From f1ef14e02375d29a53e5796acc40d0c47dc11dec Mon Sep 17 00:00:00 2001
From: Huw Davies <huw@codeweavers.com>
Date: Thu, 13 Oct 2016 16:52:49 +0100
Subject: [PATCH] include: Add a padding WORD to ensure that wWeight is at the
 correct offset.

This is a bug in MS's C version of these structures.

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
---
 dlls/riched20/tests/editor.c | 43 ++++++++++++++++++++++++++++++++++++
 include/richedit.h           |  2 ++
 2 files changed, 45 insertions(+)

diff --git a/dlls/riched20/tests/editor.c b/dlls/riched20/tests/editor.c
index 88270aa4d53..36e082e4ebc 100644
--- a/dlls/riched20/tests/editor.c
+++ b/dlls/riched20/tests/editor.c
@@ -747,6 +747,7 @@ static void test_EM_SETCHARFORMAT(void)
 {
   HWND hwndRichEdit = new_richedit(NULL);
   CHARFORMAT2A cf2;
+  CHARFORMAT2W cfW;
   int rc = 0;
   int tested_effects[] = {
     CFE_BOLD,
@@ -1196,6 +1197,48 @@ static void test_EM_SETCHARFORMAT(void)
   ok((cf2.dwEffects & CFE_BOLD) == CFE_BOLD,
       "%d, cf2.dwEffects == 0x%08x expected effect 0x%08x\n", i, cf2.dwEffects, CFE_BOLD);
 
+  /* show that wWeight is at the correct offset in CHARFORMAT2A */
+  memset(&cf2, 0, sizeof(cf2));
+  cf2.cbSize = sizeof(cf2);
+  cf2.dwMask = CFM_WEIGHT;
+  cf2.wWeight = 100;
+  SendMessageA(hwndRichEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf2);
+  memset(&cf2, 0, sizeof(cf2));
+  cf2.cbSize = sizeof(cf2);
+  SendMessageA(hwndRichEdit, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf2);
+  ok(cf2.wWeight == 100, "got %d\n", cf2.wWeight);
+
+  memset(&cf2, 0, sizeof(cf2));
+  cf2.cbSize = sizeof(cf2);
+  cf2.dwMask = CFM_SPACING;
+  cf2.sSpacing = 10;
+  SendMessageA(hwndRichEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf2);
+  memset(&cf2, 0, sizeof(cf2));
+  cf2.cbSize = sizeof(cf2);
+  SendMessageA(hwndRichEdit, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM)&cf2);
+  ok(cf2.sSpacing == 10, "got %d\n", cf2.sSpacing);
+
+  /* show that wWeight is at the correct offset in CHARFORMAT2W */
+  memset(&cfW, 0, sizeof(cfW));
+  cfW.cbSize = sizeof(cfW);
+  cfW.dwMask = CFM_WEIGHT;
+  cfW.wWeight = 100;
+  SendMessageA(hwndRichEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cfW);
+  memset(&cfW, 0, sizeof(cfW));
+  cfW.cbSize = sizeof(cfW);
+  SendMessageA(hwndRichEdit, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM)&cfW);
+  ok(cfW.wWeight == 100, "got %d\n", cfW.wWeight);
+
+  memset(&cfW, 0, sizeof(cfW));
+  cfW.cbSize = sizeof(cfW);
+  cfW.dwMask = CFM_SPACING;
+  cfW.sSpacing = 10;
+  SendMessageA(hwndRichEdit, EM_SETCHARFORMAT, SCF_SELECTION, (LPARAM)&cfW);
+  memset(&cfW, 0, sizeof(cfW));
+  cfW.cbSize = sizeof(cfW);
+  SendMessageA(hwndRichEdit, EM_GETCHARFORMAT, SCF_SELECTION, (LPARAM)&cfW);
+  ok(cfW.sSpacing == 10, "got %d\n", cfW.sSpacing);
+
   DestroyWindow(hwndRichEdit);
 }
 
diff --git a/include/richedit.h b/include/richedit.h
index f0ae57e47b6..63221e2d9e8 100644
--- a/include/richedit.h
+++ b/include/richedit.h
@@ -287,6 +287,7 @@ typedef struct _charformat2a {
     BYTE       bCharSet;
     BYTE       bPitchAndFamily;
     char       szFaceName[LF_FACESIZE];
+    WORD       pad; /* Not in MS's C version, but needed to ensure that wWeight is at the correct offset to match the C++ version */
     WORD       wWeight;
     SHORT      sSpacing;
     COLORREF   crBackColor;
@@ -309,6 +310,7 @@ typedef struct _charformat2w {
     BYTE       bCharSet;
     BYTE       bPitchAndFamily;
     WCHAR      szFaceName[LF_FACESIZE];
+    WORD       pad; /* Not in MS's C version, but needed to ensure that wWeight is at the correct offset to match the C++ version */
     WORD       wWeight;
     SHORT      sSpacing;
     COLORREF   crBackColor;