From 2d32a07198daea117687ef595c941204251e461a Mon Sep 17 00:00:00 2001
From: "R. Belmont" <rb6502@users.noreply.github.com>
Date: Mon, 10 Jan 2011 14:32:42 +0000
Subject: [PATCH] SDL OS/2 fixes [K.O. Myung-Hun]

---
 .gitattributes            |  1 +
 src/emu/debug/debugcpu.c  |  2 +-
 src/osd/sdl/sdlos_os2.c   | 66 +++++++++++++++++++++++++++++++++++++++
 src/osd/sdl/sdlptty_os2.c | 35 +++++++++++++++++++++
 4 files changed, 103 insertions(+), 1 deletion(-)
 create mode 100644 src/osd/sdl/sdlptty_os2.c

diff --git a/.gitattributes b/.gitattributes
index 4941b1c24c7..331bd35a7e3 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -4414,6 +4414,7 @@ src/osd/sdl/sdlos_unix.c svneol=native#text/plain
 src/osd/sdl/sdlos_win32.c svneol=native#text/plain
 src/osd/sdl/sdlprefix.h svneol=native#text/plain
 src/osd/sdl/sdlptty_macosx.c svneol=native#text/plain
+src/osd/sdl/sdlptty_os2.c svneol=native#text/plain
 src/osd/sdl/sdlptty_unix.c svneol=native#text/plain
 src/osd/sdl/sdlptty_win32.c svneol=native#text/plain
 src/osd/sdl/sdlsocket.c svneol=native#text/plain
diff --git a/src/emu/debug/debugcpu.c b/src/emu/debug/debugcpu.c
index db2fac0d4cf..ee2b85a9d5c 100644
--- a/src/emu/debug/debugcpu.c
+++ b/src/emu/debug/debugcpu.c
@@ -51,7 +51,7 @@
 #include "xmlfile.h"
 #include <ctype.h>
 #include <zlib.h>
-#ifdef SDLMAME_FREEBSD
+#if defined(SDLMAME_FREEBSD) || defined(SDLMAME_OS2)
 # undef tolower
 #endif
 
diff --git a/src/osd/sdl/sdlos_os2.c b/src/osd/sdl/sdlos_os2.c
index a3fc8065bc7..fa9e1c11c1a 100644
--- a/src/osd/sdl/sdlos_os2.c
+++ b/src/osd/sdl/sdlos_os2.c
@@ -16,6 +16,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <stdlib.h>
+#include <sys/stat.h>
 
 #define INCL_DOS
 #include <os2.h>
@@ -240,3 +241,68 @@ char *osd_get_clipboard_text(void)
 
 	return result;
 }
+
+//============================================================
+//  osd_stat
+//============================================================
+
+osd_directory_entry *osd_stat(const char *path)
+{
+	int err;
+	osd_directory_entry *result = NULL;
+	struct stat st;
+
+	err = stat(path, &st);
+
+	if( err == -1) return NULL;
+
+	// create an osd_directory_entry; be sure to make sure that the caller can
+	// free all resources by just freeing the resulting osd_directory_entry
+	result = (osd_directory_entry *) osd_malloc(sizeof(*result) + strlen(path) 
+ 1);
+	strcpy(((char *) result) + sizeof(*result), path);
+	result->name = ((char *) result) + sizeof(*result);
+	result->type = S_ISDIR(st.st_mode) ? ENTTYPE_DIR : ENTTYPE_FILE;
+	result->size = (UINT64)st.st_size;
+
+	return result;
+}
+
+//============================================================
+//  osd_get_volume_name
+//============================================================
+
+const char *osd_get_volume_name(int idx)
+{
+	static char szDrive[] = "A:\\";
+
+	ULONG ulCurDisk;
+	ULONG ulDriveMap;
+
+	DosQueryCurrentDisk(&ulCurDisk, &ulDriveMap);
+
+	szDrive[ 0 ] = 'A';
+	while(idx--) {
+		do
+		{
+			ulDriveMap >>= 1;
+			szDrive[ 0 ]++;
+		} while(ulDriveMap && (ulDriveMap & 1) == 0);
+		if (!ulDriveMap) return NULL;
+	}
+
+	return szDrive;
+}
+
+//============================================================
+//  osd_get_full_path
+//============================================================
+
+file_error osd_get_full_path(char **dst, const char *path)
+{
+	*dst = (char *)osd_malloc(CCHMAXPATH + 1);
+	if (*dst == NULL)
+		return FILERR_OUT_OF_MEMORY;
+
+	_abspath(*dst, path, CCHMAXPATH + 1);
+	return FILERR_NONE;
diff --git a/src/osd/sdl/sdlptty_os2.c b/src/osd/sdl/sdlptty_os2.c
new file mode 100644
index 00000000000..edb0fbb2175
--- /dev/null
+++ b/src/osd/sdl/sdlptty_os2.c
@@ -0,0 +1,35 @@
+//============================================================
+//
+//  sdlptty_os2 - SDL psuedo tty access functions
+//  (OS/2 has no pttys - maybe named pipes?)
+//
+//  Copyright (c) 1996-2010, Nicola Salmoria and the MAME Team.
+//  Visit http://mamedev.org for licensing and usage restrictions.
+//
+//  SDLMAME by Olivier Galibert and R. Belmont
+//
+//============================================================
+
+#include "sdlfile.h"
+
+const char *sdlfile_ptty_identifier  = "";
+
+file_error sdl_open_ptty(const char *path, UINT32 openflags, osd_file **file, UINT64 *filesize)
+{
+	return FILERR_ACCESS_DENIED;
+}
+
+file_error sdl_read_ptty(osd_file *file, void *buffer, UINT64 offset, UINT32 count, UINT32 *actual)
+{
+	return FILERR_ACCESS_DENIED;
+}
+
+file_error sdl_write_ptty(osd_file *file, const void *buffer, UINT64 offset, UINT32 count, UINT32 *actual)
+{
+	return FILERR_ACCESS_DENIED;
+}
+
+file_error sdl_close_ptty(osd_file *file)
+{
+	return FILERR_ACCESS_DENIED;
+}