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  1. #include <string.h>
  2. #include <malloc.h>
  3.  
  4. char* HexEncode(char* txt)
  5. {
  6. 	char* hexTxt = calloc(2*strlen(txt)+1,1);
  7. 	for(char* p=hexTxt; *txt; p+=2)
  8. 	{
  9. 		sprintf(p, "%02x", *txt++);
  10. 	}
  11. 	return hexTxt;
  12. }
  13.  
  14. int main() {
  15. 	char* hexText = HexEncode("Hello\t\n\rWorld");
  16.  
  17. 	printf("Hexed is %s\n", hexText);
  18.  
  19. 	free(hexText);
  20.  
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 2300KB
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Standard input is empty
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Hexed is 48656c6c6f090a0d576f726c64
https://ideone.com/Ph0H4p
language:
C (clang 8.0)
created:
8 years ago
visibility:
public

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