From 3787fc242cf7af5bb141ff46913c14e30f0e1c9c Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Tue, 26 Nov 2024 21:57:04 +0000
Subject: avoid () decls for C23; from Sam James

git-svn-id: svn://tug.org/texlive/trunk@72980 c570f23f-e606-0410-a88d-b1316a301751
---
 Build/source/texk/xdvik/ChangeLog         | 11 +++++++++++
 Build/source/texk/xdvik/dvi-draw.c        |  3 ---
 Build/source/texk/xdvik/gui/menu.c        |  4 ++--
 Build/source/texk/xdvik/gui/menu.h        |  2 +-
 Build/source/texk/xdvik/gui/sfDraw.c      |  1 -
 Build/source/texk/xdvik/gui/sfDraw.h      |  2 +-
 Build/source/texk/xdvik/gui/sfSelFile.c   |  2 +-
 Build/source/texk/xdvik/squeeze/squeeze.c |  1 -
 8 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/Build/source/texk/xdvik/ChangeLog b/Build/source/texk/xdvik/ChangeLog
index 178ee39a084..df40eea406b 100644
--- a/Build/source/texk/xdvik/ChangeLog
+++ b/Build/source/texk/xdvik/ChangeLog
@@ -1,3 +1,14 @@
+2024-11-26  Sam James  <sam@gentoo.org>
+
+	* dvi-draw.c (lseek,pow): remove () declarations, incompatible
+	with C23.
+	* gui/menu.c,
+	* gui/sfDraw.c,
+	* gui/sfDraw.h,
+	* gui/sfSelFile.c: avoid () decls.
+	https://tug.org/pipermail/tex-live/2024-November/050931.html
+	https://tug.org/pipermail/tex-live/2024-November/050930.html
+
 2023-02-02  Florian Weimer  <fweimer@redhat.com>
 
 	* m4/xdvi-func-setsid-in-fork.m4.c99-4: avoid implicit
diff --git a/Build/source/texk/xdvik/dvi-draw.c b/Build/source/texk/xdvik/dvi-draw.c
index c938508d00f..afa481726cb 100644
--- a/Build/source/texk/xdvik/dvi-draw.c
+++ b/Build/source/texk/xdvik/dvi-draw.c
@@ -198,7 +198,6 @@ bmUnitT bit_masks[] = {
 #ifdef	VMS
 #define	off_t	int
 #endif
-extern off_t lseek();
 
 #ifndef	SEEK_SET	/* if <unistd.h> is not provided (or for <X11R5) */
 #define	SEEK_SET	0
@@ -4693,8 +4692,6 @@ anchor_search(const char *str)
 
 #if GREY
 
-extern	double	pow();
-
 static void
 mask_shifts(Pixel mask, int *pshift1, int *pshift2)
 {
diff --git a/Build/source/texk/xdvik/gui/menu.c b/Build/source/texk/xdvik/gui/menu.c
index 6e305f2e8b4..bcc0b337861 100644
--- a/Build/source/texk/xdvik/gui/menu.c
+++ b/Build/source/texk/xdvik/gui/menu.c
@@ -62,7 +62,7 @@ static struct button_info *m_button_info = NULL; /* toplevel node of pulldown me
 
 
 static void
-set_menu_info(void *val, XtActionProc proc, Boolean (*cmp)(), struct button_info *item)
+set_menu_info(void *val, XtActionProc proc, Boolean (*cmp)(void *, const char *), struct button_info *item)
 {
     size_t i;
     ASSERT(item != NULL, "item in set_menu_info musn't be NULL!");
@@ -96,7 +96,7 @@ set_menu_info(void *val, XtActionProc proc, Boolean (*cmp)(), struct button_info
 
 /* set a menu according to val and the compare function cmp */
 void
-set_menu(void *val, XtActionProc proc, Boolean (*cmp)())
+set_menu(void *val, XtActionProc proc, Boolean (*cmp)(void *, const char *))
 {
     /* removed following since cast from function pointer to void pointer is not supported by ANSI C */
     /* TRACE_GUI((stderr, "set_menu_info: %d, %p, %p", *(int *)val, (void *)proc, (void *)cmp)); */
diff --git a/Build/source/texk/xdvik/gui/menu.h b/Build/source/texk/xdvik/gui/menu.h
index 97c38cccb0d..9860ac7feea 100644
--- a/Build/source/texk/xdvik/gui/menu.h
+++ b/Build/source/texk/xdvik/gui/menu.h
@@ -67,6 +67,6 @@ extern void create_menu_buttons(Widget parent,
 #endif
 				);
 
-extern void set_menu(void *val, XtActionProc proc, Boolean (*cmp)());
+extern void set_menu(void *val, XtActionProc proc, Boolean (*cmp)(void *, const char *));
 
 #endif /* MENU_H_ */
diff --git a/Build/source/texk/xdvik/gui/sfDraw.c b/Build/source/texk/xdvik/gui/sfDraw.c
index d980c2bda13..4bd06dbfe6b 100644
--- a/Build/source/texk/xdvik/gui/sfDraw.c
+++ b/Build/source/texk/xdvik/gui/sfDraw.c
@@ -238,7 +238,6 @@ SFstatAndCheck(SFDir *dir, SFEntry *entry)
     struct stat statBuf;
     char save;
     int last;
-    extern int SFchdir();
 
     /*
      * must be restored before returning
diff --git a/Build/source/texk/xdvik/gui/sfDraw.h b/Build/source/texk/xdvik/gui/sfDraw.h
index a7bc1a8cfbe..64f82ec856e 100644
--- a/Build/source/texk/xdvik/gui/sfDraw.h
+++ b/Build/source/texk/xdvik/gui/sfDraw.h
@@ -56,7 +56,7 @@ void SFhAreaSelectedCallback(Widget w, int n, int pnew);
 void SFpathSliderMovedCallback(Widget w, XtPointer client_data, float *new);
 void SFpathAreaSelectedCallback(Widget w, XtPointer client_data, int pnew);
 Boolean SFworkProc(void);
-extern int (*SFfunc)();
+extern int (*SFfunc)(char *entryReal, char **entryShown, struct stat *statBuf);
 
 extern Widget selFileField, selFileForm, selFileHScroll, selFileHScrolls[], selFileLists[], selFileVScrolls[];
 extern Display *SFdisplay;
diff --git a/Build/source/texk/xdvik/gui/sfSelFile.c b/Build/source/texk/xdvik/gui/sfSelFile.c
index 7afcc1acedf..68cdfef2456 100644
--- a/Build/source/texk/xdvik/gui/sfSelFile.c
+++ b/Build/source/texk/xdvik/gui/sfSelFile.c
@@ -125,7 +125,7 @@ XtAppContext SFapp;
 int SFpathScrollWidth, SFvScrollHeight, SFhScrollWidth;
 char SFtextBuffer[MAXPATHLEN];
 XtIntervalId SFdirModTimerId;
-int (*SFfunc) ();
+int (*SFfunc) (char *entryReal, char **entryShown, struct stat *statBuf);
 
 static int SFstatus = SEL_FILE_NULL;
 
diff --git a/Build/source/texk/xdvik/squeeze/squeeze.c b/Build/source/texk/xdvik/squeeze/squeeze.c
index 58ede78a120..7cd7b109fd8 100644
--- a/Build/source/texk/xdvik/squeeze/squeeze.c
+++ b/Build/source/texk/xdvik/squeeze/squeeze.c
@@ -118,7 +118,6 @@ main(int argc, char *argv[])
     int c;
     char *b;
     char seeking;
-    extern void exit();
 
     if (argc > 3 || (in = (argc < 2 ? stdin : fopen(argv[1], "r"))) == NULL ||
 	(out = (argc < 3 ? stdout : fopen(argv[2], "w"))) == NULL) {
-- 
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