/*

 * Define malloc and friends.

 */

#ifndef GUARD_NTP_MALLOC_H

#define GUARD_NTP_MALLOC_H

#include <stdlib.h>

/*

 * Deal with platform differences declaring alloca()

 * This comes nearly verbatim from:

 *

 * http://www.gnu.org/software/autoconf/manual/autoconf.html#Particular-Functions

 *

 * The only modifications were to remove C++ support and guard against

 * redefining alloca.

 */

#ifdef HAVE_ALLOCA_H

# include <alloca.h>

#elif defined __GNUC__

# ifndef alloca

#  define alloca __builtin_alloca

# endif

#elif defined _AIX

# ifndef alloca

#  define alloca __alloca

# endif

#else

# include <stddef.h>

void * alloca(size_t);

#endif

#ifdef EREALLOC_IMPL

# define EREALLOC_CALLSITE  /* preserve __FILE__ and __LINE__ */

#else

# define EREALLOC_IMPL(ptr, newsz, filenm, loc) \

   realloc(ptr, (newsz))

#endif

#include <strings.h>

#define ZERO(var)   memset(&(var), '\0', sizeof(var))

#endif  /* GUARD_NTP_MALLOC_H */