From d59b4752e432aa1188fe9082a99d3aa6f6d59ab1 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Mon, 2 Sep 2013 02:58:53 +0000
Subject: [PATCH] add hash iterator functions to access the pointer to the
 value.

---
 source/blender/blenlib/BLI_edgehash.h     |  1 +
 source/blender/blenlib/BLI_ghash.h        |  1 +
 source/blender/blenlib/intern/BLI_ghash.c | 12 ++++++++++++
 source/blender/blenlib/intern/edgehash.c  |  8 ++++++++
 4 files changed, 22 insertions(+)

diff --git a/source/blender/blenlib/BLI_edgehash.h b/source/blender/blenlib/BLI_edgehash.h
index 5a5ea5ca3be..510d881f26d 100644
--- a/source/blender/blenlib/BLI_edgehash.h
+++ b/source/blender/blenlib/BLI_edgehash.h
@@ -62,6 +62,7 @@ EdgeHashIterator   *BLI_edgehashIterator_new(EdgeHash *eh) ATTR_MALLOC ATTR_WARN
 void                BLI_edgehashIterator_free(EdgeHashIterator *ehi);
 void                BLI_edgehashIterator_getKey(EdgeHashIterator *ehi, unsigned int *v0_r, unsigned int *v1_r);
 void               *BLI_edgehashIterator_getValue(EdgeHashIterator *ehi) ATTR_WARN_UNUSED_RESULT;
+void              **BLI_edgehashIterator_getValue_p(EdgeHashIterator *ehi) ATTR_WARN_UNUSED_RESULT;
 void                BLI_edgehashIterator_setValue(EdgeHashIterator *ehi, void *val);
 void                BLI_edgehashIterator_step(EdgeHashIterator *ehi);
 bool                BLI_edgehashIterator_isDone(EdgeHashIterator *ehi) ATTR_WARN_UNUSED_RESULT;
diff --git a/source/blender/blenlib/BLI_ghash.h b/source/blender/blenlib/BLI_ghash.h
index 17ad47aa871..e5a93691ad0 100644
--- a/source/blender/blenlib/BLI_ghash.h
+++ b/source/blender/blenlib/BLI_ghash.h
@@ -86,6 +86,7 @@ void           BLI_ghashIterator_free(GHashIterator *ghi);
 
 void          *BLI_ghashIterator_getKey(GHashIterator *ghi) ATTR_WARN_UNUSED_RESULT;
 void          *BLI_ghashIterator_getValue(GHashIterator *ghi) ATTR_WARN_UNUSED_RESULT;
+void         **BLI_ghashIterator_getValue_p(GHashIterator *ghi) ATTR_WARN_UNUSED_RESULT;
 
 void           BLI_ghashIterator_step(GHashIterator *ghi);
 bool           BLI_ghashIterator_done(GHashIterator *ghi) ATTR_WARN_UNUSED_RESULT;
diff --git a/source/blender/blenlib/intern/BLI_ghash.c b/source/blender/blenlib/intern/BLI_ghash.c
index 750202c509d..7b50e9012a8 100644
--- a/source/blender/blenlib/intern/BLI_ghash.c
+++ b/source/blender/blenlib/intern/BLI_ghash.c
@@ -601,6 +601,18 @@ void *BLI_ghashIterator_getValue(GHashIterator *ghi)
 	return ghi->curEntry ? ghi->curEntry->val : NULL;
 }
 
+/**
+ * Retrieve the value from an iterator.
+ *
+ * \param ghi The iterator.
+ * \return The value at the current index, or NULL if the
+ * iterator is done.
+ */
+void **BLI_ghashIterator_getValue_p(GHashIterator *ghi)
+{
+	return ghi->curEntry ? &ghi->curEntry->val : NULL;
+}
+
 /**
  * Steps the iterator to the next index.
  *
diff --git a/source/blender/blenlib/intern/edgehash.c b/source/blender/blenlib/intern/edgehash.c
index 967b59cf25d..b26e007b3e6 100644
--- a/source/blender/blenlib/intern/edgehash.c
+++ b/source/blender/blenlib/intern/edgehash.c
@@ -483,6 +483,14 @@ void *BLI_edgehashIterator_getValue(EdgeHashIterator *ehi)
 	return ehi->curEntry ? ehi->curEntry->val : NULL;
 }
 
+/**
+ * Retrieve the pointer to the value from an iterator.
+ */
+void **BLI_edgehashIterator_getValue_p(EdgeHashIterator *ehi)
+{
+	return ehi->curEntry ? &ehi->curEntry->val : NULL;
+}
+
 /**
  * Set the value for an iterator.
  */