From 0f047b89ce1598ce5b806bae56598b120ad13c32 Mon Sep 17 00:00:00 2001
From: "Darryl L. Miles" <darryl.miles@darrylmiles.org>
Date: Mon, 25 Aug 2025 11:29:34 +0100
Subject: [PATCH] txMain.c: readline needs function shim for prototype
 difference TxGetChar

USE_READLINE build option
---
 textio/txMain.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/textio/txMain.c b/textio/txMain.c
index 93495b1d..6fb6cdae 100644
--- a/textio/txMain.c
+++ b/textio/txMain.c
@@ -101,6 +101,14 @@ TxInit(void)
 
 #ifdef USE_READLINE
 
+/*ARGSUSED*/
+static int
+TxGetChar_internal(FILE *fp)
+{
+    /* The readline prototype is: typedef int rl_getc_func_t PARAMS((FILE *)); */
+    return TxGetChar();
+}
+
 void
 TxInitReadline(void)
 {
@@ -108,7 +116,7 @@ TxInitReadline(void)
     const char * const *commandTable;
     char nobell[] = "set bell-style none";
 
-    rl_getc_function = TxGetChar;
+    rl_getc_function = TxGetChar_internal;
     rl_pre_input_hook = TxPrefix;
     rl_readline_name = "magic";