lsmdomparser.c
+++ b/src/lsmdomparser.c
@@ -259,7 +259,7 @@ typedef enum {
 
 static LsmDomDocument *
 _parse_memory (LsmDomDocument *document, LsmDomNode *node,
-              const void *buffer, gssize size, GError **error)
+              const char *buffer, gssize size, GError **error)
 {
        static LsmDomSaxParserState state;
 
@@ -304,7 +304,7 @@ _parse_memory (LsmDomDocument *document, LsmDomNode *node,
 
 void
 lsm_dom_document_append_from_memory (LsmDomDocument *document, LsmDomNode *node,
-                                    const void *buffer, gssize size, GError **error)
+                                    const char *buffer, gssize size, GError **error)
 {
        g_return_if_fail (LSM_IS_DOM_DOCUMENT (document));
        g_return_if_fail (LSM_IS_DOM_NODE (node) || node == NULL);
@@ -323,11 +323,11 @@ lsm_dom_document_append_from_memory (LsmDomDocument *document, LsmDomNode *node,
  */
 
 LsmDomDocument *
-lsm_dom_document_new_from_memory (const void *buffer, gssize size, GError **error)
+lsm_dom_document_new_from_memory (const char *buffer, gssize size, GError **error)
 {
        g_return_val_if_fail (buffer != NULL, NULL);
 
-       return _parse_memory (NULL, NULL, buffer, size, error); 
+       return _parse_memory (NULL, NULL, buffer, size, error);
 }
 
 /**
@@ -432,15 +432,15 @@ lsm_dom_document_save_to_stream (LsmDomDocument *document, GOutputStream *stream
 /**
  * lsm_dom_document_save_to_memory:
  * @document: a #LsmDomDocument
- * @buffer: placeholder for a pointer to the resulting data buffer
- * @size: placeholder for the data size
+ * @buffer: (out callee-allocates): placeholder for a pointer to the resulting data buffer
+ * @size: (out) (optional): placeholder for the data size
  * @error: placeholder for a #GError
  *
  * Save @document as an xml representation into @buffer.
  */
 
 void
-lsm_dom_document_save_to_memory        (LsmDomDocument *document, void **buffer, gsize *size, GError **error)
+lsm_dom_document_save_to_memory        (LsmDomDocument *document, char **buffer, gsize *size, GError **error)
 {
        GOutputStream *stream;
 
diff --git a/src/lsmdomparser.h b/src/lsmdomparser.h
index 28cfb34..bd1c9ed 100644
--- a/src/lsmdomparser.h
+++ b/src/lsmdomparser.h
@@ -30,8 +30,8 @@
 G_BEGIN_DECLS
 
 void                   lsm_dom_document_append_from_memory     (LsmDomDocument *document, LsmDomNode *node,
-                                                                const void *buffer, gssize size, GError 
**error);
-LsmDomDocument *       lsm_dom_document_new_from_memory        (const void *buffer, gssize size, GError 
**error);
+                                                                const char *buffer, gssize size, GError 
**error);
+LsmDomDocument *       lsm_dom_document_new_from_memory        (const char *buffer, gssize size, GError 
**error);
 LsmDomDocument *       lsm_dom_document_new_from_path          (const char *path, GError **error);
 LsmDomDocument *       lsm_dom_document_new_from_url           (const char *url, GError **error);
 
@@ -39,7 +39,7 @@ void                  lsm_dom_document_save_to_stream         (LsmDomDocument *document,
                                                                 GOutputStream *stream,
                                                                 GError **error);
 void                   lsm_dom_document_save_to_memory         (LsmDomDocument *document,
-                                                                void **buffer,
+                                                                char **buffer,
                                                                 gsize *size,
                                                                 GError **error);
 void                   lsm_dom_document_save_to_path           (LsmDomDocument *document,
diff --git a/src/lsmdomview.c b/src/lsmdomview.c
index ed0d03f..566cdef 100644
--- a/src/lsmdomview.c
+++ b/src/lsmdomview.c
@@ -145,9 +145,9 @@ lsm_dom_view_get_viewport_pixels (LsmDomView *self)
 /**
  * lsm_dom_view_get_size:
  * @view: a #LsmDomView
- * @width: view width placeholder, in points
- * @height: view height placeholder, in points
- * @baseline: view baseline, in points
+ * @width: (out) (optional): view width placeholder, in points
+ * @height: (out) (optional): view height placeholder, in points
+ * @baseline: (out) (optional): view baseline, in points
  *
  * Get the view size and baseline. Baseline is for use of view inside bloc of text.
  */
@@ -175,9 +175,9 @@ lsm_dom_view_get_size (LsmDomView *view, double *width, double *height, double *
 /**
  * lsm_dom_view_get_size_pixels:
  * @view: a #LsmDomView
- * @width: view width placeholder, in pixels
- * @height: view height placeholder, in pixels
- * @baseline: view baseline, in pixels
+ * @width: (out) (optional): view width placeholder, in pixels
+ * @height: (out) (optional): view height placeholder, in pixels
+ * @baseline: (out) (optional): view baseline, in pixels
  *
  * Get the view size and baseline. Baseline is for use of view inside bloc of text.
  */