Changeset 6337cb5

Timestamp:

Oct 20, 2009, 1:28:57 AM (15 years ago)

Author:

Anders Kaseorg <andersk@mit.edu>

Branches:

master, release-1.10, release-1.5, release-1.6, release-1.7, release-1.8, release-1.9

Children:

99525be

Parents:

68f358c

git-author:

Anders Kaseorg <andersk@mit.edu> (10/19/09 23:27:28)

git-committer:

Anders Kaseorg <andersk@mit.edu> (10/20/09 01:28:57)

Message:

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

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

File:

• 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