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libiberty.h (XNEW, [...]): Move here from libcpp/internal.h.

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* libiberty.h (XNEW, XCNEW, XNEWVEC, XCNEWVEC, XOBNEW): Move here from
	libcpp/internal.h.
	(XDELETE, XRESIZEVEC, XDELETEVEC, XNEWVAR, XCNEWVAR, XRESIZEVAR): New
	macros.

From-SVN: r85119
This commit is contained in:
Bernardo Innocenti 2004-07-24 19:48:01 +02:00
parent 8b66a9e980
commit b50a5a953b
1 changed files with 31 additions and 0 deletions
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31
include/libiberty.h
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@ -250,6 +250,37 @@ extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC;
extern double physmem_total PARAMS ((void));
extern double physmem_available PARAMS ((void));
/* These macros provide a K&R/C89/C++-friendly way of allocating structures
with nice encapsulation. The XDELETE*() macros are technically
superfluous, but provided here for symmetry. Using them consistently
makes it easier to update client code to use different allocators such
as new/delete and new[]/delete[]. */
/* Scalar allocators. */
#define XNEW(T) ((T *) xmalloc (sizeof (T)))
#define XCNEW(T) ((T *) xcalloc (1, sizeof (T)))
#define XDELETE(P) free ((P))
/* Array allocators. */
#define XNEWVEC(T, N) ((T *) xmalloc (sizeof (T) * (N)))
#define XCNEWVEC(T, N) ((T *) xcalloc ((N), sizeof (T)))
#define XRESIZEVEC(T, P, N) ((T *) xrealloc ((P), sizeof (T) * (N)))
#define XDELETEVEC(P) free ((P))
/* Allocators for variable-sized structures and raw buffers. */
#define XNEWVAR(T, S) ((T *) xmalloc ((S)))
#define XCNEWVAR(T, S) ((T *) xcalloc (1, (S)))
#define XRESIZEVAR(T, P, S) ((T *) xrealloc ((P), (S)))
/* Type-safe obstack allocator. */
#define XOBNEW(O, T) ((T *) obstack_alloc ((O), sizeof (T)))
/* hex character manipulation routines */
#define _hex_array_size 256