TWRP-ify AOSP code

Pull in most TWRP sources
Stub out partition management code
Make it compile -- probably will not boot
Kind of a mess but have to start somewhere
diff --git a/makelist.c b/makelist.c
new file mode 100644
index 0000000..ed7cce9
--- /dev/null
+++ b/makelist.c
@@ -0,0 +1,157 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * The code was written from scratch by Dees_Troy dees_troy at
+ * yahoo
+ *
+ * Copyright (c) 2012
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+
+#include "extra-functions.h"
+#include "common.h"
+#include "data.h"
+#include "variables.h"
+
+int makelist_file_count;
+unsigned long long makelist_current_size;
+
+unsigned long long getUsedSizeViaDu(const char* path)
+{
+    char cmd[512];
+    sprintf(cmd, "du -sk %s | awk '{ print $1 }'", path);
+
+    FILE *fp;
+    fp = __popen(cmd, "r");
+    
+    char str[512];
+    fgets(str, sizeof(str), fp);
+    __pclose(fp);
+
+    unsigned long long size = atol(str);
+    size *= 1024ULL;
+
+    return size;
+}
+
+int add_item(const char* item_name) {
+	char actual_filename[255];
+	FILE *fp;
+
+	if (makelist_file_count > 999) {
+		LOGE("File count is too large!\n");
+		return -1;
+	}
+
+	sprintf(actual_filename, "/tmp/list/filelist%03i", makelist_file_count);
+
+	fp = fopen(actual_filename, "a");
+	if (fp == NULL) {
+		LOGE("Failed to open '%s'\n", actual_filename);
+		return -1;
+	}
+	if (fprintf(fp, "%s\n", item_name) < 0) {
+		LOGE("Failed to write to '%s'\n", actual_filename);
+		return -1;
+	}
+	if (fclose(fp) != 0) {
+		LOGE("Failed to close '%s'\n", actual_filename);
+		return -1;
+	}
+	return 0;
+}
+
+int generate_file_lists(const char* path) {
+	DIR* d;
+	struct dirent* de;
+	struct stat st;
+	char path2[255], filename[255];
+
+	if (DataManager_GetIntValue(TW_HAS_DATA_MEDIA) == 1 && strlen(path) >= 11 && strncmp(path, "/data/media", 11) == 0)
+		return 0; // Skip /data/media
+
+	// Make a copy of path in case the data in the pointer gets overwritten later
+	strcpy(path2, path);
+
+	d = opendir(path2);
+	if (d == NULL)
+	{
+		LOGE("error opening '%s'\n", path2);
+		return -1;
+	}
+
+	while ((de = readdir(d)) != NULL)
+	{
+		if (de->d_type == DT_DIR && strcmp(de->d_name, ".") != 0 && strcmp(de->d_name, "..") != 0)
+		{
+			strcpy(filename, path2);
+			strcat(filename, "/");
+			strcat(filename, de->d_name);
+			if (DataManager_GetIntValue(TW_HAS_DATA_MEDIA) == 1 && strlen(filename) >= 11 && strncmp(filename, "/data/media", 11) == 0)
+				continue; // Skip /data/media
+			unsigned long long folder_size = getUsedSizeViaDu(filename);
+			if (makelist_current_size + folder_size > MAX_ARCHIVE_SIZE) {
+				if (generate_file_lists(filename) < 0)
+					return -1;
+			} else {
+				strcat(filename, "/");
+				if (add_item(filename) < 0)
+					return -1;
+				makelist_current_size += folder_size;
+			}
+		}
+		else if (de->d_type == DT_REG)
+		{
+			if (DataManager_GetIntValue(TW_HAS_DATA_MEDIA) == 1 && strlen(path2) >= 11 && strncmp(path2, "/data/media", 11) == 0)
+				continue; // Skip /data/media
+			strcpy(filename, path2);
+			strcat(filename, "/");
+			strcat(filename, de->d_name);
+			stat(filename, &st);
+
+			if (makelist_current_size != 0 && makelist_current_size + st.st_size > MAX_ARCHIVE_SIZE) {
+				makelist_file_count += 1;
+				makelist_current_size = 0;
+			}
+			if (add_item(filename) < 0)
+				return -1;
+			makelist_current_size += st.st_size;
+			if (st.st_size > 2147483648LL)
+				LOGE("There is a file that is larger than 2GB in the file system\n'%s'\nThis file may not restore properly\n", filename);
+		}
+	}
+	closedir(d);
+	return 0;
+}
+
+int make_file_list(char* path)
+{
+	makelist_file_count = 0;
+	makelist_current_size = 0;
+	__system("cd /tmp && rm -rf list");
+	__system("cd /tmp && mkdir list");
+	if (generate_file_lists(path) < 0) {
+		LOGE("Error generating file list\n");
+		return -1;
+	}
+	LOGI("Done, generated %i files.\n", (makelist_file_count + 1));
+	return (makelist_file_count + 1);
+}