use zlib internally to decompress

1 files changed, 38 insertions, 0 deletions

diff --git a/src/apk_io.h b/src/apk_io.h
new file mode 100644
index 0000000..a0ceac2
--- /dev/null
+++ b/src/apk_io.h
@@ -0,0 +1,38 @@
+/* apk_io.h - Alpine Package Keeper (APK)
+ *
+ * Copyright (C) 2008 Timo Teräs <timo.teras@iki.fi>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it 
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation. See http://www.gnu.org/ for details.
+ */
+
+#ifndef APK_IO
+#define APK_IO
+
+#include "apk_defines.h"
+#include "apk_blob.h"
+
+struct apk_istream {
+	size_t (*read)(void *stream, void *ptr, size_t size);
+	size_t (*splice)(void *stream, int fd, size_t size);
+	void (*close)(void *stream);
+};
+
+struct apk_bstream {
+	size_t (*read)(void *stream, void **ptr);
+	void (*close)(void *stream, csum_t csum);
+};
+
+struct apk_istream *apk_istream_from_fd(int fd);
+struct apk_istream *apk_istream_from_file(const char *file);
+size_t apk_istream_skip(struct apk_istream *istream, size_t size);
+size_t apk_istream_splice(void *stream, int fd, size_t size);
+
+struct apk_bstream *apk_bstream_from_istream(struct apk_istream *istream);
+struct apk_bstream *apk_bstream_from_fd(int fd);
+
+apk_blob_t apk_blob_from_istream(struct apk_istream *istream, size_t size);
+
+#endif