From 45bba0e190da77c16e503c308ef5dfa120cfd46b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Mon, 3 Jan 2022 12:43:01 +0100
Subject: [PATCH] Use strict prototypes

Function declarations with no argument declare functions taking an
arbitrary number of arguments. Use the special type void to declare
functions taking no argument.
---
 lib/nss.c             |  2 +-
 lib/prototypes.h      | 18 +++++++++---------
 libmisc/prefix_flag.c | 12 ++++++------
 3 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/lib/nss.c b/lib/nss.c
index d1419f34..96364b76 100644
--- a/lib/nss.c
+++ b/lib/nss.c
@@ -29,7 +29,7 @@ bool nss_is_initialized() {
 	return atomic_load(&nss_init_completed);
 }
 
-static void nss_exit() {
+static void nss_exit(void) {
 	if (nss_is_initialized() && subid_nss) {
 		dlclose(subid_nss->handle);
 		free(subid_nss);
diff --git a/lib/prototypes.h b/lib/prototypes.h
index 6f80df82..43f0cf1d 100644
--- a/lib/prototypes.h
+++ b/lib/prototypes.h
@@ -164,7 +164,7 @@ extern int getrange (char *range,
                      unsigned long *max, bool *has_max);
 
 /* gettime.c */
-extern time_t gettime ();
+extern time_t gettime (void);
 
 /* get_uid.c */
 extern int get_uid (const char *uidstr, uid_t *uid);
@@ -243,7 +243,7 @@ extern /*@null@*//*@only@*/struct passwd *get_my_pwent (void);
 /* nss.c */
 #include <libsubid/subid.h>
 extern void nss_init(char *nsswitch_path);
-extern bool nss_is_initialized();
+extern bool nss_is_initialized(void);
 
 struct subid_nss_ops {
 	/*
@@ -293,7 +293,7 @@ struct subid_nss_ops {
 	void *handle;
 };
 
-extern struct subid_nss_ops *get_subid_nss_handle();
+extern struct subid_nss_ops *get_subid_nss_handle(void);
 
 
 /* pam_pass_non_interactive.c */
@@ -324,12 +324,12 @@ extern struct passwd *prefix_getpwuid(uid_t uid);
 extern struct passwd *prefix_getpwnam(const char* name);
 extern struct spwd *prefix_getspnam(const char* name);
 extern struct group *prefix_getgr_nam_gid(const char *grname);
-extern void prefix_setpwent();
-extern struct passwd* prefix_getpwent();
-extern void prefix_endpwent();
-extern void prefix_setgrent();
-extern struct group* prefix_getgrent();
-extern void prefix_endgrent();
+extern void prefix_setpwent(void);
+extern struct passwd* prefix_getpwent(void);
+extern void prefix_endpwent(void);
+extern void prefix_setgrent(void);
+extern struct group* prefix_getgrent(void);
+extern void prefix_endgrent(void);
 
 /* pwd2spwd.c */
 #ifndef USE_PAM
diff --git a/libmisc/prefix_flag.c b/libmisc/prefix_flag.c
index d4dfbc20..4eb51547 100644
--- a/libmisc/prefix_flag.c
+++ b/libmisc/prefix_flag.c
@@ -248,7 +248,7 @@ extern struct spwd *prefix_getspnam(const char* name)
 	}
 }
 
-extern void prefix_setpwent()
+extern void prefix_setpwent(void)
 {
 	if (!passwd_db_file) {
 		setpwent();
@@ -261,7 +261,7 @@ extern void prefix_setpwent()
 	if (!fp_pwent)
 		return;
 }
-extern struct passwd* prefix_getpwent()
+extern struct passwd* prefix_getpwent(void)
 {
 	if (!passwd_db_file) {
 		return getpwent();
@@ -271,7 +271,7 @@ extern struct passwd* prefix_getpwent()
 	}
 	return fgetpwent(fp_pwent);
 }
-extern void prefix_endpwent()
+extern void prefix_endpwent(void)
 {
 	if (!passwd_db_file) {
 		endpwent();
@@ -282,7 +282,7 @@ extern void prefix_endpwent()
 	fp_pwent = NULL;
 }
 
-extern void prefix_setgrent()
+extern void prefix_setgrent(void)
 {
 	if (!group_db_file) {
 		setgrent();
@@ -295,14 +295,14 @@ extern void prefix_setgrent()
 	if (!fp_grent)
 		return;
 }
-extern struct group* prefix_getgrent()
+extern struct group* prefix_getgrent(void)
 {
 	if (!group_db_file) {
 		return getgrent();
 	}
 	return fgetgrent(fp_grent);
 }
-extern void prefix_endgrent()
+extern void prefix_endgrent(void)
 {
 	if (!group_db_file) {
 		endgrent();