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modify.cpp
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#include "source.cpp"
void admin_options();
void modify()
{
struct node *temp=head;
int i=0;
if(temp==NULL)
{
printf("\n\n\t\t\t\t\t\tThe list is empty...Create it first...!");
}
while(temp!=NULL)
{
FILE *f1;
f1=fopen("data.dat","rb");
if(!f1)
{
printf("\n\n\t\t\t\t\t\tFile doesn't exist... Please create it\n");
return;
}
read_binary(f1);
fclose(f1);
prog:
system("cls");
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\n\n\n\t\t\t\t\t\t\t To search and modify the details : \n\n");
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
printf("\t\t\t\t\t\t 1. To search by NAME\n");
printf("\t\t\t\t\t\t 2. To search by PHONE NUMBER\n");
printf("\t\t\t\t\t\t 3. Back to admin options\n\n");
int choice;
int final1;
int rtn = 0;
for (;;)
{
printf("\n\t\t\t\t\t\t Enter your choice : ");
rtn = scanf (" %d", &final1);
if (rtn == 0)
{
fputs ("\n\t\t\t\t\t\t\t Error: Character input-Invalid...!\n", stderr);
empty_stdin();
}
else if (final1<1 || 3<final1)
{
fputs ("\n\n\t\t\t\t\t\t\t Error: Choice out of range [1-3] - Invalid...!", stderr);
empty_stdin();
}
else
{
empty_stdin();
break;
}
printf("\n\t\t\t\t\t\t\t ");
system("pause");
}
choice=final1;
switch(choice)
{
case 1:
{
char name1[25];
int flag=0;
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the name you want to search : ");
gets(name1);
struct node *temp=head;
while(temp!=NULL)
{
if(strcmp(name1,temp->d1.name)==0)
{
flag++;
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\t\tSearched Details\n\n");
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
printf("\t\t\t\t\t\t Name : %s\n",temp->d1.name);
printf("\t\t\t\t\t\t Blood Group : %s\n",temp->d1.blood);
printf("\t\t\t\t\t\t Profession : %s\n",temp->d1.profession);
printf("\t\t\t\t\t\t Address : %s\n",temp->d1.address);
printf("\t\t\t\t\t\t Phone Number : %s\n",temp->d1.phone);
printf("\n\n\t\t\t\tPress 1 to make changes \t\t");
printf("Press 0 to continue\n");
int opt;
printf("\n\t\t\t\t\t\t Enter your choice : ");
scanf("%d",&opt);
if(opt==1)
{
label:
system("cls");
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\t\t To modify by");
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
printf("\n\t\t\t\t\t\t 1.Name\n");
printf("\t\t\t\t\t\t 2.Blood group\n");
printf("\t\t\t\t\t\t 3.Profession\n");
printf("\t\t\t\t\t\t 4.Address\n");
printf("\t\t\t\t\t\t 5.Phone number\n");
printf("\t\t\t\t\t\t 6.To modify the whole record\n");
int prf;
printf("\n\t\t\t\t\t\t Enter your choice : ");
scanf("%d",&prf);
switch(prf)
{
case 1:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the name : ");
gets(temp->d1.name);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 2:
{
fflush(stdin);
printf("\\t\t\t\t\t\t Enter the blood group : ");
gets(temp->d1.blood);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 3:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t The profession : ");
gets(temp->d1.profession);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tThe element is found and it has been modified\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 4:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the address : ");
gets(temp->d1.address);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tThe element is found and it has been modified\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 5:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the phone number : ");
gets(temp->d1.phone);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 6:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the name : ");
gets(temp->d1.name);
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the blood group : ");
gets(temp->d1.blood);
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the profession : ");
gets(temp->d1.profession);
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the address : ");
gets(temp->d1.address);
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the phone number : ");
gets(temp->d1.phone);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
default:
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\t Invalid choice...! Re-enter again\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
goto label;
}
}
else
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\t No changes required\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
}
temp=temp->next;
}
if(flag==0)
{
printf("\n\t\t\t\t\t\t Element not found...!");
getch();
}
free(temp);
break;
}
case 2:
{
int flag1=0,flag=0;
struct data k;
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the phone number you want to search : ");
gets(k.phone);
struct node *temp=head;
while(temp!=NULL)
{
if(strcmp(k.phone,temp->d1.phone)==0)
{
flag1++;
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\t\tSearched Details\n\n");
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
printf("\t\t\t\t\t\t Name : %s\n",temp->d1.name);
printf("\t\t\t\t\t\t Blood Group : %s\n",temp->d1.blood);
printf("\t\t\t\t\t\t Profession : %s\n",temp->d1.profession);
printf("\t\t\t\t\t\t Address : %s\n",temp->d1.address);
printf("\t\t\t\t\t\t Phone Number : %s\n",temp->d1.phone);
printf("\n\n\t\t\t\t\t\t\tPress 1 to make changes \n");
printf("\n\t\t\t\t\t\t\tPress 0 to continue\n");
int opt;
printf("\t\t\t\t\t\t Enter your choice : ");
scanf("%d",&opt);
if(opt==1)
{
label1:
system("cls");
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\t\t\t To modify by");
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
printf("\n\t\t\t\t\t\t 1.Name\n");
printf("\t\t\t\t\t\t 2.Blood group\n");
printf("\t\t\t\t\t\t 3.Profession\n");
printf("\t\t\t\t\t\t 4.Address\n");
printf("\t\t\t\t\t\t 5.Phone number\n");
printf("\t\t\t\t\t\t 6.To modify the whole record\n");
int prf;
printf("\n\t\t\t\t\t\t Enter your choice : ");
scanf("%d",&prf);
switch(prf)
{
case 1:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the name : ");
gets(temp->d1.name);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 2:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the blood group : ");
gets(temp->d1.blood);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 3:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the profession : ");
gets(temp->d1.profession);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 4:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the address : ");
gets(temp->d1.address);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 5:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the phone number : ");
gets(temp->d1.phone);
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
break;
}
case 6:
{
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the name : ");
gets(temp->d1.name);
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the blood group : ");
gets(temp->d1.blood);
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the profession : ");
gets(temp->d1.profession);
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the address : ");
gets(temp->d1.address);
fflush(stdin);
printf("\n\t\t\t\t\t\t Enter the phone number : ");
gets(temp->d1.phone);
break;
flag++;
if(flag!=0)
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tElement is found and modified...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
}
default:
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\t Invalid choice...! Re-enter again\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
goto label1;
}
}
else
{
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\tNo changes required...!\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
}
}
temp=temp->next;
}
if(flag1==0)
{
printf("\n\t\t\t\t\t\t Element not found...!");
getch();
}
free(temp);
break;
}
case 3:
admin_options();// output();
getch();
break;
default:
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 244);
printf("\n\t\t\t\t\t\t Invalid choice...! Re-enter again\n");
getch();
SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE), 240);
goto prog;
}
FILE *f2;
f2=fopen("data.dat","wb");
write_binary(f2);
fclose(f2);
}
}