msvcp90: Use 'MultiByteToWideChar' in _Fiopen implementation.

Based on a patch by Yeshun Ye.

msvcp90: Use 'MultiByteToWideChar' in _Fiopen implementation.
8c46e2a8 · Piotr Caban · Alexandre Julliard · fb54c4e0 · 8c46e2a8
Commit 8c46e2a8 authored Aug 09, 2022 by Piotr Caban Committed by Alexandre Julliard Aug 15, 2022
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ios.c dlls/msvcp90/ios.c +5 -0

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--- a/dlls/msvcp90/ios.c
+++ b/dlls/msvcp90/ios.c
@@ -3262,8 +3262,13 @@ FILE* __cdecl _Fiopen(const char *name, int mode, int prot)

    TRACE("(%s %d %d)\n", name, mode, prot);

+#if _MSVCP_VER >= 71 && _MSVCP_VER <= 90
    if(mbstowcs_s(NULL, nameW, FILENAME_MAX, name, FILENAME_MAX-1) != 0)
        return NULL;
+#else
+    if(!MultiByteToWideChar(CP_ACP, 0, name, -1, nameW, FILENAME_MAX-1))
+        return NULL;
+#endif
    return _Fiopen_wchar(nameW, mode, prot);
 }