refactoring: made code more readable by changing some variable name in the isValidPassword() function and added some documentation.

src/createEmployeeAccount.c

@@ -16,11 +16,11 @@ int StringLengthCounter(char* string)
     return characterCounter;
 }
 
-bool isValidPassword(char* employeePassword, int minimumStringLength)
+bool isValidPassword( char *password, int minimumLength)
 {
-    char* stringpointer = employeePassword;
-    int employeePasswordLength = 0;
-    bool letterFound = false, punctuationFound = false, numberFound = false; 
+    /*created a pointer(*stringpointer) which helps loop through characters of the string password*/
+    char *stringpointer = password;
+    bool letterFound = false, symbolFound = false, numberFound = false; 
 
     while(*stringpointer!='\0')
     {
@@ -34,14 +34,13 @@ bool isValidPassword(char* employeePassword, int minimumStringLength)
             }
             else if(ispunct(* stringpointer))
             {
-                punctuationFound = true;
+                symbolFound = true;
             }
-            if( employeePasswordLength >= minimumStringLength && letterFound && numberFound && punctuationFound)
+            if( strlen(password) >= minimumLength && letterFound && numberFound && symbolFound)
             {
                 return true;
             }
             ++stringpointer;
-            ++employeePasswordLength;
     }
 
     return false;
@@ -112,7 +111,7 @@ void getNewEmployeeCredentials()
 
     else if(isValidEmployeeID(employeeId,employeeIdLength) && !isValidPassword(employeePassword,minimumPasswordLength))
     {
-        printf("Error : the entered password should be at least 5 characters long and should contain at least 1 digit, 1 alphabet and 1 punctuation character!");
+        printf("Error : the entered password should be at least 5 characters long and should contain at least 1 digit, 1 alphabet and 1 symbol!");
     }
     
     else

src/createEmployeeAccount.h

@@ -8,7 +8,7 @@
 #include<ctype.h>
 
 bool isValidEmployeeID(const char* employee, int maximumLength);
-bool isValidPassword(char* employeePassword, int minimumStringLength);
+bool isValidPassword( char* password, int minimumLength);
 bool createNewEmployee(char* employeeId, char* employeePassword);
 
 int StringLengthCounter(char* string);