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  1. #include <iostream>
  2. #include <string>
  3. #include <cstring>
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8. 	// test snprintf
  9. 	unsigned char a[4] = { 0x44, 0x11, 0x55, 0x66 };
  10. 	char buf[256] = {0};
  11. 	snprintf(buf, 256, "%s%02x", buf, a[0]);
  12. 	cout<<buf<<endl;
  13. 	snprintf(buf, 256, "%s%02x", buf, a[1]);
  14. 	cout<<buf<<endl;
  15.  
  16. 	// test sprintf
  17. 	unsigned char aa[4] = { 0x44, 0x11, 0x55, 0x66 };
  18. 	char buf2[256] = {0};
  19. 	sprintf(buf2, "%s%02x", buf2, a[0]);
  20. 	cout<<buf2<<endl;
  21. 	sprintf(buf2, "%s%02x", buf2, a[1]);
  22. 	cout<<buf2<<endl;
  23.  
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0s 3456KB
comments (?)
stdin 
Standard input is empty
stdout 
44
11
44
4411
https://ideone.com/3m8JXn
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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