5 files changed, 6 insertions, 6 deletions

diff --git a/common/userpref.h b/common/userpref.h
index ce38018..0c70437 100644
--- a/common/userpref.h
+++ b/common/userpref.h
@@ -61,7 +61,7 @@ typedef gnutls_datum_t key_data_t;
 
 typedef int16_t userpref_error_t;
 
-const char *userpref_get_config_dir();
+const char *userpref_get_config_dir(void);
 int userpref_read_system_buid(char **system_buid);
 userpref_error_t userpref_read_pair_record(const char *udid, plist_t *pair_record);
 userpref_error_t userpref_save_pair_record(const char *udid, plist_t pair_record);
diff --git a/common/utils.h b/common/utils.h
index 97d3748..90cfa4a 100644
--- a/common/utils.h
+++ b/common/utils.h
@@ -40,7 +40,7 @@ char *string_concat(const char *str, ...);
 char *string_build_path(const char *elem, ...);
 char *string_format_size(uint64_t size);
 char *string_toupper(char *str);
-char *generate_uuid();
+char *generate_uuid(void);
 
 void buffer_read_from_filename(const char *filename, char **buffer, uint64_t *length);
 void buffer_write_to_filename(const char *filename, const char *buffer, uint64_t length);
diff --git a/tools/idevicebackup2.c b/tools/idevicebackup2.c
index a43cbda..d223015 100644
--- a/tools/idevicebackup2.c
+++ b/tools/idevicebackup2.c
@@ -1038,7 +1038,7 @@ static void mb2_copy_directory_by_path(const char *src, const char *dst)
 #define my_getch getch
 #else
 #define BS_CC 0x7f
-static int my_getch()
+static int my_getch(void)
 {
         struct termios oldt, newt;
         int ch;
diff --git a/tools/idevicename.c b/tools/idevicename.c
index c013edc..d94657b 100644
--- a/tools/idevicename.c
+++ b/tools/idevicename.c
@@ -28,7 +28,7 @@
 #include <libimobiledevice/libimobiledevice.h>
 #include <libimobiledevice/lockdown.h>
 
-static void print_usage()
+static void print_usage(void)
 {
         printf("Usage: idevicename [OPTIONS] [NAME]\n");
         printf("Display the device name or set it to NAME if specified.\n");
diff --git a/tools/idevicesyslog.c b/tools/idevicesyslog.c
index 52a4174..7aa6126 100644
--- a/tools/idevicesyslog.c
+++ b/tools/idevicesyslog.c
@@ -48,7 +48,7 @@ static void syslog_callback(char c, void *user_data)
         putchar(c);
 }
 
-static int start_logging()
+static int start_logging(void)
 {
         idevice_error_t ret = idevice_new(&device, udid);
         if (ret != IDEVICE_E_SUCCESS) {
@@ -83,7 +83,7 @@ static int start_logging()
         return 0;
 }
 
-static void stop_logging()
+static void stop_logging(void)
 {
         fflush(stdout);