rosapps/applications/sysutils/utils/sdkparse/safestr.h

   1 //
   2 // safestr.h
   3 //
   4 // safe versions of some string manipulation routines
   5 //
   6
   7 #ifndef __SAFESTR_H
   8 #define __SAFESTR_H
   9
  10 #include <tchar.h>
  11
  12 #ifndef tchar
  13 #define tchar TCHAR
  14 #endif//tchar
  15
  16 #include <string.h>
  17 #include "assert.h"
  18
  19 inline size_t safestrlen ( const tchar *string )
  20 {
  21         if ( !string )
  22                 return 0;
  23         return _tcslen(string);
  24 }
  25
  26 inline tchar* safestrcpy ( tchar* strDest, const tchar* strSource )
  27 {
  28         ASSERT(strDest);
  29         if ( !strSource )
  30                 *strDest = 0;
  31         else
  32                 _tcscpy ( strDest, strSource );
  33         return strDest;
  34 }
  35
  36 inline tchar* safestrncpy ( tchar* strDest, const tchar* strSource, size_t count )
  37 {
  38         ASSERT(strDest);
  39         if ( !strSource )
  40                 count = 0;
  41         else
  42                 _tcsncpy ( strDest, strSource, count );
  43         strDest[count] = 0;
  44         return strDest;
  45 }
  46
  47 inline tchar* safestrlwr ( tchar* str )
  48 {
  49         if ( !str )
  50                 return 0;
  51         return _tcslwr(str);
  52 }
  53
  54 inline tchar* safestrupr ( tchar* str )
  55 {
  56         if ( !str )
  57                 return 0;
  58         return _tcsupr(str);
  59 }
  60
  61 #endif//__SAFESTR_H