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author | DJ Delorie <dj@redhat.com> | 2004-07-24 18:04:39 +0000 |
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committer | DJ Delorie <dj@redhat.com> | 2004-07-24 18:04:39 +0000 |
commit | d5b4094f381410813c8eaceae0d71f9c11394bf4 (patch) | |
tree | a04cf7c56d4f10dc36881f638f94a35c6999d5e3 /include/libiberty.h | |
parent | b4632131601c0c375c1c571b5671fca4176979ae (diff) | |
download | fsf-binutils-gdb-d5b4094f381410813c8eaceae0d71f9c11394bf4.zip fsf-binutils-gdb-d5b4094f381410813c8eaceae0d71f9c11394bf4.tar.gz fsf-binutils-gdb-d5b4094f381410813c8eaceae0d71f9c11394bf4.tar.bz2 |
merge from gcc
Diffstat (limited to 'include/libiberty.h')
-rw-r--r-- | include/libiberty.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/libiberty.h b/include/libiberty.h index 5c10153..68eeeae 100644 --- a/include/libiberty.h +++ b/include/libiberty.h @@ -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 |