ext/usdt/usdt.h in ruby-usdt-0.0.3 vs ext/usdt/usdt.h in ruby-usdt-0.0.4

@@ -1,18 +1,25 @@
+/*
+ * Copyright (c) 2012, Chris Andrews. All rights reserved.
+ */
+
 #include <stdint.h>
 #include <unistd.h>
 
 typedef uint8_t usdt_argtype_t;
 #define USDT_ARGTYPE_NONE    0
 #define USDT_ARGTYPE_STRING  1
 #define USDT_ARGTYPE_INTEGER 2
 
+#define USDT_ARG_MAX 32
+
 typedef enum usdt_error {
         USDT_ERROR_MALLOC = 0,
         USDT_ERROR_VALLOC,
         USDT_ERROR_NOPROBES,
-        USDT_ERROR_LOADDOF
+        USDT_ERROR_LOADDOF,
+        USDT_ERROR_ALREADYENABLED
 } usdt_error_t;
 
 typedef struct usdt_probe {
         int (*isenabled_addr)(void);
         void *probe_addr;
@@ -23,28 +30,28 @@
 
 typedef struct usdt_probedef {
         const char *name;
         const char *function;
         size_t argc;
-        usdt_argtype_t types[6];
+        usdt_argtype_t types[USDT_ARG_MAX];
         struct usdt_probe *probe;
         struct usdt_probedef *next;
 } usdt_probedef_t;
 
-usdt_probedef_t *usdt_create_probe_varargs(const char *func, const char *name, ...);
 usdt_probedef_t *usdt_create_probe(const char *func, const char *name,
                                    size_t argc, const char **types);
 
 typedef struct usdt_provider {
         const char *name;
         const char *module;
         usdt_probedef_t *probedefs;
         char *error;
+        int enabled;
 } usdt_provider_t;
 
 usdt_provider_t *usdt_create_provider(const char *name, const char *module);
 void usdt_provider_add_probe(usdt_provider_t *provider, usdt_probedef_t *probedef);
 int usdt_provider_enable(usdt_provider_t *provider);
 
-void usdt_error(usdt_provider_t *provider, usdt_error_t error);
+void usdt_error(usdt_provider_t *provider, usdt_error_t error, ...);
 char *usdt_errstr(usdt_provider_t *provider);