/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney                              │
│                                                                              │
│ Permission to use, copy, modify, and/or distribute this software for         │
│ any purpose with or without fee is hereby granted, provided that the         │
│ above copyright notice and this permission notice appear in all copies.      │
│                                                                              │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
│ PERFORMANCE OF THIS SOFTWARE.                                                │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/dprintf.h"
#include "libc/fmt/fmt.h"
#include "libc/log/log.h"
#include "libc/mem/mem.h"

static void onmemchunk(void *start, void *end, size_t used_bytes, void *arg) {
  (dprintf)(*(int *)arg, "%p - %p : %08zx / %08lx\n", start, end, used_bytes,
            (intptr_t)end - (intptr_t)start);
}

/**
 * Prints memory mappings.
 */
void meminfo(int fd) {
  memsummary(fd);
  (dprintf)(fd, "%*s   %*s   %*s   %*s\n", POINTER_XDIGITS, "start",
            POINTER_XDIGITS, "end", 8, "used", 8, "size");
  malloc_inspect_all(onmemchunk, &fd);
}