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  1. #include <string>
  2. #include <stdio.h>
  3. #include <string.h>
  4. #include <cassert>
  5.  
  6. inline void CopyAndNullTerminate( const std::string& source, char* dest, size_t dest_size )
  7. {
  8.     source.copy( dest, dest_size );
  9.     using std::min;
  10.     char* end = dest + min( static_cast< size_t >( dest_size - 1 ), source.size() );
  11.     *end = '\0';
  12. }
  13.  
  14. int main()
  15. {
  16.     enum{ MAX_STRING_SIZE = 15 };
  17.     char dest[ MAX_STRING_SIZE ];
  18.     std::string test = "This is a test";
  19.  
  20.     CopyAndNullTerminate( test, dest, MAX_STRING_SIZE );
  21.  
  22.     assert( strcmp( test.c_str(), dest ) == 0 );
  23.     return 0;
  24. }
Success #stdin #stdout 0.01s 2808KB
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https://ideone.com/0EBYb
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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