Source Code:
Personal Dairy using C Program.
main.c
#include<stdio.h>
#include<stdlib.h>
#include<conio.h>
#include<string.h>
int password();
void addrecord();
void viewrecord();
void editrecord();
void editpassword();
void deleterecord();
struct record
{
char time[6];
char name[30];
char place[25];
char duration[10];
char note[500];
} ;
int main()
{
int ch;
printf("\n\n\t***********************************\n");
printf("\t*PASSWORD PROTECTED PERSONAL DIARY*\n");
printf("\t***********************************");
while(1)
{
printf("\n\n\t\tMAIN MENU:");
printf("\n\n\tADD RECORD\t[1]");
printf("\n\tVIEW RECORD\t[2]");
printf("\n\tEDIT RECORD\t[3]");
printf("\n\tDELETE RECORD\t[4]");
printf("\n\tEDIT PASSWORD\t[5]");
printf("\n\tEXIT\t\t[6]");
printf("\n\n\tENTER YOUR CHOICE:");
scanf("%d",&ch);
switch(ch)
{
case 1:
addrecord();
break;
case 2:
viewrecord();
break;
case 3:
editrecord();
break;
case 4:
deleterecord();
break;
case 5:
editpassword();
break;
case 6:
printf("\n\n\t\tTHANK YOU FOR USING THE SOFTWARE BY:\n\n\tBIJAY PURI\n\n\tBHANU POUDEL\n\n\tNRIPASH AYER...");
getch();
exit(0);
default:
printf("\nYOU ENTERED WRONG CHOICE..");
printf("\nPRESS ANY KEY TO TRY AGAIN");
getch();
break;
}
system("cls");
}
return 0;
}
void addrecord( )
{
system("cls");
FILE *fp ;
char another = 'Y' ,time[10];
struct record e ;
char filename[15];
int choice;
printf("\n\n\t\t***************************\n");
printf("\t\t* WELCOME TO THE ADD MENU *");
printf("\n\t\t***************************\n\n");
printf("\n\n\tENTER DATE OF YOUR RECORD:[yyyy-mm-dd]:");
fflush(stdin);
gets(filename);
fp = fopen (filename, "ab+" ) ;
if ( fp == NULL )
{
fp=fopen(filename,"wb+");
if(fp==NULL)
{
printf("\nSYSTEM ERROR...");
printf("\nPRESS ANY KEY TO EXIT");
getch();
return ;
}
}
while ( another == 'Y'|| another=='y' )
{
choice=0;
fflush(stdin);
printf ( "\n\tENTER TIME:[hh:mm]:");
scanf("%s",time);
rewind(fp);
while(fread(&e,sizeof(e),1,fp)==1)
{
if(strcmp(e.time,time)==0)
{
printf("\n\tTHE RECORD ALREADY EXISTS.\n");
choice=1;
}
}
if(choice==0)
{
strcpy(e.time,time);
printf("\tENTER NAME:");
fflush(stdin);
gets(e.name);
fflush(stdin);
printf("\tENTER PLACE:");
gets(e.place);
fflush(stdin);
printf("\tENTER DURATION:");
gets(e.duration);
fflush(stdin);
printf("\tNOTE:");
gets(e.note);
fwrite ( &e, sizeof ( e ), 1, fp ) ;
printf("\nYOUR RECORD IS ADDED...\n");
}
printf ( "\n\tADD ANOTHER RECORD...(Y/N) " ) ;
fflush ( stdin ) ;
another = getchar( ) ;
}
fclose ( fp ) ;
printf("\n\n\tPRESS ANY KEY TO EXIT...");
getch();
}
void viewrecord( )
{
FILE *fpte ;
system("cls");
struct record customer ;
char time[6],choice,filename[14];
int ch;
printf("\n\n\t\t*******************************\n");
printf("\t\t* HERE IS THE VIEWING MENU *");
printf("\n\t\t*******************************\n\n");
choice=password();
if(choice!=0)
{
return ;
}
do
{
printf("\n\tENTER THE DATE OF RECORD TO BE VIEWED:[yyyy-mm-dd]:");
fflush(stdin);
gets(filename);
fpte = fopen ( filename, "rb" ) ;
if ( fpte == NULL )
{
puts ( "\nTHE RECORD DOES NOT EXIST...\n" ) ;
printf("PRESS ANY KEY TO EXIT...");
getch();
return ;
}
system("cls");
printf("\n\tHOW WOULD YOU LIKE TO VIEW:\n");
printf("\n\t1.WHOLE RECORD OF THE DAY.");
printf("\n\t2.RECORD OF FIX TIME.");
printf("\n\t\tENTER YOUR CHOICE:");
scanf("%d",&ch);
switch(ch)
{
case 1:
printf("\nTHE WHOLE RECORD FOR %s IS:",filename);
while ( fread ( &customer, sizeof ( customer ), 1, fpte ) == 1 )
{
printf("\n");
printf("\nTIME: %s",customer.time);
printf("\nMEETING WITH: %s",customer.name);
printf("\nMEETING AT: %s",customer.place);
printf("\nDURATION: %s",customer.duration);
printf("\nNOTE: %s",customer.note);
printf("\n");
}
break;
case 2:
fflush(stdin);
printf("\nENTER TIME:[hh:mm]:");
gets(time);
while ( fread ( &customer, sizeof ( customer ), 1, fpte ) == 1 )
{
if(strcmp(customer.time,time)==0)
{
printf("\nYOUR RECORD IS:");
printf("\nTIME: %s",customer.time);
printf("\nMEETING WITH: %s",customer.name);
printf("\nMEETING AT: %s",customer.place);
printf("\nDUARATION: %s",customer.duration);
printf("\nNOTE: %s",customer.note);
}
}
break;
default: printf("\nYOU TYPED SOMETHING ELSE...\n");
break;
}
printf("\n\nWOULD YOU LIKE TO CONTINUE VIEWING...(Y/N):");
fflush(stdin);
scanf("%c",&choice);
}while(choice=='Y'||choice=='y');
fclose ( fpte ) ;
return ;
}
void editrecord()
{
system("cls");
FILE *fpte ;
struct record customer ;
char time[6],choice,filename[14];
int num,count=0;
printf("\n\n\t\t*******************************\n");
printf("\t\t* WELCOME TO THE EDITING MENU *");
printf("\n\t\t*******************************\n\n");
choice=password();
if(choice!=0)
{
return ;
}
do
{
printf("\n\tENTER THE DATE OF RECORD TO BE EDITED:[yyyy-mm-dd]:");
fflush(stdin);
gets(filename);
printf("\n\tENTER TIME:[hh:mm]:");
gets(time);
fpte = fopen ( filename, "rb+" ) ;
if ( fpte == NULL )
{
printf( "\nRECORD DOES NOT EXISTS:" ) ;
printf("\nPRESS ANY KEY TO GO BACK");
getch();
return;
}
while ( fread ( &customer, sizeof ( customer ), 1, fpte ) == 1 )
{
if(strcmp(customer.time,time)==0)
{
printf("\nYOUR OLD RECORD WAS AS:");
printf("\nTIME: %s",customer.time);
printf("\nMEETING WITH: %s",customer.name);
printf("\nMEETING AT: %s",customer.place);
printf("\nDURATION: %s",customer.duration);
printf("\nNOTE: %s",customer.note);
printf("\n\n\t\tWHAT WOULD YOU LIKE TO EDIT..");
printf("\n1.TIME.");
printf("\n2.MEETING PERSON.");
printf("\n3.MEETING PLACE.");
printf("\n4.DURATION.");
printf("\n5.NOTE.");
printf("\n6.WHOLE RECORD.");
printf("\n7.GO BACK TO MAIN MENU.");
do
{
printf("\n\tENTER YOUR CHOICE:");
fflush(stdin);
scanf("%d",&num);
fflush(stdin);
switch(num)
{
case 1: printf("\nENTER THE NEW DATA:");
printf("\nNEW TIME:[hh:mm]:");
gets(customer.time);
break;
case 2: printf("\nENTER THE NEW DATA:");
printf("\nNEW MEETING PERSON:");
gets(customer.name);
break;
case 3: printf("\nENTER THE NEW DATA:");
printf("\nNEW MEETING PLACE:");
gets(customer.place);
break;
case 4: printf("\nENTER THE NEW DATA:");
printf("\nDURATION:");
gets(customer.duration);
break;
case 5: printf("ENTER THE NEW DATA:");
printf("\nNOTE:");
gets(customer.note);
break;
case 6: printf("\nENTER THE NEW DATA:");
printf("\nNEW TIME:[hh:mm]:");
gets(customer.time);
printf("\nNEW MEETING PERSON:");
gets(customer.name);
printf("\nNEW MEETING PLACE:");
gets(customer.place);
printf("\nDURATION:");
gets(customer.duration);
printf("\nNOTE:");
gets(customer.note);
break;
case 7: printf("\nPRESS ANY KEY TO GO BACK...\n");
getch();
return ;
break;
default: printf("\nYOU TYPED SOMETHING ELSE...TRY AGAIN\n");
break;
}
}while(num<1||num>8);
fseek(fpte,-sizeof(customer),SEEK_CUR);
fwrite(&customer,sizeof(customer),1,fpte);
fseek(fpte,-sizeof(customer),SEEK_CUR);
fread(&customer,sizeof(customer),1,fpte);
choice=5;
break;
}
}
if(choice==5)
{
system("cls");
printf("\n\t\tEDITING COMPLETED...\n");
printf("--------------------\n");
printf("THE NEW RECORD IS:\n");
printf("--------------------\n");
printf("\nTIME: %s",customer.time);
printf("\nMEETING WITH: %s",customer.name);
printf("\nMEETING AT: %s",customer.place);
printf("\nDURATION: %s",customer.duration);
printf("\nNOTE: %s",customer.note);
fclose(fpte);
printf("\n\n\tWOULD YOU LIKE TO EDIT ANOTHER RECORD.(Y/N)");
scanf("%c",&choice);
count++;
}
else
{
printf("\nTHE RECORD DOES NOT EXIST::\n");
printf("\nWOULD YOU LIKE TO TRY AGAIN...(Y/N)");
scanf("%c",&choice);
}
}while(choice=='Y'||choice=='y');
fclose ( fpte ) ;
if(count==1)
printf("\n%d FILE IS EDITED...\n",count);
else if(count>1)
printf("\n%d FILES ARE EDITED..\n",count);
else
printf("\nNO FILES EDITED...\n");
printf("\tPRESS ENTER TO EXIT EDITING MENU.");
getch();
}
int password()
{
char pass[15]={0},check[15]={0},ch;
FILE *fpp;
int i=0,j;
printf("::FOR SECURITY PURPOSE::");
printf("::ONLY THREE TRIALS ARE ALLOWED::");
for(j=0;j<3;j++)
{
i=0;
printf("\n\n\tENTER THE PASSWORD:");
pass[0]=getch();
while(pass[i]!='\r')
{
if(pass[i]=='\b')
{
i--;
printf("\b");
printf(" ");
printf("\b");
pass[i]=getch();
}
else
{
printf("*");
i++;
pass[i]=getch();
}
}
pass[i]='\0';
fpp=fopen("SE","r");
if (fpp==NULL)
{
printf("\nERROR WITH THE SYSTEM FILE...[FILE MISSING]\n");
getch();
return 1;
}
else
i=0;
while(1)
{
ch=fgetc(fpp);
if(ch==EOF)
{
check[i]='\0';
break;
}
check[i]=ch-5;
i++;
}
if(strcmp(pass,check)==0)
{
printf("\n\n\tACCESS GRANTED...\n");
return 0;
}
else
{
printf("\n\n\tWRONG PASSWORD..\n\n\tACCESS DENIED...\n");
}
}
printf("\n\n\t::YOU ENTERED WRONG PASSWORD::YOU ARE NOT ALLOWED TO ACCESS ANY FILE::\n\n\tPRESS ANY KEY TO GO BACK...");
getch();
return 1;
}
void editpassword()
{
system("cls");
printf("\n");
char pass[15]={0},confirm[15]={0},ch;
int choice,i,check;
FILE *fp;
fp=fopen("SE","rb");
if(fp==NULL)
{
fp=fopen("SE","wb");
if(fp==NULL)
{
printf("SYSTEM ERROR...");
getch();
return ;
}
fclose(fp);
printf("\nSYSTEM RESTORED...\nYOUR PASSWORD IS 'ENTER'\n PRESS ENTER TO CHANGE PASSWORD\n\n");
getch();
}
fclose(fp);
check=password();
if(check==1)
{
return ;
}
do
{
if(check==0)
{
i=0;
choice=0;
printf("\n\n\tENTER THE NEW PASSWORD:");
fflush(stdin);
pass[0]=getch();
while(pass[i]!='\r')
{
if(pass[i]=='\b')
{
i--;
printf("\b");
printf(" ");
printf("\b");
pass[i]=getch();
}
else
{
printf("*");
i++;
pass[i]=getch();
}
}
pass[i]='\0';
i=0;
printf("\n\tCONFIRM PASSWORD:");
confirm[0]=getch();
while(confirm[i]!='\r')
{
if(confirm[i]=='\b')
{
i--;
printf("\b");
printf(" ");
printf("\b");
confirm[i]=getch();
}
else
{
printf("*");
i++;
confirm[i]=getch();
}
}
confirm[i]='\0';
if(strcmp(pass,confirm)==0)
{
fp=fopen("SE","wb");
if(fp==NULL)
{
printf("\n\t\tSYSTEM ERROR");
getch();
return ;
}
i=0;
while(pass[i]!='\0')
{
ch=pass[i];
putc(ch+5,fp);
i++;
}
putc(EOF,fp);
fclose(fp);
}
else
{
printf("\n\tTHE NEW PASSWORD DOES NOT MATCH.");
choice=1;
}
}
}while(choice==1);
printf("\n\n\tPASSWORD CHANGED...\n\n\tPRESS ANY KEY TO GO BACK...");
getch();
}
void deleterecord( )
{
system("cls");
FILE *fp,*fptr ;
struct record file ;
char filename[15],another = 'Y' ,time[10];;
int choice,check;
printf("\n\n\t\t*************************\n");
printf("\t\t* WELCOME TO DELETE MENU*");
printf("\n\t\t*************************\n\n");
check = password();
if(check==1)
{
return ;
}
while ( another == 'Y' )
{
printf("\n\n\tHOW WOULD YOU LIKE TO DELETE.");
printf("\n\n\t#DELETE WHOLE RECORD\t\t\t[1]");
printf("\n\t#DELETE A PARTICULAR RECORD BY TIME\t[2]");
do
{
printf("\n\t\tENTER YOU CHOICE:");
scanf("%d",&choice);
switch(choice)
{
case 1:
printf("\n\tENTER THE DATE OF RECORD TO BE DELETED:[yyyy-mm-dd]:");
fflush(stdin);
gets(filename);
fp = fopen (filename, "wb" ) ;
if ( fp == NULL )
{
printf("\nTHE FILE DOES NOT EXISTS");
printf("\nPRESS ANY KEY TO GO BACK.");
getch();
return ;
}
fclose(fp);
remove(filename);
printf("\nDELETED SUCCESFULLY...");
break;
case 2:
printf("\n\tENTER THE DATE OF RECORD:[yyyy-mm-dd]:");
fflush(stdin);
gets(filename);
fp = fopen (filename, "rb" ) ;
if ( fp == NULL )
{
printf("\nTHE FILE DOES NOT EXISTS");
printf("\nPRESS ANY KEY TO GO BACK.");
getch();
return ;
}
fptr=fopen("temp","wb");
if(fptr==NULL)
{
printf("\nSYSTEM ERROR");
printf("\nPRESS ANY KEY TO GO BACK");
getch();
return ;
}
printf("\n\tENTER THE TIME OF RECORD TO BE DELETED:[hh:mm]:");
fflush(stdin);
gets(time);
while(fread(&file,sizeof(file),1,fp)==1)
{
if(strcmp(file.time,time)!=0)
fwrite(&file,sizeof(file),1,fptr);
}
fclose(fp);
fclose(fptr);
remove(filename);
rename("temp",filename);
printf("\nDELETED SUCCESFULLY...");
break;
default:
printf("\n\tYOU ENTERED WRONG CHOICE");
break;
}
}while(choice<1||choice>2);
printf("\n\tDO YOU LIKE TO DELETE ANOTHER RECORD.(Y/N):");
fflush(stdin);
scanf("%c",&another);
}
printf("\n\n\tPRESS ANY KEY TO EXIT...");
getch();
}
Code language: PHP (php)