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authorRich Felker <dalias@aerifal.cx>2018-08-28 19:22:13 -0400
committerRich Felker <dalias@aerifal.cx>2018-08-28 20:01:25 -0400
commitb152d575fdde1b4173afb4cade55f35b6b2e9128 (patch)
treecc94ef2a9e107e2bc4a741eb901462d2d5973b20 /src/stdio/fwide.c
parentf66022dda8d18e6732626c7806f6c4d32023d574 (diff)
downloadmusl-b152d575fdde1b4173afb4cade55f35b6b2e9128.tar.gz
set stream orientations in open_[w]memstream
fundamentally there is no good reason these functions need to set an orientation (morally it should be possible to write a wchar_t[] memory stream using byte functions, or a char[] memory stream using wide functions), but it's a part of the specification that they do. aside from being able to inspect the orientation with fwide, failure to set the orientation in open_wmemstream is observable if the locale changes between open_wmemstream and the first operation on the stream; this is because the encoding rule (locale) for the stream is required to be bound at the time the stream becomes wide-oriented. for open_wmemstream, call fwide to avoid duplicating the logic for binding the encoding rule. for open_memstream it suffices just to set the mode field in the FILE struct.
Diffstat (limited to 'src/stdio/fwide.c')
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