From 1a6f0dbcc0fe79e7bbd35c6e995fec24d32968af Mon Sep 17 00:00:00 2001
From: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Fri, 23 Jan 2009 15:02:20 +0000
Subject: [PATCH] linux-user: add qemu_realloc() implementation to unbreak the
build (Gerd Hoffman)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6412 c046a42c-6fe2-441c-8c8c-71466251a162
---
linux-user/mmap.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index 8e81cdec74..d0fc3e3d1a 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -123,6 +123,19 @@ void qemu_free(void *ptr)
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;
+}
+
/* NOTE: all the constants are the HOST ones, but addresses are target. */
int target_mprotect(abi_ulong start, abi_ulong len, int prot)
{
--
2.30.2