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 27767e6..fec196e 100644 (file)
--- a/src/include/md5.h
+++ b/src/include/md5.h
@@ -26,6 +26,14 @@ 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
@@ -70,8 +78,6 @@ void   fr_MD5Transform(uint32_t [4], const uint8_t [MD5_BLOCK_LENGTH])
 
 #else  /* WITH_OPENSSL_HASH */
 
-#include <openssl/md5.h>
-
 #define FR_MD5_CTX     MD5_CTX
 #define fr_MD5Init     MD5_Init
 #define fr_MD5Update   MD5_Update
@@ -79,4 +85,8 @@ void   fr_MD5Transform(uint32_t [4], const uint8_t [MD5_BLOCK_LENGTH])
 #define fr_MD5Transform MD5_Transform
 #endif
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _FR_MD5_H */