Implemented a basic parser for the XP3 header.

1 files changed, 8 insertions, 10 deletions

diff --git a/src/io.h b/src/io.h
index f07a421..0914c9f 100644
--- a/src/io.h
+++ b/src/io.h
@@ -26,32 +26,30 @@
    segment. Used for freeing and unmapping purposes, if necessary. */
 enum _location {
     HEAP,
-}
+};
 
 /* Structure to emulate a stream of data that maintains a current
    position. The structure additionally maintains a `length` variable
    containing the stream's length. */
 struct stream {
     size_t         len; /* Length of the stream. */
-    void           *_start; /* Pointer to the stream's start. */
-    void           *_cur; /* Pointer to the current position. */
+    char           *_start; /* Pointer to the stream's start. */
+    char           *_cur; /* Pointer to the current position. */
     enum _location _loc; /* Location of the stream in memory. */
-}
+};
 
-/* Allocates `len` bytes of memory and returns a new stream pointing to
-   it. The memory provided has not zeroed. */
+/* Allocates `len` bytes of non-zeroed memory and returns a new stream
+   structure pointing to it. */
 struct stream *stream_new(size_t len);
 
 /* Called to free or unmap the memory chunk associated with the given
    stream, as well as the stream structure itself. */
 void stream_free(struct stream *s);
 
-
 /* Copies `n` bytes from the given stream into the memory area specified
-   by `dest`. The stream is advanced appropriately. */
+   by `dest`. The stream's cursor is advanced appropriately. */
 void stream_read(void *dest, struct stream *s, size_t n);
 
-
 /* Copies `n` bytes into the given stream from the memory area specified
-   by `src`. The stream is advanced appropriately. */
+   by `src`. The stream's cursor is advanced appropriately. */
 void stream_write(struct stream *s, void *src, size_t n);