Add CONST_CAST macro, for casting away "const" more safely.

[pspp-builds.git] / src / data / caseproto.c

diff --git a/src/data/caseproto.c b/src/data/caseproto.c
index 1a40213a537d295f78241a0c35a0594ba3a6262a..9837013acb8bee86cb6d30bf0876a706a05dbc71 100644 (file)
--- a/src/data/caseproto.c
+++ b/src/data/caseproto.c
@@ -320,7 +320,7 @@ caseproto_free__ (struct caseproto *proto)
 void
 caseproto_refresh_long_string_cache__ (const struct caseproto *proto_)
 {
-  struct caseproto *proto = (struct caseproto *) proto_;
+  struct caseproto *proto = CONST_CAST (struct caseproto *, proto_);
   size_t n, i;
 
   assert (proto->long_strings == NULL);