On Fri, Jan 23, 2009 at 4:02 PM, Anthony Liguori <address@hidden> wrote:
Revision: 6412
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6412
Author: aliguori
Date: 2009-01-23 15:02:20 +0000 (Fri, 23 Jan 2009)
Log Message:
-----------
linux-user: add qemu_realloc() implementation to unbreak the build (Gerd
Hoffman)
Signed-off-by: Gerd Hoffmann <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/linux-user/mmap.c
Modified: trunk/linux-user/mmap.c
===================================================================
--- trunk/linux-user/mmap.c 2009-01-22 22:09:55 UTC (rev 6411)
+++ trunk/linux-user/mmap.c 2009-01-23 15:02:20 UTC (rev 6412)
@@ -123,6 +123,19 @@
munmap(p, *p);
}
+void *qemu_realloc(void *ptr, size_t size)
+{
+ size_t old_size, copy;
+ void *new_ptr;
+
+ old_size = *(size_t *)((char *)ptr - 16);
+ copy = old_size < size ? old_size : size;
+ new_ptr = qemu_malloc(size);
+ memcpy(new_ptr, ptr, copy);
+ qemu_free(ptr);
+ return new_ptr;
+}
Is it really the correct fix? The original error comes from the fact
we compile qemu_iovec_* in cutils.c. Do we really need these
iovec functions for user-mode?