Yurttas/PL/DBL/oracle/F/03/Bank/Client-ins.pc
Revision as of 23:35, 4 November 2013 by MassBot1 (talk | contribs) (Created page with "<syntaxhighlight lang="text" line start="1" enclose="div"> ββREM REM REM client-ins.pc REM REM: #include <stdio.h> #include <sqlca.h> #define UNAME_LEN 32 #define PWD_LEN...")
1/*
2REM
3REM
4REM client-ins.pc
5REM
6REM
7*/
8
9#include <stdio.h>
10#include <sqlca.h>
11
12#define UNAME_LEN 32
13#define PWD_LEN 16
14
15VARCHAR username[UNAME_LEN]; /* VARCHAR is an Oracle-supplied struct */
16VARCHAR password[PWD_LEN]; /* varchar can be in lower case also. */
17
18char u_name[UNAME_LEN];
19char pwd[PWD_LEN];
20
21void connect_to_oracle();
22void sql_error();
23
24void main(int argc, char* argv[]) {
25 connect_to_oracle();
26
27 EXEC SQL
28 WHENEVER SQLERROR DO sql_error("Error in INSERT_table: Client");
29
30 EXEC SQL
31 INSERT INTO Client
32 VALUES ('Turner', 'Johnson');
33
34 EXEC SQL
35 INSERT INTO Client
36 VALUES ('Hayes', 'Jones');
37
38 EXEC SQL
39 INSERT INTO Client
40 VALUES ('Johnson', 'Johnson');
41
42 EXEC SQL COMMIT WORK RELEASE;
43
44 exit(0);
45}
46
47
48void sql_error(char* msg) {
49 char err_msg[128];
50 int buflen, msglen;
51
52 EXEC SQL WHENEVER SQLERROR CONTINUE;
53
54 printf("%s \n", msg);
55 buflen = sizeof(err_msg);
56 sqlglm(err_msg, &buflen, &msglen);
57 printf("%.*s \n", msglen, err_msg);
58 exit(1);
59}
60
61
62void connect_to_oracle() {
63 /* get your username/passwd from "user_pwd.txt" file */
64
65 FILE *in_file;
66 in_file = fopen("user_pwd.txt", "r");
67 fscanf(in_file, "%s", u_name);
68 fscanf(in_file, "%s", pwd);
69
70 strncpy((char *) username.arr, u_name, UNAME_LEN);
71 username.len = strlen((char *) username.arr);
72
73 strncpy((char *) password.arr, pwd, PWD_LEN);
74 password.len = strlen((char *) password.arr);
75
76 EXEC SQL WHENEVER SQLERROR DO sql_error ("ORACLE error-- ");
77 EXEC SQL CONNECT :username IDENTIFIED BY :password;
78
79 printf("connected to oracle - \n");
80}