From 7be8d88dd37266cb4b9865a251376e7bf687e662 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Mon, 13 Oct 2003 15:17:05 +0000 Subject: Import latest version from gnulib. --- lib/xalloc.h | 38 +++++++++++++++----------------------- 1 file changed, 15 insertions(+), 23 deletions(-) (limited to 'lib/xalloc.h') diff --git a/lib/xalloc.h b/lib/xalloc.h index c6ca1174b..03c430699 100644 --- a/lib/xalloc.h +++ b/lib/xalloc.h @@ -48,31 +48,23 @@ extern char const xalloc_msg_memory_exhausted[]; memory allocation failure. */ extern void xalloc_die (void) ATTRIBUTE_NORETURN; -void *xmalloc (size_t n); +void *xmalloc (size_t s); +void *xnmalloc (size_t n, size_t s); +void *xzalloc (size_t s); void *xcalloc (size_t n, size_t s); -void *xrealloc (void *p, size_t n); +void *xrealloc (void *p, size_t s); +void *xnrealloc (void *p, size_t n, size_t s); +void *xclone (void const *p, size_t s); char *xstrdup (const char *str); -# define XMALLOC(Type, N_items) xmalloc (sizeof (Type) * (N_items)) -# define XCALLOC(Type, N_items) xcalloc (sizeof (Type), N_items) -# define XREALLOC(Ptr, Type, N_items) xrealloc (Ptr, sizeof (Type) * (N_items)) - -/* Declare and alloc memory for VAR of type TYPE. */ -# define NEW(Type, Var) Type *(Var) = XMALLOC (Type, 1) - -/* Free VAR only if non NULL. */ -# define XFREE(Var) \ - do { \ - if (Var) \ - free (Var); \ - } while (0) - -/* Return a pointer to a malloc'ed copy of the array SRC of NUM elements. */ -# define CCLONE(Src, Num) \ - (memcpy (xmalloc (sizeof *(Src) * (Num)), Src, sizeof *(Src) * (Num))) - -/* Return a malloc'ed copy of SRC. */ -# define CLONE(Src) CCLONE (Src, 1) - +/* These macros are deprecated; they will go away soon, and are retained + temporarily only to ease conversion to the functions described above. */ +# define CCLONE(p, n) xclone (p, (n) * sizeof *(p)) +# define CLONE(p) xclone (p, sizeof *(p)) +# define NEW(type, var) type *var = xmalloc (sizeof (type)) +# define XCALLOC(type, n) xcalloc (n, sizeof (type)) +# define XMALLOC(type, n) xnmalloc (n, sizeof (type)) +# define XREALLOC(p, type, n) xnrealloc (p, n, sizeof (type)) +# define XFREE(p) free (p) #endif /* !XALLOC_H_ */ -- cgit v1.2.3-54-g00ecf