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diff --git a/src/common.c b/src/common.c
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+/*
+ * common.c
+ * Misc functions used in idevicerestore
+ *
+ * Copyright (c) 2010 Joshua Hill. All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdio.h>
+
+#include "common.h"
+
+int idevicerestore_debug = 0;
+
+int write_file(const char* filename, const void* data, size_t size) {
+ size_t bytes = 0;
+ FILE* file = NULL;
+
+ debug("Writing data to %s\n", filename);
+ file = fopen(filename, "wb");
+ if (file == NULL) {
+ error("read_file: Unable to open file %s\n", filename);
+ return -1;
+ }
+
+ bytes = fwrite(data, 1, size, file);
+ fclose(file);
+
+ if (bytes != size) {
+ error("ERROR: Unable to write entire file: %s: %d of %d\n", filename, bytes, size);
+ return -1;
+ }
+
+ return size;
+}
+
+int read_file(const char* filename, void** data, size_t* size) {
+ size_t bytes = 0;
+ size_t length = 0;
+ FILE* file = NULL;
+ char* buffer = NULL;
+ debug("Reading data from %s\n", filename);
+
+ *size = 0;
+ *data = NULL;
+
+ file = fopen(filename, "rb");
+ if (file == NULL) {
+ error("read_file: File %s not found\n", filename);
+ return -1;
+ }
+
+ fseek(file, 0, SEEK_END);
+ length = ftell(file);
+ rewind(file);
+
+ buffer = (char*) malloc(length);
+ if (buffer == NULL) {
+ error("ERROR: Out of memory\n");
+ fclose(file);
+ return -1;
+ }
+ bytes = fread(buffer, 1, length, file);
+ fclose(file);
+
+ if (bytes != length) {
+ error("ERROR: Unable to read entire file\n");
+ free(buffer);
+ return -1;
+ }
+
+ *size = length;
+ *data = buffer;
+ return 0;
+}
+
+void debug_plist(plist_t plist) {
+ int size = 0;
+ char* data = NULL;
+ plist_to_xml(plist, &data, &size);
+ info("%s", data);
+ free(data);
+}
+
+void print_progress_bar(double progress) {
+ int i = 0;
+ if(progress < 0) return;
+ if(progress > 100) progress = 100;
+ info("\r[");
+ for(i = 0; i < 50; i++) {
+ if(i < progress / 2) info("=");
+ else info(" ");
+ }
+ info("] %3.1f%%", progress);
+ if(progress == 100) info("\n");
+ fflush(stdout);
+}