source: trunk/src/libctests/glibc/stdio-common/test-fwrite.c@ 2196

#include <stdio.h>
#include <string.h>

int
main (int argc, char *argv[])
{
  FILE *f = tmpfile ();
  char obuf[99999], ibuf[sizeof obuf];
  char *line;
  size_t linesz;

  if (! f)
    {
      perror ("tmpfile");
      return 1;
    }

  if (fputs ("line\n", f) == EOF)
    {
      perror ("fputs");
      return 1;
    }

  memset (obuf, 'z', sizeof obuf);
  memset (ibuf, 'y', sizeof ibuf);

  if (fwrite (obuf, sizeof obuf, 1, f) != 1)
    {
      perror ("fwrite");
      return 1;
    }

  rewind (f);

  line = NULL;
  linesz = 0;
#ifdef HAVE_GETLINE
  if (getline (&line, &linesz, f) != 5)
    {
      perror ("getline");
      return 1;
    }
#else
  char fgetbuf [80];
  line = fgets (fgetbuf, sizeof(fgetbuf), f);
  if (!line)
    {
      perror ("gets");
      return 1;
    }
#endif
  if (strcmp (line, "line\n"))