[pypy-commit] pypy guard-compatible: Don't use NULL, it doesn't always work here

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: guard-compatible
Changeset: r94121:ff9206ab5e19
Date: 2018-03-23 16:02 +0100
http://bitbucket.org/pypy/pypy/changeset/ff9206ab5e19/

Log:	Don't use NULL, it doesn't always work here

diff --git a/rpython/jit/backend/x86/vtune.py b/rpython/jit/backend/x86/vtune.py
--- a/rpython/jit/backend/x86/vtune.py
+++ b/rpython/jit/backend/x86/vtune.py
@@ -19,9 +19,9 @@
 RPY_EXTERN void rpy_make_dlopen_strong(char *funcname, Signed addr, Signed size)
 {
     // make *really* sure that dlopen&Co are linked so that vtune is happy
-    dlopen(NULL, 0);
-    dlsym(NULL, NULL);
-    dlclose(NULL);
+    dlopen((void *)0, 0);
+    dlsym((void *)0, (void *)0);
+    dlclose((void *)0);
 }
 
 RPY_EXTERN void rpy_vtune_register(char *funcname, Signed addr, Signed size)