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C++ A Few Errors

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C++ A Few Errors

 
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  #1
Nov 15th, 2006
When i compile this code i get a few errors (i guess are simple for you guys)

C++ Syntax (Toggle Plain Text) 
  1. void WriteMem(DWORD MemOffset, DWORD DataPtr, DWORD dataLen) {
  2.   { DWORD OldProt;
  3.   VirtualProtect((void*) MemOffset, dataLen, PAGE_EXECUTE_READWRITE, &OldProt); 
  4.   RtlMoveMemory((void*) MemOffset, (const void*) DataPtr, dataLen);
  5.   VirtualProtect((void*) MemOffset, dataLen, OldProt, &OldProt); 
  6.   }
  7.   void EnableHack(BYTE* AddrToChange, BYTE* To, DWORD len); {
  8.    for(DWORD i = 0; i < len; i++) 
  9.     WriteMem((DWORD)AddrToChange+i, (DWORD)To+i, 1); 
  10.   }

Errors
C++ Syntax (Toggle Plain Text) 
  1.  
  2. --------------------Configuration: DLL - Win32 Debug--------------------
  3. Compiling...
  4. Main.cpp
  5. error C2601: 'WriteMem' : local function definitions are illegal
  6. error C2601: 'Initialize' : local function definitions are illegal
  7. error C2601: 'Shutdown' : local function definitions are illegal
  8. error C2601: 'DllMain' : local function definitions are illegal
  9. fatal error C1004: unexpected end of file found
  10. Error executing cl.exe.
  11. DLL.dll - 5 error(s), 0 warning(s)
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Re: C++ A Few Errors

 
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  #2
Nov 15th, 2006
>> { DWORD OldProt;

remove the '{' character.
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Re: C++ A Few Errors

 
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  #3
Nov 15th, 2006
LOL im so dumb not to see that! i must be blind but... now i have these

C++ Syntax (Toggle Plain Text) 
  1.  
  2. --------------------Configuration: DLL - Win32 Debug--------------------
  3. Compiling...
  4. Main.cpp
  5. error C2601: 'WriteMem' : local function definitions are illegal
  6. error C2065: 'len' : undeclared identifier
  7. warning C4018: '<' : signed/unsigned mismatch
  8. error C2065: 'AddrToChange' : undeclared identifier
  9. error C2065: 'To' : undeclared identifier
  10. Error executing cl.exe.
  11. DLL.dll - 4 error(s), 1 warning(s)
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Re: C++ A Few Errors

 
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  #4
Nov 15th, 2006
>> void EnableHack(BYTE* AddrToChange, BYTE* To, DWORD len); {

remove the semicolon
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Re: C++ A Few Errors

 
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  #5
Nov 15th, 2006
Now i have like the most errors ever.

C++ Syntax (Toggle Plain Text) 
  1.  
  2. --------------------Configuration: DLL - Win32 Debug--------------------
  3. Compiling...
  4. Main.cpp
  5. error C2065: 'MemOffset' : undeclared identifier
  6. error C2065: 'dataLen' : undeclared identifier
  7. error C2065: 'DataPtr' : undeclared identifier
  8. error C2065: 'len' : undeclared identifier
  9. warning C4018: '<' : signed/unsigned mismatch
  10. error C2065: 'AddrToChange' : undeclared identifier
  11. error C2065: 'To' : undeclared identifier
  12. error C2143: syntax error : missing ';' before 'else'
  13. error C2143: syntax error : missing ';' before '{'
  14. error C2447: missing function header (old-style formal list?)
  15. error C2143: syntax error : missing ';' before 'else'
  16. error C2143: syntax error : missing ';' before '{'
  17. error C2447: missing function header (old-style formal list?)
  18. error C2143: syntax error : missing ';' before 'else'
  19. error C2143: syntax error : missing ';' before '{'
  20. error C2447: missing function header (old-style formal list?)
  21. error C2143: syntax error : missing ';' before 'else'
  22. error C2143: syntax error : missing ';' before '{'
  23. error C2447: missing function header (old-style formal list?)
  24. error C2143: syntax error : missing ';' before 'else'
  25. error C2143: syntax error : missing ';' before '{'
  26. error C2447: missing function header (old-style formal list?)
  27. error C2143: syntax error : missing ';' before 'else'
  28. error C2143: syntax error : missing ';' before '.'
  29. error C2501: 'ZChat__InputDet' : missing storage-class or type specifiers
  30. error C2371: 'ZChat__InputDet' : redefinition; different basic types
  31. see declaration of 'ZChat__InputDet'
  32. error C2143: syntax error : missing ';' before '.'
  33. error C2143: syntax error : missing ';' before 'return'
  34. error C2143: syntax error : missing ';' before '}'
  35. error C2143: syntax error : missing ';' before '}'
  36. error C2143: syntax error : missing ';' before '}'
  37. error C2143: syntax error : missing ';' before '{'
  38. error C2447: missing function header (old-style formal list?)
  39. error C2065: 'Initialize' : undeclared identifier
  40. Error executing cl.exe.
  41. DLL.dll - 33 error(s), 1 warning(s)


My Code


C++ Syntax (Toggle Plain Text) 
  1.  
  2. void WriteMem(DWORD MemOffset, DWORD DataPtr, DWORD dataLen); {
  3.   DWORD OldProt;
  4.   VirtualProtect((void*) MemOffset, dataLen, PAGE_EXECUTE_READWRITE, &OldProt); 
  5.   RtlMoveMemory((void*) MemOffset, (const void*) DataPtr, dataLen);
  6.   VirtualProtect((void*) MemOffset, dataLen, OldProt, &OldProt); 
  7.   }
  8.   void EnableHack(BYTE* AddrToChange, BYTE* To, DWORD len);
  9.    for(DWORD i = 0; i < len; i++) 
  10.     WriteMem((DWORD)AddrToChange+i, (DWORD)To+i, 1); 
  11.   }
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Re: C++ A Few Errors

 
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  #6
Nov 15th, 2006
that's what happens then you fix something :cheesy: look at the first eror message and try to find out why MemOffset is undefined. Where did you define it? It must be in one of two places: (1) a global variable, or (2) a variable declared inside the function in which its used.

Fix one error and it may solve several error messages.
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Re: C++ A Few Errors

 
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  #7
Nov 16th, 2006
First you have this:
C++ Syntax (Toggle Plain Text) 
  1. void WriteMem(DWORD MemOffset, DWORD DataPtr, DWORD dataLen) {
  2. ...
  3.   }
  4.   void EnableHack(BYTE* AddrToChange, BYTE* To, DWORD len); {
  5.    for(DWORD i = 0; i < len; i++) 
  6.     WriteMem((DWORD)AddrToChange+i, (DWORD)To+i, 1); 
  7.   }
and the recomendation was
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Originally Posted by Ancient Dragon View Post
>> void EnableHack(BYTE* AddrToChange, BYTE* To, DWORD len); {
remove the semicolon
Now you have:
C++ Syntax (Toggle Plain Text) 
  1.  
  2. void WriteMem(DWORD MemOffset, DWORD DataPtr, DWORD dataLen); {

What changed in the line (and more importantly, why did it change?)
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Re: C++ A Few Errors

 
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  #8
Nov 16th, 2006
and first you have this:

C++ Syntax (Toggle Plain Text) 
  1.  
  2.   void EnableHack(BYTE* AddrToChange, BYTE* To, DWORD len); {
  3.    for(DWORD i = 0; i < len; i++) 
  4.     WriteMem((DWORD)AddrToChange+i, (DWORD)To+i, 1); 
  5.   }
and now:
C++ Syntax (Toggle Plain Text) 
  1.  
  2.   void EnableHack(BYTE* AddrToChange, BYTE* To, DWORD len);
  3.    for(DWORD i = 0; i < len; i++) 
  4.     WriteMem((DWORD)AddrToChange+i, (DWORD)To+i, 1); 
  5.   }
which are both wrong. Is this the implementation of the function or are your just trying to call it and is it part of something else?

regards Niek
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Re: C++ A Few Errors

 
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  #9
Nov 16th, 2006
im trying to make the EnableHack function (its so i can edit a processes memory)
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Re: C++ A Few Errors

 
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  #10
Nov 16th, 2006
ok, then you should remove the semicolon as Ancient Dragon allready said.


C++ Syntax (Toggle Plain Text) 
  1.  
  2.   void EnableHack(BYTE* AddrToChange, BYTE* To, DWORD len) 
  3.   {
  4.    for(DWORD i = 0; i < len; i++) 
  5.     WriteMem((DWORD)AddrToChange+i, (DWORD)To+i, 1); 
  6.   }

And in your other function too offcourse, as WaltP pointed out.

regards Niek
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