[gimp] libgimpbase: new gimp_parasite_get_data().

[Jehan <jehanp src gnome org>]

commit 3e25ea532e092b61a0b3215d90faa5296d582214
Author: Jehan <jehan girinstud io>
Date:   Wed Apr 22 14:49:33 2020 +0200

    libgimpbase: new gimp_parasite_get_data().

 libgimpbase/gimpparasite.c | 24 ++++++++++++++++++++++++
 libgimpbase/gimpparasite.h |  2 ++
 2 files changed, 26 insertions(+)
---
diff --git a/libgimpbase/gimpparasite.c b/libgimpbase/gimpparasite.c
index cd4cf43dfd..acdf2f4a6b 100644
--- a/libgimpbase/gimpparasite.c
+++ b/libgimpbase/gimpparasite.c
@@ -443,3 +443,27 @@ gimp_parasite_data_size (const GimpParasite *parasite)
 
   return 0;
 }
+
+/**
+ * gimp_parasite_get_data:
+ * @parasite: a #GimpParasite
+ * @num_bytes: (out): size of the returned data.
+ *
+ * Gets the parasite's data. It may not necessarily be text, nor is it
+ * guaranteed to be %NULL-terminated. It is your responsibility to know
+ * how to deal with this data.
+ *
+ * Returns: (array length=num_bytes) (element-type char): parasite's data.
+ */
+gconstpointer
+gimp_parasite_get_data (const GimpParasite *parasite,
+                        gint               *num_bytes)
+{
+  if (parasite)
+    {
+      *num_bytes = parasite->size;
+      return parasite->data;
+    }
+
+  return NULL;
+}
diff --git a/libgimpbase/gimpparasite.h b/libgimpbase/gimpparasite.h
index 0d550ba3ec..25ba74be56 100644
--- a/libgimpbase/gimpparasite.h
+++ b/libgimpbase/gimpparasite.h
@@ -109,6 +109,8 @@ const gchar  * gimp_parasite_name          (const GimpParasite *parasite);
 gconstpointer  gimp_parasite_data          (const GimpParasite *parasite);
 glong          gimp_parasite_data_size     (const GimpParasite *parasite);
 
+gconstpointer  gimp_parasite_get_data      (const GimpParasite *parasite,
+                                            gint               *num_bytes);
 
 G_END_DECLS