Use strict prototypes

Use the special value void as parameter for functions taking nor
argument.

4 files changed, 6 insertions, 6 deletions

diff --git a/src/snuffleupagus.c b/src/snuffleupagus.c
index d5cb025..53e610a 100644
--- a/src/snuffleupagus.c
+++ b/src/snuffleupagus.c
@@ -57,7 +57,7 @@ ZEND_DLEXPORT zend_extension zend_extension_entry = {
     NULL,                /* op_array_dtor_func_t */
     STANDARD_ZEND_EXTENSION_PROPERTIES};
 
-static void sp_load_other_modules() {
+static void sp_load_other_modules(void) {
   // try to load other modules before initializing Snuffleupagus
   zend_module_entry *module;
   bool should_start = false;
@@ -327,7 +327,7 @@ static void add_df_to_arr(zval *arr, sp_disabled_function const *const df) {
   add_next_index_zval(arr, &arr_df);
 }
 
-static void dump_config() {
+static void dump_config(void) {
   zval arr;
   php_serialize_data_t var_hash;
   smart_str buf = {0};
diff --git a/src/sp_ifilter.h b/src/sp_ifilter.h
index 527c41d..03f3391 100644
--- a/src/sp_ifilter.h
+++ b/src/sp_ifilter.h
@@ -1,3 +1,3 @@
 #pragma once
 
-void sp_hook_register_server_variables();
+void sp_hook_register_server_variables(void);
diff --git a/src/sp_ini.h b/src/sp_ini.h
index 5869539..bc0cabe 100644
--- a/src/sp_ini.h
+++ b/src/sp_ini.h
@@ -1,2 +1,2 @@
-void sp_hook_ini();
-void sp_unhook_ini();
\ No newline at end of file
+void sp_hook_ini(void);
+void sp_unhook_ini(void);
diff --git a/src/sp_session.c b/src/sp_session.c
index 6335838..c97101c 100644
--- a/src/sp_session.c
+++ b/src/sp_session.c
@@ -73,7 +73,7 @@ static int sp_hook_s_write(PS_WRITE_ARGS) {
   return old_s_write(mod_data, key, val, maxlifetime);
 }
 
-static void sp_hook_session_module() {
+static void sp_hook_session_module(void) {
 #if PHP_VERSION_ID < 70300
   ps_module *old_mod = SESSION_G(mod);
 #else