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/* malloc.h -- header file for memory routines.  */

#ifndef _INCLUDE_MALLOC_H_

#define _INCLUDE_MALLOC_H_

#include <_ansi.h>

#include <sys/reent.h>

#define __need_size_t

#include <stddef.h>

/* include any machine-specific extensions */

#include <machine/malloc.h>

#ifdef __cplusplus

extern "C" {

#endif

/* This version of struct mallinfo must match the one in

   libc/stdlib/mallocr.c.  */

struct mallinfo {

  int arena;    /* total space allocated from system */

  int ordblks;  /* number of non-inuse chunks */

  int smblks;   /* unused -- always zero */

  int hblks;    /* number of mmapped regions */

  int hblkhd;   /* total space in mmapped regions */

  int usmblks;  /* unused -- always zero */

  int fsmblks;  /* unused -- always zero */

  int uordblks; /* total allocated space */

  int fordblks; /* total non-inuse space */

  int keepcost; /* top-most, releasable (via malloc_trim) space */

};

/* The routines.  */

extern _PTR malloc _PARAMS ((size_t));

#ifdef __CYGWIN__

#undef _malloc_r

#define _malloc_r(r, s) malloc (s)

#else

extern _PTR _malloc_r _PARAMS ((struct _reent *, size_t));

#endif

extern _VOID free _PARAMS ((_PTR));

#ifdef __CYGWIN__

#undef _free_r

#define _free_r(r, p) free (p)

#else

extern _VOID _free_r _PARAMS ((struct _reent *, _PTR));

#endif

extern _PTR realloc _PARAMS ((_PTR, size_t));

#ifdef __CYGWIN__

#undef _realloc_r

#define _realloc_r(r, p, s) realloc (p, s)

#else

extern _PTR _realloc_r _PARAMS ((struct _reent *, _PTR, size_t));

#endif

extern _PTR calloc _PARAMS ((size_t, size_t));

#ifdef __CYGWIN__

#undef _calloc_r

#define _calloc_r(r, s1, s2) calloc (s1, s2);

#else

extern _PTR _calloc_r _PARAMS ((struct _reent *, size_t, size_t));

#endif

extern _PTR memalign _PARAMS ((size_t, size_t));

#ifdef __CYGWIN__

#undef _memalign_r

#define _memalign_r(r, s1, s2) memalign (s1, s2);

#else

extern _PTR _memalign_r _PARAMS ((struct _reent *, size_t, size_t));

#endif

extern struct mallinfo mallinfo _PARAMS ((void));

#ifdef __CYGWIN__

#undef _mallinfo_r

#define _mallinfo_r(r) mallinfo ()

#else

extern struct mallinfo _mallinfo_r _PARAMS ((struct _reent *));

#endif

extern void malloc_stats _PARAMS ((void));

#ifdef __CYGWIN__

#undef _malloc_stats_r

#define _malloc_stats_r(r) malloc_stats ()

#else

extern void _malloc_stats_r _PARAMS ((struct _reent *));

#endif

extern int mallopt _PARAMS ((int, int));

#ifdef __CYGWIN__

#undef _mallopt_r

#define _mallopt_r(i1, i2) mallopt (i1, i2)

#else

extern int _mallopt_r _PARAMS ((struct _reent *, int, int));

#endif

extern size_t malloc_usable_size _PARAMS ((_PTR));

#ifdef __CYGWIN__

#undef _malloc_usable_size_r

#define _malloc_usable_size_r(r, p) malloc_usable_size (p)

#else

extern size_t _malloc_usable_size_r _PARAMS ((struct _reent *, _PTR));

#endif

/* These aren't too useful on an embedded system, but we define them

   anyhow.  */

extern _PTR valloc _PARAMS ((size_t));

#ifdef __CYGWIN__

#undef _valloc_r

#define _valloc_r(r, s) valloc (s)

#else

extern _PTR _valloc_r _PARAMS ((struct _reent *, size_t));

#endif

extern _PTR pvalloc _PARAMS ((size_t));

#ifdef __CYGWIN__

#undef _pvalloc_r

#define _pvalloc_r(r, s) pvalloc (s)

#else

extern _PTR _pvalloc_r _PARAMS ((struct _reent *, size_t));

#endif

extern int malloc_trim _PARAMS ((size_t));

#ifdef __CYGWIN__

#undef _malloc_trim_r

#define _malloc_trim_r(r, s) malloc_trim (s)

#else

extern int _malloc_trim_r _PARAMS ((struct _reent *, size_t));

#endif

/* A compatibility routine for an earlier version of the allocator.  */

extern _VOID mstats _PARAMS ((char *));

#ifdef __CYGWIN__

#undef _mstats_r

#define _mstats_r(r, p) mstats (p)

#else

extern _VOID _mstats_r _PARAMS ((struct _reent *, char *));

#endif

/* SVID2/XPG mallopt options */

#define M_MXFAST  1    /* UNUSED in this malloc */

#define M_NLBLKS  2    /* UNUSED in this malloc */

#define M_GRAIN   3    /* UNUSED in this malloc */

#define M_KEEP    4    /* UNUSED in this malloc */

/* mallopt options that actually do something */

#define M_TRIM_THRESHOLD    -1

#define M_TOP_PAD           -2

#define M_MMAP_THRESHOLD    -3 

#define M_MMAP_MAX          -4

#ifndef __CYGWIN__

/* Some systems provide this, so do too for compatibility.  */

extern void cfree _PARAMS ((_PTR));

#endif /* __CYGWIN__ */

#ifdef __cplusplus

}

#endif

#endif /* _INCLUDE_MALLOC_H_ */