/* Copyright 2009, 2010 Kevin Ryde
This file is part of Devel-Mallinfo.
Devel-Mallinfo is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
Devel-Mallinfo is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with Devel-Mallinfo. If not, see <http://www.gnu.org/licenses/>.
*/
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <malloc.h>
#include <unistd.h>
int
main (void)
{
malloc (123);
fprintf (stderr, "malloc_stats():\n");
malloc_stats();
fprintf (stderr, "\nmalloc_info():\n");
malloc_info (0, stdout);
{
FILE *fp;
char buf[256];
struct stat st;
putenv ("TMPDIR=/tmp/fullfs/tmp/");
printf ("%s\n", tmpnam(NULL));
fp = tmpfile();
printf ("%p\n", fp);
printf ("%d\n", fstat(fileno(fp), &st));
printf ("ino %ld dev %ld\n", (long) st.st_ino, (long) st.st_dev);
printf ("%d\n", fwrite ("hello", 1, 2048, fp));
printf ("%d\n", fflush (fp));
rewind (fp);
printf ("%d\n", fread (buf, 1, 5, fp));
}
{
int fd;
struct stat st;
fd = open ("/tmp/fullfs/yes", O_RDONLY);
printf ("%d\n", fstat(fd, &st));
printf ("ino %ld dev %ld\n", (long) st.st_ino, (long) st.st_dev);
}
return 0;
}