X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/blobdiff_plain/c7949f41d0002e833f2977e66785795d6c6c1829..79c3e2f505f985dba6755b2a1d6b8ca8299bdc6b:/src/upkg.h

diff --git a/src/upkg.h b/src/upkg.h
index 31615ff..c5da628 100644
--- a/src/upkg.h
+++ b/src/upkg.h
@@ -2,9 +2,9 @@
  *  upkg: tool for manipulating Unreal Tournament packages.
  *  Copyright (C) 2009 Nick Bowler
  *
- *  This program is free software; you can redistribute it and/or modify
+ *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
+ *  the Free Software Foundation, either version 3 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
@@ -13,8 +13,7 @@
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #ifndef UPKG_H_
@@ -63,6 +62,13 @@
 #define UPKG_HDR_MAGIC 0x9e2a83c1
 #define UPKG_HDR_SIZE  36
 
+struct upkg_file_ops {
+	size_t (*read)(void *buf, size_t size, void *handle);
+	int    (*seek)(void *handle, long offset, int whence);
+	long   (*tell)(void *handle);
+	int    (*eof) (void *handle);
+};
+
 struct upkg {
 	unsigned version, license;
 	unsigned char guid[16];
@@ -82,6 +88,11 @@ struct upkg_file {
 	unsigned long base, offset, len;
 };
 
+/* Default I/O operations for ordinary files. */
+extern const struct upkg_file_ops upkg_default_fops;
+
+struct upkg *upkg_open(void *handle, const struct upkg_file_ops *fops,
+                       int (*destructor)(void *handle));
 struct upkg *upkg_fopen(const char *path);
 int upkg_close(struct upkg *pkg);