treewide: fix -Wstrict-prototypes

5 files changed, 6 insertions, 6 deletions

diff --git a/lib/log.c b/lib/log.c
index 1a3d7154..9c8c7a6f 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -203,7 +203,7 @@ enum kr_log_group kr_log_name2grp(const char *name)
 
 
 
-static void kr_gnutls_log_level_set()
+static void kr_gnutls_log_level_set(void)
 {
 	/* gnutls logs messages related to our TLS and also libdnssec,
 	 * and the logging is set up in a global way only */
@@ -238,7 +238,7 @@ void kr_log_group_add(enum kr_log_group group)
 		kr_gnutls_log_level_set();
 }
 
-void kr_log_group_reset()
+void kr_log_group_reset(void)
 {
 	bool had_gnutls = kr_log_group_is_set(LOG_GRP_GNUTLS);
 	kr_log_groups = 0;
diff --git a/lib/log.h b/lib/log.h
index 1a0237a1..64c8bb5d 100644
--- a/lib/log.h
+++ b/lib/log.h
@@ -139,7 +139,7 @@ bool kr_log_group_is_set(enum kr_log_group group);
 KR_EXPORT
 void kr_log_group_add(enum kr_log_group group);
 KR_EXPORT
-void kr_log_group_reset();
+void kr_log_group_reset(void);
 KR_EXPORT
 const char *kr_log_grp2name(enum kr_log_group group);
 KR_EXPORT
diff --git a/lib/module.h b/lib/module.h
index 7548803c..507b2df1 100644
--- a/lib/module.h
+++ b/lib/module.h
@@ -22,7 +22,7 @@ struct kr_prop;
  * @param module module name (e.g. policy)
  */
 #define KR_MODULE_EXPORT(module) \
-    KR_EXPORT uint32_t module ## _api() { return KR_MODULE_API; }
+    KR_EXPORT uint32_t module ## _api(void) { return KR_MODULE_API; }
 #define KR_MODULE_API ((uint32_t) 0x20210125)
 
 typedef uint32_t (module_api_cb)(void);
diff --git a/lib/utils.c b/lib/utils.c
index 52366e91..8b7e1270 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -1224,7 +1224,7 @@ char *kr_rrset_text(const knot_rrset_t *rr)
 	return buf;
 }
 
-uint64_t kr_now()
+uint64_t kr_now(void)
 {
 	return uv_now(uv_default_loop());
 }
diff --git a/lib/utils.h b/lib/utils.h
index 0d1d8456..1f30e984 100644
--- a/lib/utils.h
+++ b/lib/utils.h
@@ -503,7 +503,7 @@ static inline uint16_t kr_rrset_type_maysig(const knot_rrset_t *rr)
  * \note it may be outdated in case of long callbacks; see uv_now().
  */
 KR_EXPORT
-uint64_t kr_now();
+uint64_t kr_now(void);
 
 /** Call free(handle->data); it's useful e.g. as a callback in uv_close(). */
 KR_EXPORT void kr_uv_free_cb(uv_handle_t* handle);