From 0d009db3746a5e781031d4ccc16a0356d656d21b Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Wed, 5 Dec 2001 23:49:09 +0000
Subject: [PATCH] Fix crash with Linux supermount fstab entries (thanks Erno!)

---
 src/cdrom/linux/SDL_syscdrom.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/cdrom/linux/SDL_syscdrom.c b/src/cdrom/linux/SDL_syscdrom.c
index d7806fb19..51b3a4c39 100644
--- a/src/cdrom/linux/SDL_syscdrom.c
+++ b/src/cdrom/linux/SDL_syscdrom.c
@@ -203,18 +203,24 @@ static void CheckMounts(const char *mtab)
 			if ( strcmp(mnt_type, MNTTYPE_SUPER) == 0 ) {
 				tmp = strstr(mntent->mnt_opts, "fs=");
 				if ( tmp ) {
-					strcpy(mnt_type, tmp+strlen("fs="));
-					tmp = strchr(mnt_type, ',');
-					if ( tmp ) {
-						*tmp = '\0';
+					free(mnt_type);
+					mnt_type = strdup(tmp + strlen("fs="));
+					if ( mnt_type ) {
+						tmp = strchr(mnt_type, ',');
+						if ( tmp ) {
+							*tmp = '\0';
+						}
 					}
 				}
 				tmp = strstr(mntent->mnt_opts, "dev=");
 				if ( tmp ) {
-					strcpy(mnt_dev, tmp+strlen("dev="));
-					tmp = strchr(mnt_dev, ',');
-					if ( tmp ) {
-						*tmp = '\0';
+					free(mnt_dev);
+					mnt_dev = strdup(tmp + strlen("dev="));
+					if ( mnt_dev ) {
+						tmp = strchr(mnt_dev, ',');
+						if ( tmp ) {
+							*tmp = '\0';
+						}
 					}
 				}
 			}