mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

linux-user: add qemu_realloc() implementation to unbreak the build (Gerd Hoffman)

Browse Source 
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
This commit is contained in:
aliguori 2009-01-23 15:02:20 +00:00
parent 832e907931
commit 1a6f0dbcc0
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
linux-user/mmap.c
View File

@ -123,6 +123,19 @@ void qemu_free(void *ptr)
munmap(p, *p); 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. */ /* NOTE: all the constants are the HOST ones, but addresses are target. */
int target_mprotect(abi_ulong start, abi_ulong len, int prot) int target_mprotect(abi_ulong start, abi_ulong len, int prot)
{ {