--- /dev/null
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2018 Aleph One Ltd.
+ *
+ * Created by Timothy Manning <timothy@yaffs.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "lib.h"
+
+static int EXIT_ON_ERROR = 1;
+static int PRINT_LEVEL = 2; //This sets the level of detail which is printed. There are 3 levels 0,1,2 and 3
+ //0 just prints the number of tests passed and failed.
+ //1 is the basic print level. it will print the details of a failed test.
+ //2 will print if a test passes and cleans.
+void set_print_level(int new_level)
+{
+ PRINT_LEVEL=new_level;
+}
+
+void set_exit_on_error(int num)
+{
+ EXIT_ON_ERROR=num;
+}
+
+int get_exit_on_error(void)
+{
+ return EXIT_ON_ERROR;
+}
+
+
+int EROFS_setup(void)
+{
+ int output= -1;
+
+ output=yaffs_remount(YAFFS_MOUNT_POINT,1,1);
+ if (output<0){
+ print_message("failed to remount yaffs\n",2);
+ return -1;
+ }
+ return 1;
+}
+
+int EROFS_clean(void)
+{
+ int output=-1;
+ output= yaffs_remount(YAFFS_MOUNT_POINT,1,0);
+ if (output<0){
+ print_message("failed to remount yaffs\n",2);
+ return -1;
+ }
+ return 1;
+}
+
+
+int set_up_ELOOP(void){
+ int output1=1;
+ int output2=1;
+ int error =0;
+
+ output1=yaffs_symlink(ELOOP_PATH,ELOOP2_PATH);
+ if (output1 <0){
+ error=yaffs_get_error();
+ if (abs(error)==EEXIST){
+ output1= 1;
+ } else {
+ output1=-1;
+ }
+ }
+
+ output2=yaffs_symlink(ELOOP2_PATH,ELOOP_PATH);
+
+ if (output2 <0){
+ error=yaffs_get_error();
+ if (abs(error)==EEXIST){
+ output2= 1;
+ } else {
+ output2=-1;
+ }
+ }
+
+
+ yaffs_set_error(0); /*reset the last error to 0 */
+ return (output1|output2);
+}
+
+void join_paths(char *path1,char *path2,char *new_path )
+{
+
+ //strcat(new_path,path1); /*since all functions have this then pull it out*/
+ if ( (path1[(sizeof(path1)/sizeof(char))-2]=='/') && path2[0]!='/') {
+ /*paths are compatiable. concatanate them. note -2 is because of \0*/
+ strcat(new_path,path1);
+ strcat(new_path,path2);
+ //char new_path[(sizeof(path1)/sizeof(char))+(sizeof(path2)/sizeof(char))];
+ //strcpy(new_path,strcat(path1,path2));
+ //return new_path;
+ } else if ((path1[(sizeof(path1)/sizeof(char))-2]!='/') && path2[0]=='/') {
+ /*paths are compatiable. concatanate them*/
+ strcat(new_path,path1);
+ strcat(new_path,path2);
+
+ } else if ((path1[(sizeof(path1)/sizeof(char))-2]!='/') && path2[0]!='/') {
+ /*need to add a "/". */
+ strcat(new_path,path1);
+ strcat(new_path,"/");
+ strcat(new_path,path2);
+
+ } else if ((path1[(sizeof(path1)/sizeof(char))-2]=='/') && path2[0]=='/') {
+ /*need to remove a "/". */
+ /*yaffs does not mind the extra slash. */
+ strcat(new_path,path1);
+ strcat(new_path,path2);
+
+ } else {
+ //error
+ //return -1;
+ }
+}
+
+void print_message(char *message,char print_level)
+{
+ if (print_level <= PRINT_LEVEL){
+ printf("%s",message);
+ }
+}
+
+/*same as forcing the rmdir of a directory*/
+int delete_dir(char *dir_name)
+{
+ char message[200];
+ yaffs_DIR *d;
+ struct yaffs_dirent *de;
+ struct yaffs_stat s;
+ char str[300];
+ d = yaffs_opendir(dir_name);
+ //printf("%s\n",dir_name);
+ if(!d)
+ {
+ sprintf(message,"\nfailed to open dir %s \n was trying to delete this",dir_name);
+ print_message(message,1);
+
+
+ get_error();
+ return -1;
+ }
+
+ while((de = yaffs_readdir(d)) != NULL) {
+ //stats the file
+ sprintf(str,"%s/%s",dir_name,de->d_name);
+ yaffs_lstat(str,&s);
+
+ if ((s.st_mode & S_IFMT) == S_IFDIR){
+ //it is a directory. call the function recursivly.
+ delete_dir(str);
+ yaffs_rmdir(str);
+ }else{
+ yaffs_unlink(str);
+ }
+ }
+ yaffs_rmdir(dir_name);
+ yaffs_closedir(d);
+ return 1;
+}
+
+void get_error(void)
+{
+ int error_code=0;
+ char message[30];
+ message[0]='\0';
+
+ error_code=yaffs_get_error();
+ sprintf(message,"yaffs_error code %d\n",error_code);
+ print_message(message,1);
+ sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
+ print_message(message,1);
+}
+