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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. #define ATTRIBUTE       struct attribute
  5. ATTRIBUTE{
  6.     int token;
  7. #define MAX_BUFFER_SIZE     128
  8.     char buffer[MAX_BUFFER_SIZE];
  9.     int length;
  10. #define FORMAT_NONE         0
  11. #define FORMAT_CHAR         1
  12. #define FORMAT_DECIMAL      2
  13. #define FORMAT_HEXIDECIMAL  3
  14. #define FORMAT_OCTAL        4
  15. #define FORMAT_FLOAT        5
  16.     int format;
  17. };
  18.  
  19. #define DATA    struct data
  20. DATA
  21. {
  22. //define the scanner attribute table
  23. #define MAX_ATTRIBUTES  128
  24.     ATTRIBUTE attributes[MAX_ATTRIBUTES];
  25.     unsigned int index;
  26.     int column;
  27.     int flags;
  28. #define FLAGS_ECHO      0x0001
  29. #define FLAGS_DEBUG     0x0002
  30. #define FLAGS_PARSE     0x0004
  31. #define FLAGS_SYMBOL    0x0008
  32. #define IS_FLAGS_ECHO(a)    (a & FLAGS_ECHO)    
  33. #define SET_FLAGS_ECHO(a)   (a |= FLAGS_ECHO)
  34. #define CLR_FLAGS_ECHO(a)   (a &= ~FLAGS_ECHO)
  35. #define IS_FLAGS_DEBUG(a)   (a & FLAGS_DEBUG)   
  36. #define SET_FLAGS_DEBUG(a)  (a |= FLAGS_DEBUG)
  37. #define CLR_FLAGS_DEBUG(a)  (a &= ~FLAGS_DEBUG)
  38. #define IS_FLAGS_PARSE(a)   (a & FLAGS_PARSE)   
  39. #define SET_FLAGS_PARSE(a)  (a |= FLAGS_PARSE)
  40. #define CLR_FLAGS_PARSE(a)  (a &= ~FLAGS_PARSE)
  41. #define IS_FLAGS_SYMBOL(a)  (a & FLAGS_SYMBOL)
  42. #define SET_FLAGS_SYMBOL(a) (a |= FLAGS_SYMBOL)
  43. #define CLR_FLAGS_SYMBOL(a) (a &= ~FLAGS_SYMBOL)
  44. };
  45.  
  46. int main(void) {
  47. 	int token = 1;
  48. 	char buffer[] = "This Is A Buffer";
  49. 	int length = strlen(buffer);
  50. 	int format = 1;
  51. 	struct data data = {.flags = 255};
  52. 	struct attribute attr = {.token = token, .buffer = buffer, .length = length, .format = format};
  53. 	fprintf(stdout, "after struct: %d\n", data.flags);
  54. 	data.attributes[0] = attr;
  55. 	fprintf(stdout, "after data.attributes[i] = attr: %d\n", data.flags);
  56. 	return 0;
  57. }
  58.  
Success #stdin #stdout 0s 2248KB
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Standard input is empty
stdout
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after struct: 255
after data.attributes[i] = attr: 255
https://ideone.com/6mdfRM
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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