mfukar

/*
 * Partial applied functions in C
 * Leandro Pereira <[email protected]>
 */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>

mfukar

/* This is how a PhD holder thinks UCS-2 is converted to UTF-8 */
size_t gsm_convert_ucs2(const uint8_t *buf, size_t length, unsigned char *dest)
{
     size_t i;
     size_t j;
     for (i=0,j=0;i<length;i+=2) {
         if (buf[i] == 0)
             dest[j++] = buf[i+1];
         else {
             snprintf((char *)&dest[j], 256-j, "\\%02x%02x", buf[i], buf[i+1]);

mfukar

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>

typedef unsigned int u32;
typedef unsigned long long u64;

//-------------------------------------------------------------------------
// WorkArea
//-------------------------------------------------------------------------

mfukar

define -mem-heap-dump-chunk
  printf "%#016x: ", $mem_addr
  printf "%016lu %016lu   %#02x ", ((long *)$mem_addr)[0], ((long *)$mem_addr)[1] & ~3, ((long*)$mem_addr)[1] & 3
  printf "%016x %016x\n", ((long *)$mem_addr)[2], ((long *)$mem_addr)[3]
  set $mem_addr = $mem_addr + ((long *)$mem_addr)[1] & ~3
end
document -mem-heap-dump-chunk
!!! FOR INTERNAL USE ONLY - DO NOT CALL !!!
end

mfukar

; 0x401348:
jmp 0x145 ; these clothes are a little tight, but the price was right

mfukar

; 0x4010e9:
mov    rax,qword [0x601d38]
imul   rax,rax,0xf7733c1
add    qword [rbp-0x8],rax
add    qword [rbp-0xc],0xf7733c1
mov    rax,qword [rbp-0x8]
xor    rdx,rdx
mov    rcx,0x10bebc1fb ; the # in 2's complement from the original
div    rcx
mov    qword [rbp-0x8],rdx

mfukar

; 0x400ef8:
mov    rax,qword [rbp+0x20]
mov    edx,eax
sar    edx,0x1f
xor    eax,edx
sub    eax,edx
cdqe
mov    qword [rbp-0x8],rax
imul   rax,qword [rbp+0x18]
add    qword [rbp+0x10],rax

mfukar

; 0x400cb0:
mov    rax,qword [rbp-0x20]
add    qword [rbp+0x10],rax
add    qword [rbp+0x18],rax
add    qword [rbp+0x20],rax
add    qword [rbp+0x28],rax
add    qword [rbp-0x8],rax
jmp    0x3f