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This commit is contained in:
lzwdgc 2024-02-03 02:44:36 +03:00
parent 195e8a0c5a
commit 83b052ba43
1 changed files with 7 additions and 16 deletions
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23
src/unpaker/decode.h
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@ -2,8 +2,7 @@
#define LOBYTE(x) (*((uint8_t *)&(x))) #define LOBYTE(x) (*((uint8_t *)&(x)))
char decode_f2(char *input, int size, char *output) char decode_f2(char *input, int size, char *output) {
{
int c; // eax@1 int c; // eax@1
char v4; // bl@1 char v4; // bl@1
char *v5; // edx@1 char *v5; // edx@1
@ -17,20 +16,16 @@ char decode_f2(char *input, int size, char *output)
LOBYTE(c) = size; LOBYTE(c) = size;
v4 = *input; v4 = *input;
v5 = input + 1; v5 = input + 1;
if (input + 1 < &input[size]) if (input + 1 < &input[size]) {
{
v6 = output; v6 = output;
do do {
{
LOBYTE(c) = *v5; LOBYTE(c) = *v5;
if (*v5 == v4) if (*v5 == v4) {
{
c = (uint8_t)v5[1]; c = (uint8_t)v5[1];
v7 = v5 + 1; v7 = v5 + 1;
c_1 = (uint8_t)v7[1]; c_1 = (uint8_t)v7[1];
v5 = v7 + 2; v5 = v7 + 2;
if (c != 255 || c_1 != 255) if (c != 255 || c_1 != 255) {
{
c_2 = ((c & 0xF) << 8) + c_1; c_2 = ((c & 0xF) << 8) + c_1;
c = (c >> 4) + 4; c = (c >> 4) + 4;
v10 = &v6[-c_2]; v10 = &v6[-c_2];
@ -40,14 +35,10 @@ char decode_f2(char *input, int size, char *output)
*v6++ = *v10++; *v6++ = *v10++;
--c_3; --c_3;
} while (c_3); } while (c_3);
} } else {
else
{
*v6++ = v4; *v6++ = v4;
} }
} } else {
else
{
*v6++ = c; *v6++ = c;
++v5; ++v5;
} }