summaryrefslogtreecommitdiff
path: root/reference/C/CONTRIB/SNIP/cast.h
diff options
context:
space:
mode:
authorTobias Klauser <tklauser@distanz.ch>2008-01-27 11:37:44 +0100
committerTobias Klauser <tklauser@xenon.tklauser.home>2008-01-27 11:37:44 +0100
commit7e0f021a9aec35fd8e6725e87e3313b101d26f5e (patch)
treeb1cacc4b24393f517aeb4610e9e1021f954307a8 /reference/C/CONTRIB/SNIP/cast.h
Initial import (2.0.2-6)2.0.2-6
Diffstat (limited to 'reference/C/CONTRIB/SNIP/cast.h')
-rwxr-xr-xreference/C/CONTRIB/SNIP/cast.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/reference/C/CONTRIB/SNIP/cast.h b/reference/C/CONTRIB/SNIP/cast.h
new file mode 100755
index 0000000..49f7668
--- /dev/null
+++ b/reference/C/CONTRIB/SNIP/cast.h
@@ -0,0 +1,23 @@
+/*
+** public domain demo by Bob Stout
+*/
+
+#define CAST(new_type,old_object) (*((new_type *)&old_object))
+
+#if 0
+*************************************************************************
+* *
+* /* Example of CAST macro at work */ *
+* *
+* union { *
+* char ch[4]; *
+* int i[2]; *
+* } my_union; *
+* *
+* long longvar; *
+* *
+* longvar = (long)my_union; /* Illegal cast */ *
+* longvar = CAST(long, my_union); /* Legal cast */ *
+* *
+*************************************************************************
+#endif /* 0 */