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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int my_strlen( const char* p_str ){ return p_str ? strlen( p_str ) : 0; }
  5. int my_strcmp( const char* p_str1, const char* p_str2 )
  6. {
  7.     if ( p_str1 == p_str2 ){ return 0; }
  8.     else if ( !p_str1 ){ return -1; }
  9.     else if ( !p_str2 ){ return  1; }
  10.     else { return strcmp( p_str1, p_str2 ); }
  11. }
  12.  
  13. int main( void )
  14. {
  15.     if(1)
  16.     {
  17.         int ret = my_strlen(0);
  18.         printf( "%d\n", ret );
  19.     }
  20.     if(1)
  21.     {
  22.         int ret = my_strcmp( 0, 0 );
  23.         printf( "%d\n", ret );
  24.     }
  25.     if(1)
  26.     {
  27.         int ret = my_strcmp( "", 0 );
  28.         printf( "%d\n", ret );
  29.     }
  30.     if(1)
  31.     {
  32.         int ret = my_strcmp( 0, "" );
  33.         printf( "%d\n", ret );
  34.     }
  35.     return 0;
  36. }
Success #stdin #stdout 0.02s 2724KB
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https://ideone.com/erc5yM
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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