/*
When called with a NULL buffer and a positive size argument
the man page states that a buffer of size bytes is
allocated.
This does not apear true as appending to the end of the
buffer causes a SEGV when later malloc/free calls are made:
*/

#include <unistd.h>
#include <stdlib.h>

int
main (int argc, char *argv[])
{
  char *cwd;
  char *chunk;
  size_t buffsize = 1024;
  size_t bigbuffsize = 10000;

  if ((cwd = getcwd(NULL, buffsize)) == NULL)
  {
    printf ("getcwd (NULL, %d) == NULL\n");
    exit (1);
  }
  else
    printf ("cwd: %s\n", cwd);

  strcat (cwd, ":This is a bogus string");

  printf ("Now my buffer contains \"%s\"[%d]\n",
          cwd, strlen(cwd));

  if ((chunk = malloc (10000)) == NULL)
  {
    printf ("malloc(%d) failure!\n", bigbuffsize);
  }
  else
  {
    printf ("Grabbed %d bytes\n", bigbuffsize);
    free (chunk);
  }

  if (cwd)
    free (cwd);

  return (0);
}