Add type-safe STACKs and SETs.

2 files changed, 116 insertions, 1 deletions

diff --git a/crypto/stack/Makefile.ssl b/crypto/stack/Makefile.ssl
index 0a9d125671..0189704d02 100644
--- a/crypto/stack/Makefile.ssl
+++ b/crypto/stack/Makefile.ssl
@@ -25,7 +25,7 @@ LIBOBJ=stack.o
 
 SRC= $(LIBSRC)
 
-EXHEADER= stack.h
+EXHEADER= stack.h safestack.h
 HEADER=	$(EXHEADER)
 
 ALL=    $(GENERAL) $(SRC) $(HEADER)
diff --git a/crypto/stack/safestack.h b/crypto/stack/safestack.h
new file mode 100644
index 0000000000..87bc9221a7
--- /dev/null
+++ b/crypto/stack/safestack.h
@@ -0,0 +1,115 @@
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#ifndef HEADER_SAFESTACK_H
+#define HEADER_SAFESTACK_H
+
+#include "stack.h"
+
+#define STACK_OF(type)	STACK_##type
+
+#define DECLARE_STACK_OF(type) \
+typedef struct stack_st_##type	\
+    { \
+    STACK stack; \
+    } STACK_OF(type); \
+STACK_OF(type) *sk_##type##_new(int (*cmp)(type **,type **)); \
+STACK_OF(type) *sk_##type##_new_null(void); \
+void sk_##type##_free(STACK_OF(type) *sk); \
+int sk_##type##_num(STACK_OF(type) *sk); \
+type *sk_##type##_value(STACK_OF(type) *sk,int n); \
+type *sk_##type##_set(STACK_OF(type) *sk,int n,type *v); \
+void sk_##type##_zero(STACK_OF(type) *sk); \
+int sk_##type##_push(STACK_OF(type) *sk,type *v); \
+int sk_##type##_find(STACK_OF(type) *sk,type *v); \
+void sk_##type##_delete(STACK_OF(type) *sk,int n); \
+void sk_##type##_delete_ptr(STACK_OF(type) *sk,type *v); \
+void sk_##type##_set_cmp_func(STACK_OF(type) *sk,int (*cmp)(type **,type **)); \
+STACK_OF(type) *sk_##type##_dup(STACK_OF(type) *sk); \
+void sk_##type##_pop_free(STACK_OF(type) *sk,void (*func)(type *)); \
+type *sk_##type##_shift(STACK_OF(type) *sk);
+
+#define IMPLEMENT_STACK_OF(type) \
+STACK_OF(type) *sk_##type##_new(int (*cmp)(type **,type **)) \
+    { return (STACK_OF(type) *)sk_new(cmp); } \
+STACK_OF(type) *sk_##type##_new_null() \
+    { return (STACK_OF(type) *)sk_new_null(); } \
+void sk_##type##_free(STACK_OF(type) *sk) \
+    { sk_free((STACK *)sk); } \
+int sk_##type##_num(STACK_OF(type) *sk) \
+    { return sk_num((STACK *)sk); } \
+type *sk_##type##_value(STACK_OF(type) *sk,int n) \
+    { return (type *)sk_value((STACK *)sk,n); } \
+type *sk_##type##_set(STACK_OF(type) *sk,int n,type *v) \
+    { return (type *)(sk_value((STACK *)sk,n)=(char *)v); } \
+void sk_##type##_zero(STACK_OF(type) *sk) \
+    { sk_zero((STACK *)sk); } \
+int sk_##type##_push(STACK_OF(type) *sk,type *v) \
+    { return sk_push((STACK *)sk,(char *)v); } \
+int sk_##type##_find(STACK_OF(type) *sk,type *v) \
+    { return sk_find((STACK *)sk,(char *)v); } \
+void sk_##type##_delete(STACK_OF(type) *sk,int n) \
+    { sk_delete((STACK *)sk,n); } \
+void sk_##type##_delete_ptr(STACK_OF(type) *sk,type *v) \
+    { sk_delete_ptr((STACK *)sk,(char *)v); } \
+void sk_##type##_set_cmp_func(STACK_OF(type) *sk,int (*cmp)(type **,type **)) \
+    { sk_set_cmp_func((STACK *)sk,cmp); } \
+STACK_OF(type) *sk_##type##_dup(STACK_OF(type) *sk) \
+    { return (STACK_OF(type) *)sk_dup((STACK *)sk); } \
+void sk_##type##_pop_free(STACK_OF(type) *sk,void (*func)(type *)) \
+    { sk_pop_free((STACK *)sk,func); } \
+type *sk_##type##_shift(STACK_OF(type) *sk) \
+    { return (type *)sk_shift((STACK *)sk); }
+
+#endif /* ndef HEADER_SAFESTACK_H */