more portable printf format

diff --git a/ir/be/test/dumpmem.h b/ir/be/test/dumpmem.h
index 7e515aa..b3e9171 100644 (file)
--- a/ir/be/test/dumpmem.h
+++ b/ir/be/test/dumpmem.h
@@ -3,10 +3,10 @@
 static void dumpMem(void* ptr, size_t size)
 {
     size_t i;
-    char* p = ptr;
+    unsigned char* p = ptr;
     printf("\n");
     for(i = 0; i < size; ++i) {
-        printf("%02hhx", p[i]);
+        printf("%02x", p[i]);
         if((i % 4) == 3) {
             printf("\n");
         }