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authoraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-23 15:02:20 +0000
committeraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-23 15:02:20 +0000
commit1a6f0dbcc0fe79e7bbd35c6e995fec24d32968af (patch)
tree28e069d5398e117a1c6b0dde96acae6313cb747a /linux-user/mmap.c
parent832e9079319c17d528c5b33e285efba9b6e742b4 (diff)
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
Diffstat (limited to 'linux-user/mmap.c')
-rw-r--r--linux-user/mmap.c13
1 files changed, 13 insertions, 0 deletions
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)
{