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 static int exit_on_error_val =1;
  18
  19 int get_exit_on_error(void)
  20 {
  21         return exit_on_error_val;
  22 }
  23
  24 void set_exit_on_error(int val)
  25 {
  26         exit_on_error_val=val;
  27 }
  28
  29 node * linked_list_add_node(int pos,node *head_node)
  30 {
  31         node *new_node=NULL;
  32         if (pos==HEAD){
  33                 new_node=malloc(sizeof(node));
  34                 memset(new_node, NULL, sizeof(node));
  35                 new_node->string=NULL;
  36                 new_node->next=head_node;
  37                 return new_node;
  38         }
  39         return NULL;
  40 }
  41
  42 void node_print_pointers(node *current_node)
  43 {
  44         while (current_node != NULL){
  45                 sprintf(message,"current_node: %p, string: %s next_node: %p\n",current_node,current_node->string,current_node->next);
  46                 print_message(3,message);
  47                 current_node=current_node->next;
  48         }
  49 }
  50
  51 int delete_linked_list(node *head_node)
  52 {
  53         node *next_node=NULL;
  54         node *current_node=head_node;
  55
  56                 while (current_node != NULL){
  57                         next_node=current_node->next;
  58                         free(current_node);
  59                         current_node=next_node;
  60                 }
  61
  62         return 1;
  63 }
  64
  65 char * generate_random_string(unsigned int length)
  66 {
  67         char string[length+1];
  68         unsigned int x;
  69         for (x=0;x<(length-1);x++)
  70         {
  71                 string[x]=(rand() % NAME_RANGE)+65;
  72         }
  73         string[x]='\0';
  74         return string;
  75 }
  76 void set_print_level(int new_level)
  77 {
  78         PRINT_LEVEL=new_level;
  79 }
  80 int get_print_level(void)
  81 {
  82         return PRINT_LEVEL;
  83 }
  84 void print_message(char print_level,char *message)
  85 {
  86         if (print_level <= PRINT_LEVEL){
  87                 printf(message);
  88         }
  89 }
  90 unsigned int random_int(void)
  91 {
  92         return (random()%4294967295);
  93 }
  94
  95 void check_function(int output)
  96 {
  97         if (output>=0){
  98                 print_message(3,"test_passed\n");
  99         } else {
 100                 print_message(3,"test_failed\n");
 101                 get_error_linux();
 102         }
 103 }
 104
 105 void get_error_linux(void)
 106 {
 107         int error_code=0;
 108         char message[30];
 109         message[0]='\0';
 110
 111         error_code=errno;
 112         sprintf(message,"linux_error code %d\n",error_code);
 113         print_message(1,message);
 114
 115         strcpy(message,"error is");
 116         perror(message);
 117 //      sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 118         //perror(message);
 119         //print_message(1,message);
 120 }