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(svn r7475) -Fix (r7348): sanity check NewGRF action 8 strings for null terminator

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peter1138
2006-12-10 21:39:38 +00:00
parent aca5d1926a
commit eaeceec672
2 changed files with 29 additions and 4 deletions
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23
newgrf.c
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@@ -2466,6 +2466,7 @@ static void SkipIf(byte *buf, int len)
}
}
/* Action 0x08 (GLS_FILESCAN) */
static void ScanInfo(byte *buf, int len)
{
@@ -2473,16 +2474,30 @@ static void ScanInfo(byte *buf, int len)
uint32 grfid;
const char *name;
const char *info;
int name_len;
int info_len;
check_length(len, 8, "Info"); buf++;
version = grf_load_byte(&buf);
grfid = grf_load_dword(&buf);
name = (const char*)buf;
info = name + strlen(name) + 1;
_cur_grfconfig->grfid = grfid;
_cur_grfconfig->name = TranslateTTDPatchCodes(name);
_cur_grfconfig->info = TranslateTTDPatchCodes(info);
len -= 6;
name = (const char*)buf;
name_len = ttd_strnlen(name, len);
if (name_len < len) {
_cur_grfconfig->name = TranslateTTDPatchCodes(name);
len -= name_len + 1;
info = name + name_len + 1;
info_len = ttd_strnlen(info, len);
if (info_len < len) {
_cur_grfconfig->info = TranslateTTDPatchCodes(info);
}
}
_skip_sprites = -1;
}