Add "extern C {...} to header files for C++ builds.

[freeradius.git] / src / include / md4.h

diff --git a/src/include/md4.h b/src/include/md4.h
index 0f8c269..348d7bb 100644 (file)
--- a/src/include/md4.h
+++ b/src/include/md4.h
@@ -26,8 +26,17 @@ RCSIDH(md4_h, "$Id$")
 
 #include <string.h>
 
+#ifdef WITH_OPENSSL_MD4
+#include <openssl/md4.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 void fr_md4_calc (unsigned char *, const unsigned char *, unsigned int);
 
+#ifndef WITH_OPENSSL_MD4
 /*  The below was retrieved from
  *  http://www.openbsd.org/cgi-bin/cvsweb/src/include/md4.h?rev=1.12
  *  With the following changes: uint64_t => uint32_t[2]
@@ -65,8 +74,6 @@ typedef struct FR_MD4Context {
        uint8_t buffer[MD4_BLOCK_LENGTH];       /* input buffer */
 } FR_MD4_CTX;
 
-/*#include <sys/cdefs.h>*/
-
 /*__BEGIN_DECLS*/
 void    fr_MD4Init(FR_MD4_CTX *);
 void    fr_MD4Update(FR_MD4_CTX *, const uint8_t *, size_t)
@@ -77,5 +84,17 @@ void  fr_MD4Transform(uint32_t [4], const uint8_t [MD4_BLOCK_LENGTH])
 /*             __attribute__((__bounded__(__minbytes__,1,4)))
                __attribute__((__bounded__(__minbytes__,2,MD4_BLOCK_LENGTH)))*/;
 /*__END_DECLS*/
+#else  /* WITH_OPENSSL_MD4 */
+
+#define FR_MD4_CTX     MD4_CTX
+#define fr_MD4Init     MD4_Init
+#define fr_MD4Update   MD4_Update
+#define fr_MD4Final    MD4_Final
+#define fr_MD4Transform MD4_Transform
+#endif
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* _FR_MD4_H */