Ian Lance Taylor ha scritto:
Angelo Graziosi <[EMAIL PROTECTED]> writes:

Ian Lance Taylor wrote:
It's valid, but it's not the right patch.  The right patch is to use
XNEW and XCNEW from include/libiberty.h.

Gabriel Dos Reis in [1] wrote:
The idiom is to use  XCNEWVAR(T) for xcalloc(1, sizeof(T)),
XNEWVAR(T) for xmalloc(sizeof(T)),...

Gulp! I am a little confused... XNEW or XNEWVAR, etc.?

It is confusing.


--- gcc-4.4-20080704.orig/gcc/ggc-page.c 2008-06-29 06:39:16.000000000 +0200
+++ gcc-4.4-20080704/gcc/ggc-page.c 2008-07-05 12:00:20.906250000 +0200
@@ -799,7 +799,7 @@
        alloc_size = GGC_QUIRE_SIZE * G.pagesize;
       else
        alloc_size = entry_size + G.pagesize - 1;
-      allocation = xmalloc (alloc_size);
+      allocation = XNEWVAR(char, alloc_size);

Actually, I think this should be XNEWVEC (char, alloc_size), though
the effect is similar when the type is char.


@@ -842,7 +842,7 @@
          struct page_entry *e, *f = G.free_pages;
          for (a = enda - G.pagesize; a != page; a -= G.pagesize)
            {
-             e = xcalloc (1, page_entry_size);
+             e = XCNEWVAR(struct page_entry, page_entry_size);

Here XCNEWVAR is correct.  There should be a space before the left
parenthesis.

Ian

--- gcc-4.4-20080704.orig/gcc/ggc-page.c 2008-06-29 06:39:16.000000000 +0200
+++ gcc-4.4-20080704/gcc/ggc-page.c 2008-07-05 12:00:20.906250000 +0200
@@ -799,7 +799,7 @@
        alloc_size = GGC_QUIRE_SIZE * G.pagesize;
       else
        alloc_size = entry_size + G.pagesize - 1;
-      allocation = xmalloc (alloc_size);
+      allocation = XNEWVEC (char, alloc_size);

page = (char *) (((size_t) allocation + G.pagesize - 1) & -G.pagesize);
       head_slop = page - allocation;
@@ -842,7 +842,7 @@
          struct page_entry *e, *f = G.free_pages;
          for (a = enda - G.pagesize; a != page; a -= G.pagesize)
            {
-             e = xcalloc (1, page_entry_size);
+             e = XCNEWVAR (struct page_entry, page_entry_size);
              e->order = order;
              e->bytes = G.pagesize;
              e->page = a;



   Angelo

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