direct/timothy_tests/mirror_tests/linux_test_write.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 "linux_test_write.h"
  15
  16 int linux_test_write(arg_temp *args_struct)
  17 {
  18         char path[200];
  19         char message[200];
  20         int output=0;
  21         int handle=-1;
  22         join_paths(linux_struct.root_path,args_struct->string1, path );
  23         sprintf(message,"trying to write to: %s\nwith mode set to %o \n",path,args_struct->char1 );
  24         print_message(3,message);
  25         printf("mode S_IREAD %d S_IWRITE %d\n",(args_struct->char2 & S_IREAD),(args_struct->char2 & S_IWRITE));
  26         handle=open(path,(args_struct->char1 &(O_TRUNC|O_EXCL|O_CREAT|O_APPEND)),(args_struct->char2&(S_IREAD|S_IWRITE)));
  27         printf("handle %d\n",handle);
  28         if (handle<0){
  29                 print_message(3,"failed to open a handle\n");
  30                 return -1; //handle failed to open
  31         }
  32         sprintf(message,"trying to write: %d bytes into the file\n",strlen(args_struct->string2));
  33         print_message(3,message);
  34         output=write(handle,args_struct->string2,strlen(args_struct->string2));
  35         close(handle);
  36         return output;
  37 }