Windows: Replace XZip/XUnzip library with zlib and libzip and include the sources of these library into VeraCrypt source tree.

src/Common/libzip/zip_new.c

@@ -0,0 +1,74 @@
+/*
+  zip_new.c -- create and init struct zip
+  Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <libzip@nih.at>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+  2. Redistributions in binary form must reproduce the above copyright
+     notice, this list of conditions and the following disclaimer in
+     the documentation and/or other materials provided with the
+     distribution.
+  3. The names of the authors may not be used to endorse or promote
+     products derived from this software without specific prior
+     written permission.
+ 
+  THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
+  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+  IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+  IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include <stdlib.h>
+
+#include "zipint.h"
+
+
+/* _zip_new:
+   creates a new zipfile struct, and sets the contents to zero; returns
+   the new struct. */
+
+zip_t *
+_zip_new(zip_error_t *error)
+{
+    zip_t *za;
+
+    za = (zip_t *)malloc(sizeof(struct zip));
+    if (!za) {
+	zip_error_set(error, ZIP_ER_MEMORY, 0);
+	return NULL;
+    }
+
+    if ((za->names = _zip_hash_new(ZIP_HASH_TABLE_SIZE, error)) == NULL) {
+	free(za);
+	return NULL;
+    }
+
+    za->src = NULL;
+    za->open_flags = 0;
+    zip_error_init(&za->error);
+    za->flags = za->ch_flags = 0;
+    za->default_password = NULL;
+    za->comment_orig = za->comment_changes = NULL;
+    za->comment_changed = 0;
+    za->nentry = za->nentry_alloc = 0;
+    za->entry = NULL;
+    za->nopen_source = za->nopen_source_alloc = 0;
+    za->open_source = NULL;
+    za->tempdir = NULL;
+    
+    return za;
+}