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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [sim/] [testsuite/] [sim/] [cris/] [c/] [ftruncate1.c] - Blame information for rev 816

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Line No. Rev Author Line
1 227 jeremybenn
/* Check that the ftruncate syscall works trivially.
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#notarget: cris*-*-elf
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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void
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perr (const char *s)
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{
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  perror (s);
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  exit (1);
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}
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int
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main (void)
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{
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  FILE *f;
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  const char fname[] = "sk1test.dat";
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  const char tsttxt1[]
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    = "This is the first and only line of this file.\n";
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  const char tsttxt2[] = "Now there is a second line.\n";
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  char buf[sizeof (tsttxt1) + sizeof (tsttxt2) - 1] = "";
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  f = fopen (fname, "w+");
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  if (f == NULL
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      || fwrite (tsttxt1, 1, strlen (tsttxt1), f) != strlen (tsttxt1))
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    perr ("open or fwrite");
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  if (fflush (f) != 0)
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    perr ("fflush");
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  if (ftruncate (fileno (f), strlen(tsttxt1) - 20) != 0)
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    perr ("ftruncate");
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  if (fclose (f) != 0)
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    perr ("fclose");
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  f = fopen (fname, "r");
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  if (f == NULL
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      || fread (buf, 1, sizeof (buf), f) != strlen (tsttxt1) - 20
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      || strncmp (buf, tsttxt1, strlen (tsttxt1) - 20) != 0
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      || fclose (f) != 0)
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    {
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      printf ("fail\n");
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      exit (1);
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    }
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  printf ("pass\n");
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  exit (0);
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}

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