Rich Felker
ebd8142a6a
when the orientation of the stream was already set, fwide was incorrectly returning its argument (the requested orientation) rather than the actual orientation of the stream.
15 lines
251 B
C
15 lines
251 B
C
#include <wchar.h>
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#include "stdio_impl.h"
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#define SH (8*sizeof(int)-1)
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#define NORMALIZE(x) ((x)>>SH | -((-(x))>>SH))
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int fwide(FILE *f, int mode)
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{
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FLOCK(f);
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if (!f->mode) f->mode = NORMALIZE(mode);
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mode = f->mode;
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FUNLOCK(f);
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return mode;
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}
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