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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [cris/] [c/] [truncate1.c] - Rev 157

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/* Check that the truncate syscall works trivially.
#notarget: cris*-*-elf
*/
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#ifndef PREFIX
#define PREFIX
#endif
int
main (void)
{
  FILE *f;
  const char fname[] = PREFIX "sk1test.dat";
  const char tsttxt1[]
    = "This is the first and only line of this file.\n";
  const char tsttxt2[] = "Now there is a second line.\n";
  char buf[sizeof (tsttxt1) + sizeof (tsttxt2) - 1] = "";
 
  f = fopen (fname, "w+");
  if (f == NULL
      || fwrite (tsttxt1, 1, strlen (tsttxt1), f) != strlen (tsttxt1)
      || fclose (f) != 0)
    {
      printf ("fail\n");
      exit (1);
    }
 
  if (truncate (fname, strlen(tsttxt1) - 10) != 0)
    {
      perror ("truncate");
      exit (1);
    }
 
  f = fopen (fname, "r");
  if (f == NULL
      || fread (buf, 1, sizeof (buf), f) != strlen (tsttxt1) - 10
      || strncmp (buf, tsttxt1, strlen (tsttxt1) - 10) != 0
      || fclose (f) != 0)
    {
      printf ("fail\n");
      exit (1);
    }
 
  printf ("pass\n");
  exit (0);
}
 

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