[PATCH v2 1/4] advapi32: Set last error directly in GetUserName.

[Gijs Vermeulen]

Signed-off-by: Gijs Vermeulen <gijsvrm at gmail.com>
---
 dlls/advapi32/advapi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/advapi32/advapi.c b/dlls/advapi32/advapi.c
index cfd79e02af..735b1db7c3 100644
--- a/dlls/advapi32/advapi.c
+++ b/dlls/advapi32/advapi.c
@@ -48,6 +48,7 @@ BOOL WINAPI GetUserNameA( LPSTR name, LPDWORD size )
     BOOL ret;
 
     if (!len) return FALSE;
+    if (len > *size) SetLastError(ERROR_INSUFFICIENT_BUFFER);
     if ((ret = (len < *size))) len++;
     *size = len;
     return ret;
@@ -63,6 +64,7 @@ BOOL WINAPI GetUserNameW( LPWSTR name, LPDWORD size )
     BOOL ret;
 
     if (!len) return FALSE;
+    if (len > *size) SetLastError(ERROR_INSUFFICIENT_BUFFER);
     if ((ret = (len < *size))) len++;
     *size = len;
     return ret;
-- 
2.26.2