fix for invalid use of memset when loading tiff images

- memset(..., 1.0); // isnt valid
- memset(pointer, sizeof(pointer)) // was using the sizeof the pointer, not the size of the array, since this was to fill in alpha values it was obviously wrong.

2 files changed, 10 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_math_vector.h b/source/blender/blenlib/BLI_math_vector.h
index 54c06616110..af3df9c9ed2 100644
--- a/source/blender/blenlib/BLI_math_vector.h
+++ b/source/blender/blenlib/BLI_math_vector.h
@@ -228,6 +228,7 @@ void add_vn_vnvn(float *array_tar, const float *array_src_a, const float *array_
 void sub_vn_vn(float *array_tar, const float *array_src, const int size);
 void sub_vn_vnvn(float *array_tar, const float *array_src_a, const float *array_src_b, const int size);
 void fill_vn_i(int *array_tar, const int size, const int val);
+void fill_vn_ushort(unsigned short *array_tar, const int size, const unsigned short val);
 void fill_vn_fl(float *array_tar, const int size, const float val);
 
 #ifdef __cplusplus
diff --git a/source/blender/blenlib/intern/math_vector.c b/source/blender/blenlib/intern/math_vector.c
index 4b3ba7244d4..f734e01943f 100644
--- a/source/blender/blenlib/intern/math_vector.c
+++ b/source/blender/blenlib/intern/math_vector.c
@@ -561,6 +561,15 @@ void fill_vn_i(int *array_tar, const int size, const int val)
 	}
 }
 
+void fill_vn_ushort(unsigned short *array_tar, const int size, const unsigned short val)
+{
+	unsigned short *tar = array_tar + (size - 1);
+	int i = size;
+	while (i--) {
+		*(tar--) = val;
+	}
+}
+
 void fill_vn_fl(float *array_tar, const int size, const float val)
 {
 	float *tar = array_tar + (size - 1);