57 void *xcalloc (size_t n, size_t s) ATTRIBUTE_MALLOC;
75 # define xalloc_oversized(n, s) \  argument
76     ((size_t) (sizeof (ptrdiff_t) <= sizeof (size_t) ? -1 : -2) / (s) < (n))
90 # define XNMALLOC(n, t) \  argument
91     ((t *) (sizeof (t) == 1 ? xmalloc (n) : xnmalloc (n, sizeof (t))))
101 # define XCALLOC(n, t) \  argument
102     ((t *) (sizeof (t) == 1 ? xzalloc (n) : xcalloc (n, sizeof (t))))
108    void *xnmalloc (size_t n, size_t s) ATTRIBUTE_MALLOC;
109    void *xnrealloc (void *p, size_t n, size_t s);
111    char *xcharalloc (size_t n) ATTRIBUTE_MALLOC;
119 static_inline void *xnmalloc (size_t n, size_t s) ATTRIBUTE_MALLOC;
121 xnmalloc (size_t n, size_t s)  in xnmalloc()  argument
123   if (xalloc_oversized (n, s))  in xnmalloc()
125   return xmalloc (n * s);  in xnmalloc()
132 xnrealloc (void *p, size_t n, size_t s)  in xnrealloc()  argument
134   if (xalloc_oversized (n, s))  in xnrealloc()
136   return xrealloc (p, n * s);  in xnrealloc()
197   size_t n = *pn;  in x2nrealloc()  local
201       if (! n)  in x2nrealloc()
209 	  n = DEFAULT_MXFAST / s;  in x2nrealloc()
210 	  n += !n;  in x2nrealloc()
219       if ((size_t) -1 / 3 * 2 / s <= n)  in x2nrealloc()
221       n += (n + 1) / 2;  in x2nrealloc()
224   *pn = n;  in x2nrealloc()
225   return xrealloc (p, n * s);  in x2nrealloc()
231 static_inline char *xcharalloc (size_t n) ATTRIBUTE_MALLOC;
233 xcharalloc (size_t n)  in xcharalloc()  argument
235   return XNMALLOC (n, char);  in xcharalloc()
254 xnrealloc (T *p, size_t n, size_t s)  in xnrealloc()  argument
256   return (T *) xnrealloc ((void *) p, n, s);  in xnrealloc()