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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

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svn-id: r40580
This commit is contained in:
Max Horn 2009-05-14 23:10:22 +00:00
parent ad1563e5dc
commit 7f2a146597
1 changed files with 2 additions and 2 deletions
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4
engines/sci/engine/savegame.cpp
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@ -518,12 +518,12 @@ static byte *find_unique_script_block(EngineState *s, byte *buf, int type) {
do { do {
int seeker_type = READ_LE_UINT16(buf); int seeker_type = READ_LE_UINT16(buf);
int seeker_size;
if (seeker_type == 0) break; if (seeker_type == 0) break;
if (seeker_type == type) return buf; 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; buf += seeker_size;
} while(1); } while(1);