Commit 1a6f0dbcc0fe79e7bbd35c6e995fec24d32968af

Authored by aliguori
1 parent 832e9079

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
Showing 1 changed file with 13 additions and 0 deletions
linux-user/mmap.c
... ... @@ -123,6 +123,19 @@ void qemu_free(void *ptr)
123 123 munmap(p, *p);
124 124 }
125 125  
  126 +void *qemu_realloc(void *ptr, size_t size)
  127 +{
  128 + size_t old_size, copy;
  129 + void *new_ptr;
  130 +
  131 + old_size = *(size_t *)((char *)ptr - 16);
  132 + copy = old_size < size ? old_size : size;
  133 + new_ptr = qemu_malloc(size);
  134 + memcpy(new_ptr, ptr, copy);
  135 + qemu_free(ptr);
  136 + return new_ptr;
  137 +}
  138 +
126 139 /* NOTE: all the constants are the HOST ones, but addresses are target. */
127 140 int target_mprotect(abi_ulong start, abi_ulong len, int prot)
128 141 {
... ...