libopkg/str_list.c

   1 /* str_list.c - the opkg package management system
   2
   3    Carl D. Worth
   4
   5    Copyright (C) 2001 University of Southern California
   6
   7    This program is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU General Public License as
   9    published by the Free Software Foundation; either version 2, or (at
  10    your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16 */
  17
  18 #include "includes.h"
  19
  20 #include "str_list.h"
  21
  22 int str_list_elt_init(str_list_elt_t *elt, char *data)
  23 {
  24     return void_list_elt_init((void_list_elt_t *) elt, data);
  25 }
  26
  27 void str_list_elt_deinit(str_list_elt_t *elt)
  28 {
  29     if (elt->data)
  30         free(elt->data);
  31     void_list_elt_deinit((void_list_elt_t *) elt);
  32 }
  33
  34 str_list_t *str_list_alloc()
  35 {
  36      str_list_t *list = (str_list_t *)calloc(1, sizeof(str_list_t));
  37      if (list)
  38           str_list_init(list);
  39      return list;
  40 }
  41
  42 int str_list_init(str_list_t *list)
  43 {
  44     return void_list_init((void_list_t *) list);
  45 }
  46
  47 void str_list_deinit(str_list_t *list)
  48 {
  49     str_list_elt_t *elt;
  50     while (!void_list_empty(list)) {
  51         elt = str_list_first(list);
  52         if (!elt)
  53             return;
  54         list_del_init(&elt->node);
  55         free(elt->data);
  56         elt->data=NULL;
  57         free(elt);
  58     }
  59 }
  60
  61 int str_list_append(str_list_t *list, char *data)
  62 {
  63     return void_list_append((void_list_t *) list, strdup(data));
  64 }
  65
  66 int str_list_push(str_list_t *list, char *data)
  67 {
  68     return void_list_push((void_list_t *) list, strdup(data));
  69 }
  70
  71 str_list_elt_t *str_list_pop(str_list_t *list)
  72 {
  73     return (str_list_elt_t *) void_list_pop((void_list_t *) list);
  74 }
  75
  76 void str_list_remove(str_list_t *list, str_list_elt_t **iter)
  77 {
  78     char *str = void_list_remove((void_list_t *) list,
  79                                                (void_list_elt_t **) iter);
  80
  81     if (str)
  82         free(str);
  83 }
  84
  85 void str_list_remove_elt(str_list_t *list, const char *target_str)
  86 {
  87      char *str = void_list_remove_elt((void_list_t *) list,
  88                                          (void *)target_str,
  89                                          (void_list_cmp_t)strcmp);
  90      if (str)
  91          free(str);
  92 }
  93
  94 str_list_elt_t *str_list_first(str_list_t *list) {
  95     return (str_list_elt_t * )void_list_first((void_list_t *) list);
  96 }
  97
  98 str_list_elt_t *str_list_prev(str_list_t *list, str_list_elt_t *node) {
  99     return (str_list_elt_t * )void_list_prev((void_list_t *) list, (void_list_elt_t *)node);
 100 }
 101
 102 str_list_elt_t *str_list_next(str_list_t *list, str_list_elt_t *node) {
 103     return (str_list_elt_t * )void_list_next((void_list_t *) list, (void_list_elt_t *)node);
 104 }
 105
 106 str_list_elt_t *str_list_last(str_list_t *list) {
 107     return (str_list_elt_t * )void_list_last((void_list_t *) list);
 108 }
 109
 110
 111 void str_list_purge(str_list_t *list) {
 112     str_list_deinit(list);
 113     free(list);
 114 }