Yurttas/PL/DBL/oracle/F/03/PC/Printer-def.pc
Revision as of 00:02, 5 November 2013 by MassBot1 (talk | contribs) (Created page with "<syntaxhighlight lang="text" line start="1" enclose="div"> ββREM REM REM Printer-def.pc REM REM: #include <stdio.h> #include <sqlca.h> #define UNAME_LEN 32 #define PWD_LE...")
1/*
2REM
3REM
4REM Printer-def.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 CREATE_table: Printer");
29
30 EXEC SQL
31 CREATE TABLE Printer (model VARCHAR2(6) NOT NULL,
32 color VARCHAR2(6) NOT NULL,
33 type VARCHAR2(8) NOT NULL,
34 price NUMBER(4) NOT NULL,
35 PRIMARY KEY (model));
36
37 EXEC SQL COMMIT WORK RELEASE;
38
39 exit(0);
40}
41
42
43void sql_error(char* msg) {
44 char err_msg[128];
45 int buflen, msglen;
46
47 EXEC SQL WHENEVER SQLERROR CONTINUE;
48
49 printf("%s \n", msg);
50 buflen = sizeof(err_msg);
51 sqlglm(err_msg, &buflen, &msglen);
52 printf("%.*s \n", msglen, err_msg);
53 exit(1);
54}
55
56
57void connect_to_oracle() {
58 /* get your username/passwd from "user_pwd.txt" file */
59
60 FILE *in_file;
61 in_file = fopen("user_pwd.txt", "r");
62 fscanf(in_file, "%s", u_name);
63 fscanf(in_file, "%s", pwd);
64
65 strncpy((char *) username.arr, u_name, UNAME_LEN);
66 username.len = strlen((char *) username.arr);
67
68 strncpy((char *) password.arr, pwd, PWD_LEN);
69 password.len = strlen((char *) password.arr);
70
71 EXEC SQL WHENEVER SQLERROR DO sql_error ("ORACLE error-- ");
72 EXEC SQL CONNECT :username IDENTIFIED BY :password;
73
74 printf("application is done\n");
75}