From 6f0268ca3096c819679daf521b7ece6af51028be Mon Sep 17 00:00:00 2001
From: Brad Parker <cbparker@gmail.com>
Date: Thu, 4 Jul 2019 01:06:47 -0400
Subject: [PATCH] cdrom: need const to call these from outside of internal
 functions

---
 libretro-common/cdrom/cdrom.c         | 8 ++++----
 libretro-common/include/cdrom/cdrom.h | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/libretro-common/cdrom/cdrom.c b/libretro-common/cdrom/cdrom.c
index 26700c9f14..46059e60d9 100644
--- a/libretro-common/cdrom/cdrom.c
+++ b/libretro-common/cdrom/cdrom.c
@@ -1037,7 +1037,7 @@ int cdrom_read(libretro_vfs_implementation_file *stream, unsigned char min, unsi
    return 0;
 }
 
-int cdrom_stop(libretro_vfs_implementation_file *stream)
+int cdrom_stop(const libretro_vfs_implementation_file *stream)
 {
    /* MMC Command: START STOP UNIT */
    unsigned char cdb[] = {0x1B, 0, 0, 0, 0x0, 0};
@@ -1054,7 +1054,7 @@ int cdrom_stop(libretro_vfs_implementation_file *stream)
    return 0;
 }
 
-int cdrom_unlock(libretro_vfs_implementation_file *stream)
+int cdrom_unlock(const libretro_vfs_implementation_file *stream)
 {
    /* MMC Command: PREVENT ALLOW MEDIUM REMOVAL */
    unsigned char cdb[] = {0x1E, 0, 0, 0, 0x2, 0};
@@ -1083,7 +1083,7 @@ int cdrom_unlock(libretro_vfs_implementation_file *stream)
    return 0;
 }
 
-int cdrom_open_tray(libretro_vfs_implementation_file *stream)
+int cdrom_open_tray(const libretro_vfs_implementation_file *stream)
 {
    /* MMC Command: START STOP UNIT */
    unsigned char cdb[] = {0x1B, 0, 0, 0, 0x2, 0};
@@ -1105,7 +1105,7 @@ int cdrom_open_tray(libretro_vfs_implementation_file *stream)
    return 0;
 }
 
-int cdrom_close_tray(libretro_vfs_implementation_file *stream)
+int cdrom_close_tray(const libretro_vfs_implementation_file *stream)
 {
    /* MMC Command: START STOP UNIT */
    unsigned char cdb[] = {0x1B, 0, 0, 0, 0x3, 0};
diff --git a/libretro-common/include/cdrom/cdrom.h b/libretro-common/include/cdrom/cdrom.h
index 53d2a1eb4c..cbb39ec0ff 100644
--- a/libretro-common/include/cdrom/cdrom.h
+++ b/libretro-common/include/cdrom/cdrom.h
@@ -81,13 +81,13 @@ int cdrom_read(libretro_vfs_implementation_file *stream, unsigned char min, unsi
 
 int cdrom_set_read_speed(libretro_vfs_implementation_file *stream, unsigned speed);
 
-int cdrom_stop(libretro_vfs_implementation_file *stream);
+int cdrom_stop(const libretro_vfs_implementation_file *stream);
 
-int cdrom_unlock(libretro_vfs_implementation_file *stream);
+int cdrom_unlock(const libretro_vfs_implementation_file *stream);
 
-int cdrom_open_tray(libretro_vfs_implementation_file *stream);
+int cdrom_open_tray(const libretro_vfs_implementation_file *stream);
 
-int cdrom_close_tray(libretro_vfs_implementation_file *stream);
+int cdrom_close_tray(const libretro_vfs_implementation_file *stream);
 
 /* must be freed by the caller */
 struct string_list* cdrom_get_available_drives(void);