62 lines
1.2 KiB
C
62 lines
1.2 KiB
C
/*
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* Define malloc and friends.
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*/
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#ifndef NTP_MALLOC_H
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#define NTP_MALLOC_H
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#ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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#else
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# ifdef HAVE_MALLOC_H
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# include <malloc.h>
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# endif
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#endif
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/*
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* Deal with platform differences declaring alloca()
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* This comes nearly verbatim from:
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*
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* http://www.gnu.org/software/autoconf/manual/autoconf.html#Particular-Functions
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*
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* The only modifications were to remove C++ support and guard against
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* redefining alloca.
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*/
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#ifdef HAVE_ALLOCA_H
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# include <alloca.h>
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#elif defined __GNUC__
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# ifndef alloca
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# define alloca __builtin_alloca
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# endif
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#elif defined _AIX
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# ifndef alloca
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# define alloca __alloca
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# endif
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#elif defined _MSC_VER
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# include <malloc.h>
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# ifndef alloca
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# define alloca _alloca
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# endif
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#else
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# include <stddef.h>
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void * alloca(size_t);
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#endif
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#ifdef EREALLOC_IMPL
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# define EREALLOC_CALLSITE /* preserve __FILE__ and __LINE__ */
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#else
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# define EREALLOC_IMPL(ptr, newsz, filenm, loc) \
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realloc(ptr, (newsz))
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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# define zero_mem(p, s) bzero(p, s)
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#endif
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#ifndef zero_mem
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# define zero_mem(p, s) memset(p, 0, s)
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#endif
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#define ZERO(var) zero_mem(&(var), sizeof(var))
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#endif /* NTP_MALLOC_H */
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