Make code match tutorial.

cstack · cstack · commit 4c2d88c1cbdd · 2017-08-31T16:35:01.000-07:00
diff --git a/db.c b/db.c
@@ -1,41 +1,8 @@
-#include <fcntl.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-struct Connection_t {
-  int file_descriptor;
-};
-typedef struct Connection_t Connection;
-
-Connection* open_connection(char* filename) {
-  int fd = open(filename,
-                O_RDWR |      // Read/Write mode
-                    O_CREAT,  // Create file if it does not exist
-                S_IWUSR |     // Create file with user write permission
-                    S_IRUSR   // Create file with user read permission
-                );
-
-  if (fd == -1) {
-    printf("Unable to open file '%s'\n", filename);
-    exit(EXIT_FAILURE);
-  }
-
-  Connection* connection = malloc(sizeof(Connection));
-  connection->file_descriptor = fd;
-
-  return connection;
-}
-
-char* get_db_filename(int argc, char* argv[]) {
-  if (argc < 2) {
-    printf("Must supply a filename for the database.\n");
-    exit(EXIT_FAILURE);
-  }
-  return argv[1];
-}
-
 struct InputBuffer_t {
   char* buffer;
   size_t buffer_length;
@@ -69,9 +36,6 @@ void read_input(InputBuffer* input_buffer) {
 }
 
 int main(int argc, char* argv[]) {
-  char* db_filename = get_db_filename(argc, argv);
-  Connection* connection = open_connection(db_filename);
-
   InputBuffer* input_buffer = new_input_buffer();
   while (true) {
     print_prompt();
