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(svn r22737) -Fix [FS#4717]: some corrupted savegames could crash Ope…
…nTTD instead of showing the "savegame corrupted" message
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rubidium42 committed Aug 12, 2011
1 parent c8f19a6 commit 81074e0ca2b8c7fa470db5b657998ac614a810de
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Showing 3 changed files with 8 additions and 0 deletions.
@@ -38,6 +38,8 @@ static void Load_CHTS()
{
Cheat *cht = (Cheat*)&_cheats;
size_t count = SlGetFieldLength() / 2;
/* Cannot use lengthof because _cheats is of type Cheats, not Cheat */
if (count > sizeof(_cheats) / sizeof(Cheat)) SlErrorCorrupt("Too many cheat values");

for (uint i = 0; i < count; i++) {
cht[i].been_used = (SlReadByte() != 0);
@@ -283,6 +283,7 @@ static void SaveLoad_PLYR_common(Company *c, CompanyProperties *cprops)
SlObject(&cprops->cur_economy, _company_economy_desc);

/* Write old economy entries. */
if (cprops->num_valid_stat_ent > lengthof(cprops->old_economy)) SlErrorCorrupt("Too many old economy entries");
for (i = 0; i < cprops->num_valid_stat_ent; i++) {
SlObject(&cprops->old_economy[i], _company_economy_desc);
}
@@ -126,7 +126,12 @@ static void Load_NAME()
int index;

while ((index = SlIterateArray()) != -1) {
if (index >= NUM_OLD_STRINGS) SlErrorCorrupt("Invalid old name index");
if (SlGetFieldLength() > (uint)LEN_OLD_STRINGS) SlErrorCorrupt("Invalid old name length");

SlArray(&_old_name_array[LEN_OLD_STRINGS * index], SlGetFieldLength(), SLE_UINT8);
/* Make sure the old name is null terminated */
_old_name_array[LEN_OLD_STRINGS * index + LEN_OLD_STRINGS - 1] = '\0';
}
}

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