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twhole.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*           Copyright (c) 1999-2007 AT&T Knowledge Ventures            *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                      by AT&T Knowledge Ventures                      *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                                                                      *
***********************************************************************/
#include    "sftest.h"


static int  Count;
static int  Size;

#if __STD_C
ssize_t writef(Sfio_t* f, const Void_t* buf, size_t n, Sfdisc_t* disc)
#else
ssize_t writef(f,buf,n,disc)
Sfio_t*           f;
Void_t*           buf;
size_t            n;
Sfdisc_t*   disc;
#endif
{
      Count += 1;
      if((n % Size) != 0)
            terror("Wrong record size\n");
      return write(sffileno(f),buf,n);
}

Sfdisc_t    Disc = {(Sfread_f)0, writef, (Sfseek_f)0, (Sfexcept_f)0, (Sfdisc_t*)0};

MAIN()
{
      Sfio_t*     f;
      char  buf[550];
      int   i;
      char* s = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";

      Count = 0;
      Size = 52;

      if(!(f = sfopen(NIL(Sfio_t*), tstfile(0), "w")) )
            terror("Opening to write\n");
      sfsetbuf(f,buf,sizeof(buf));
      sfset(f,SF_WHOLE,1);
      sfdisc(f,&Disc);

      for(i = 0; i < 100; ++i)
            if(sfwrite(f,s,52) != 52)
                  terror("sfwrite failed\n");
      sfclose(f);
      if(Count != 10)
            terror("Wrong number of writes1\n");

      Count = 0;
      Size = 53;

      if(!(f = sfopen(NIL(Sfio_t*), tstfile(0),"w")) )
            terror("Opening to write\n");
      sfsetbuf(f,buf,sizeof(buf));
      sfset(f,SF_WHOLE,1);
      sfdisc(f,&Disc);

      for(i = 0; i < 100; ++i)
            if(sfputr(f,s,'\n') != 53)
                  terror("sfputr failed\n");
      sfclose(f);
      if(Count != 10)
            terror("Wrong number of writes2\n");

      TSTEXIT(0);
}

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