src/rpi_list.c

   1 /** \ingroup contrac
   2  * @file
   3  * @author      David Llewellyn-Jones
   4  * @version     $(VERSION)
   5  *
   6  * @section LICENSE
   7  *
   8  *
   9  *
  10  * @brief
  11  * @section DESCRIPTION
  12  *
  13  *
  14  *
  15  */
  16
  17 // Includes
  18
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <stddef.h>
  22 #include <stdint.h>
  23
  24 #include "contrac/contrac.h"
  25 #include "contrac/utils.h"
  26 #include "contrac/log.h"
  27 #include "contrac/dtk_list.h"
  28
  29 #include "contrac/rpi_list.h"
  30
  31 // Defines
  32
  33 // Structures
  34
  35 struct _RpiListItem {
  36         Rpi * rpi;
  37         RpiListItem * next;
  38 };
  39
  40 struct _RpiList {
  41         RpiListItem * first;
  42         RpiListItem * last;
  43 };
  44
  45 // Function prototypes
  46
  47 // Function definitions
  48
  49 RpiList * rpi_list_new() {
  50         RpiList * data;
  51
  52         data = calloc(sizeof(RpiList), 1);
  53
  54         return data;
  55 }
  56
  57 void rpi_list_delete(RpiList * data) {
  58         RpiListItem * item;
  59         RpiListItem * next;
  60
  61         if (data) {
  62                 item = data->first;
  63                 while (item) {
  64                         next = item->next;
  65                         rpi_delete(item->rpi);
  66                         free(item);
  67                         item = next;
  68                 }
  69
  70                 free(data);
  71         }
  72 }
  73
  74 void rpi_list_append(RpiList * data, Rpi * rpi) {
  75         RpiListItem * item;
  76
  77         item = calloc(sizeof(RpiListItem), 1);
  78         item->rpi = rpi;
  79
  80         if (data->last == NULL) {
  81                 data->first = item;
  82                 data->last = item;
  83         }
  84         else {
  85                 data->last->next = item;
  86                 data->last = item;
  87         }
  88 }
  89
  90 RpiListItem const * rpi_list_first(RpiList const * data) {
  91         return data->first;
  92 }
  93
  94 RpiListItem const * rpi_list_next(RpiListItem const * data) {
  95         return data->next;
  96 }
  97
  98 Rpi const * rpi_list_get_rpi(RpiListItem const * data) {
  99         return data->rpi;
 100 }
 101
 102