block: Introduce qemu_try_blockalign()

This function returns NULL instead of aborting when an allocation fails.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 8480d52..9dd43fc 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -95,6 +95,7 @@ typedef signed int              int_fast16_t;
 #define qemu_printf printf
 
 int qemu_daemon(int nochdir, int noclose);
+void *qemu_try_memalign(size_t alignment, size_t size);
 void *qemu_memalign(size_t alignment, size_t size);
 void *qemu_anon_ram_alloc(size_t size);
 void qemu_vfree(void *ptr);