Iron out all extra compiler warnings

mbim-msg.c:83:17: error: comparison between signed and unsigned integer expressions
cli.c:50:10: error: comparison between signed and unsigned integer expressions
cli.c:81:10: error: comparison between signed and unsigned integer expressions
cli.c:104:10: error: comparison between signed and unsigned integer expressions
cli.c:140:10: error: comparison between signed and unsigned integer expressions
cli.c:154:18: error: comparison between signed and unsigned integer expressions
cli.c:171:10: error: comparison between signed and unsigned integer expressions
cli.c:194:10: error: comparison between signed and unsigned integer expressions
cli.c:223:10: error: comparison between signed and unsigned integer expressions
cli.c:229:17: error: comparison between signed and unsigned integer expressions
cli.c:241:17: error: comparison between signed and unsigned integer expressions
cli.c:247:17: error: comparison between signed and unsigned integer expressions
cli.c:259:17: error: comparison between signed and unsigned integer expressions
cli.c:272:10: error: comparison between signed and unsigned integer expressions
cli.c:549:16: error: comparison between signed and unsigned integer expressions
mbim-dev.c:68:21: error: comparison between signed and unsigned integer expressions
mbim-dev.c:97:10: error: comparison between signed and unsigned integer expressions

Reviewed-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Petr Štetiar <ynezz@true.cz>

cli.c

@@ -42,7 +42,7 @@ static int _argc;
 static char **_argv;
 
 static int
-mbim_device_caps_response(void *buffer, int len)
+mbim_device_caps_response(void *buffer, size_t len)
 {
 	struct mbim_basic_connect_device_caps_r *caps = (struct mbim_basic_connect_device_caps_r *) buffer;
 	char *deviceid, *firmwareinfo, *hardwareinfo;
@@ -74,7 +74,7 @@ mbim_device_caps_response(void *buffer, int len)
 }
 
 static int
-mbim_pin_state_response(void *buffer, int len)
+mbim_pin_state_response(void *buffer, size_t len)
 {
 	struct mbim_basic_connect_pin_r *pin = (struct mbim_basic_connect_pin_r *) buffer;
 
@@ -96,7 +96,7 @@ mbim_pin_state_response(void *buffer, int len)
 }
 
 static int
-mbim_registration_response(void *buffer, int len)
+mbim_registration_response(void *buffer, size_t len)
 {
 	struct mbim_basic_connect_register_state_r *state = (struct mbim_basic_connect_register_state_r *) buffer;
 	char *provider_id, *provider_name, *roamingtext;
@@ -131,11 +131,11 @@ mbim_registration_response(void *buffer, int len)
 }
 
 static int
-mbim_subscriber_response(void *buffer, int len)
+mbim_subscriber_response(void *buffer, size_t len)
 {
 	struct mbim_basic_connect_subscriber_ready_status_r *state = (struct mbim_basic_connect_subscriber_ready_status_r *) buffer;
 	char *subscriberid, *simiccid;
-	int nr;
+	unsigned int nr;
 
 	if (len < sizeof(struct mbim_basic_connect_subscriber_ready_status_r)) {
 		fprintf(stderr, "message not long enough\n");
@@ -164,7 +164,7 @@ mbim_subscriber_response(void *buffer, int len)
 }
 
 static int
-mbim_attach_response(void *buffer, int len)
+mbim_attach_response(void *buffer, size_t len)
 {
 	struct mbim_basic_connect_packet_service_r *ps = (struct mbim_basic_connect_packet_service_r *) buffer;
 
@@ -187,7 +187,7 @@ mbim_attach_response(void *buffer, int len)
 }
 
 static int
-mbim_connect_response(void *buffer, int len)
+mbim_connect_response(void *buffer, size_t len)
 {
 	struct mbim_basic_connect_connect_r *c = (struct mbim_basic_connect_connect_r *) buffer;
 
@@ -213,11 +213,11 @@ mbim_connect_response(void *buffer, int len)
 }
 
 static int
-mbim_config_response(void *buffer, int len)
+mbim_config_response(void *buffer, size_t len)
 {
 	struct mbim_basic_connect_ip_configuration_r *ip = (struct mbim_basic_connect_ip_configuration_r *) buffer;
 	char out[40];
-	int i;
+	unsigned int i;
 	uint32_t offset;
 
 	if (len < sizeof(struct mbim_basic_connect_ip_configuration_r)) {
@@ -265,7 +265,7 @@ mbim_config_response(void *buffer, int len)
 }
 
 static int
-mbim_radio_response(void *buffer, int len)
+mbim_radio_response(void *buffer, size_t len)
 {
 	struct mbim_basic_connect_radio_state_r *r = (struct mbim_basic_connect_radio_state_r *) buffer;
 
@@ -507,7 +507,8 @@ int
 main(int argc, char **argv)
 {
 	char *cmd, *device = NULL;
-	int no_open = 0, ch, i;
+	int no_open = 0, ch;
+	unsigned int i;
 #ifdef LIBQMI_MBIM_PROXY
 	int proxy = 0;
 #endif

mbim-dev.c

@@ -56,7 +56,7 @@ int
 mbim_send(void)
 {
 	struct mbim_message_header *hdr = (struct mbim_message_header *) mbim_buffer;
-	int ret = 0;
+	unsigned int ret = 0;
 
 	if (le32toh(hdr->length) > mbim_bufsize) {
 		fprintf(stderr, "message too big %d\n", le32toh(hdr->length));
@@ -94,7 +94,7 @@ mbim_recv(struct uloop_fd *u, unsigned int events)
 	if (cnt < 0)
 		return;
 
-	if (cnt < sizeof(struct mbim_message_header)) {
+	if (cnt < (ssize_t) sizeof(struct mbim_message_header)) {
 		perror("failed to read() data: ");
 		return;
 	}

mbim-msg.c

@@ -74,7 +74,7 @@ char *
 mbim_get_string(struct mbim_string *str, char *in)
 {
 	char *p = &in[le32toh(str->offset)];
-	int i;
+	unsigned int i;
 
 	if (!le32toh(str->offset))
 		return NULL;

mbim-msg.h

@@ -79,7 +79,7 @@ struct indicate_status_message {
 } __attribute__((packed));
 
 typedef int (*_mbim_cmd_request)(void);
-typedef int (*_mbim_cmd_response)(void *buffer, int len);
+typedef int (*_mbim_cmd_response)(void *buffer, size_t len);
 
 extern uint8_t basic_connect[16];
 extern int transaction_id;