Re: gdi32/path.c -- Allow PATH_ExtTextOut() handle nonprintablecharacters

[Alexandre Julliard]

Massimo Del Fedele  writes:
> Yep, of course, but we don't need to check for GetGlyphOutlineW()
> correctness (well, not for this case, at least). It IS correct.
> If you ask for buffer size (as done on first call) it returns 0 on
> error AND on unprintable glyphs. The GDI_ERROR value is returned ONLY
> when asking just for metrics or trying to get the glyph data, NOT when
> asking for buffer size (on which GDI_ERROR could be a valid buffer
> size), as well documented on MSDN :
> http://msdn.microsoft.com/en-us/library/dd144891(VS.85).aspx
> (see return value)

GDI_ERROR is clearly not a valid buffer size, and must be checked
for. Please write test cases like Dmitry suggested.