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 char string[FILE_NAME_LENGTH+1];
  19
  20
  21 int get_exit_on_error(void)
  22 {
  23         return exit_on_error_val;
  24 }
  25
  26 void set_exit_on_error(int val)
  27 {
  28         exit_on_error_val=val;
  29 }
  30
  31 node * linked_list_add_node(int pos,node *head_node)
  32 {
  33         node *new_node=NULL;
  34         if (pos==HEAD){
  35                 new_node=malloc(sizeof(node));
  36                 memset(new_node, 0, sizeof(node));
  37                 new_node->string=NULL;
  38                 new_node->next=head_node;
  39                 return new_node;
  40         }
  41         return NULL;
  42 }
  43
  44 void node_print_pointers(node *current_node)
  45 {
  46         while (current_node != NULL){
  47                 sprintf(message,"current_node: %p, string: %s next_node: %p\n",current_node,current_node->string,current_node->next);
  48                 print_message(3,message);
  49                 current_node=current_node->next;
  50         }
  51 }
  52
  53 int delete_linked_list(node *head_node)
  54 {
  55         node *next_node=NULL;
  56         node *current_node=head_node;
  57
  58                 while (current_node != NULL){
  59                         next_node=current_node->next;
  60                         free(current_node);
  61                         current_node=next_node;
  62                 }
  63
  64         return 1;
  65 }
  66
  67 char * generate_random_string(unsigned int length)
  68 {
  69
  70         unsigned int x;
  71         for (x=0;x<(length-1);x++)
  72         {
  73                 string[x]=(rand() % NAME_RANGE)+65;
  74         }
  75         string[x]='\0';
  76         return string;
  77 }
  78
  79 void set_print_level(int new_level)
  80 {
  81         PRINT_LEVEL=new_level;
  82 }
  83 int get_print_level(void)
  84 {
  85         return PRINT_LEVEL;
  86 }
  87 void print_message(char print_level,char *message)
  88 {
  89         if (print_level <= PRINT_LEVEL){
  90                 printf("%s",message);
  91         }
  92 }
  93 int random_int(void)
  94 {
  95         return (random()%1000000);
  96 }
  97
  98 void check_function(int output)
  99 {
 100         if (output>=0){
 101                 print_message(3,"test_passed\n");
 102         } else {
 103                 print_message(3,"test_failed\n");
 104                 get_error_linux();
 105         }
 106 }
 107
 108 void get_error_linux(void)
 109 {
 110         int error_code=0;
 111         char message[30];
 112         message[0]='\0';
 113
 114         error_code=errno;
 115         sprintf(message,"linux_error code %d\n",error_code);
 116         print_message(1,message);
 117
 118         strcpy(message,"error is");
 119         perror(message);
 120 //      sprintf(message,"error is : %s\n",yaffs_error_to_str(error_code));
 121         //perror(message);
 122         //print_message(1,message);
 123 }