+void open_random_file(char *yaffs_test_dir, handle_regster *P_open_handles_array){
+ int output=0;
+ int x=0;
+ char name[MAX_FILE_NAME_SIZE+3 ]="apple\0";
+ char path[MAX_FILE_NAME_SIZE+strlen(yaffs_test_dir)];
+ path[0]='\0';// this should clear the path
+ add_to_buffer(&message_buffer,"\n\number of opened handles: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,P_open_handles_array->number_of_open_handles,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ if (P_open_handles_array->number_of_open_handles<MAX_NUMBER_OF_OPENED_HANDLES)
+ {
+ generate_random_string(name,MAX_FILE_NAME_SIZE);
+ printf("before %d %d %d\n",strlen(yaffs_test_dir),strlen(name),strlen(path));
+ join_paths(yaffs_test_dir,name,path);//bug###################### here
+ printf("after %d %d %d\n",strlen(yaffs_test_dir),strlen(name),strlen(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);
+ if (yaffs_access(path,0)==0){
+ stat_file(path);
+ }
+ else {
+ add_to_buffer(&message_buffer,"file does not exists, creating file",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ }
+
+ output=yaffs_open(path,O_CREAT | O_TRUNC| O_RDWR, S_IREAD | S_IWRITE);
+ x=0;
+ for (x=0;P_open_handles_array->handle[x]!=-3 && x<MAX_NUMBER_OF_OPENED_HANDLES;x++){} /*find an empty handle*/
+
+ add_to_buffer(&message_buffer,"handle array id ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,x,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+ //for (x=0;handle_pointers[x]!=NULL;x++){}
+ P_open_handles_array->handle[x]=output;
+ P_open_handles_array->path[x][0]='\0';
+ strcat(P_open_handles_array->path[x],path);
+ add_to_buffer(&message_buffer,"yaffs handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,output,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ add_to_buffer(&message_buffer,"stored handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+
+ //yaffs_open will return a null pointer if it cannot open a file. check for errors will not work.
+ yaffs_check_for_errors(output, &message_buffer,"failed to open file","opened file");
+
+ P_open_handles_array->number_of_open_handles++;
+ }
+ else close_random_file(P_open_handles_array);
+
+}
+
+void write_to_random_file(handle_regster *P_open_handles_array){
+ int number_of_lines_of_text=0;
+ int length=100;
+ char text[length+1];
+ text[0]='\0';
+ int seek=0;
+ int x=0;
+ int output=0;
+ if (P_open_handles_array->number_of_open_handles>0){
+
+ while (P_open_handles_array->handle[x]==-3){ /*find a random open handle*/
+ x=rand() % (MAX_NUMBER_OF_OPENED_HANDLES-1);
+ }
+ add_to_buffer(&message_buffer,"\n\ntrying to write to ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer,P_open_handles_array->path[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+ stat_file(P_open_handles_array->path[x]);
+ number_of_lines_of_text=rand() %1000;
+ add_to_buffer(&message_buffer,"writing ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,number_of_lines_of_text,MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer," lines of text",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+
+ for (;number_of_lines_of_text>0;number_of_lines_of_text--)
+ {
+ generate_random_string(text,length);
+ seek=rand()%1000;
+ add_to_buffer(&message_buffer,"trying to seek to ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,seek,MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ output=yaffs_lseek(P_open_handles_array->handle[x],seek,SEEK_SET);
+ yaffs_check_for_errors(output, &message_buffer,"failed to seek","seeked file");
+ add_to_buffer(&message_buffer,"trying to write to file",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ output=yaffs_write(P_open_handles_array->handle[x], text, strlen(text));
+ yaffs_check_for_errors(output, &message_buffer,"failed to write text","wrote text");
+
+ }
+ }
+}
+
+void truncate_random_file(handle_regster *P_open_handles_array){
+ int x=0;
+ int truncate_size=0;
+ int output=0;
+
+ if (P_open_handles_array->number_of_open_handles>0){
+ add_to_buffer(&message_buffer,"\n\ntruncate function ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ while (P_open_handles_array->handle[x]==-3){ /*find a random open handle*/
+ x=rand() % (MAX_NUMBER_OF_OPENED_HANDLES-1);
+ }
+ add_to_buffer(&message_buffer,"trying to truncate ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer,P_open_handles_array->path[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+ stat_file(P_open_handles_array->path[x]);
+ truncate_size=rand() %10000;
+ output=yaffs_ftruncate(P_open_handles_array->handle[x], truncate_size);
+ yaffs_check_for_errors(output, &message_buffer,"failed to truncate file","truncated file");
+ }
+}
+
+void close_random_file(handle_regster *P_open_handles_array){
+ /*run out of space on the handle pointer array*/
+ /*make space*/
+ int x=0;
+ int output=0;
+ int start=0;
+ if (P_open_handles_array->number_of_open_handles>0){
+ start=rand() % (MAX_NUMBER_OF_OPENED_HANDLES-1);
+ for (x=start;P_open_handles_array->handle[x] !=-3 &&(x+1>start ||x<start);){
+ x++;
+ if (x>MAX_NUMBER_OF_OPENED_HANDLES-1) x=0;
+
+ }
+ if (P_open_handles_array->handle[x]!=-3)
+ {
+ add_to_buffer(&message_buffer,"\n\ntrying to close file: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_to_buffer(&message_buffer,P_open_handles_array->path[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ add_to_buffer(&message_buffer,"file handle: ",MESSAGE_LEVEL_BASIC_TASKS,NPRINT);
+ append_int_to_buffer(&message_buffer,P_open_handles_array->handle[x],MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+
+ stat_file(P_open_handles_array->path[x]);
+ output=yaffs_close(P_open_handles_array->handle[x]);
+
+ if (output==-1) yaffs_check_for_errors(output, &message_buffer,"failed to close file","closed file");
+ else {
+ yaffs_check_for_errors(output, &message_buffer,"failed to close file","closed file");
+ P_open_handles_array->handle[x]=-3;
+ P_open_handles_array->path[x][0]='\0';
+ P_open_handles_array->number_of_open_handles--;
+ }
+ }
+ else {
+ add_to_buffer(&message_buffer,"\n\ntried to close file but could not find a open file ",MESSAGE_LEVEL_BASIC_TASKS,PRINT);
+ }
+ }
+}
+