Fixed some compiler warnings.

examples/reefnet_sensuspro_test.c

@@ -31,7 +31,7 @@ int test_dump_memory (const char* name, const char* filename)
 	}
 
 	time_t now = time (NULL);
-	unsigned char datetime[21] = {0};
+	char datetime[21] = {0};
 	strftime (datetime, sizeof (datetime), "%Y-%m-%dT%H:%M:%SZ", gmtime (&now));
 	message ("time=%lu (%s)\n", (unsigned long)now, datetime);
 

examples/reefnet_sensusultra_test.c

@@ -31,7 +31,7 @@ int test_dump_memory_dives (const char* name, const char* filename)
 	}
 
 	time_t now = time (NULL);
-	unsigned char datetime[21] = {0};
+	char datetime[21] = {0};
 	strftime (datetime, sizeof (datetime), "%Y-%m-%dT%H:%M:%SZ", gmtime (&now));
 	message ("time=%lu (%s)\n", (unsigned long)now, datetime);
 
@@ -76,7 +76,7 @@ int test_dump_memory_data (const char* name, const char* filename)
 	}
 
 	time_t now = time (NULL);
-	unsigned char datetime[21] = {0};
+	char datetime[21] = {0};
 	strftime (datetime, sizeof (datetime), "%Y-%m-%dT%H:%M:%SZ", gmtime (&now));
 	message ("time=%lu (%s)\n", (unsigned long)now, datetime);
 
@@ -128,7 +128,7 @@ int test_dump_memory_user (const char* name, const char* filename)
 	}
 
 	time_t now = time (NULL);
-	unsigned char datetime[21] = {0};
+	char datetime[21] = {0};
 	strftime (datetime, sizeof (datetime), "%Y-%m-%dT%H:%M:%SZ", gmtime (&now));
 	message ("time=%lu (%s)\n", (unsigned long)now, datetime);
 

src/irda.c

@@ -228,7 +228,7 @@ irda_socket_discover (irda *device, irda_callback_t callback, void *userdata)
 
 	int rc = 0;
 	unsigned int n = 0;
-	while ((rc = getsockopt (device->fd, SOL_IRLMP, IRLMP_ENUMDEVICES, data, &size)) != 0) {
+	while ((rc = getsockopt (device->fd, SOL_IRLMP, IRLMP_ENUMDEVICES, (char*) data, &size)) != 0) {
 #ifdef _WIN32
 		if (WSAGetLastError() != WSAEWOULDBLOCK) {
 #else
@@ -396,7 +396,7 @@ irda_socket_read (irda* device, void* data, unsigned int size)
 			break; // Timeout.
 		}
 
-		int n = recv (device->fd, data + nbytes, size - nbytes, 0);
+		int n = recv (device->fd, (char*) data + nbytes, size - nbytes, 0);
 		if (n < 0) {
 			TRACE ("recv");
 			return -1; // Error during recv call.
@@ -419,7 +419,7 @@ irda_socket_write (irda* device, const void *data, unsigned int size)
 
 	unsigned int nbytes = 0;
 	while (nbytes < size) {
-		int n = send (device->fd, data + nbytes, size - nbytes, 0);
+		int n = send (device->fd, (char*) data + nbytes, size - nbytes, 0);
 		if (n < 0) {
 			TRACE ("send");
 			return -1; // Error during send call.

src/serial_posix.c

@@ -426,7 +426,7 @@ serial_read (serial* device, void* data, unsigned int size)
 	unsigned int nbytes = 0;
 	for (;;) {
 		// Attempt to read data from the file descriptor.
-		int n = read (device->fd, data + nbytes, size - nbytes);
+		int n = read (device->fd, (char*) data + nbytes, size - nbytes);
 		if (n < 0) {
 			if (errno == EINTR)
 				continue; // Retry.
@@ -477,7 +477,7 @@ serial_write (serial* device, const void* data, unsigned int size)
 	unsigned int nbytes = 0;
 	for (;;) {
 		// Attempt to write data to the file descriptor.
-		int n = write (device->fd, data + nbytes, size - nbytes);
+		int n = write (device->fd, (char*) data + nbytes, size - nbytes);
 		if (n < 0) {
 			if (errno == EINTR)
 				continue; // Retry.

src/utils.c

@@ -5,7 +5,7 @@ static FILE* g_logfile = NULL;
 
 int message (const char* fmt, ...)
 {
-	va_list ap = {0};
+	va_list ap;
 	
 	if (g_logfile) {
 		va_start (ap, fmt);

src/uwatec_smart.c

@@ -171,7 +171,6 @@ uwatec_smart_read (smart *device, unsigned char data[], unsigned int size)
 	if (device == NULL)
 		return UWATEC_ERROR;
 
-	unsigned int timestamp = 0;
 	unsigned char command[9] = {0};
 	unsigned char answer[4] = {0};
 
@@ -224,7 +223,7 @@ uwatec_smart_read (smart *device, unsigned char data[], unsigned int size)
 	// PC Time and Time Correction.
 
 	time_t now = time (NULL);
-	unsigned char datetime[21] = {0};
+	char datetime[21] = {0};
 	strftime (datetime, sizeof (datetime), "%Y-%m-%dT%H:%M:%SZ", gmtime (&now));
 	message ("handshake: now=%lu (%s)\n", (unsigned long)now, datetime);