Thursday, 16 June 2011

An Array of String (Security)

#define MAX 5
#define LEN 40


void main(void)
{
 int dex;
 int enter=0;
 char name[40];
 static char list[MAX][LEN]={ "Muzammil", "Nigel", "Katrina",
                              "Alistair" };
 printf("Enter your name:"):
 gets(name);
 for(dex=0;dex<MAX;dex++)
  if(strcmp(&list[dex][0],name)==0)
   enter = 1;
 if(enter==1)
   printf("You may enter, oh honored one.");
 else
   printf("Guards! Remove this person!");
 }


Output:
There are two possible outcomes when you interact with this program. Either your name is on the list:


Enter your name: Muzammil
You may enter, oh honored one.


or it isn't:


Enter your name: George
Guards! Remove this person!

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