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ntp 4.2.6p5

    1: /*
    2:  * Define malloc and friends.
    3:  */
    4: #ifndef NTP_MALLOC_H
    5: #define NTP_MALLOC_H
    6: 
    7: #ifdef HAVE_STDLIB_H
    8: # include <stdlib.h>
    9: #else
   10: # ifdef HAVE_MALLOC_H
   11: #  include <malloc.h>
   12: # endif
   13: #endif
   14: 
   15: /*
   16:  * Deal with platform differences declaring alloca()
   17:  * This comes nearly verbatim from:
   18:  *
   19:  * http://www.gnu.org/software/autoconf/manual/autoconf.html#Particular-Functions
   20:  *
   21:  * The only modifications were to remove C++ support and guard against
   22:  * redefining alloca.
   23:  */
   24: #ifdef HAVE_ALLOCA_H
   25: # include <alloca.h>
   26: #elif defined __GNUC__
   27: # ifndef alloca
   28: #  define alloca __builtin_alloca
   29: # endif
   30: #elif defined _AIX
   31: # ifndef alloca
   32: #  define alloca __alloca
   33: # endif
   34: #elif defined _MSC_VER
   35: # include <malloc.h>
   36: # ifndef alloca
   37: #  define alloca _alloca
   38: # endif
   39: #else
   40: # include <stddef.h>
   41: void * alloca(size_t);
   42: #endif
   43: 
   44: #ifdef EREALLOC_IMPL
   45: # define EREALLOC_CALLSITE	/* preserve __FILE__ and __LINE__ */
   46: #else
   47: # define EREALLOC_IMPL(ptr, newsz, filenm, loc) \
   48: 	 realloc(ptr, (newsz))
   49: #endif
   50: 
   51: #ifdef HAVE_STRINGS_H
   52: # include <strings.h>
   53: # define zero_mem(p, s)		bzero(p, s)
   54: #endif
   55: 
   56: #ifndef zero_mem
   57: # define zero_mem(p, s)		memset(p, 0, s)
   58: #endif
   59: #define ZERO(var)		zero_mem(&(var), sizeof(var))
   60: 
   61: #endif	/* NTP_MALLOC_H */