direct/timothy_tests/quick_tests/test_yaffs_write_EFBIG.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2010 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_EFBIG.h"
  15
  16 static int handle=0;
  17 static char *file_name = NULL;
  18 int test_yaffs_write_EFBIG(void)
  19 {
  20         int output=0;
  21         int error_code=0;
  22         handle=test_yaffs_open();
  23         int x=0;
  24
  25         long int file_name_length=100000000000;
  26
  27         file_name = malloc(file_name_length);
  28         if(!file_name){
  29                 printf("unable to create file text\n");
  30                 return -1;
  31         }
  32
  33         strcat(file_name,YAFFS_MOUNT_POINT);
  34         for (x=strlen(YAFFS_MOUNT_POINT); x<file_name_length -1; x++){
  35                 file_name[x]='a';
  36         }
  37         file_name[file_name_length-2]='\0';
  38
  39
  40
  41         if (handle>=0){
  42                 output= yaffs_write(handle, file_name, file_name_length-1);
  43                 if (output<0){
  44                         error_code=yaffs_get_error();
  45                         //printf("EISDIR def %d, Error code %d\n", ENOTDIR,error_code);
  46                         if (abs(error_code)==EINVAL){
  47                                 return 1;
  48                         } else {
  49                                 printf("different error than expected\n");
  50                                 return -1;
  51                         }
  52                 } else {
  53                         printf("wrote a large amount of text to a file.(which is a bad thing)\n");
  54                         return -1;
  55                 }
  56
  57         } else {
  58                 printf("error opening file\n");
  59                 return -1;
  60         }
  61
  62 }
  63
  64 int test_yaffs_write_EFBIG_clean(void)
  65 {
  66         int output=1;
  67         if(file_name){
  68                 free(file_name);
  69                 file_name = NULL;
  70         }
  71
  72         if (handle>=0){
  73                 output=yaffs_close(handle);
  74         }
  75
  76
  77         output= test_yaffs_truncate_clean();
  78         if (output>=0){
  79                 output=test_yaffs_write();
  80                 if (output>=0){
  81                         return 1;
  82                 } else {
  83                         printf("failed to write to file\n");
  84                         return -1;
  85                 }
  86         } else {
  87                 printf("failed to truncate file\n");
  88                 return -1;
  89         }
  90
  91 }