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diff --git a/org.simantics.fmil.core/native/FMILibrary/src/ZIP/src/fmi_zip_zip.c b/org.simantics.fmil.core/native/FMILibrary/src/ZIP/src/fmi_zip_zip.c
new file mode 100644
index 0000000..945fd33
--- /dev/null
+++ b/org.simantics.fmil.core/native/FMILibrary/src/ZIP/src/fmi_zip_zip.c
@@ -0,0 +1,91 @@
+/*
+    Copyright (C) 2012 Modelon AB
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the BSD style license.
+
+     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
+    FMILIB_License.txt file for more details.
+
+    You should have received a copy of the FMILIB_License.txt file
+    along with this program. If not, contact Modelon AB <http://www.modelon.com>.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <minizip.h>
+
+#include <JM/jm_types.h>
+#include <JM/jm_callbacks.h>
+#include <JM/jm_portability.h>
+
+jm_status_enu_t fmi_zip_zip(const char* zip_file_path, int n_files_to_zip, const char** files_to_zip, jm_callbacks* callbacks)
+{
+	/* A call to minizip may change the current directory and therefore we must change it back */
+	char cd[FILENAME_MAX];
+
+#define N_BASIC_ARGS 4
+	int argc;
+	char** argv;
+	int k;
+	int status;
+
+	/* Temporary save the current directory */
+	if (jm_portability_get_current_working_directory(cd, sizeof(cd) / sizeof(char)) == jm_status_error) {
+		jm_log(callbacks, "UNZIP", jm_log_level_error, "Could not get Current Directory");
+		return jm_status_error;
+	}
+
+	argc = N_BASIC_ARGS + n_files_to_zip;
+	argv = callbacks->calloc(sizeof(char*), argc);	
+	/* Failed to allocate memory, return error */
+	if (argv == NULL) {
+		callbacks->logger(NULL, "FMIZIP", jm_log_level_error, "Failed to allocate memory.");
+		return jm_status_error;	
+	}
+
+	/* Input arguments to the corresponding minizip main() function call */
+	/*
+	Usage : minizip [-o] [-a] [-0 to -9] [-p password] [-j] file.zip [files_to_add]
+
+	-o  Overwrite existing file.zip
+	-a  Append to existing file.zip
+	-0  Store only
+	-1  Compress faster
+	-9  Compress better
+
+	-j  exclude path. store only the file name.
+	*/
+	argv[0]="minizip";
+	argv[1]="-o";
+	argv[2]="-1";
+	argv[3]=(char*)zip_file_path;
+
+	/* Append the input argument list with the files to unzip */
+	jm_log_info(callbacks, "FMIZIP", "Will compress following files: \n");
+	for (k = 0; k < n_files_to_zip; k++) {
+		jm_log_info(callbacks, "FMIZIP", "\t%s\n", files_to_zip[k]);
+		argv[N_BASIC_ARGS + k] = (char*)files_to_zip[k];
+	}
+
+	/* Zip */
+	status = minizip(argc, (char**)argv);
+
+	/* Free allocated memory */
+	callbacks->free(argv);
+
+	/* Reset the current directory */
+	if (jm_portability_set_current_working_directory(cd) == jm_status_error) {
+		jm_log(callbacks, "UNZIP", jm_log_level_warning, "Could not change back Current Directory");
+		return jm_status_warning;
+	}
+
+	/* Return error status */
+	if (status == 0) {
+		return jm_status_success;
+	} else {
+		return jm_status_error;	
+	}
+}