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

[freeradius.git] / src / include / md5.h

diff --git a/src/include/md5.h b/src/include/md5.h
index 4a20c93..fec196e 100644 (file)
--- a/src/include/md5.h
+++ b/src/include/md5.h
@@ -26,6 +26,15 @@ RCSIDH(md5_h, "$Id$")
 
 #include <string.h>
 
+#ifdef WITH_OPENSSL_MD5
+#include <openssl/md5.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef WITH_OPENSSL_MD5
 /*  The below was retrieved from
  *  http://www.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/crypto/md5.h?rev=1.1
  *  With the following changes: uint64_t => uint32_t[2]
@@ -67,4 +76,17 @@ void  fr_MD5Transform(uint32_t [4], const uint8_t [MD5_BLOCK_LENGTH])
 /*             __attribute__((__bounded__(__minbytes__,2,MD5_BLOCK_LENGTH)))*/;
 /* __END_DECLS */
 
+#else  /* WITH_OPENSSL_HASH */
+
+#define FR_MD5_CTX     MD5_CTX
+#define fr_MD5Init     MD5_Init
+#define fr_MD5Update   MD5_Update
+#define fr_MD5Final    MD5_Final
+#define fr_MD5Transform MD5_Transform
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _FR_MD5_H */