Consolidate oom_check() functions

This consolidates the duplicated oom_check() functions, as well as
splitting them into OS dependant versions to avoid the #ifdef
grossness that was present in the old osdep.c version.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/oslib-win32.c b/oslib-win32.c
index e03c472..ab29eae 100644
--- a/oslib-win32.c
+++ b/oslib-win32.c
@@ -31,7 +31,7 @@
 #include "trace.h"
 #include "qemu_socket.h"
 
-static void *oom_check(void *ptr)
+void *qemu_oom_check(void *ptr)
 {
     if (ptr == NULL) {
         fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError());
@@ -47,7 +47,7 @@
     if (!size) {
         abort();
     }
-    ptr = oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
+    ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
     trace_qemu_memalign(alignment, size, ptr);
     return ptr;
 }
@@ -62,7 +62,7 @@
     if (!size) {
         abort();
     }
-    ptr = oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
+    ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
     trace_qemu_vmalloc(size, ptr);
     return ptr;
 }