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tappend.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"

MAIN()
{
      Sfio_t      *f1, *f2;
      char* s;
      Sfoff_t     p;
      char  buf[1024];
      int   r, w;

      if(!(f1 = sfopen(NIL(Sfio_t*), tstfile(0), "w")) )
            terror("Can't open f1\n");
      if(!(f1 = sfopen(f1, tstfile(0), "a+")) )
            terror("Can't open f1\n");

      if(!(f2 = sfopen(NIL(Sfio_t*), tstfile(0), "a+")) )
            terror("Can't open f2\n");

      if(sfwrite(f1,"012345678\n",10) != 10 || sfsync(f1) < 0)
            terror("Writing to f1\n");
      if((p = sftell(f1)) != 10)
            terror("Bad sftell1 %ld\n",p);

      if(sfwrite(f2,"abcdefghi\n",10) != 10 || sfsync(f2) < 0)
            terror("Writing to f2\n");
      if((p = sftell(f2)) != 20)
            terror("Bad sftell2\n");

      if((p = sfseek(f1,(Sfoff_t)0,0)) != 0)
            terror("Bad seek\n");
      if(!(s = sfgetr(f1,'\n',1)) )
            terror("Bad getr1\n");
      if(strcmp(s,"012345678") != 0)
            terror("Bad input1\n");

      if((p = sftell(f1)) != 10)
            terror("Bad sftell3\n");

      if(sfwrite(f1,"012345678\n",10) != 10 || sfsync(f1) < 0)
            terror("Writing to f1\n");
      if((p = sftell(f1)) != 30)
            terror("Bad sftell4\n");

      if((p = sfseek(f2,(Sfoff_t)10,0)) != 10)
            terror("Bad seek\n");
      if(!(s = sfgetr(f2,'\n',1)) )
            terror("Bad getr2\n");
      if(strcmp(s,"abcdefghi") != 0)
            terror("Bad input2\n");

      if(!(s = sfgetr(f2,'\n',1)) )
            terror("Bad getr3\n");
      if(strcmp(s,"012345678") != 0)
            terror("Bad input3\n");

      if(!(f1 = sfopen(f1, tstfile(0), "w")) )
            terror("Can't open file to write\n");
      for(r = 0; r < 1024; ++r)
            buf[r] = 'a';
      if((w = sfwrite(f1,buf,1024)) != 1024)
            terror("writing w=%d\n", w);
      if(!(f1 = sfopen(f1, tstfile(0), "a")) )
            terror("Can't open file to append\n");
      sfseek(f1,(Sfoff_t)0,0);
      if((w = sfwrite(f1,buf,64)) != 64)
            terror("writing w=%d\n", w);
      if((r = (int)sftell(f1)) != (1024+64) )
            terror("seek position wrong s=%d\n", r);

      TSTEXIT(0);
}

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