Deprecate rig_get_conf()

Define macro to set attribute, if compiler is capable
Add macro to rig_get_conf(), Rig::getConf() declarations
Fix internal uses of rig_get_conf()

c++/rigclass.cc

@@ -87,11 +87,19 @@ void Rig::setConf(const char *name, const char *val)
 
 void Rig::getConf(hamlib_token_t token, char *val)
 {
-	CHECK_RIG( rig_get_conf(theRig, token, val) );
+	CHECK_RIG( rig_get_conf2(theRig, token, val, 128) );
 }
 void Rig::getConf(const char *name, char *val)
 {
-	CHECK_RIG( rig_get_conf(theRig, tokenLookup(name), val) );
+	CHECK_RIG( rig_get_conf2(theRig, tokenLookup(name), val, 128) );
+}
+void Rig::getConf2(hamlib_token_t token, char *val, int val_len)
+{
+	CHECK_RIG( rig_get_conf2(theRig, token, val, val_len) );
+}
+void Rig::getConf2(const char *name, char *val, int val_len)
+{
+	CHECK_RIG( rig_get_conf2(theRig, tokenLookup(name), val, val_len) );
 }
 
 hamlib_token_t Rig::tokenLookup(const char *name)

include/hamlib/rig.h

@@ -86,10 +86,18 @@
 #if __has_c_attribute(fallthrough)
 #define HL_FALLTHROUGH [[fallthrough]];
 #else
-/* Fall back */
+/* Fall back to nothing */
 #define HL_FALLTHROUGH
 #endif
 
+// Macro to mark function or variable as deprecated/obsolete
+#if __has_c_attribute(deprecated)
+#define HL_DEPRECATED [[deprecated]]
+#else
+// Make it vanish
+#define HL_DEPRECATED
+#endif
+
 /**
  * \addtogroup rig
  * @{
@@ -2959,7 +2967,7 @@ rig_set_conf HAMLIB_PARAMS((RIG *rig,
                             hamlib_token_t token,
                             const char *val));
 // deprecating rig_get_conf
-extern HAMLIB_EXPORT(int)
+HL_DEPRECATED extern HAMLIB_EXPORT(int)
 rig_get_conf HAMLIB_PARAMS((RIG *rig,
                             hamlib_token_t token,
                             char *val));

include/hamlib/rigclass.h

@@ -56,8 +56,10 @@ public:
 
     void setConf(hamlib_token_t token, const char *val);
     void setConf(const char *name, const char *val);
-    void getConf(hamlib_token_t token, char *val);
-    void getConf(const char *name, char *val);
+    HL_DEPRECATED void getConf(hamlib_token_t token, char *val);
+    HL_DEPRECATED void getConf(const char *name, char *val);
+    void getConf2(hamlib_token_t token, char *val, int val_len);
+    void getConf2(const char *name, char *val, int val_len);
     hamlib_token_t tokenLookup(const char *name);
 
     void setFreq(freq_t freq, vfo_t vfo = RIG_VFO_CURR);

rigs/flexradio/dttsp.c

@@ -462,7 +462,7 @@ static int dttsp_get_conf2(RIG *rig, hamlib_token_t token, char *val, int val_le
         /* if it's not for the dttsp backend, maybe it's for the tuner */
         if (priv->tuner)
         {
-            return rig_get_conf(priv->tuner, token, val);
+            return rig_get_conf2(priv->tuner, token, val, val_len);
         }
         else
         {

tests/rigctl_parse.c

@@ -2014,7 +2014,7 @@ int print_conf_list(const struct confparams *cfp, rig_ptr_t data)
     int i;
     char buf[128] = "";
 
-    rig_get_conf(rig, cfp->token, buf);
+    rig_get_conf2(rig, cfp->token, buf, sizeof(buf));
     printf("%s: \"%s\"\n" "\t" "Default: %s, Value: %s\n",
            cfp->name,
            cfp->tooltip,
@@ -2078,7 +2078,7 @@ int print_conf_list2(const struct confparams *cfp, rig_ptr_t data)
     RIG *rig = (RIG *) data;
     char buf[128] = "";
 
-    rig_get_conf(rig, cfp->token, buf);
+    rig_get_conf2(rig, cfp->token, buf, sizeof(buf));
     fprintf(stdout, "%s: \"%s\"\n" "\t" "Default: %s, Value: %s\n",
             cfp->name,
             cfp->tooltip,
@@ -6025,7 +6025,7 @@ declare_proto_rig(get_conf)
     else
     {
         char value[4096]; // no max value known -- should we limit it?
-        ret = rig_get_conf(rig, mytoken, value);
+        ret = rig_get_conf2(rig, mytoken, value, sizeof(value));
 
         if (ret != RIG_OK)
         {