判斷多個IP是否合法

2021-06-20 18:54:53 字數 1187 閱讀 9770

bool getipaddress(hwnd hwnd)


else


}char *ptemp = null;


int icount = 0;   //存放ip個數


//獲得ip個數


ptemp = strchr(str, ',');


while (ptemp != null)


char *pp;         //存放每次找到','符號後面的位址


char *pstr[max_path] = ;  //存放ip指標


int i = 0;


//分別取出ip,儲存在pstr


char *p = strchr(str, ',');


*p = '\0';


pstr[i++] = str;


p++;


while (p != null)


else


}int mask = 0;   //用來判斷是否有合法的ip


zeromemory(g_szipaddress, sizeof(g_szipaddress));


//呼叫isipaddress，如果ip合法 就存放在g_szipaddress


for (int y = 0; y < icount; y++)


mask++;


}	}//至少要有乙個合法的ip，否則放回false


if (mask > 0)


else if (mask == 0)


return true;


}
bool isipaddress(hwnd hwnd, char *str)


if (icount != 3)


const char *pchar;


bool rv = true;


int tmp1, tmp2, t***, tmp4, i;


i = sscanf(str, "%d.%d.%d.%d", &tmp1, &tmp2, &t***, &tmp4);


if( i != 4 )


if ((tmp1 > 255) || (tmp2 > 255) || (t*** > 255) || (tmp4 > 255))


for (pchar = str; *pchar != 0; pchar++)		}


return true;


}

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