direct/timothy_tests/linux_tests/lib.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 "lib.h"
  15 static char message[200];
  16 static int  PRINT_LEVEL = 3;
  17
  18 node * linked_list_add_node(int pos,node *head_node)
  19 {
  20         node *new_node=NULL;
  21         if (pos==HEAD){
  22                 new_node=malloc(sizeof(node));
  23                 memset(new_node, NULL, sizeof(node));
  24                 new_node->string=NULL;
  25                 new_node->next=head_node;
  26                 return new_node;
  27         }
  28         return NULL;
  29 }
  30
  31 void node_print_pointers(node *current_node)
  32 {
  33         while (current_node != NULL){
  34                 sprintf(message,"current_node: %p, string: %s next_node: %p\n",current_node,current_node->string,current_node->next);
  35                 print_message(3,message);
  36                 current_node=current_node->next;
  37         }
  38 }
  39
  40 int delete_linked_list(node *head_node)
  41 {
  42         node *next_node=NULL;
  43         node *current_node=head_node;
  44
  45                 while (current_node != NULL){
  46                         next_node=current_node->next;
  47                         free(current_node);
  48                         current_node=next_node;
  49                 }
  50
  51         return 1;
  52 }
  53
  54 char * generate_random_string(unsigned int length)
  55 {
  56         char string[length+1];
  57         unsigned int x;
  58         for (x=0;x<(length-1);x++)
  59         {
  60                 string[x]=(rand() % NAME_RANGE)+65;
  61         }
  62         string[x]='\0';
  63         return string;
  64 }
  65 void set_print_level(int new_level)
  66 {
  67         PRINT_LEVEL=new_level;
  68 }
  69 int get_print_level(void)
  70 {
  71         return PRINT_LEVEL;
  72 }
  73 void print_message(char print_level,char *message)
  74 {
  75         if (print_level <= PRINT_LEVEL){
  76                 printf(message);
  77         }
  78 }
  79 unsigned int random_int(void)
  80 {
  81         return (random()%4294967295);
  82 }
  83
  84 void check_function(int output)
  85 {
  86         if (output>=0){
  87                 print_message(3,"test_passed\n");
  88         } else {
  89                 print_message(3,"test_failed\n");
  90                 get_error_linux();
  91         }
  92 }
  93
  94 void get_error_linux(void)
  95 {
  96         int error_code=0;
  97         char message[30];
  98         message[0]='\0';
  99
 100         error_code=errno;
 101         sprintf(message,"linux_error code %d\n",error_code);
 102         print_message(1,message);
 103
 104         strcpy(message,"error is");
 105         perror(message);
 106 //      sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 107         //perror(message);
 108         //print_message(1,message);
 109 }