From 30bd5e964602ac3b95b11e01d1a52ef13c396bd7 Mon Sep 17 00:00:00 2001
From: schellingb <14200249+schellingb@users.noreply.github.com>
Date: Mon, 9 Sep 2024 19:48:52 +0900
Subject: [PATCH] Support specifying command line arguments in AUTOBOOT.DBP
 (#531)

---
 dosbox_pure_run.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dosbox_pure_run.h b/dosbox_pure_run.h
index 03272839..5b9e7dea 100644
--- a/dosbox_pure_run.h
+++ b/dosbox_pure_run.h
@@ -591,10 +591,14 @@ struct DBP_Run
 			*p = '\0'; // for strcmp/atoi/DOS_FileExists/assign
 			if (line_no == 1)
 			{
-				const char linetype = (line[1] == '*' ? line[0] : 0), *str = line + (linetype ? 2 : 0);
+				char linetype = (line[1] == '*' ? line[0] : 0), *str = line + (linetype ? 2 : 0);
 				if (linetype == 0)
 				{
-					if (DOS_FileExists(str)) { autoboot.startup.mode = RUN_EXEC; autoboot.startup.exec.assign(str); }
+					char *param = strchr(str, ' ');
+					if (param) *param = '\0';
+					bool exists = DOS_FileExists(str);
+					if (param) *param = ' ';
+					if (exists) { autoboot.startup.mode = RUN_EXEC; autoboot.startup.exec.assign(str); }
 				}
 				else if (linetype == 'O' || linetype == 'S' || linetype == 'V')
 				{