From 7f6002caba3f0a6749820c2772161caf55b8d267 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Fri, 7 May 2021 20:00:12 +0000
Subject: Initial commit (uqm-0.8.0)

---
 src/libs/uio/zip/zip.h | 106 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 src/libs/uio/zip/zip.h

(limited to 'src/libs/uio/zip/zip.h')

diff --git a/src/libs/uio/zip/zip.h b/src/libs/uio/zip/zip.h
new file mode 100644
index 0000000..4b2762f
--- /dev/null
+++ b/src/libs/uio/zip/zip.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2003  Serge van den Boom
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * Nota bene: later versions of the GNU General Public License do not apply
+ * to this program.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * 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
+ *
+ */
+
+typedef struct zip_Handle *uio_NativeHandle;
+typedef void *uio_GPRootExtra;
+typedef struct zip_GPFileData *uio_GPFileExtra;
+typedef struct zip_GPFileData *uio_GPDirExtra;
+typedef struct uio_GPDirEntries_Iterator *uio_NativeEntriesContext;
+
+#define uio_INTERNAL_PHYSICAL
+
+#include "../gphys.h"
+#include "../iointrn.h"
+#include "../uioport.h"
+#include "../physical.h"
+#include "../types.h"
+#include "../fileblock.h"
+
+#include <zlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+// zip_USE_HEADERS determinines what header for files within a .zip file
+// is used when building the directory structure.
+// Set to 'zip_USE_CENTRAL_HEADERS' to use the central directory header,
+// set to 'zip_USE_LOCAL_HEADERS' to use the local file header.
+// Central is highly adviced: it uses much less seeking, and hence is much
+// faster.
+#define zip_USE_HEADERS zip_USE_CENTRAL_HEADERS
+#define zip_USE_CENTRAL_HEADERS 1
+#define zip_USE_LOCAL_HEADERS 2
+
+#define zip_INCOMPLETE_STAT
+		// Ignored unless zip_USE_HEADERS == zip_USE_CENTRAL_HEADERS.
+		// If defined, extra meta-data for files in the .zip archive
+		// isn't retrieved from the local file header when zip_stat()
+		// is called. The uid, gid, file mode, and file times may be
+		// inaccurate. The advantage is that a possibly costly seek and
+		// read can be avoided.
+
+typedef struct zip_GPFileData {
+	off_t compressedSize;
+	off_t uncompressedSize;
+	uio_uint16 compressionFlags;
+	uio_uint16 compressionMethod;
+#if zip_USE_HEADERS == zip_USE_CENTRAL_HEADERS
+	off_t headerOffset;  // start of the local header for this file
+#endif
+	off_t fileOffset;  // start of the compressed data in the .zip file
+	uid_t uid;
+	gid_t gid;
+	mode_t mode;
+	time_t atime;  // access time
+	time_t mtime;  // modification time
+	time_t ctime;  // change time
+} zip_GPFileData;
+
+typedef zip_GPFileData zip_GPDirData;
+// TODO: some of the fields from zip_GPFileData are not needed for
+// directories. A few bytes could be saved here by making a seperate
+// structure.
+
+typedef struct zip_Handle {
+	uio_GPFile *file;
+	z_stream zipStream;
+	uio_FileBlock *fileBlock;
+	off_t uncompressedOffset;
+			// seek location in the uncompressed stream
+	off_t compressedOffset;
+			// seek location in the compressed stream, from the start
+			// of the compressed file
+} zip_Handle;
+
+
+uio_PRoot *zip_mount(uio_Handle *handle, int flags);
+int zip_umount(struct uio_PRoot *);
+uio_Handle *zip_open(uio_PDirHandle *pDirHandle, const char *file, int flags,
+		mode_t mode);
+void zip_close(uio_Handle *handle);
+int zip_access(uio_PDirHandle *pDirHandle, const char *name, int mode);
+int zip_fstat(uio_Handle *handle, struct stat *statBuf);
+int zip_stat(uio_PDirHandle *pDirHandle, const char *name,
+		struct stat *statBuf);
+ssize_t zip_read(uio_Handle *handle, void *buf, size_t count);
+off_t zip_seek(uio_Handle *handle, off_t offset, int whence);
+
+
+
+
-- 
cgit v1.2.3