Changeset 6337cb5742f397a3db9201557de56be05c9394a1

Timestamp:

10/20/09 01:28:57 (5 weeks ago)

Author:

Anders Kaseorg <andersk@mit.edu>

git-author:

Anders Kaseorg <andersk@mit.edu> / 2009-10-19T23:27:28Z-0400

Parents:

68f358cfe28c85474e90e129c5e96645d5b86963

Children:

99525be7e6268ba595d424f7f84e31716765f1fc

git-committer:

Anders Kaseorg <andersk@mit.edu> / 2009-10-20T01:28:57Z-0400

Message:

Reimplement zstr with a union, to shut up gcc -Wcast-qual.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>

Files:

• owl.h (modified) (1 diff)

owl.h

@@ -193 +193 @@
 
 #ifdef HAVE_LIBZEPHYR
-/* libzephyr doesn't use const, so we appease the type system with this cast. */
+/* libzephyr doesn't use const, so we appease the type system with this kludge.
+ * This just casts const char * to char * in a way that doesn't yield a warning
+ * from gcc -Wcast-qual. */
 static inline char *zstr(const char *str)
 {
-  return (char *)str;
+  union { char *rw; const char *ro; } u;
+  u.ro = str;
+  return u.rw;
 }
 #endif