Yurttas/PL/DBL/oracle/F/03/Company-A/Dependent-ins.pc
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1/*
2REM
3REM
4REM Dependent-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
21struct {
22 char essn[10];
23 char dependentname[16];
24 char sex,
25 char bdate[10];
26 char relationship[8];
27} dependent;
28
29void connect_to_oracle();
30void sql_error();
31
32void main(int argc, char* argv[]) {
33 FILE *in_file;
34
35 char in_filename[16];
36
37 if(argc<2) {
38 printf("Enter the input filename : ");
39 scanf("%s", in_filename);
40 }
41 else strcpy(in_filename, argv[1]);
42
43 in_file = fopen(in_filename, "r");
44
45 if(in_file==NULL)
46 printf("File named as %s is not opened for input.\n", in_filename);
47 else {
48 connect_to_oracle();
49
50 EXEC SQL
51 WHENEVER SQLERROR DO sql_error("Error in INSERT_table: Dependent");
52
53 while(fscanf(in_file,"%s%s%c%s%s\N",dependent.essn,
54 dependent.dependentname,
55 &dependent.sex,
56 dependent.bdate,
57 dependent.relationship)!=EOF) {
58 EXEC SQL
59 INSERT INTO Dependent
60 VALUES (:dependent.essn,
61 :dependent.dependentname,
62 :dependent.sex,
63 :dependent.bdate,
64 :dependent.relationship);
65 }
66 }
67
68 EXEC SQL COMMIT WORK RELEASE;
69
70 exit(0);
71}
72
73
74void sql_error(char* msg) {
75 char err_msg[128];
76 int buflen, msglen;
77
78 EXEC SQL WHENEVER SQLERROR CONTINUE;
79
80 printf("%s \n", msg);
81 buflen = sizeof(err_msg);
82 sqlglm(err_msg, &buflen, &msglen);
83 printf("%.*s \n", msglen, err_msg);
84 exit(1);
85}
86
87
88void connect_to_oracle() {
89 /* get your username/passwd from "user_pwd.txt" file */
90
91 FILE *in_file;
92 in_file = fopen("user_pwd.txt", "r");
93 fscanf(in_file, "%s", u_name);
94 fscanf(in_file, "%s", pwd);
95
96 strncpy((char *) username.arr, u_name, UNAME_LEN);
97 username.len = strlen((char *) username.arr);
98
99 strncpy((char *) password.arr, pwd, PWD_LEN);
100 password.len = strlen((char *) password.arr);
101
102 EXEC SQL WHENEVER SQLERROR DO sql_error ("ORACLE error-- ");
103 EXEC SQL CONNECT :username IDENTIFIED BY :password;
104
105 printf("connected to oracle - \n");
106}