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authorMax Horn2009-05-14 23:10:22 +0000
committerMax Horn2009-05-14 23:10:22 +0000
commit7f2a1465970a842a6345a790610aadb0cb75e0fe (patch)
treeb6691df020b207b904a9b59687131e3d908a4fdf /engines
parentad1563e5dc06f1120958506eaabde705aaa46e34 (diff)
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SCI: Added a paranoia check to find_unique_script_block which causes us to bail out if we are about to get stuck in an endless loop
svn-id: r40580
Diffstat (limited to 'engines')
-rw-r--r--engines/sci/engine/savegame.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/engines/sci/engine/savegame.cpp b/engines/sci/engine/savegame.cpp
index 9fc2c98320..c916aa0b4e 100644
--- a/engines/sci/engine/savegame.cpp
+++ b/engines/sci/engine/savegame.cpp
@@ -518,12 +518,12 @@ static byte *find_unique_script_block(EngineState *s, byte *buf, int type) {
do {
int seeker_type = READ_LE_UINT16(buf);
- int seeker_size;
if (seeker_type == 0) break;
if (seeker_type == type) return buf;
- seeker_size = READ_LE_UINT16(buf + 2);
+ int seeker_size = READ_LE_UINT16(buf + 2);
+ assert(seeker_size > 0);
buf += seeker_size;
} while(1);