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From 11d45226114bf2e1405964c81c7610a8d6074947 Mon Sep 17 00:00:00 2001
From: Chris Packham <judge.packham@gmail.com>
Date: Wed, 30 Apr 2025 16:37:48 +1200
Subject: [PATCH] readline/tcap.h: Update definitions for C23
C23 changes how function definitions like int `int tputs ()` are
interpreted. In older standards this meant that the function arguments
are unknown. In C23 this is interpreted as `int tputs (void)` so now
when we compile with GCC15 (which defaults to -std=gnu23) we get an
error such as
readline/display.c:2839:17: error: too many arguments to function 'tputs'; expected 0, have 3
Add the function arguments for tgetent(), tgetflag(), tgetnum(),
tgetstr(), tputs() and tgoto().
Signed-off-by: Chris Packham <judge.packham@gmail.com>
---
readline/readline/tcap.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/readline/readline/tcap.h b/readline/readline/tcap.h
index 859e6eed5aa..9e2ed124e49 100644
--- a/readline/readline/tcap.h
+++ b/readline/readline/tcap.h
@@ -46,14 +46,14 @@ extern char *UP, *BC;
extern short ospeed;
-extern int tgetent ();
-extern int tgetflag ();
-extern int tgetnum ();
-extern char *tgetstr ();
+extern int tgetent (char *bp, const char *name);
+extern int tgetflag (char *id);
+extern int tgetnum (char *id);
+extern char *tgetstr (char *id, char **area);
-extern int tputs ();
+extern int tputs (const char *str, int affcnt, int (*putc)(int));
-extern char *tgoto ();
+extern char *tgoto (const char *cap, int col, int row);
#endif /* HAVE_TERMCAP_H */
--
2.49.0
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