yaffs Restructuring timothy_tests folder.
authorTimothy Manning <tfhmanning@gmail.com>
Mon, 25 Oct 2010 21:20:42 +0000 (10:20 +1300)
committerTimothy Manning <tfhmanning@gmail.com>
Mon, 25 Oct 2010 21:20:42 +0000 (10:20 +1300)
Signed-off-by: Timothy Manning <tfhmanning@gmail.com>
17 files changed:
direct/timothy_tests/dev/Makefile [moved from direct/timothy_tests/Makefile with 98% similarity]
direct/timothy_tests/dev/error_handler.c [moved from direct/timothy_tests/error_handler.c with 100% similarity]
direct/timothy_tests/dev/error_handler.h [moved from direct/timothy_tests/error_handler.h with 100% similarity]
direct/timothy_tests/dev/found_bugs.txt [moved from direct/timothy_tests/found_bugs.txt with 100% similarity]
direct/timothy_tests/dev/message_buffer.c [moved from direct/timothy_tests/message_buffer.c with 100% similarity]
direct/timothy_tests/dev/message_buffer.h [moved from direct/timothy_tests/message_buffer.h with 100% similarity]
direct/timothy_tests/dev/yaffs_tester.c [moved from direct/timothy_tests/yaffs_tester.c with 100% similarity]
direct/timothy_tests/dev/yaffs_tester.h [moved from direct/timothy_tests/yaffs_tester.h with 100% similarity]
direct/timothy_tests/running_out_of_handles_error/Makefile [new file with mode: 0644]
direct/timothy_tests/running_out_of_handles_error/README.txt [new file with mode: 0644]
direct/timothy_tests/running_out_of_handles_error/error_handler.c [new file with mode: 0644]
direct/timothy_tests/running_out_of_handles_error/error_handler.h [new file with mode: 0644]
direct/timothy_tests/running_out_of_handles_error/found_bugs.txt [new file with mode: 0644]
direct/timothy_tests/running_out_of_handles_error/message_buffer.c [new file with mode: 0644]
direct/timothy_tests/running_out_of_handles_error/message_buffer.h [new file with mode: 0644]
direct/timothy_tests/running_out_of_handles_error/yaffs_tester.c [new file with mode: 0644]
direct/timothy_tests/running_out_of_handles_error/yaffs_tester.h [new file with mode: 0644]

similarity index 98%
rename from direct/timothy_tests/Makefile
rename to direct/timothy_tests/dev/Makefile
index c4accf5..82c9c37 100644 (file)
@@ -82,13 +82,13 @@ $(ALLOBJS): %.o: %.c
 
 
 $(YAFFSSYMLINKS):
-       ln -s ../../$@ $@
+       ln -s ../../../$@ $@
 
 $(YAFFSDIRECTSYMLINKS):
-       ln -s ../$@ $@
+       ln -s ../../$@ $@
 
 $(DIRECTEXTRASYMLINKS):
-       ln -s ../basic-test/$@ $@
+       ln -s ../../basic-test/$@ $@
 
 
 yaffs_tester: $(SYMLINKS) $(YAFFSTESTOBJS)
diff --git a/direct/timothy_tests/running_out_of_handles_error/Makefile b/direct/timothy_tests/running_out_of_handles_error/Makefile
new file mode 100644 (file)
index 0000000..82c9c37
--- /dev/null
@@ -0,0 +1,103 @@
+# Makefile for YAFFS direct stress tests
+#
+#
+# YAFFS: Yet another Flash File System. A NAND-flash specific file system.
+#
+# Copyright (C) 2003-2010 Aleph One Ltd.
+#
+#
+# Created by Charles Manning <charles@aleph1.co.uk>
+#
+# 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.
+#
+# NB Warning this Makefile does not include header dependencies.
+#
+# $Id: Makefile,v 1.7 2010-02-25 22:34:47 charles Exp $
+
+#EXTRA_COMPILE_FLAGS = -DYAFFS_IGNORE_TAGS_ECC
+
+CFLAGS =      -DCONFIG_YAFFS_DIRECT -DCONFIG_YAFFS_SHORT_NAMES_IN_RAM -DCONFIG_YAFFS_YAFFS2  
+CFLAGS +=     -DCONFIG_YAFFS_PROVIDE_DEFS -DCONFIG_YAFFSFS_PROVIDE_VALUES
+CFLAGS +=    -Wall -g $(EXTRA_COMPILE_FLAGS) -Wstrict-aliasing 
+#CFLAGS +=    -fno-strict-aliasing
+CFLAGS +=    -O0
+CFLAGS +=    -Wextra -Wpointer-arith
+#CFLAGS +=    -DCONFIG_YAFFS_VALGRIND_TEST
+
+#CFLAGS+=   -Wshadow -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Wmissing-declarations
+#CFLAGS+=   -Wmissing-prototypes -Wredundant-decls -Wnested-externs -Winline
+
+
+COMMONTESTOBJS = yaffscfg2k.o yaffs_ecc.o yaffs_fileem.o yaffs_fileem2k.o yaffsfs.o yaffs_guts.o \
+                yaffs_packedtags1.o yaffs_ramdisk.o yaffs_ramem2k.o \
+                yaffs_tagscompat.o yaffs_packedtags2.o yaffs_tagsvalidity.o yaffs_nand.o \
+                yaffs_checkptrw.o  yaffs_qsort.o\
+                yaffs_nameval.o \
+                yaffs_norif1.o  ynorsim.o   \
+                yaffs_allocator.o \
+                yaffs_bitmap.o \
+                yaffs_yaffs1.o \
+                yaffs_yaffs2.o \
+                yaffs_verify.o
+
+#               yaffs_checkptrwtest.o\
+
+YAFFSTESTOBJS  = $(COMMONTESTOBJS) yaffs_tester.o message_buffer.o error_handler.o
+
+
+ALLOBJS = $(sort $(YAFFSTESTOBJS))
+
+YAFFSSYMLINKS = devextras.h yaffs_ecc.c yaffs_ecc.h yaffs_guts.c yaffs_guts.h yaffsinterface.h yportenv.h yaffs_tagscompat.c yaffs_tagscompat.h \
+          yaffs_packedtags1.c yaffs_packedtags1.h yaffs_packedtags2.c yaffs_packedtags2.h  yaffs_nandemul2k.h \
+          yaffs_nand.c yaffs_nand.h yaffs_getblockinfo.h yaffs_list.h \
+          yaffs_tagsvalidity.c yaffs_tagsvalidity.h yaffs_checkptrw.h yaffs_checkptrw.c \
+          yaffs_nameval.c yaffs_nameval.h \
+          yaffs_qsort.c yaffs_qsort.h yaffs_trace.h \
+          yaffs_allocator.c yaffs_allocator.h \
+          yaffs_yaffs1.c yaffs_yaffs1.h \
+          yaffs_yaffs2.c yaffs_yaffs2.h \
+          yaffs_bitmap.c yaffs_bitmap.h \
+          yaffs_verify.c yaffs_verify.h
+
+YAFFSDIRECTSYMLINKS =  yaffsfs.c yaffs_flashif.h yaffs_flashif2.h\
+                      yaffsfs.h yaffs_malloc.h ydirectenv.h \
+                      yaffs_flashif.c yaffscfg.h \
+                      yaffs_nandif.c yaffs_nandif.h
+
+
+DIRECTEXTRASYMLINKS =  yaffscfg2k.c yaffs_fileem2k.c yaffs_fileem2k.h\
+                       yaffs_fileem.c yaffs_norif1.c yaffs_norif1.h \
+                       yaffs_ramdisk.c yaffs_ramdisk.h yaffs_ramem2k.c \
+                       ynorsim.h ynorsim.c
+
+SYMLINKS = $(YAFFSSYMLINKS) $(YAFFSDIRECTSYMLINKS) $(DIRECTEXTRASYMLINKS)
+#all: directtest2k boottest
+
+all: yaffs_tester 
+
+$(ALLOBJS): %.o: %.c
+       gcc -c $(CFLAGS) -o $@ $<
+
+
+$(YAFFSSYMLINKS):
+       ln -s ../../../$@ $@
+
+$(YAFFSDIRECTSYMLINKS):
+       ln -s ../../$@ $@
+
+$(DIRECTEXTRASYMLINKS):
+       ln -s ../../basic-test/$@ $@
+
+
+yaffs_tester: $(SYMLINKS) $(YAFFSTESTOBJS)
+       gcc $(CFLLAG) -o $@ $(YAFFSTESTOBJS)
+
+
+
+
+
+
+clean:
+       rm -f yaffs_tester  $(ALLOBJS) core $(SYMLINKS)
diff --git a/direct/timothy_tests/running_out_of_handles_error/README.txt b/direct/timothy_tests/running_out_of_handles_error/README.txt
new file mode 100644 (file)
index 0000000..453feb3
--- /dev/null
@@ -0,0 +1,6 @@
+This directory "freezes" the yaffs_tester programs in the state in which they produce a specific bug.
+
+This yaffs_tester testes the bug "error code 0, when yaffs has run out of handles"
+the yaffs_tester program may crash with another error before running out of handles.
+To fix this make clean the to reseed the rand function producing random names. 
+
diff --git a/direct/timothy_tests/running_out_of_handles_error/error_handler.c b/direct/timothy_tests/running_out_of_handles_error/error_handler.c
new file mode 100644 (file)
index 0000000..3474d01
--- /dev/null
@@ -0,0 +1,36 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * 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.
+ */
+
+/*
+ * error_handler.c contains code for checking yaffs function calls for errors.
+ */
+#include "error_handler.h"
+
+void yaffs_check_for_errors(char output, buffer *message_buffer,char error_message[],char success_message[])
+{
+       char dummy='0';
+       if (output==-1)
+       {
+               add_to_buffer(message_buffer, "\nerror##########",MESSAGE_LEVEL_ERROR,PRINT);
+               add_to_buffer(message_buffer, error_message,MESSAGE_LEVEL_ERROR,PRINT);
+               add_to_buffer(message_buffer, "error_code: ",MESSAGE_LEVEL_ERROR,PRINT);
+               if (MESSAGE_LEVEL_ERROR<=DEBUG_LEVEL)   printf("%d\n\n\n",yaffs_get_error());   /*cannot yet add int types to buffer. this is a quick fix*/             
+               scanf("%c",dummy);
+               //print_buffer(message_buffer,PRINT_ALL);
+               
+       }
+       else{
+               add_to_buffer(message_buffer, success_message,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+       }
+               
+}
diff --git a/direct/timothy_tests/running_out_of_handles_error/error_handler.h b/direct/timothy_tests/running_out_of_handles_error/error_handler.h
new file mode 100644 (file)
index 0000000..c07fdff
--- /dev/null
@@ -0,0 +1,23 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. 
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * 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 Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __error_handler_h__
+#define __error_handler_h__
+#include <stdio.h>
+#include "message_buffer.h"
+#include "yaffsfs.h"
+#define DEBUG_LEVEL 5 /*set the debug level. this is used to display the relevent debug messages*/
+void yaffs_check_for_errors(char output, buffer *message_buffer, char error_message[], char success_message[]);
+#endif
diff --git a/direct/timothy_tests/running_out_of_handles_error/found_bugs.txt b/direct/timothy_tests/running_out_of_handles_error/found_bugs.txt
new file mode 100644 (file)
index 0000000..418f1dc
--- /dev/null
@@ -0,0 +1,6 @@
+Found bugs in yaffs
+
+Error code 0 bug (run out of handles)
+       By opening lots of files and not closing them yaffs can run out of handles. 
+       The error code given by yaffs_get_error() returns 0. this error is not defined in yportenv.h
+
diff --git a/direct/timothy_tests/running_out_of_handles_error/message_buffer.c b/direct/timothy_tests/running_out_of_handles_error/message_buffer.c
new file mode 100644 (file)
index 0000000..5a5696e
--- /dev/null
@@ -0,0 +1,90 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * 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.
+ */
+
+/*
+ * message_buffer.c contains code for a message buffer .
+ */
+
+#include "message_buffer.h"
+
+void append_to_buffer(buffer *p_Buffer, char *message,char message_level,char print){
+       /*wrapper function for add_to_buffer_root_function*/
+       add_to_buffer_root_function(p_Buffer,message, message_level,APPEND_MESSAGE,print);
+}
+
+void add_to_buffer(buffer *p_Buffer, char *message,char message_level,char print){
+       /*wrapper function for add_to_buffer_root_function*/
+       add_to_buffer_root_function(p_Buffer,message, message_level,DO_NOT_APPEND_MESSAGE,print);
+}
+
+void add_to_buffer_root_function(buffer *p_Buffer, char *message,char message_level,char append,char print){
+
+       if (append==APPEND_MESSAGE){    /* append current message*/
+               strncat(p_Buffer->message[p_Buffer->head],message,BUFFER_MESSAGE_LENGTH);
+       }
+       else {
+
+               /*move the head up one. the head always points at the last written data*/
+               p_Buffer->head++;
+
+               /*printf("p_Buffer->tail=%d\n",p_Buffer->tail);*/
+               /*printf("p_Buffer->head=%d\n",p_Buffer->head);*/
+               if (p_Buffer->head >=BUFFER_SIZE-1) {
+                       /*printf("buffer overflow\n");*/
+                       p_Buffer->head -= (BUFFER_SIZE-1);      /*wrap the head around the buffer*/
+                       /*printf("new p_Buffer->head=%d\n",p_Buffer->head);*/
+               }       
+               /*if the buffer is full then delete last entry by moving the tail*/
+               if (p_Buffer->head==p_Buffer->tail){
+                       /*printf("moving buffer tail from %d to ",p_Buffer->tail);*/
+                       p_Buffer->tail++;       
+                       if (p_Buffer->tail >=BUFFER_SIZE) p_Buffer->tail -= BUFFER_SIZE;/*wrap the tail around the buffer*/
+                       /*printf("%d\n",p_Buffer->tail);*/
+
+               }
+
+               p_Buffer->message_level[p_Buffer->head]=message_level; /*copy the message level*/
+               strncpy(p_Buffer->message[p_Buffer->head],message,BUFFER_MESSAGE_LENGTH); /*copy the message*/
+               /*printf("copied %s into p_Buffer->message[p_Buffer->head]: %s\n",message,p_Buffer->message[p_Buffer->head]);
+               printf("extra %s\n",p_Buffer->message[p_Buffer->head]);*/
+       }
+       if ((p_Buffer->message_level[p_Buffer->head]<=DEBUG_LEVEL)&& (print==PRINT)){
+               /*printf("printing buffer 1\n");
+               // the print buffer function is not working this is just a quick fix             
+               print_buffer(p_Buffer,1); //if the debug level is higher enough then print the new message  
+               */
+               printf("%s\n",p_Buffer->message[p_Buffer->head]);
+       }
+}
+
+
+
+void print_buffer(buffer *p_Buffer, int number_of_messages_to_print){  
+       int x=0;
+       int i=0;
+       printf("print buffer\n");
+       printf("buffer head:%d\n",p_Buffer->head);
+       printf("buffer tail:%d\n",p_Buffer->tail);
+
+       if (number_of_messages_to_print==PRINT_ALL) number_of_messages_to_print=BUFFER_SIZE;
+//     printf("number_of_messages_to_print=%d\n",number_of_messages_to_print);
+       for (i=0,x=0; (x>=p_Buffer->tail) && (i<number_of_messages_to_print); i++, x--){
+//             printf("printing buffer\n");
+//             printf("x:%d\n",x);
+               if (x<0) x = BUFFER_SIZE-1;             /*wrap x around buffer*/
+               printf("%s\n",p_Buffer->message[p_Buffer->head]);
+               printf("printed buffer\n");
+       }
+
+}
+
diff --git a/direct/timothy_tests/running_out_of_handles_error/message_buffer.h b/direct/timothy_tests/running_out_of_handles_error/message_buffer.h
new file mode 100644 (file)
index 0000000..eadddb7
--- /dev/null
@@ -0,0 +1,45 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. 
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * 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 Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __message_buffer__
+#define __message_buffer__
+
+#include <stdio.h>
+#include <string.h>
+#define PRINT 1
+#define NPRINT 0
+#define APPEND_MESSAGE 1
+#define DO_NOT_APPEND_MESSAGE 0                
+#define PRINT_ALL -1                   /*this is used to print all of the messages in a buffer*/
+#define BUFFER_MESSAGE_LENGTH 60               /*number of char in message*/
+#define BUFFER_SIZE 50                 /*number of messages in buffer*/
+#define MESSAGE_LEVEL_ERROR 0
+#define MESSAGE_LEVEL_BASIC_TASKS 1
+typedef struct buffer_template{
+       char message[BUFFER_SIZE][BUFFER_MESSAGE_LENGTH];
+       int head;
+       int tail;
+       char message_level[BUFFER_SIZE];
+}buffer; 
+#include "error_handler.h"             /*include this for the debug level*/
+
+
+void print_buffer(buffer *p_Buffer,int number_of_messages_to_print);           /*print messages in the buffer*/ 
+/*wrapper functions for add_to_buffer_root_function*/
+void add_to_buffer(buffer *p_Buffer, char *message,char message_level,char print);
+void append_to_buffer(buffer *p_Buffer, char *message,char message_level,char print);
+
+void add_to_buffer_root_function(buffer *p_Buffer, char *message,char message_level,char append,char print);
+#endif
diff --git a/direct/timothy_tests/running_out_of_handles_error/yaffs_tester.c b/direct/timothy_tests/running_out_of_handles_error/yaffs_tester.c
new file mode 100644 (file)
index 0000000..3cab276
--- /dev/null
@@ -0,0 +1,164 @@
+/*
+ * YAFFS: Yet another FFS. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * 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.
+ */
+
+/*
+ * yaffs_tester.c designed to stress test yaffs2 direct.
+ */
+
+
+#include "yaffs_tester.h"
+
+
+
+int random_seed;
+int simulate_power_failure = 0;
+
+
+buffer message_buffer; /*create  message_buffer */
+
+
+
+int main(){    
+       char yaffs_test_dir[] ="/yaffs2/test_dir";      /*the path to the directory where all of the testing will take place*/
+       char yaffs_mount_dir[]="/yaffs2/";              /*the path to the mount point which yaffs will mount*/
+       
+       init(yaffs_test_dir,yaffs_mount_dir);
+       test(yaffs_test_dir);
+       yaffs_unmount(yaffs_mount_dir);
+       return 0;
+}
+
+
+void init(char *yaffs_test_dir,char *yaffs_mount_dir){
+       char output=0;
+       /*these variables are already set to zero, but it is better not to take chances*/
+       message_buffer.head=0;                           
+       message_buffer.tail=0;
+       
+       add_to_buffer(&message_buffer,"welcome to the yaffs tester",MESSAGE_LEVEL_BASIC_TASKS,PRINT);/* print boot up message*/ 
+       yaffs_start_up();
+       yaffs_mount(yaffs_mount_dir);
+
+       if (yaffs_access(yaffs_test_dir,0))
+       {
+               add_to_buffer(&message_buffer,"creating dir: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+               append_to_buffer(&message_buffer,yaffs_test_dir,MESSAGE_LEVEL_BASIC_TASKS,PRINT);       
+               output=yaffs_mkdir(yaffs_test_dir,S_IREAD | S_IWRITE);
+               yaffs_check_for_errors(output, &message_buffer,"could not create dir","created dir\n\n");
+       }
+       
+}
+void join_paths(char *path1,char *path2,char *new_path ){
+
+/*     printf("strlen path1:%d\n",strlen(path1));
+       printf("strlen path2:%d\n",strlen(path2));
+       printf("path1; %s\n",path1);
+*/
+       add_to_buffer(&message_buffer, "joining paths:",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+       append_to_buffer(&message_buffer,path1,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+       append_to_buffer(&message_buffer, " and ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+       append_to_buffer(&message_buffer, path2,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+       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);         
+               //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]!='/') {
+                       /*need to add a "/". */  
+               strcat(new_path,path1);
+               strcat(new_path,"/");
+               strcat(new_path,path2);
+               //strcpy(new_path,strcat(path1,strcat("/\0",path2)));
+
+#if 0
+               copy_array(path1,new_path,0,0);
+               copy_array('\0',new_path,0,(sizeof(path1)/sizeof(char)));
+               copy_array(path2,new_path,0,(sizeof(path1)/sizeof(char))+1);
+ old method now trying to use copy_array
+               //char new_path[(sizeof(path1)/sizeof(char))+(sizeof(path2)/sizeof(char))+1];
+               for (x=0;x<=(sizeof(path1)/sizeof(char))-1;x++){ 
+                       new_path[x]=path1[x];
+               }
+               new_path[x+1]='/';
+               for (x=(sizeof(path1)/sizeof(char)) ,i=0 ;i<=(sizeof(path2)/sizeof(char));x++,i++){ 
+                       new_path[x]=path2[i]; 
+               }
+#endif
+
+               //return new_path;
+       }
+       else if ((path1[(sizeof(path1)/sizeof(char))-2]=='/') && path2[0]=='/') {
+               /*need to remove a "/". */
+               /*yaffs does not mind the extra slash. */
+               //char new_path[(sizeof(path1)/sizeof(char))+(sizeof(path2)/sizeof(char))-1];
+               
+               strcat(new_path,path1);
+               strcat(new_path,path2);
+               //strcpy(new_path,strcat(path1,strncat("",path2,(sizeof(path1)/sizeof(char))-1))); 
+               //return new_path;
+       } 
+       else{
+               //error 
+               //return -1;
+       }
+}
+
+
+
+void test(char*yaffs_test_dir){
+       char output=0;
+       char name[MAX_FILE_NAME_SIZE+3 ]="apple\0";
+       char path[MAX_FILE_NAME_SIZE];
+       join_paths(yaffs_test_dir,name,path);
+       while(1)
+       {
+               path[0]='\0';// this should clear the path
+               generate_random_string(name);
+               join_paths(yaffs_test_dir,name,path);
+               add_to_buffer(&message_buffer,"trying to open file: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+               append_to_buffer(&message_buffer,path,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+               output=yaffs_open(path,O_CREAT | O_TRUNC| O_RDWR, S_IREAD | S_IWRITE);
+               yaffs_check_for_errors(output, &message_buffer,"failed to open file","opened file");
+       }
+}
+void  generate_random_string(char *ptr){
+       unsigned int x;
+       unsigned int length=((rand() %MAX_FILE_NAME_SIZE)+1);   /*creates a int with the number of charecters been between 1 and 51*/           
+       char letter='\0';
+       //printf("generating string\n");
+       //printf("string length is %d\n",length);
+       for (x=0; x <= (length-2) &&length>2 ; x++)
+       {
+               //printf("x=%d\n",x);   
+               /* keep generating a charecter until the charecter is legal*/
+               while((letter=='\0' )||(letter=='/')||(letter=='\\')){
+                       letter=(rand() % 126-32)+32;    /*generate a number between 32 and 126 and uses it as a charecter (letter) */
+               }       
+               ptr[x]=letter;
+               //printf("charecter generated is %c\n",ptr[x]);
+       }
+       ptr[x+1]='\0';  /*adds NULL charecter to turn it into a string*/
+       
+}
+
diff --git a/direct/timothy_tests/running_out_of_handles_error/yaffs_tester.h b/direct/timothy_tests/running_out_of_handles_error/yaffs_tester.h
new file mode 100644 (file)
index 0000000..ad68d29
--- /dev/null
@@ -0,0 +1,34 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. 
+ *
+ * Copyright (C) 2002-2010 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * 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 Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+#ifndef __YAFFS_TESTER_H__
+       #define __YAFFS_TESTER_H__
+
+#include <string.h>
+#include <stdio.h>
+       
+#include "yaffsfs.h"   /* it is in "yaffs2/direct/" link it in the Makefile */
+#include "message_buffer.h"
+#include "error_handler.h"
+       
+
+#define MAX_FILE_NAME_SIZE 51
+
+void init(char *yaffs_test_dir,char *yaffs_mount_dir); /*sets up yaffs and mounts yaffs */
+void test(char *yaffs_test_dir);                               /*contains the test code*/
+void generate_random_string(char *ptr);                                /*generates a random string of letters to be used for a name*/
+void join_paths(char *path1,char *path2,char *newpath );
+void copy_array(char *from,char *to, unsigned int from_offset,unsigned int to_offset);
+#endif