chenx221/Textractor_test
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fix wrong output for non utf text

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This commit is contained in:
Akash Mozumdar 2021-04-28 20:58:54 -06:00
parent 3c33d11d80
commit 1782292662
3 changed files with 21 additions and 41 deletions
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2
texthook/texthook.cc
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@ -307,7 +307,7 @@ int TextHook::GetLength(uintptr_t base, uintptr_t in)
else { else {
if (hp.type & BIG_ENDIAN) if (hp.type & BIG_ENDIAN)
in >>= 8; in >>= 8;
len = LeadByteTable[in & 0xff]; //Slightly faster than IsDBCSLeadByte len = !!IsDBCSLeadByteEx(hp.codepage, in & 0xff) + 1;
} }
break; break;
} }

56
texthook/util/ithsys/ithsys.cc
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@ -9,32 +9,6 @@
#include "ithsys/ithsys.h" #include "ithsys/ithsys.h"
#include "const.h" #include "const.h"
// - Global variables -
// jichi 6/12/2015: https://en.wikipedia.org/wiki/Shift_JIS
// Leading table for SHIFT-JIS encoding
BYTE LeadByteTable[0x100] = {
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1
};
// - API functions -
extern "C" {
/** /**
* Return the address of the first matched pattern. * Return the address of the first matched pattern.
* Artikash 7/14/2018: changed implementation, hopefully it behaves the same * Artikash 7/14/2018: changed implementation, hopefully it behaves the same
@ -70,15 +44,25 @@ DWORD IthGetMemoryRange(LPCVOID mem, DWORD *base, DWORD *size)
return info.Protect > PAGE_NOACCESS; return info.Protect > PAGE_NOACCESS;
} }
inline DWORD GetHash(LPSTR str) // jichi 6/12/2015: https://en.wikipedia.org/wiki/Shift_JIS
{ // Leading table for SHIFT-JIS encoding
DWORD hash = 0; BYTE LeadByteTable[0x100] = {
//for (; *str; str++) 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
while (*str) 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
hash = ((hash >> 7) | (hash << 25)) + *str++; 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
return hash; 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
} 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
} // extern "C" 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
2,2,2,2,2,2,2,2,2,2,2,2,2,1,1,1
};
// EOF // EOF

4
texthook/util/ithsys/ithsys.h
View File

@ -10,14 +10,10 @@
//#include "ntdll/ntdll.h" //#include "ntdll/ntdll.h"
#include <Windows.h> #include <Windows.h>
// jichi 8/24/2013: Why extern "C"? Any specific reason to use C instead of C++ naming?
extern "C" {
// jichi 10/1/2013: Return 0 if failed. So, it is ambiguous if the search pattern starts at 0 // jichi 10/1/2013: Return 0 if failed. So, it is ambiguous if the search pattern starts at 0
DWORD SearchPattern(DWORD base, DWORD base_length, LPCVOID search, DWORD search_length); // KMP DWORD SearchPattern(DWORD base, DWORD base_length, LPCVOID search, DWORD search_length); // KMP
DWORD IthGetMemoryRange(LPCVOID mem, DWORD *base, DWORD *size); DWORD IthGetMemoryRange(LPCVOID mem, DWORD *base, DWORD *size);
} // extern "C"
extern BYTE LeadByteTable[]; extern BYTE LeadByteTable[];