Bug: https://bugs.gentoo.org/870769

Signed-off-by: Holger Hoffstätte <holger@applied-asynchrony.com>

--- joe-4.6/joe/b.c
+++ joe-4.6-prototypes/joe/b.c
@@ -23,8 +23,6 @@
 #endif
 #endif
 
-extern int errno;
-
 #ifdef WITH_SELINUX
 #include <selinux/selinux.h>
 static int selinux_enabled = -1;
@@ -147,7 +145,7 @@ static void pfree(P *p)
 B bufs = { {&bufs, &bufs} };
 static B frebufs = { {&frebufs, &frebufs} };
 
-void set_file_pos_orphaned()
+void set_file_pos_orphaned(void)
 {
 	B *b;
 	for (b = bufs.link.next; b != &bufs; b = b->link.next)
@@ -324,7 +322,7 @@ void brm(B *b)
 	}
 }
 
-void brmall()
+void brmall(void)
 {
 	while (!qempty(B, link, &bufs))
 		brm(bufs.link.next);
--- joe-4.6/joe/b.h
+++ joe-4.6-prototypes/joe/b.h
@@ -171,7 +171,7 @@ extern const char *msgs[];	/* File acces
 
 B *bmk(B *prop);
 void brm(B *b);
-void brmall();
+void brmall(void);
 
 B *bfind(const char *s);
 B *bfind_scratch(const char *s);
@@ -330,7 +330,7 @@ extern int break_links; /* Break hard li
 extern int break_symlinks; /* Break symbolic links on write */
 extern int nodeadjoe; /* Prevent creation of DEADJOE files */
 
-void set_file_pos_orphaned();
+void set_file_pos_orphaned(void);
 
 void breplace(B *b, B *n);
 
--- joe-4.6/joe/charmap.c
+++ joe-4.6-prototypes/joe/charmap.c
@@ -1423,7 +1423,7 @@ main(int argc,char *argv[])
 
 /* Get names of available encodings (for tab completion of ^T E prompt) */
 
-char **get_encodings()
+char **get_encodings(void)
 {
 	int y;
 	char **encodings = 0;
@@ -1591,7 +1591,7 @@ struct charmap *locale_map;
 struct charmap *locale_map_non_utf8;
 			/* Old, non-utf8 version of locale */
 
-void joe_locale()
+void joe_locale(void)
 {
 	const char *sc;
 	char *s, *t, *u;
--- joe-4.6/joe/charmap.h
+++ joe-4.6-prototypes/joe/charmap.h
@@ -80,7 +80,7 @@ int from_utf8(struct charmap *map,const
 int to_uni(struct charmap *cset, int c);
 void to_utf8(struct charmap *map,char *s,int c);
 
-void joe_locale();
+void joe_locale(void);
 extern struct charmap *locale_map;	/* Character map of terminal */
 extern struct charmap *utf8_map;	/* UTF-8 character map */
 extern struct charmap *utf16_map;	/* UTF-16 character map */
--- joe-4.6/joe/cmd.c
+++ joe-4.6-prototypes/joe/cmd.c
@@ -476,7 +476,7 @@ int execmd(CMD *cmd, int k)
 	return ret;
 }
 
-void do_auto_scroll()
+void do_auto_scroll(void)
 {
 	static CMD *myscrup = 0;
 	static CMD *myscrdn = 0;
--- joe-4.6/joe/cmd.h
+++ joe-4.6-prototypes/joe/cmd.h
@@ -42,7 +42,7 @@ void addcmd(const char *s, MACRO *m);
 
 /* Execute a command.  Returns return value of command */
 int execmd(CMD *cmd, int k);
-void do_auto_scroll();
+void do_auto_scroll(void);
 
 extern B *cmdhist; /* Command history buffer */
 
--- joe-4.6/joe/kbd.c
+++ joe-4.6-prototypes/joe/kbd.c
@@ -425,7 +425,7 @@ static int dokeymap(W *w,char *s,void *o
 	return 0;
 }
 
-static char **get_keymap_list()
+static char **get_keymap_list(void)
 {
 	char **lst = 0;
 	struct context *c;
--- joe-4.6/joe/main.c
+++ joe-4.6-prototypes/joe/main.c
@@ -95,7 +95,7 @@ time_t cur_time;
 time_t timer_macro_delay;
 MACRO *timer_macro;
 
-MACRO *timer_play()
+MACRO *timer_play(void)
 {
 	cur_time = time(NULL);
 	if (timer_macro && timer_macro_delay && cur_time >= last_timer_time + timer_macro_delay) {
--- joe-4.6/joe/mouse.c
+++ joe-4.6-prototypes/joe/mouse.c
@@ -136,7 +136,7 @@ int uextmouse(W *w, int k)
 	return mouse_event(w);
 }
 
-long mnow()
+long mnow(void)
 {
 	struct timeval tv;
 	gettimeofday(&tv, NULL);
@@ -245,7 +245,7 @@ static void ttputs64(char *pp, ptrdiff_t
         }
 }
 
-static void ttputs64_flush()
+static void ttputs64_flush(void)
 {
     char x;
     switch (base64_count) {
@@ -449,7 +449,7 @@ int utomouse(W *xx, int k)
  * position that utomouse would use into tmspos. */
 static off_t tmspos;
 
-static int tomousestay()
+static int tomousestay(void)
 {
 	BW *bw;
 	ptrdiff_t x = Cx - 1,y = Cy - 1;
@@ -556,7 +556,7 @@ int udefmdown(W *xx, int k)
 	return 0;
 }
 
-void reset_trig_time()
+void reset_trig_time(void)
 {
 	if (!auto_rate)
 		auto_rate = 1;
@@ -761,7 +761,7 @@ int udefm3up(W *w, int k)
 	return 0;
 }
 
-void mouseopen()
+void mouseopen(void)
 {
 #ifdef MOUSE_XTERM
 	if (usexmouse) {
@@ -774,7 +774,7 @@ void mouseopen()
 #endif
 }
 
-void mouseclose()
+void mouseclose(void)
 {
 #ifdef MOUSE_XTERM
 	if (usexmouse) {
--- joe-4.6/joe/mouse.h
+++ joe-4.6-prototypes/joe/mouse.h
@@ -21,12 +21,12 @@ JOE; see the file COPYING.  If not, writ
 #define MOUSE_MULTI_THRESH	300
 
 #ifdef MOUSE_GPM
-int gpmopen();		/* initialize the connection. returns 0 on failure. */
-void gpmclose();	/* close the connection. */
+int gpmopen(void);		/* initialize the connection. returns 0 on failure. */
+void gpmclose(void);	/* close the connection. */
 #endif
 
-void mouseopen();	/* initialize mouse */
-void mouseclose();	/* de-initialize mouse */
+void mouseopen(void);	/* initialize mouse */
+void mouseclose(void);	/* de-initialize mouse */
 
 /* mousedn(int x, int y, int middle) - handle a mouse-down event */
 void mousedn(ptrdiff_t x, ptrdiff_t y, int middle);
@@ -56,8 +56,8 @@ int udefm3drag(W *, int);
 int udefmiddledown(W *, int);
 int udefmiddleup(W *, int);
 
-long mnow();
-void reset_trig_time();
+long mnow(void);
+void reset_trig_time(void);
 
 /* options */
 extern int floatmouse;	/* Allow mouse to set cursor past end of lines */
--- joe-4.6/joe/rc.c
+++ joe-4.6-prototypes/joe/rc.c
@@ -9,7 +9,7 @@
 
 /* Validate joerc file */
 
-int validate_rc()
+int validate_rc(void)
 {
 	KMAP *k;
 	if (!(k = ngetcontext("main")) || kmap_empty(k)) {
--- joe-4.6/joe/rc.h
+++ joe-4.6-prototypes/joe/rc.h
@@ -14,4 +14,4 @@
 int procrc(CAP *cap, char *name);
 
 /* Validate rc file: return -1 if it's bad (call this after rc file has been loaded) */
-int validate_rc();
+int validate_rc(void);
--- joe-4.6/joe/selinux.c
+++ joe-4.6-prototypes/joe/selinux.c
@@ -98,7 +98,7 @@ int match_default_security_context(const
 }
 
 
-int reset_default_security_context()
+int reset_default_security_context(void)
 {
 #ifdef WITH_SELINUX
 	if (selinux_enabled == -1)
--- joe-4.6/joe/selinux.h
+++ joe-4.6-prototypes/joe/selinux.h
@@ -1,4 +1,4 @@
 int copy_security_context(const char *from_file, const char *to_file);
 int match_default_security_context(const char *from_file);
-int reset_default_security_context();
+int reset_default_security_context(void);
 int output_security_context(const char *from_file);
--- joe-4.6/joe/state.c
+++ joe-4.6-prototypes/joe/state.c
@@ -79,7 +79,7 @@ static void load_hist(FILE *f,B **bp)
 
 #define STATE_ID "# JOE state file v1.0\n"
 
-void save_state()
+void save_state(void)
 {
 	char *home = getenv("HOME");
 	mode_t old_mask;
@@ -117,7 +117,7 @@ void save_state()
 
 /* Load state */
 
-void load_state()
+void load_state(void)
 {
 	char *home = getenv("HOME");
 	char buf[1024];
--- joe-4.6/joe/state.h
+++ joe-4.6-prototypes/joe/state.h
@@ -12,8 +12,8 @@ extern int joe_state;
 
 /* Load state from file */
 
-void load_state();
+void load_state(void);
 
 /* Save state to file */
 
-void save_state();
+void save_state(void);
--- joe-4.6/joe/syntax.c
+++ joe-4.6-prototypes/joe/syntax.c
@@ -450,7 +450,7 @@ static void iz_cmd(struct high_cmd *cmd)
 	cmd->call = 0;
 }
 
-static struct high_cmd *mkcmd()
+static struct high_cmd *mkcmd(void)
 {
 	struct high_cmd *cmd = (struct high_cmd *)joe_malloc(SIZEOF(struct high_cmd));
 	iz_cmd(cmd);
--- joe-4.6/joe/tty.c
+++ joe-4.6-prototypes/joe/tty.c
@@ -520,7 +520,7 @@ static void pauseit(void)
 
 /* Check for type-ahead */
 
-int ttcheck()
+int ttcheck(void)
 {
 	/* Ack previous packet */
 	if (ackkbd != -1 && acceptch != NO_MORE_DATA && !have) {
@@ -710,7 +710,7 @@ char ttgetc(void)
 
 static struct utf8_sm main_utf8_sm;
 
-int ttgetch()
+int ttgetch(void)
 {
 	if (locale_map->type) {
 		int utf8_char;
--- joe-4.6/joe/umath.c
+++ joe-4.6-prototypes/joe/umath.c
@@ -1645,7 +1645,7 @@ B *mathhist = NULL;
 
 static char **math_word_list;
 
-static void get_math_list()
+static void get_math_list(void)
 {
 	struct var *v;
 	char *s;
--- joe-4.6/joe/unicode.c
+++ joe-4.6-prototypes/joe/unicode.c
@@ -191,7 +191,7 @@ Convenient character classes:
 	cclass_notword:		\W	opposite
 */
 
-void joe_iswinit()
+void joe_iswinit(void)
 {
 	int x;
 
--- joe-4.6/joe/unicode.h
+++ joe-4.6-prototypes/joe/unicode.h
@@ -47,7 +47,7 @@ extern struct Cclass cclass_word[1];
 extern struct Cclass cclass_notword[1];
 extern struct Cclass cclass_combining[1];
 
-void joe_iswinit();
+void joe_iswinit(void);
 
 int joe_iswupper(struct charmap *,int c);
 int joe_iswlower(struct charmap *,int c);
--- joe-4.6/joe/ushell.c
+++ joe-4.6-prototypes/joe/ushell.c
@@ -114,7 +114,7 @@ static void cfollow(B *b, VT *vt, off_t
 	}
 }
 
-void vt_scrdn()
+void vt_scrdn(void)
 {
 	W *w;
 	 if ((w = maint->topwin) != NULL) {
--- joe-4.6/joe/ushell.h
+++ joe-4.6-prototypes/joe/ushell.h
@@ -17,4 +17,4 @@ extern B *runhist; /* Shell command hist
 extern B *buildhist; /* Build command history */
 extern B *grephist; /* Grep command history */
 
-void vt_scrdn();
+void vt_scrdn(void);
--- joe-4.6/joe/utag.c
+++ joe-4.6-prototypes/joe/utag.c
@@ -33,7 +33,7 @@ static void freetag(TAG *n)
 	enquef(TAG, link, &tagnodes, n);
 }
 
-static void clrtags()
+static void clrtags(void)
 {
 	while (!qempty(TAG, link, &tags)) {
 		freetag(deque_f(TAG, link, tags.link.next));
@@ -386,7 +386,7 @@ static int dotag(W *w, char *s, void *ob
 static char **tag_word_list;
 static time_t last_update;
 
-static void get_tag_list()
+static void get_tag_list(void)
 {
 	char buf[512];
 	char tag[512];
--- joe-4.6/joe/util/checkwidths.c
+++ joe-4.6-prototypes/joe/util/checkwidths.c
@@ -87,7 +87,7 @@ int full_read(unsigned char *p, int tota
 
 int get_line(char *buf, int timeout)
 {
-    char c;
+    unsigned char c;
     for (;;) {
         int x;
         for (x = 0; x != timeout; ++x)
@@ -104,7 +104,7 @@ int get_line(char *buf, int timeout)
     
 }
 
-int main()
+int main(int argc, char **argv)
 {
     struct termios org_attr;
     struct termios attr;