From 538fdc0c743f688adf7710bd86fd0f5cad41ed5d Mon Sep 17 00:00:00 2001
From: "Axel K. Reinhold" <github@freakout.de>
Date: Thu, 23 Jan 2025 09:42:48 +0100
Subject: [PATCH] codebase ISO-8859-15 Fixes #18

---
 README.md          | 22 +++++++++++++++++++++-
 arx/Makefile.in    |  2 +-
 arx/src/cur_getk.c |  3 +++
 arx/src/cur_init.c | 12 ++++++++++++
 docs/index.md      | 19 +++++++++++++++++++
 mc/Name            |  2 +-
 mc/src/mcfile.c    |  4 ++--
 7 files changed, 59 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index c64a7f3..9339823 100644
--- a/README.md
+++ b/README.md
@@ -46,10 +46,30 @@ You need i686 glibc installed on 64bit machines: `sudo yum install glibc.i686`
 `docker run -e COLUMNS -e LINES -e TERM -ti ghcr.io/freakout42/macrocalc:latest`  
 
 6. Windows .exe Download  
-https://github.com/freakout42/macrocalc/releases/download/v10.51/mc-10.52-w3-i386.exe.zip  
+https://github.com/freakout42/macrocalc/releases/download/v10.53/mc-10.53-w3-i386.exe.zip  
 and unzip mc.exe and mc2wks.exe. Start it with any console with full
 pathname or double-click it with the explorer.
 
+Non-ascii characters
+--------------------
+
+The sourcecode of MacroCALC is from 1979 - there is no unicode (UTF-8) support.
+For international characters configure your terminal for an 8-bit codebase:
+
+If you are using PuTTY you must set for the session:
+
+    Window->Translation->Remote character set = ISO-8859-15
+
+With the MacOS Terminal application:
+
+    Settings->General->Profiles->International->
+      Text Encoding = Western (ISO Latin 9)
+    X Set locale environment variables on startup
+
+Start a local xterm with:
+
+    LC_ALL=en_US.iso885915 LANG=en_US.iso885915-US xterm
+
 Getting started
 ---------------
 Navigate through the sheet with the arrow-keys. The dot (.) marks the
diff --git a/arx/Makefile.in b/arx/Makefile.in
index 771b85c..0005325 100755
--- a/arx/Makefile.in
+++ b/arx/Makefile.in
@@ -2,7 +2,7 @@
 # for: $Os
 
 ARXREL=8
-ARXVER=7
+ARXVER=8
 
 ARX=../../arx
 DIRS=inc src lib
diff --git a/arx/src/cur_getk.c b/arx/src/cur_getk.c
index 742dfd7..5d26d89 100644
--- a/arx/src/cur_getk.c
+++ b/arx/src/cur_getk.c
@@ -31,6 +31,9 @@ register int		ch;
 
 wrefresh (w);
 ch = wgetch (w);
+#ifdef WIN32
+if (ch < 0) ch = 256 + ch;
+#endif
 switch (ch)
  {
  case KEY_BS:		return KEY_BACKSPACE;
diff --git a/arx/src/cur_init.c b/arx/src/cur_init.c
index fa6a8ea..6d8bdab 100644
--- a/arx/src/cur_init.c
+++ b/arx/src/cur_init.c
@@ -79,6 +79,18 @@ if (around >= 3)
 
 cur_redir = around;
 
+#ifdef WIN32
+#define ISO_8859_15_CP 28605
+/*if (IsValidCodePage(ISO_8859_15_CP) == 0) return NULL;*/
+SetConsoleCP(ISO_8859_15_CP);
+SetConsoleOutputCP(ISO_8859_15_CP);
+#else
+#define ISO_8859_15_CP "en_US.iso885915"
+setenv("LC_ALL", ISO_8859_15_CP, 1);
+setenv("LANG", ISO_8859_15_CP, 1);
+/* ESC % @ */
+#endif
+
 if ((stdscreen = initscr()) == NULL) return NULL;
 #ifdef DEBUG
 fprintf (stderr, "cur_init: %s\n", "initscr() done");
diff --git a/docs/index.md b/docs/index.md
index b4ceb1d..ca705a4 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -65,6 +65,25 @@ Here is an example for Linux/bash:
 
 **REMEMBER TO START MacroCALC WITH THE `-u` OPTION TO USE THE UNIT FUNCTIONALITY**
 
+### non-ascii characters
+
+Since the sourcecode of MacroCALC is from 1979 there is no unicode (UTF-8) support.
+To get international characters configure your terminal for an 8-bit codebase:
+
+If you are using PuTTY you must set for the session:
+
+    Window->Translation->Remote character set = ISO-8859-15
+
+With the MacOS Terminal application:
+
+    Settings->General->Profiles->International->
+      Text Encoding = Western (ISO Latin 9)
+    X Set locale environment variables on startup
+
+Start a local xterm with:
+
+    LC_ALL=en_US.iso885915 LANG=en_US.iso885915-US xterm
+
 ### getting started
 
 Navigate through the sheet with the arrow-keys. The dot (.) marks the
diff --git a/mc/Name b/mc/Name
index 42135cb..aedd2f9 100644
--- a/mc/Name
+++ b/mc/Name
@@ -1 +1 @@
-mc v10.52
+mc v10.53
diff --git a/mc/src/mcfile.c b/mc/src/mcfile.c
index 04c6b9e..f72c8e4 100644
--- a/mc/src/mcfile.c
+++ b/mc/src/mcfile.c
@@ -78,7 +78,7 @@ if (prompt == 2) {
   sprintf(msgcmd, "%s -r <%s", mc2wkspath(0), filename);
   file = popen(msgcmd, "r");
 } else {
-  file = fopen(filename, "r");
+  file = fopen(filename, "rb");
 }
 if (file == NULL)
 	{
@@ -137,7 +137,7 @@ if (prompt == 2) {
   sprintf(msgcmd, "%s >%s", mc2wkspath(0), filename);
   file = popen(msgcmd, "w");
 } else {
-  file = fopen(filename, "w");
+  file = fopen(filename, "wb");
 }
 if (file == NULL)
 	{