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Viewing changes to src/stdio/fwide.c

  • Committer: Package Import Robot
  • Author(s): Kevin Bortis
  • Date: 2013-09-20 20:54:14 UTC
  • Revision ID: package-import@ubuntu.com-20130920205414-5b61trtmma18w58o
Tags: upstream-0.9.13
Import upstream version 0.9.13

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src/stdio/fwide.c
 
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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) mode = f->mode = NORMALIZE(mode);
 
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        FUNLOCK(f);
 
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        return mode;
 
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}