cheri: malloc: avoid switch over uintptr_t

We should use a type that guarantees to represent all address bits.
In CHERI C this would be ptraddr_t, but we use unsigned long for now
not to cause regressions on other targets where this type is missing.

diff --git a/malloc/mcheck-impl.c b/malloc/mcheck-impl.c
index 00b766219b0c0c489673d7682d65ecc5bc4ebb62..e908bfd06242052715b0b61ac1a96b668c071511 100644 (file)
--- a/malloc/mcheck-impl.c
+++ b/malloc/mcheck-impl.c
@@ -74,7 +74,7 @@ checkhdr (const struct hdr *hdr)
        an error and report it.  */
     return MCHECK_OK;
 
-  switch (hdr->magic ^ ((uintptr_t) hdr->prev + (uintptr_t) hdr->next))
+  switch (hdr->magic ^ ((unsigned long) hdr->prev + (unsigned long) hdr->next))
     {
     default:
       status = MCHECK_HEAD;