direct/test-framework/timothy_tests/yaffs_and_linux_mirror_tests/linux_test_write.c

   1 /*
   2  * YAFFS: Yet another FFS. A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2018 Aleph One Ltd.
   5  *
   6  * Created by Timothy Manning <timothy@yaffs.net>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include "linux_test_write.h"
  14
  15 int linux_test_write(arg_temp *args_struct)
  16 {
  17         char path[200];
  18         char message[200];
  19         int output=0;
  20         int handle=-1;
  21         join_paths(linux_struct.root_path,args_struct->string1, path );
  22         sprintf(message,"trying to write to: %s\nwith mode set to %o \n",path,args_struct->char1 );
  23         print_message(3,message);
  24         printf("mode S_IREAD %d S_IWRITE %d\n",(args_struct->char2 & S_IREAD),(args_struct->char2 & S_IWRITE));
  25         handle=open(path,((args_struct->char1 &(O_TRUNC|O_EXCL|O_CREAT|O_APPEND))|O_RDWR),(args_struct->char2&(S_IREAD|S_IWRITE)));
  26         printf("handle %d\n",handle);
  27         if (handle<0){
  28                 print_message(3,"failed to open a handle\n");
  29                 return -1; //handle failed to open
  30         }
  31         sprintf(message,"trying to write: %d bytes into the file\n",strlen(args_struct->string2));
  32         print_message(3,message);
  33         output=write(handle,args_struct->string2,strlen(args_struct->string2));
  34         close(handle);
  35         return output;
  36 }