Merge pull request cstack#32 from kodemartin/walkthrough-revisions-fixes

Various fixes and revisions

Author: cstack

Gemfile.lock

@@ -261,4 +261,4 @@ DEPENDENCIES
   rspec
 
 BUNDLED WITH
-   1.16.3
+   2.0.1

_parts/part1.md

@@ -154,6 +154,7 @@ Finally, we parse and execute the command. There is only one recognized command
 
 ```c
 if (strcmp(input_buffer->buffer, ".exit") == 0) {
+  close_input_buffer(input_buffer);
   exit(EXIT_SUCCESS);
 } else {
   printf("Unrecognized command '%s'.\n", input_buffer->buffer);

_parts/part10.md

@@ -377,7 +377,7 @@ with a new recursive function that takes any node, then prints it and its childr
 +        child = *internal_node_child(node, i);
 +        print_tree(pager, child, indentation_level + 1);
 +
-+        indent(indentation_level);
++        indent(indentation_level + 1);
 +        printf("- key %d\n", *internal_node_key(node, i));
 +      }
 +      child = *internal_node_right_child(node);
@@ -420,7 +420,7 @@ Here's a test case for the new printing functionality!
 +      "    - 5",
 +      "    - 6",
 +      "    - 7",
-+      "- key 7",
++      "  - key 7",
 +      "  - leaf (size 7)",
 +      "    - 8",
 +      "    - 9",

_parts/part2.md

@@ -176,12 +176,13 @@ The skeleton of our database is taking shape... wouldn't it be nice if it stored
  InputBuffer* new_input_buffer() {
    InputBuffer* input_buffer = malloc(sizeof(InputBuffer));
    input_buffer->buffer = NULL;
-@@ -35,16 +52,66 @@ void read_input(InputBuffer* input_buffer) {
-   input_buffer->buffer[bytes_read - 1] = 0;
+@@ -40,17 +57,67 @@ void close_input_buffer(InputBuffer* input_buffer) {
+     free(input_buffer);
  }
 
 +MetaCommandResult do_meta_command(InputBuffer* input_buffer) {
 +  if (strcmp(input_buffer->buffer, ".exit") == 0) {
++    close_input_buffer(input_buffer);
 +    exit(EXIT_SUCCESS);
 +  } else {
 +    return META_COMMAND_UNRECOGNIZED_COMMAND;
@@ -220,6 +221,7 @@ The skeleton of our database is taking shape... wouldn't it be nice if it stored
      read_input(input_buffer);
 
 -    if (strcmp(input_buffer->buffer, ".exit") == 0) {
+-      close_input_buffer(input_buffer);
 -      exit(EXIT_SUCCESS);
 -    } else {
 -      printf("Unrecognized command '%s'.\n", input_buffer->buffer);
@@ -247,4 +249,4 @@ The skeleton of our database is taking shape... wouldn't it be nice if it stored
 +    printf("Executed.\n");
    }
  }
-```
+```