Mac地址和字符串之间的转换

短命女 2022-08-18 14:25 439阅读 0赞

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  1. std::string MacToStr(UINT8 * pMac,const char chKen/* = ‘:’*/)
  2. {
  3. char szFormat[] = “%02X:%02X:%02X:%02X:%02X:%02X”;
  4. int nLen = strlen(szFormat);
  5. if (chKen != ‘:’)
  6. {
  7. for (int i = 2;i < nLen;i += 3)
  8. {
  9. szFormat[i] = chKen;
  10. }
  11. }
  13. char szMac[32] = {0};
  14. sprintf(szMac, szFormat, pMac[0], pMac[1], pMac[2], pMac[3], pMac[4], pMac[5]);
  15. std::string strRet(szMac);
  16. return strRet;
  17. }
  19. UINT8 charToData(const char ch)
  20. {
  21. switch(ch)
  22. {
  23. case ‘0’: return 0;
  24. case ‘1’: return 1;
  25. case ‘2’: return 2;
  26. case ‘3’: return 3;
  27. case ‘4’: return 4;
  28. case ‘5’: return 5;
  29. case ‘6’: return 6;
  30. case ‘7’: return 7;
  31. case ‘8’: return 8;
  32. case ‘9’: return 9;
  33. case ‘a’:
  34. case ‘A’: return 10;
  35. case ‘b’:
  36. case ‘B’: return 11;
  37. case ‘c’:
  38. case ‘C’: return 12;
  39. case ‘d’:
  40. case ‘D’: return 13;
  41. case ‘e’:
  42. case ‘E’: return 14;
  43. case ‘f’:
  44. case ‘F’: return 15;
  45. }
  46. return 0;
  47. }
  49. bool StrToMac(const char * szMac,UINT8 * pMac)
  50. {
  51. const char * pTemp = szMac;
  52. for (int i = 0;i < 6;++i)
  53. {
  54. pMac[i] = charToData(*pTemp++) * 16;
  55. pMac[i] += charToData(*pTemp++);
  56. pTemp++;
  57. }
  58. }

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