99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
/* DBCServer_Release_x64.exe sha256 d9e4fccdf3482e50247686d4452c0b13c75a53efc4bd7320668eece8d1ce828c
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* Ghidra 12.1.2 decompiler output for 0x14020d500 FUN_14020d500
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* Pseudocode, not original source. */
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undefined8 FUN_14020d500(byte *param_1,uint param_2,ushort *param_3,uint *param_4)
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{
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byte bVar1;
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undefined8 uVar2;
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uint uVar3;
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ushort uVar4;
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uint uVar5;
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byte *pbVar6;
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longlong lVar7;
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uint uVar8;
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if (((param_1 == (byte *)0x0) || (param_3 == (ushort *)0x0)) || (param_4 == (uint *)0x0)) {
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return 0x10;
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}
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if ((1 < param_2) && ((*param_1 & 0x1f) == 0xc)) {
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bVar1 = param_1[1];
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if ((char)bVar1 < '\0') {
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uVar5 = bVar1 & 0x7f;
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if ((bVar1 & 0x7f) == 0) {
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return 7;
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}
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if (3 < uVar5) {
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return 7;
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}
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if (param_2 < uVar5 + 1) {
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return 7;
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}
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uVar3 = 0;
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pbVar6 = param_1 + 2;
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uVar8 = uVar5 + 2;
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do {
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bVar1 = *pbVar6;
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pbVar6 = pbVar6 + 1;
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uVar3 = uVar3 << 8 | (uint)bVar1;
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uVar5 = uVar5 - 1;
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} while (uVar5 != 0);
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}
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else {
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uVar8 = 2;
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uVar3 = bVar1 & 0x7f;
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}
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if (uVar3 + uVar8 <= param_2) {
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uVar3 = 0;
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lVar7 = (longlong)(int)uVar8;
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do {
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if (param_2 <= uVar8) {
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uVar2 = 0;
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LAB_14020d653:
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*param_4 = uVar3;
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return uVar2;
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}
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uVar4 = (ushort)param_1[lVar7];
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uVar8 = uVar8 + 1;
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uVar5 = 0;
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if ((char)param_1[lVar7] < '\0') {
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do {
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if (4 < uVar5) {
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return 7;
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}
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uVar5 = uVar5 + 1;
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uVar4 = (uVar4 & 0x7f) * 2;
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} while ((char)uVar4 < '\0');
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if (4 < uVar5) {
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return 7;
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}
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}
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if (param_2 < (uVar5 - 1) + uVar8) {
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return 7;
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}
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uVar4 = uVar4 >> ((byte)uVar5 & 0x1f);
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if (1 < uVar5) {
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uVar5 = uVar5 - 1;
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}
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while (lVar7 = lVar7 + 1, uVar5 != 0) {
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uVar5 = uVar5 - 1;
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if ((param_1[lVar7] & 0xc0) != 0x80) {
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return 7;
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}
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uVar8 = uVar8 + 1;
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uVar4 = uVar4 << 6 | (ushort)(param_1[lVar7] & 0x3f);
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}
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if (*param_4 < uVar3) {
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uVar2 = 6;
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goto LAB_14020d653;
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}
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*param_3 = uVar4;
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param_3 = param_3 + 1;
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uVar3 = uVar3 + 1;
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} while( true );
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}
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}
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return 7;
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}
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