move PushParamStack()

src/libespeak-ng/readclause.c

 	return short_pause;
 }
 
-static PARAM_STACK *PushParamStack(int tag_type)
-{
-	int ix;
-	PARAM_STACK *sp;
-
-	sp = &param_stack[n_param_stack];
-	if (n_param_stack < (N_PARAM_STACK-1))
-		n_param_stack++;
-
-	sp->type = tag_type;
-	for (ix = 0; ix < N_SPEECH_PARAM; ix++)
-		sp->parameter[ix] = -1;
-	return sp;
-}
-
 static void PopParamStack(int tag_type, char *outbuf, int *outix)
 {
 	// unwind the stack up to and including the previous tag of this type
 	switch (tag_type)
 	{
 	case SSML_STYLE:
-		sp = PushParamStack(tag_type);
+		sp = PushParamStack(tag_type, &n_param_stack, (PARAM_STACK *) param_stack);
 		attr1 = GetSsmlAttribute(px, "field");
 		attr2 = GetSsmlAttribute(px, "mode");
 
 		ProcessParamStack(outbuf, outix, n_param_stack, param_stack, speech_parameters);
 		break;
 	case SSML_PROSODY:
-		sp = PushParamStack(tag_type);
+		sp = PushParamStack(tag_type, &n_param_stack, (PARAM_STACK *) param_stack);
 
 		// look for attributes:  rate, volume, pitch, range
 		for (param_type = espeakRATE; param_type <= espeakRANGE; param_type++) {
 		ProcessParamStack(outbuf, outix, n_param_stack, param_stack, speech_parameters);
 		break;
 	case SSML_EMPHASIS:
-		sp = PushParamStack(tag_type);
+		sp = PushParamStack(tag_type, &n_param_stack, (PARAM_STACK *) param_stack);
 		value = 3; // default is "moderate"
 		if ((attr1 = GetSsmlAttribute(px, "level")) != NULL)
 			value = attrlookup(attr1, mnem_emphasis);
 		}
 		break;
 	case SSML_AUDIO:
-		sp = PushParamStack(tag_type);
+		sp = PushParamStack(tag_type, &n_param_stack, (PARAM_STACK *)param_stack);
 
 		if ((attr1 = GetSsmlAttribute(px, "src")) != NULL) {
 			char fname[256];

src/libespeak-ng/ssml.c

 		}
 	}
 }
+PARAM_STACK *PushParamStack(int tag_type, int *n_param_stack, PARAM_STACK *param_stack)
+{
+	int ix;
+	PARAM_STACK *sp;
+
+	sp = &param_stack[*n_param_stack];
+	if (*n_param_stack < (N_PARAM_STACK-1))
+		*n_param_stack = *n_param_stack + 1;
+
+	sp->type = tag_type;
+	for (ix = 0; ix < N_SPEECH_PARAM; ix++)
+		sp->parameter[ix] = -1;
+	return sp;
+}

src/libespeak-ng/ssml.h

 };
 
 int attrcmp(const wchar_t *string1, const char *string2);
+int attrcopy_utf8(char *buf, const wchar_t *pw, int len);
 int attrlookup(const wchar_t *string1, const MNEM_TAB *mtab);
 int attrnumber(const wchar_t *pw, int default_value, int type);
 int attr_prosody_value(int param_type, const wchar_t *pw, int *value_out);
-int attrcopy_utf8(char *buf, const wchar_t *pw, int len);
 int GetVoiceAttributes(wchar_t *pw, int tag_type, SSML_STACK *ssml_sp, SSML_STACK *ssml_stack, int n_ssml_stack, char current_voice_id[40], espeak_VOICE *base_voice, char base_voice_variant_name[40]);
 void ProcessParamStack(char *outbuf, int *outix, int n_param_stack, PARAM_STACK *param_stack, int *speech_parameters);
+PARAM_STACK *PushParamStack(int tag_type, int *n_param_stack, PARAM_STACK *param_stack);
 const char *VoiceFromStack(SSML_STACK *ssml_stack, int n_ssml_stack, espeak_VOICE *base_voice, char base_voice_variant_name[40]);