From c5103c2256a011e3c75a496b344add108d67c867 Mon Sep 17 00:00:00 2001
From: akleine <alb.kleine@gmx.de>
Date: Fri, 3 Jul 2026 11:42:14 +0200
Subject: [PATCH] fix: avoid crash in recent Termux versions (Linux kernel 6.x,
 64 bit)

also changed some macros for compiling using cc without any warning messages
---
 e3.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/e3.c b/e3.c
index 31cf6a4..74d65b2 100644
--- a/e3.c
+++ b/e3.c
@@ -228,11 +228,11 @@ unsigned char text [max];
 
 long stack[100];
 
-#define RETURN	goto *(*esp--)
+#define RETURN	goto *(void*)*esp--
 #define CALL(calladr,retadr) *++esp=(long)&&_loc##retadr; goto calladr; _loc##retadr:
 #define PUSH(arg) *++esp=arg
-//#define POP(arg) (long*)arg=*esp--
-#define POP(arg) arg=(long *)(*esp--);
+#define POPEBP(arg) arg=(unsigned char*)*esp--
+#define POP(arg) arg=(long)*esp--;
 
 int main(int argc,char**argv,char **envp)
 {
@@ -369,7 +369,7 @@ Menu:	CALL(MakeScanCode,12);
 	if (eax>=27) goto EndeRet;	// if no valid scancode
 CompJump2:ebx=(long)jarray[(int)ebx];
 //------
-	CALL(*ebx,13);			// the general code jump dispatcher
+	CALL(*(void*)ebx,13);			// the general code jump dispatcher
 //------	
 	if (numeriere)
 	{
@@ -855,7 +855,7 @@ SB_ret:	extra=1;
 	lines = (eax-1)&0xFF;		// without status line
 #if 1
 	// this is not portable: maybe 32bit Linux plus some Un*x systems ? 
-	columns = eax >> 16;		// columns > 255 are ignored...
+	columns = (eax >> 16)& 0xFF;		// columns > 255 are ignored...
 #else
 	columns = 80;
 #endif
@@ -912,7 +912,7 @@ sl4:	++edi;
 	CALL(sys_writeKP,93);		// restore old cursor pos
 NoWrite:POP(edi);
 	POP(esi);
-	POP(ebp);
+	POPEBP(ebp);
 	POP(ebx);
 	POP(edx);
 	POP(ecx);
@@ -1555,7 +1555,7 @@ RSL4:	edi = (long)&(screenline[-2]);
 RSno_lineNr:CALL(StatusLineShow,156);	// now write all at once
 	POP(edi);
 	POP(esi);
-	POP(ebp);
+	POPEBP(ebp);
 	POP(ebx);
 	POP(edx);
 	POP(ecx);
@@ -1585,7 +1585,7 @@ WriteMess9:PUSH(eax);
 	CALL(StatusLineShow,158);
 	POP(edi);
 	POP(esi);
-	POP(ebp);
+	POPEBP(ebp);
 	POP(ebx);
 	POP(edx);
 	POP(ecx);
@@ -1782,7 +1782,7 @@ CloseFile:eax=close(ebx);
 	RETURN;
 Fstat:	eax=fstat(ebx,&fstatbuf);
 	RETURN;
-RenameFile:eax=rename((unsigned char*)ebx,(unsigned char*)ecx);
+RenameFile:eax=rename((const char*)ebx,(const char*)ecx);
 	RETURN;
 ChownFile:eax=fchown(ebx,ecx,edx);
 	RETURN;