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DebugPrintpacket: fix underflow for PT_TEXTCMD reporting

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James R 2023-08-11 18:14:28 -07:00
parent 6b85dacaaa
commit 8d699864b1
1 changed files with 5 additions and 2 deletions
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7
src/d_net.c
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@ -897,9 +897,12 @@ static void DebugPrintpacket(const char *header)
size = READUINT16(p);
}
fprintf(debugfile, " length %d\n", size);
// First two bytes: reported total size of payload (does not include the first two bytes)
// Next byte (effectively 3rd byte): id for the netcmd
// Variable length: payload of netcmd, then more netcmds (id, payload) in sequence
fprintf(debugfile, " length %d, actual length %d\n", size, doomcom->datalength);
fprintf(debugfile, "[%s]", netxcmdnames[netbuffer->u.textcmd[2] - 1]);
fprintfstringnewline((char *)netbuffer->u.textcmd + 3, size - 2);
fprintfstringnewline((char *)netbuffer->u.textcmd, doomcom->datalength);
break;
}
case PT_SERVERCFG: