#include <map.h>
#include <page_size.h>
#include <stdint.h>
#include <string.h>
#include <system.h>

#define LACKS_UNISTD_H    1
#define LACKS_SYS_MMAN_H  1
#define LACKS_SYS_PARAM_H 1
#define LACKS_FCNTL_H     1
#define LACKS_SYS_TYPES_H 1
#define LACKS_SCHED_H     1
#define LACKS_ERRNO_H     1
#define LACKS_STDLIB_H    1
#define LACKS_TIME_H      1
#define LACKS_STRINGS_H   1

#define ABORT                                                                                      \
  {                                                                                                \
    (void)0;                                                                                       \
  }
#define MALLOC_ALIGNMENT 16
#define HAVE_MORECORE    0
#define NO_MALLOC_STATS  1
#define USE_LOCKS        2
#define MALLOC_FAILURE_ACTION                                                                      \
  do {                                                                                             \
    test ('M');                                                                                    \
  } while (0)
#define EINVAL                 -1
#define ENOMEM                 -1
#define DEFAULT_MMAP_THRESHOLD 0
#define MLOCK_T                int

#define open        _open_dummy
#define O_RDWR      0
#define PROT_READ   0
#define PROT_WRITE  0
#define MAP_PRIVATE 0
#define fprintf(...)

static MLOCK_T malloc_global_mutex;

static int _init_lock (MLOCK_T* lock) {
  *lock = mutex_create ();
  return 0;
}

static int _fini_lock (MLOCK_T* lock) { return mutex_delete (*lock); }

static int _acquire_lock (MLOCK_T* lock) { return mutex_lock (*lock); }

static int _release_lock (MLOCK_T* lock) { return mutex_unlock (*lock); }

#define INITIAL_LOCK(lk) _init_lock ((lk))

#define DESTROY_LOCK(lk) _fini_lock ((lk))

#define ACQUIRE_LOCK(lk) _acquire_lock ((lk))

#define RELEASE_LOCK(lk) _release_lock ((lk))

#define TRY_LOCK(lk)

int _open_dummy (const char* path, uint16_t modes) {
  (void)path, (void)modes;
  return 0;
}

void* mmap (void* addr, size_t size, int prot, int flags, int fd, size_t off) {
  (void)prot, (void)fd, (void)off, (void)flags;

  if (size == 0)
    return (void*)-1;

  size = (size + PAGE_SIZE - 1) / PAGE_SIZE;

  void* r = map ((uintptr_t)addr, size, MAP_FLAGS | MAP_RW);
  if (r == NULL)
    return (void*)-1;

  memset (r, 0, size * PAGE_SIZE);
  return r;
}

int munmap (void* addr, size_t length) {
  if (length == 0)
    return 0;

  length = (length + PAGE_SIZE - 1) / PAGE_SIZE;

  return unmap ((uintptr_t)addr, length);
}