log: Make _ssh_log() public.

include/libssh/libssh.h

@@ -423,6 +423,9 @@ LIBSSH_API int ssh_set_log_level(int level);
 LIBSSH_API int ssh_get_log_level(void);
 LIBSSH_API void *ssh_get_log_userdata(void);
 LIBSSH_API int ssh_set_log_userdata(void *data);
+LIBSSH_API void _ssh_log(int verbosity,
+                         const char *function,
+                         const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
 
 /* legacy */
 SSH_DEPRECATED LIBSSH_API void ssh_log(ssh_session session,

include/libssh/libsshpp.hpp

@@ -316,7 +316,7 @@ public:
     va_start(va, format);
     vsnprintf(buffer, sizeof(buffer), format, va);
     va_end(va);
-    ssh_log(c_session,priority, "%s", buffer);
+    _ssh_log(priority, "libsshpp", "%s", buffer);
   }
 
   /** @brief copies options from a session to another

include/libssh/priv.h

@@ -152,10 +152,6 @@ int ssh_get_key_params(ssh_session session, ssh_key *privkey);
 void ssh_log_function(int verbosity,
                       const char *function,
                       const char *buffer);
-
-void _ssh_log(int verbosity,
-              const char *function,
-              const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
 #define SSH_LOG(priority, ...) \
     _ssh_log(priority, __FUNCTION__, __VA_ARGS__)