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  • 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
ImportĀ upstreamĀ versionĀ 0.9.13

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#include "stdio_impl.h"
 
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int ungetc(int c, FILE *f)
 
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{
 
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        if (c == EOF) return c;
 
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        FLOCK(f);
 
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        if ((!f->rend && __toread(f)) || f->rpos <= f->buf - UNGET) {
 
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                FUNLOCK(f);
 
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                return EOF;
 
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        }
 
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        *--f->rpos = c;
 
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        f->flags &= ~F_EOF;
 
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        FUNLOCK(f);
 
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        return c;
 
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}