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  1. #include <cstdio>
  2. #include <iostream>
  3.  
  4.  
  5. void test(const char * ref, const char * fmt)
  6. {
  7. 	std::cout << "fmt: \"" << fmt << "\"  ref: \"" << ref << "\"" << std::endl;
  8. 	int number;
  9.     int offset = 0;
  10.     int ret = std::sscanf(ref, fmt, &number, &offset);
  11.     std::cout << " - Returned: " << ret << "  Offset: " << offset << "  Number: " << number << std::endl;
  12. }
  13.  
  14.  
  15. int main(int argc, char* argv[])
  16. {
  17.     test("123456", "%d %n");
  18.     test("123456", "%d%n");
  19.     test("123456  ", "%d %n");
  20.     test("123456  ", "%d%n");
  21. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin 
Standard input is empty
stdout 
fmt: "%d %n"  ref: "123456"
 - Returned: 1  Offset: 6  Number: 123456
fmt: "%d%n"  ref: "123456"
 - Returned: 1  Offset: 6  Number: 123456
fmt: "%d %n"  ref: "123456  "
 - Returned: 1  Offset: 8  Number: 123456
fmt: "%d%n"  ref: "123456  "
 - Returned: 1  Offset: 6  Number: 123456
https://ideone.com/af7lQe
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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