From 86231ed7a8ebecf2e4821f9b426262045f941591 Mon Sep 17 00:00:00 2001 From: Timothy Manning Date: Tue, 26 Oct 2010 10:20:42 +1300 Subject: [PATCH] yaffs Restructuring timothy_tests folder. Signed-off-by: Timothy Manning --- direct/timothy_tests/{ => dev}/Makefile | 6 +- .../timothy_tests/{ => dev}/error_handler.c | 0 .../timothy_tests/{ => dev}/error_handler.h | 0 direct/timothy_tests/{ => dev}/found_bugs.txt | 0 .../timothy_tests/{ => dev}/message_buffer.c | 0 .../timothy_tests/{ => dev}/message_buffer.h | 0 direct/timothy_tests/{ => dev}/yaffs_tester.c | 0 direct/timothy_tests/{ => dev}/yaffs_tester.h | 0 .../running_out_of_handles_error/Makefile | 103 +++++++++++ .../running_out_of_handles_error/README.txt | 6 + .../error_handler.c | 36 ++++ .../error_handler.h | 23 +++ .../found_bugs.txt | 6 + .../message_buffer.c | 90 ++++++++++ .../message_buffer.h | 45 +++++ .../yaffs_tester.c | 164 ++++++++++++++++++ .../yaffs_tester.h | 34 ++++ 17 files changed, 510 insertions(+), 3 deletions(-) rename direct/timothy_tests/{ => dev}/Makefile (98%) rename direct/timothy_tests/{ => dev}/error_handler.c (100%) rename direct/timothy_tests/{ => dev}/error_handler.h (100%) rename direct/timothy_tests/{ => dev}/found_bugs.txt (100%) rename direct/timothy_tests/{ => dev}/message_buffer.c (100%) rename direct/timothy_tests/{ => dev}/message_buffer.h (100%) rename direct/timothy_tests/{ => dev}/yaffs_tester.c (100%) rename direct/timothy_tests/{ => dev}/yaffs_tester.h (100%) create mode 100644 direct/timothy_tests/running_out_of_handles_error/Makefile create mode 100644 direct/timothy_tests/running_out_of_handles_error/README.txt create mode 100644 direct/timothy_tests/running_out_of_handles_error/error_handler.c create mode 100644 direct/timothy_tests/running_out_of_handles_error/error_handler.h create mode 100644 direct/timothy_tests/running_out_of_handles_error/found_bugs.txt create mode 100644 direct/timothy_tests/running_out_of_handles_error/message_buffer.c create mode 100644 direct/timothy_tests/running_out_of_handles_error/message_buffer.h create mode 100644 direct/timothy_tests/running_out_of_handles_error/yaffs_tester.c create mode 100644 direct/timothy_tests/running_out_of_handles_error/yaffs_tester.h diff --git a/direct/timothy_tests/Makefile b/direct/timothy_tests/dev/Makefile similarity index 98% rename from direct/timothy_tests/Makefile rename to direct/timothy_tests/dev/Makefile index c4accf5..82c9c37 100644 --- a/direct/timothy_tests/Makefile +++ b/direct/timothy_tests/dev/Makefile @@ -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/error_handler.c b/direct/timothy_tests/dev/error_handler.c similarity index 100% rename from direct/timothy_tests/error_handler.c rename to direct/timothy_tests/dev/error_handler.c diff --git a/direct/timothy_tests/error_handler.h b/direct/timothy_tests/dev/error_handler.h similarity index 100% rename from direct/timothy_tests/error_handler.h rename to direct/timothy_tests/dev/error_handler.h diff --git a/direct/timothy_tests/found_bugs.txt b/direct/timothy_tests/dev/found_bugs.txt similarity index 100% rename from direct/timothy_tests/found_bugs.txt rename to direct/timothy_tests/dev/found_bugs.txt diff --git a/direct/timothy_tests/message_buffer.c b/direct/timothy_tests/dev/message_buffer.c similarity index 100% rename from direct/timothy_tests/message_buffer.c rename to direct/timothy_tests/dev/message_buffer.c diff --git a/direct/timothy_tests/message_buffer.h b/direct/timothy_tests/dev/message_buffer.h similarity index 100% rename from direct/timothy_tests/message_buffer.h rename to direct/timothy_tests/dev/message_buffer.h diff --git a/direct/timothy_tests/yaffs_tester.c b/direct/timothy_tests/dev/yaffs_tester.c similarity index 100% rename from direct/timothy_tests/yaffs_tester.c rename to direct/timothy_tests/dev/yaffs_tester.c diff --git a/direct/timothy_tests/yaffs_tester.h b/direct/timothy_tests/dev/yaffs_tester.h similarity index 100% rename from direct/timothy_tests/yaffs_tester.h rename to direct/timothy_tests/dev/yaffs_tester.h 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 index 0000000..82c9c37 --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/Makefile @@ -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 +# +# 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 index 0000000..453feb3 --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/README.txt @@ -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 index 0000000..3474d01 --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/error_handler.c @@ -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 + * + * 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 index 0000000..c07fdff --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/error_handler.h @@ -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 + * + * 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 +#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 index 0000000..418f1dc --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/found_bugs.txt @@ -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 index 0000000..5a5696e --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/message_buffer.c @@ -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 + * + * 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) && (imessage[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 index 0000000..eadddb7 --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/message_buffer.h @@ -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 + * + * 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 +#include +#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 index 0000000..3cab276 --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/yaffs_tester.c @@ -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 + * + * 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 index 0000000..ad68d29 --- /dev/null +++ b/direct/timothy_tests/running_out_of_handles_error/yaffs_tester.h @@ -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 + * + * 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 +#include + +#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 -- 2.30.2