direct/timothy_tests/quick_tests/test_yaffs_write_big_file.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2011 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Timothy Manning <timothy@yaffs.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12  */
  13
  14 #include "test_yaffs_write_big_file.h"
  15
  16 static int handle=-1;
  17 static char *file_name = NULL;
  18 int test_yaffs_write_big_file(void)
  19 {
  20         int output=0;
  21         int error_code=0;
  22         handle=test_yaffs_open();
  23         int x=0;
  24
  25         int file_name_length=20000;
  26         if (handle<0){
  27                 printf("failed to open file\n");
  28                 return -1;
  29         }
  30         output=yaffs_lseek(handle,0x7FFFFF00, SEEK_SET);
  31         if (output<0){
  32                 printf("failed to seek\n");
  33                 return -1;
  34         }
  35         file_name = malloc(file_name_length);
  36         if(!file_name){
  37                 printf("unable to create file text\n");
  38                 return -1;
  39         }
  40
  41         strcpy(file_name,YAFFS_MOUNT_POINT);
  42         for (x=strlen(YAFFS_MOUNT_POINT); x<file_name_length -1; x++){
  43                 file_name[x]='a';
  44         }
  45         file_name[file_name_length-2]='\0';
  46
  47
  48
  49         if (handle>=0){
  50                 output= yaffs_write(handle, file_name, file_name_length-1);
  51                 if (output<0){
  52                         error_code=yaffs_get_error();
  53                         //printf("EISDIR def %d, Error code %d\n", ENOTDIR,error_code);
  54                         if (abs(error_code)==EINVAL){
  55                                 return 1;
  56                         } else {
  57                                 printf("different error than expected\n");
  58                                 return -1;
  59                         }
  60                 } else {
  61                         printf("wrote a large amount of text to a file.(which is a bad thing)\n");
  62                         return -1;
  63                 }
  64
  65         } else {
  66                 printf("error opening file\n");
  67                 return -1;
  68         }
  69
  70 }
  71
  72 int test_yaffs_write_big_file_clean(void)
  73 {
  74         int output=1;
  75         if(file_name){
  76                 free(file_name);
  77                 file_name = NULL;
  78         }
  79
  80         if (handle>=0){
  81                 output=yaffs_close(handle);
  82         }
  83
  84
  85         output= yaffs_truncate(FILE_PATH,FILE_SIZE );
  86         if (output>=0){
  87                 output=test_yaffs_write();
  88                 if (output>=0){
  89                         return test_yaffs_write_clean();
  90                 } else {
  91                         printf("failed to write to file\n");
  92                         return -1;
  93                 }
  94         } else {
  95                 printf("failed to truncate file\n");
  96                 return -1;
  97         }
  98
  99 }