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ADR.C
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1987-08-21
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7KB
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290 lines
/*
* ADR.C - address book. Illustrates use of index file functions.
*
* Copyright (c) 1987, Jim Mischel
* Modifications:
*
* 08/21/87 - jim - original coding
*
*/
#include <stdio.h>
#include <conio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <index.h>
typedef struct {
char first_name[31],
last_name[31],
business[31],
street[31],
city[26],
state[3],
zip[10],
phone1[11],
phone2[11],
name_key[21];
} address_rec;
#define ed printf("\033[2J") /* erase display */
#define el printf("\033[K") /* erase line */
void cup(int row, int col);
void edit_it(void);
void change_item(int item);
void get_ret(void);
void usage(void);
void lookup(void);
void list_forward(void);
void list_backward(void);
char *adr_file; /* file descriptor for indexed file routines */
address_rec addr;
int main(int argc, char *argv[])
{
unsigned offset;
char c;
if (!argc) {
usage();
return(1);
}
offset = (char *) &addr.name_key - (char *) &addr;
if ((adr_file = iopen(argv[1],sizeof(address_rec),STRING,offset,1,NULL)) == NULL) {
printf("\nCannot open file %s\n",argv[1]);
printf("Error status is %X\n",ierrno);
return(1);
}
do {
ed;
cup(3,34); printf("ADDRESS BOOK");
cup(24,1); printf("(L)ookup, (F)orward list, (B)ackward list, (Q)uit");
cup(23,1); printf("Enter function ");
switch (c = toupper(getche())) {
case 'L' :
lookup();
break;
case 'F' :
list_forward();
break;
case 'B' : list_backward();
}
} while (c != 'Q');
ed;
iclose(adr_file);
return(0);
}
void lookup(void)
{
char quit = 0;
char tempkey[24];
do {
ed; /* erase display */
cup(3,34); printf("ADDRESS BOOK");
cup(5,1); printf(" 1. Key :");
cup(6,1); printf(" 2. First name :");
cup(7,1); printf(" 3. Last name :");
cup(8,1); printf(" 4. Business :");
cup(9,1); printf(" 5. Street :");
cup(10,1); printf(" 6. City :");
cup(11,1); printf(" 7. State :");
cup(12,1); printf(" 8. Zip :");
cup(13,1); printf(" 9. Home phone :");
cup(14,1); printf("10. Work phone :");
tempkey[0] = 21;
cup(5,18);
cgets(tempkey);
if (tempkey[1] == 0)
quit = 1;
else {
strcpy(addr.name_key,&tempkey[2]);
edit_it();
}
} while(!quit);
return;
}
void edit_it(void)
{
int item;
char c,
trash[6];
if (iread(adr_file,&addr)) {
cup(23,1); printf("%s Not found. Add new record? ",addr.name_key);
if (toupper(getche()) != 'Y')
return; /* not found */
cup(23,1); el; /* erase line */
for (item = 2; item <= 10; change_item(item++));
if (iwrite(adr_file,&addr)) {
cup(23,1); printf("Error write. Status is %X.\n",ierrno);
get_ret();
return;
}
}
else {
cup(5,18); puts(addr.name_key);
cup(6,18); puts(addr.first_name);
cup(7,18); puts(addr.last_name);
cup(8,18); puts(addr.business);
cup(9,18); puts(addr.street);
cup(10,18); puts(addr.city);
cup(11,18); puts(addr.state);
cup(12,18); puts(addr.zip);
cup(13,18); puts(addr.phone1);
cup(14,18); puts(addr.phone2);
}
do {
cup(23,1); printf("Enter function * (C,D,Q)");
cup(23,16);
switch (c = toupper(getche())) {
case 'C' :
do {
cup(23,1); el;
printf("Enter item to change ");
trash[0] = 3;
cgets(trash);
if (trash[1] == 0)
item = 0;
else {
item = atoi(&trash[2]);
if (item > 1 && item < 11)
change_item(item);
}
} while (item != 0);
if (irewrite(adr_file,&addr)) { /* update the record */
cup(23,1); printf("Error rewrite. Status is %X\n",ierrno);
get_ret();
return;
}
break;
case 'D' :
if (idelete(adr_file,&addr)) {
cup(23,1); printf("Error delete. Status is %X\n",ierrno);
get_ret();
return;
}
c = 'Q';
break;
case 'Q' :
break;
default :
putch('\007');
} /* switch */
} while (c != 'Q');
} /* edit_it */
void change_item(int item)
{
char temp[35];
switch (item) {
case 2 :
cup(6,18);
temp[0] = 31;
cgets(temp);
strcpy(addr.first_name,&temp[2]);
break;
case 3 :
cup(7,18);
temp[0] = 31;
cgets(temp);
strcpy(addr.last_name,&temp[2]);
break;
case 4 :
cup(8,18);
temp[0] = 31;
cgets(temp);
strcpy(addr.business,&temp[2]);
break;
case 5 :
cup(9,18);
temp[0] = 31;
cgets(temp);
strcpy(addr.street,&temp[2]);
break;
case 6 :
cup(10,18);
temp[0] = 26;
cgets(temp);
strcpy(addr.city,&temp[2]);
break;
case 7 :
cup(11,18);
temp[0] = 3;
cgets(temp);
strcpy(addr.state,&temp[2]);
break;
case 8 :
cup(12,18);
temp[0] = 10;
cgets(temp);
strcpy(addr.zip,&temp[2]);
break;
case 9 :
cup(13,18);
temp[0] = 11;
cgets(temp);
strcpy(addr.phone1,&temp[2]);
break;
case 10 :
cup(14,18);
temp[0] = 11;
cgets(temp);
strcpy(addr.phone2,&temp[2]);
break;
} /* switch */
} /* change_item */
void list_forward(void)
{
ed;
if (istart(adr_file,START_FILE,&addr)) {
printf("Error starting file. Error code is %X\n",ierrno);
return;
}
while (!iread_next(adr_file,&addr))
printf("%s: %s %s\n",addr.name_key,addr.first_name,addr.last_name);
get_ret();
}
void list_backward(void)
{
ed;
if (istart(adr_file,END_FILE,&addr)) {
printf("Error starting file. Error code is %X\n",ierrno);
return;
}
while (!iread_prev(adr_file,&addr))
printf("%s: %s %s\n",addr.name_key,addr.first_name,addr.last_name);
get_ret();
}
void cup(int row, int col)
{
char rows[6],
cols[6];
itoa(row,rows,10);
itoa(col,cols,10);
printf("\033[%s;%sH",rows,cols);
}
void get_ret(void)
{
cup(24,1); printf("Press any key ... ");
getche();
}
void usage(void)
{
printf("Usage: adr <filename>\n");
}