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warn about unsupported node formats and exit gracefully

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This commit is contained in:
Fabian Greffrath 2020-01-09 21:25:04 +01:00
parent 5a314ae831
commit 6604722371
1 changed files with 14 additions and 0 deletions
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14
Source/p_setup.c
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@ -282,6 +282,20 @@ void P_LoadNodes (int lump)
nodes = Z_Malloc (numnodes*sizeof(node_t),PU_LEVEL,0);
data = W_CacheLumpNum (lump, PU_STATIC);
// [FG] warn about unsupported node formats and exit gracefully
if (W_LumpLength(lump) >= 8)
{
if (!memcmp(data, "xNd4\0\0\0\0", 8) ||
!memcmp(data, "XNOD", 4) ||
!memcmp(data, "ZNOD", 4))
{
char fmt[5];
memcpy(fmt, data, 4);
fmt[4] = '\0';
I_Error("Unsupported nodes format: %s\n", fmt);
}
}
for (i=0; i<numnodes; i++)
{
node_t *no = nodes + i;