X-Git-Url: https://git.draconx.ca/gitweb/upkg.git/blobdiff_plain/4a3125b61348969b91b9642bba803fc17135c189..c49355663c73c1775c179ec6360d09ce0978bb97:/src/upkg.h

diff --git a/src/upkg.h b/src/upkg.h
index 7565b32..f9193c5 100644
--- a/src/upkg.h
+++ b/src/upkg.h
@@ -62,6 +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];
@@ -72,6 +79,11 @@ struct upkg {
 	struct upkg_private *priv;
 };
 
+struct upkg_export {
+	const char *name;
+	unsigned long flags;
+};
+
 struct upkg_file {
 	const char *name;
 
@@ -81,15 +93,19 @@ 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);
 
 const char *upkg_get_name(struct upkg *pkg, unsigned long idx);
+const struct upkg_export *upkg_get_export(struct upkg *pkg, unsigned long idx);
 
-long   upkg_export_find(struct upkg *pkg, const char *name);
+long upkg_export_find(struct upkg *pkg, long parent, const char *name);
 
-unsigned long upkg_export_flags(struct upkg *pkg, unsigned long idx);
-const char *upkg_export_name(struct upkg *pkg, unsigned long idx);
 const char *upkg_export_class(struct upkg *pkg, unsigned long idx,
                               const char **package);