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- #include <stdio.h>
- #include <stdlib.h>
- #include <gtk/gtk.h>
- #include "sqlite3.c"
- #include <sqlite3.h>
- static int callback(void *data, int argc, char **argv, char **azColName){
- int i;
- fprintf(stderr, "%s: ", (const char*)data);
- for(i=0; i<argc; i++){
- printf("%s = %sn", azColName[i], argv[i] ? argv[i] : "NULL");
- }
- printf("n");
- return 0;
- }
- int main(int argc, char *argv[]) {
- sqlite3 *db;
- char *zErrMsg = 0;
- int rc;
- char *sql;
- const char* data = "Callback function called";
- /* Open database */
- rc = sqlite3_open("sign_in.db", &db);
- if( rc ){
- fprintf(stderr, "Can't open database: %sn", sqlite3_errmsg(db));
- exit(0);
- }else{
- fprintf(stderr, "Opened database successfullyn");
- }
- GtkWidget *window;
- GtkWidget *table;
- GdkColor color;
- GtkWidget *label1;
- GtkWidget *label2;
- GtkWidget *label3;
- GtkWidget *entry1;
- GtkWidget *entry2;
- GtkWidget *button1;
- gtk_init(&argc, &argv);
- window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
- gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
- gtk_window_set_title(GTK_WINDOW(window), "LOG IN");
- gtk_container_set_border_width(GTK_CONTAINER(window), 30);
- gtk_widget_modify_bg(window, GTK_STATE_NORMAL, &color);
- table = gtk_table_new(3, 2, FALSE);
- gtk_container_add(GTK_CONTAINER(window), table);
- label1 = gtk_label_new("---------------------------------- LOGIN AND ENJOY OUR FACILITY -----------------------------------");
- label2 = gtk_label_new("USERNAME :");
- label3= gtk_label_new("PASSWORD :");
- button1 = gtk_button_new_with_label("LOG IN");
- gtk_table_attach(GTK_TABLE(table), label1, 0, 1, 0, 1,
- GTK_FILL |GTK_EXPAND | GTK_SHRINK, GTK_FILL |GTK_EXPAND | GTK_SHRINK, 5, 5);
- gtk_table_attach(GTK_TABLE(table), label2, 0, 1, 1, 2,
- GTK_FILL | GTK_EXPAND |GTK_SHRINK, GTK_FILL | GTK_EXPAND |GTK_SHRINK, 5, 5);
- gtk_table_attach(GTK_TABLE(table), label3, 0, 1, 2, 3,
- GTK_FILL | GTK_EXPAND |GTK_SHRINK, GTK_FILL | GTK_EXPAND |GTK_SHRINK, 5, 5);
- entry1 = gtk_entry_new();
- entry2 = gtk_entry_new();
- gtk_table_attach(GTK_TABLE(table), entry1, 1, 2, 1, 2,
- GTK_FILL |GTK_EXPAND | GTK_SHRINK, GTK_FILL |GTK_EXPAND | GTK_SHRINK, 5, 5);
- gtk_table_attach(GTK_TABLE(table), entry2, 1, 2, 2, 3,
- GTK_FILL |GTK_EXPAND | GTK_SHRINK, GTK_FILL |GTK_EXPAND | GTK_SHRINK, 5, 5);
- gtk_table_attach(GTK_TABLE(table), button1, 1, 2, 3, 4,
- GTK_FILL |GTK_EXPAND | GTK_SHRINK, GTK_FILL |GTK_EXPAND | GTK_SHRINK, 5, 5);
- gtk_widget_show(table);
- gtk_widget_show(label1);
- gtk_widget_show(label2);
- gtk_widget_show(label3);
- gtk_widget_show(entry1);
- gtk_widget_show(entry2);
- gtk_widget_show(button1);
- gtk_widget_show(window);
- /* Create SQL statement */
- sql="SELECT * from user where username='char *entry1' and password='char *entry2 '";
- if(sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg))
- {
- int count=0;
- while(sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg)+1)
- {
- count++;
- }
- if(count==1)
- fprintf(stdout, "username and password is correctn");
- if(count>1)
- fprintf(stdout, "Dulitcate usern");
- if(count<1)
- fprintf(stdout, "username and password is not correctn");
- }
- /* Execute SQL statement */
- rc = sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg);
- if( rc != SQLITE_OK ){
- fprintf(stderr, "SQL error: %sn", zErrMsg);
- sqlite3_free(zErrMsg);
- }else{
- fprintf(stdout, "Operation done successfullyn");
- }
- sqlite3_close(db);
- g_signal_connect(G_OBJECT(button1), "clicked",
- G_CALLBACK(gtk_main_quit), G_OBJECT(window));
- g_signal_connect(window, "destroy",
- G_CALLBACK(gtk_main_quit), NULL);
- /* Create SQL statement */
- sql="SELECT * from user where username='char *entry1' and password='char *entry2 '";
- if(sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg))
- {
- int count=0;
- while(sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg)++)
- {
- count++;
- }
- if(count==1)
- fprintf(stdout, "username and password is correctn");
- if(count>1)
- fprintf(stdout, "Dulitcate usern");
- if(count<1)
- fprintf(stdout, "username and password is not correctn");
- }
- /* Execute SQL statement */
- rc = sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg);
- if( rc != SQLITE_OK ){
- fprintf(stderr, "SQL error: %sn", zErrMsg);
- sqlite3_free(zErrMsg);
- }else{
- fprintf(stdout, "Operation done successfullyn");
- }
- sqlite3_close(db);
- char *user = "Supu";
- char *password = "secret";
- sqlite3_stmt *stmt;
- const char *sql = "SELECT username, password FROM user WHERE username = ? AND password = ?";
- rc = sqlite3_prepare_v2(db, sql, -1, &stmt, NULL);
- if (rc != SQLITE_OK) {
- fprintf(stderr, "error: %s, %sn", sql, sqlite3_errmsg(db));
- } else {
- sqlite3_bind_text(stmt, 1, user, -1, SQLITE_TRANSIENT);
- sqlite3_bind_text(stmt, 2, password, -1, SQLITE_TRANSIENT);
- while ((rc = sqlite3_step(stmt)) == SQLITE_ROW) {
- printf("returned row: user = %s, password = %sn",
- sqlite3_column_text(stmt, 0),
- sqlite3_column_text(stmt, 1));
- count++;
- }
- if (rc != SQLITE_DONE)
- fprintf(stderr, "error: %sn", sqlite3_errmsg(db));
- sqlite3_finalize(stmt);
- }
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