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  1. #include <iostream>
  2. #include <cstring>
  3. #include <cstdlib>
  4. #include <string>
  5.  
  6. using namespace std;
  7.  
  8.  
  9.  void TrimRight( char *s )
  10.  
  11.  {
  12.     int _strlen = 0;         
  13.     int i=0;
  14.  
  15.     for ( ; s[i]!='\0'; ++i )  
  16.  
  17.       if (s[i] != ' ') _strlen = i;             
  18.  
  19.     s = (char*)realloc(s, (_strlen+1) * sizeof(char));    
  20.     s[_strlen+1]='\0';   
  21.  }
  22.  
  23.  
  24. int main()
  25.  
  26. {
  27.    char *str = new char[255];  
  28.    cin.getline(str, 255);
  29.    cout<<str<<"\\end "<<endl;   
  30.    TrimRight(str);
  31.    cout<<str<<"\\end "<<endl;
  32.    free(str);
  33. }
Runtime error #stdin #stdout #stderr 0s 3420KB
comments (?)
stdin 
Hello World !         /                                                                                                                                                                                                         v //
stdout 
Hello World !         /                                                                                                                                                                                                         v //                          \end 
Hello World !         /                                                                                                                                                                                                         v //\end
stderr 
*** Error in `./prog': double free or corruption (!prev): 0x09e45a10 ***
https://ideone.com/gNIlCG
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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