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  1. #include <stdio.h>
  2.  
  3. #define STR(X) (#X)
  4.  
  5. #define GLOBAL_INT (3)
  6.  
  7. // I AM TRYING TO SAVE THE TEXTUAL MACRO CONTENT "GLOBAL_INT" (WITHOUT THE QUOTES)
  8. //	IN ANOTHER MACRO SO THAT I CAN UNDEFINE GIM AND STILL REFER TO GLOBAL_INT
  9.  
  10. #define GIM (GLOBAL_INT)
  11.  
  12. #define GIM_SAVE (GIM)
  13. #define GIM_SAVE_STR (STR(GIM))
  14. #define STR_GIM_SAVE (STR(GIM_SAVE))
  15. const char *strGimSave = STR(GIM_SAVE);
  16. const char *gimSaveStr = GIM_SAVE_STR;
  17. const char *strGimSaveM = STR_GIM_SAVE;
  18. const char *gimStr = STR(GIM);
  19.  
  20. #undef GIM
  21.  
  22. int main(int argc, char *argv[])
  23. {
  24. 	printf("strGimSave=%s\n", strGimSave);
  25. 	printf("gimSaveStr=%s\n", gimSaveStr);
  26. 	printf("strGimSaveM=%s\n", strGimSaveM);
  27. 	printf("gimStr=%s\n", gimStr);
  28.  
  29. 	const char *gim_save = STR(GIM_SAVE);
  30. 	const char *gim_save_str = GIM_SAVE_STR;
  31. 	const char *str_gim_save = STR_GIM_SAVE;
  32. 	printf("\ngim_save=%s\n", gim_save);
  33. 	printf("gim_save_str=%s\n", gim_save_str);
  34. 	printf("str_gim_save=%s\n", str_gim_save);
  35.  
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 3296KB
comments ()
stdin 
Standard input is empty
stdout 
strGimSave=GIM_SAVE
gimSaveStr=GIM
strGimSaveM=GIM_SAVE
gimStr=GIM

gim_save=GIM_SAVE
gim_save_str=GIM
str_gim_save=GIM_SAVE
https://ideone.com/A6yI96
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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