Add explicit void prototypes to make modern compilers happy

mvp · mvp · commit 33f1ecb2dd83 · 2023-03-31T14:44:54.000-07:00
diff --git a/uhubctl.c b/uhubctl.c
@@ -261,7 +261,7 @@ static const struct option long_options[] = {
 };
 
 
-static int print_usage()
+static int print_usage(void)
 {
     printf(
         "uhubctl: utility to control USB port power for smart hubs.\n"
@@ -823,7 +823,7 @@ static int print_port_status(struct hub_info * hub, int portmask)
  *  In case of error returns negative error code.
  */
 
-static int usb_find_hubs()
+static int usb_find_hubs(void)
 {
     struct libusb_device *dev;
     int perm_ok = 1;

Original file line number	Diff line number	Diff line change
`@@ -261,7 +261,7 @@ static const struct option long_options[] = {`
`261`	`261`	`};`
`262`	`262`
`263`	`263`
`264`		`-static int print_usage()`
	`264`	`+static int print_usage(void)`
`265`	`265`	`{`
`266`	`266`	`printf(`
`267`	`267`	`"uhubctl: utility to control USB port power for smart hubs.\n"`
`@@ -823,7 +823,7 @@ static int print_port_status(struct hub_info * hub, int portmask)`
`823`	`823`	`* In case of error returns negative error code.`
`824`	`824`	`*/`
`825`	`825`
`826`		`-static int usb_find_hubs()`
	`826`	`+static int usb_find_hubs(void)`
`827`	`827`	`{`
`828`	`828`	`struct libusb_device *dev;`
`829`	`829`	`int perm_ok = 1;`