Added and fixed extra compiler warnings

src/cnetz/Makefile.am

@@ -1,4 +1,4 @@
-AM_CPPFLAGS = -Wall -g $(all_includes)
+AM_CPPFLAGS = -Wall -Wextra -g $(all_includes)
 
 bin_PROGRAMS = \
 	cnetz

src/cnetz/cnetz.c

@@ -455,7 +455,7 @@ cnetz_t *search_ogk(void)
 	return NULL;
 }
 
-int call_out_setup(int callref, const char *caller_id, enum number_type caller_type, const char *dialing)
+int call_out_setup(int callref, const char __attribute__((unused)) *caller_id, enum number_type __attribute__((unused)) caller_type, const char *dialing)
 {
 	sender_t *sender;
 	cnetz_t *cnetz;
@@ -784,13 +784,13 @@ void cnetz_sync_frame(cnetz_t *cnetz, double sync, int block)
 	/* if more than +- one bit out of sync */
 	if (offset < -0.5 || offset > 0.5) {
 		PDEBUG(DCNETZ, DEBUG_NOTICE, "Frame sync offset = %.2f, correcting!\n", offset);
-		fsk_correct_sync(cnetz, offset);
+		fsk_correct_sync(&cnetz->fsk_demod, offset);
 		return;
 	}
 
 	/* resync by some fraction of received sync error */
 	PDEBUG(DCNETZ, DEBUG_DEBUG, "Frame sync offset = %.2f, correcting.\n", offset);
-	fsk_correct_sync(cnetz, offset / 2.0);
+	fsk_correct_sync(&cnetz->fsk_demod, offset / 2.0);
 }
 
 /*

src/cnetz/database.c

@@ -84,7 +84,7 @@ static void db_timeout(struct timer *timer)
 }
 
 /* create/update db entry */
-int update_db(cnetz_t *cnetz, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest, int extended, int busy, int failed)
+int update_db(cnetz_t __attribute__((unused)) *cnetz, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest, int extended, int busy, int failed)
 {
 	cnetz_db_t *db, **dbp;
 

src/cnetz/fsk_fm_demod.c

@@ -142,7 +142,7 @@ int fsk_fm_init(fsk_fm_demod_t *fsk, cnetz_t *cnetz, int samplerate, double bitr
 
 	len = (int)((double)samplerate / bitrate + 0.5);
 	half = (int)((double)samplerate / bitrate / 2.0 + 0.5);
-	if (len > sizeof(fsk->bit_buffer_spl) / sizeof(fsk->bit_buffer_spl[0])) {
+	if (len > (int)(sizeof(fsk->bit_buffer_spl) / sizeof(fsk->bit_buffer_spl[0]))) {
 		PDEBUG(DDSP, DEBUG_ERROR, "Sample rate too high for buffer, please use lower rate, like 192000 Hz!\n");
 		return -1;
 	}
@@ -496,9 +496,10 @@ void fsk_fm_demod(fsk_fm_demod_t *fsk, int16_t *samples, int length)
 	fsk->bit_count = bit_count;
 }
 
-void fsk_correct_sync(cnetz_t *cnetz, double offset)
+void fsk_correct_sync(fsk_fm_demod_t *fsk, double offset)
 {
 	bit_time = fmod(bit_time - offset + BITS_PER_SUPERFRAME, BITS_PER_SUPERFRAME);
+	fsk->bit_time = bit_time;
 }
 
 void fsk_demod_reset(fsk_fm_demod_t *fsk)

src/cnetz/fsk_fm_demod.h

@@ -52,6 +52,6 @@ typedef struct fsk_fm_demod {
 
 int fsk_fm_init(fsk_fm_demod_t *fsk, cnetz_t *cnetz, int samplerate, double bitrate);
 void fsk_fm_demod(fsk_fm_demod_t *fsk, int16_t *samples, int length);
-void fsk_correct_sync(cnetz_t *cnetz, double offset);
+void fsk_correct_sync(fsk_fm_demod_t *fsk, double offset);
 void fsk_demod_reset(fsk_fm_demod_t *fsk);
 

src/cnetz/image.c

@@ -44,7 +44,7 @@ void print_image(void)
 	int i, j;
 
 	for (i = 0; image[i]; i++) {
-		for (j = 0; j < strlen(image[i]); j++) {
+		for (j = 0; j < (int)strlen(image[i]); j++) {
 			if (image[i][j] == '@') {
 				j++;
 				switch(image[i][j]) {