Signed-off-by: Gijs Vermeulen <gijsvrm@gmail.com>
---
 dlls/avrt/avrt.spec |  4 +--
 dlls/avrt/main.c    | 86 ++++++++++++++++++++++++++++++++++++---------
 include/avrt.h      |  2 +-
 3 files changed, 72 insertions(+), 20 deletions(-)

diff --git a/dlls/avrt/avrt.spec b/dlls/avrt/avrt.spec
index a7dfc42879c..0a05abcdbca 100644
--- a/dlls/avrt/avrt.spec
+++ b/dlls/avrt/avrt.spec
@@ -7,8 +7,8 @@
 @ stub AvRtJoinThreadOrderingGroup
 @ stub AvRtLeaveThreadOrderingGroup
 @ stub AvRtWaitOnThreadOrderingGroup
-@ stub AvSetMmMaxThreadCharacteristicsA
-@ stub AvSetMmMaxThreadCharacteristicsW
+@ stdcall AvSetMmMaxThreadCharacteristicsA(str str ptr)
+@ stdcall AvSetMmMaxThreadCharacteristicsW(wstr wstr ptr)
 @ stdcall AvSetMmThreadCharacteristicsA(str ptr)
 @ stdcall AvSetMmThreadCharacteristicsW(wstr ptr)
 @ stdcall AvSetMmThreadPriority(ptr long)
diff --git a/dlls/avrt/main.c b/dlls/avrt/main.c
index eb5704cc508..258c525e198 100644
--- a/dlls/avrt/main.c
+++ b/dlls/avrt/main.c
@@ -23,10 +23,21 @@
 #include "winbase.h"
 #include "winnls.h"
 #include "wine/debug.h"
+#include "wine/heap.h"
 #include "avrt.h"

 WINE_DEFAULT_DEBUG_CHANNEL(avrt);

+static inline WCHAR *heap_strdupAW(const char *src)
+{
+    int len;
+    WCHAR *dst;
+    if (!src) return NULL;
+    len = MultiByteToWideChar(CP_ACP, 0, src, -1, NULL, 0);
+    if ((dst = heap_alloc(len * sizeof(*dst)))) MultiByteToWideChar(CP_ACP, 0, src, -1, dst, len);
+    return dst;
+}
+
 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
 {
     TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
@@ -43,41 +54,39 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
     return TRUE;
 }

-HANDLE WINAPI AvSetMmThreadCharacteristicsA(LPCSTR TaskName, LPDWORD TaskIndex)
+HANDLE WINAPI AvSetMmThreadCharacteristicsA(const char *name, DWORD *index)
 {
+    WCHAR *nameW = NULL;
     HANDLE ret;
-    LPWSTR str = NULL;

-    if (TaskName)
+    if (name && !(nameW = heap_strdupAW(name)))
     {
-        DWORD len = (lstrlenA(TaskName)+1);
-        str = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
-        if (!str)
-        {
-            SetLastError(ERROR_OUTOFMEMORY);
-            return NULL;
-        }
-        MultiByteToWideChar(CP_ACP, 0, TaskName, len, str, len);
+        SetLastError(ERROR_OUTOFMEMORY);
+        return NULL;
     }
-    ret = AvSetMmThreadCharacteristicsW(str, TaskIndex);
-    HeapFree(GetProcessHeap(), 0, str);
+
+    ret = AvSetMmThreadCharacteristicsW(nameW, index);
+
+    heap_free(nameW);
     return ret;
 }

-HANDLE WINAPI AvSetMmThreadCharacteristicsW(LPCWSTR TaskName, LPDWORD TaskIndex)
+HANDLE WINAPI AvSetMmThreadCharacteristicsW(const WCHAR *name, DWORD *index)
 {
-    FIXME("(%s,%p): stub\n", debugstr_w(TaskName), TaskIndex);
+    FIXME("(%s,%p): stub\n", debugstr_w(name), index);

-    if (!TaskName)
+    if (!name)
     {
         SetLastError(ERROR_INVALID_TASK_NAME);
         return NULL;
     }
-    if (!TaskIndex)
+
+    if (!index)
     {
         SetLastError(ERROR_INVALID_HANDLE);
         return NULL;
     }
+
     return (HANDLE)0x12345678;
 }

@@ -98,3 +107,46 @@ BOOL WINAPI AvSetMmThreadPriority(HANDLE AvrtHandle, AVRT_PRIORITY prio)
     FIXME("(%p)->(%u) stub\n", AvrtHandle, prio);
     return TRUE;
 }
+
+HANDLE WINAPI AvSetMmMaxThreadCharacteristicsA(const char *task1, const char *task2, DWORD *index)
+{
+    WCHAR *task1W = NULL, *task2W = NULL;
+    HANDLE ret;
+
+    if (task1 && !(task1W = heap_strdupAW(task1)))
+    {
+        SetLastError(ERROR_OUTOFMEMORY);
+        return NULL;
+    }
+
+    if (task2 && !(task2W = heap_strdupAW(task2)))
+    {
+        SetLastError(ERROR_OUTOFMEMORY);
+        return NULL;
+    }
+
+    ret = AvSetMmMaxThreadCharacteristicsW(task1W, task2W, index);
+
+    heap_free(task2W);
+    heap_free(task1W);
+    return ret;
+}
+
+HANDLE WINAPI AvSetMmMaxThreadCharacteristicsW(const WCHAR *task1, const WCHAR *task2, DWORD *index)
+{
+    FIXME("(%s,%s,%p): stub\n", debugstr_w(task1), debugstr_w(task2), index);
+
+    if (!task1 || task2)
+    {
+        SetLastError(ERROR_INVALID_TASK_NAME);
+        return NULL;
+    }
+
+    if (!index)
+    {
+        SetLastError(ERROR_INVALID_HANDLE);
+        return NULL;
+    }
+
+    return (HANDLE)0x12345678;
+}
diff --git a/include/avrt.h b/include/avrt.h
index 9d12c1b5b1b..88beebb0bf8 100644
--- a/include/avrt.h
+++ b/include/avrt.h
@@ -43,7 +43,7 @@ HANDLE WINAPI AvSetMmThreadCharacteristicsW(LPCWSTR TaskName, LPDWORD TaskIndex)
 #define AvSetMmThreadCharacteristics WINELIB_NAME_AW(AvSetMmThreadCharacteristics)

 HANDLE WINAPI AvSetMmMaxThreadCharacteristicsA(LPCSTR FirstTask, LPCSTR SecondTask, LPDWORD TaskIndex);
-HANDLE WINAPI AvSetMmMaxThreadCharacteristicsW(LPCSTR FirstTask, LPCSTR SecondTask, LPDWORD TaskIndex);
+HANDLE WINAPI AvSetMmMaxThreadCharacteristicsW(LPCWSTR FirstTask, LPCWSTR SecondTask, LPDWORD TaskIndex);
 #define AvSetMmMaxThreadCharacteristics WINELIB_NAME_AW(AvSetMmMaxThreadCharacteristics)

 BOOL WINAPI AvRevertMmThreadCharacteristics(HANDLE AvrtHandle);
--
2.29.2