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Glib实例学习（1）单链表

分类： C/C++

2011-06-28 09:14:39

1：SList结构

  1. typedef struct _GSList GSList;

  3. struct _GSList
  4. {
  5. gpointer data;
  6. GSList *next;
  7. };

2: SList 原型

  1. GSList* g_slist_append (GSList *list,
  2.                                           gpointer data) G_GNUC_WARN_UNUSED_RESULT;
  3. GSList* g_slist_prepend (GSList *list,
  4.                                           gpointer data) G_GNUC_WARN_UNUSED_RESULT;
  5. GSList* g_slist_insert (GSList *list,
  6.                                           gpointer data,
  7.                                           gint position) G_GNUC_WARN_UNUSED_RESULT;
  8. GSList* g_slist_insert_sorted (GSList *list,
  9.                                           gpointer data,
  10.                                           GCompareFunc func) G_GNUC_WARN_UNUSED_RESULT;
  11. GSList* g_slist_insert_sorted_with_data (GSList *list,
  12.                                           gpointer data,
  13.                                           GCompareDataFunc func,
  14.                                           gpointer user_data) G_GNUC_WARN_UNUSED_RESULT;
  15. GSList* g_slist_insert_before (GSList *slist,
  16.                                           GSList *sibling,
  17.                                           gpointer data) G_GNUC_WARN_UNUSED_RESULT;
  18. GSList* g_slist_concat (GSList *list1,
  19.                                           GSList *list2) G_GNUC_WARN_UNUSED_RESULT;
  20. GSList* g_slist_remove (GSList *list,
  21.                                           gconstpointer data) G_GNUC_WARN_UNUSED_RESULT;
  22. GSList* g_slist_remove_all (GSList *list,
  23.                                           gconstpointer data) G_GNUC_WARN_UNUSED_RESULT;
  24. GSList* g_slist_remove_link (GSList *list,
  25.                                           GSList *link_) G_GNUC_WARN_UNUSED_RESULT;
  26. GSList* g_slist_delete_link (GSList *list,
  27.                                           GSList *link_) G_GNUC_WARN_UNUSED_RESULT;
  28. GSList* g_slist_reverse (GSList *list) G_GNUC_WARN_UNUSED_RESULT;
  29. GSList* g_slist_copy (GSList *list) G_GNUC_WARN_UNUSED_RESULT;
  30. GSList* g_slist_nth (GSList *list,
  31.                                           guint n);
  32. GSList* g_slist_find (GSList *list,
  33.                                           gconstpointer data);
  34. GSList* g_slist_find_custom (GSList *list,
  35.                                           gconstpointer data,
  36.                                           GCompareFunc func);
  37. gint g_slist_position (GSList *list,
  38.                                           GSList *llink);
  39. gint g_slist_index (GSList *list,
  40.                                           gconstpointer data);
  41. GSList* g_slist_last (GSList *list);
  42. guint g_slist_length (GSList *list);
  43. void g_slist_foreach (GSList *list,
  44.                                           GFunc func,
  45.                                           gpointer user_data);
  46. GSList* g_slist_sort (GSList *list,
  47.                                           GCompareFunc compare_func) G_GNUC_WARN_UNUSED_RESULT;
  48. GSList* g_slist_sort_with_data (GSList *list,
  49.                                           GCompareDataFunc compare_func,
  50.                                           gpointer user_data) G_GNUC_WARN_UNUSED_RESULT;
  51. gpointer g_slist_nth_data (GSList *list,
  52.                                           guint n);
3：SList 实例

  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <time.h>
  4. #include <glib.h>
  5. #include <glib/gprintf.h>

  7. /*
  8.  * g_slist_append
  9.  * g_slist_prepend
  10.  * g_slist_reverse
  11.  */
  12. static void
  13. test_slist_1(void)
  14. {
  15.     GSList *slist = NULL;
  16.     GSList *st;
  17.     gint nums[10] = {0,1,2,3,4,5,6,7,8,9};
  18.     gint i;

  20.     for (i = 0; i < 10; i++)
  21. // GSList* g_slist_append(GSList *list, gpointer data);
  22.         slist = g_slist_append(slist, &nums[i]);
  23.     
  24.     g_printf("The result should be: 0,1,2,3,4,5,6,7,8,9\n");
  25.     g_printf("Begin:\n");
  26.     for (i = 0; i < 10; i++) {
  27.         st = g_slist_nth(slist, i);
  28.         g_printf("%d,", *(gint*)st->data);
  29.     }
  30.     g_printf("\nDone\n");

  32. // GSList* g_slist_reverse(GSList *list);
  33.     slist = g_slist_reverse(slist);

  35.     g_printf("The result should be: 9,8,7,6,5,4,3,2,1,0\n");
  36.     g_printf("Begin:\n");
  37.     for (i = 0; i < 10; i++) {
  38.         st = g_slist_nth(slist, i);
  39.         g_printf("%d,", *(gint*)st->data);
  40.     }
  41.     g_printf("\nDone\n");

  43.     for (i = 0; i < 10; i++)
  44. // GSList* g_slist_prepend(GSList *list, gpointer data);
  45.         slist = g_slist_prepend(slist, &nums[i]);

  47.     g_printf("The result should be: 9,8,7,6,5,4,3,2,1,0,9,8,7,6,5,4,3,2,1,0\n");
  48.     g_printf("Begin:\n");
  49.     for (i = 0; i < 20; i++) {
  50.         st = g_slist_nth(slist, i);
  51.         g_printf("%d,", *(gint*)st->data);
  52.     }
  53.     g_printf("\nDone\n");

  55.     g_slist_free(slist);
  56. }

  58. /*
  59.  * g_slist_insert_before
  60.  * g_slist_insert
  61.  * g_slist_nth
  62.  * g_slist_copy
  63.  */
  64. static void
  65. test_slist_2(void)
  66. {
  67.     GSList *slist = NULL;
  68.     GSList *st;
  69.     GSList *st2;
  70.     gint nums[10] = {0,1,2,3,4,5,6,7,8,9};
  71.     gint i;
  72. // GSList* g_slist_insert_before(GSList *slist, GSList *sibling, gpointer data);
  73.     slist = g_slist_insert_before(NULL, NULL, &nums[1]);

  75. // GSList* g_slist_insert(GSList *list, gpointer data, gint position);
  76.     slist = g_slist_insert(slist, &nums[3], 1);
  77.     slist = g_slist_insert(slist, &nums[4], -1);
  78.     slist = g_slist_insert(slist, &nums[0], 0);
  79.     slist = g_slist_insert(slist, &nums[5], 100);
  80.     slist = g_slist_insert_before(slist, NULL, &nums[6]);
  81.     slist = g_slist_insert_before(slist, slist->next->next, &nums[2]);

  83.     slist = g_slist_insert(slist, &nums[9], 7);
  84.     slist = g_slist_insert(slist, &nums[8], 7);
  85.     slist = g_slist_insert(slist, &nums[7], 7);

  87.     g_printf("The result should be: 0,1,2,3,4,5,6,7,8,9\n");
  88.     g_printf("Begin:\n");
  89.     for (i = 0; i < 10; i++) {
  90. // GSList* g_slist_nth(GSList *list, guint n);
  91.         st = g_slist_nth(slist, i);
  92.         g_printf("%d,", *(gint*)st->data);
  93.     }
  94.     g_printf("\nDone\n");

  96. // GSList* g_slist_copy(GSList *list);
  97.     st = g_slist_copy(slist);
  98.     g_printf("The result should be: 0,1,2,3,4,5,6,7,8,9\n");
  99.     g_printf("Begin:\n");
  100.     for (i = 0; i < 10; i++) {
  101.         st2 = g_slist_nth(st, i);
  102.         g_printf("%d,", *(gint*)st2->data);
  103.     }
  104.     g_printf("\nDone\n");

  106.     g_slist_free(st);
  107.     g_slist_free(slist);
  108. }

  110. /*
  111.  * g_slist_lenth
  112.  * g_slist_remove
  113.  * g_slist_remove_all
  114.  * g_slist_last
  115.  * g_slist_next
  116.  */
  117. static void
  118. test_slist_3(void)
  119. {
  120.     GSList *slist = NULL;
  121.     GSList *st;
  122.     gint nums[10] = {0,1,2,3,4,5,6,7,8,9};
  123.     gint i;

  125.     for (i = 0; i < 10; i++) {
  126.         slist = g_slist_append(slist, &nums[i]);
  127.         slist = g_slist_append(slist, &nums[i]);
  128.     }
  129. // guint g_slist_lenth(GSList *list);
  130.     g_printf("The length should be 20.\nResult:%d\n", g_slist_length(slist));

  132.     for (i = 0; i < 10; i++)
  133. // GSList* g_slist_remove_all(GSList *list, gconstpointer data);
  134.         slist = g_slist_remove_all(slist, &nums[i]);
  135.     g_printf("The length should be 0.\nResult:%d\n", g_slist_length(slist));

  137.     for (i = 0; i < 10; i++) {
  138.         slist = g_slist_append(slist, &nums[i]);
  139.         slist = g_slist_append(slist, &nums[i]);
  140.     }
  141.     for (i = 0; i < 10; i++)
  142. // GSList* g_slist_remove(GSList *list, gconstpointer data);
  143.         slist = g_slist_remove(slist, &nums[i]);
  144.     g_printf("The length should be 10.\nResult:%d\n", g_slist_length(slist));
  145.     g_printf("The first should be 0.\nResult:%d\n", *(gint*)slist->data);
  146. // GSList* g_slist_last(GSList *list);
  147.     g_printf("The last should be 9.\nResult:%d\n", *(gint*)g_slist_last(slist)->data);

  149.     g_printf("The first:");
  150.     g_printf("%d\n", *(gint*)slist->data);    
  151.     st = slist;
  152.     for (i = 0; i < 9; i++) {
  153. // #define g_slist_next (slist)
  154.         st = g_slist_next(st);    
  155.         g_printf("The next:%d\n", *(gint*)st->data);
  156.     }

  158.     g_slist_free(slist);
  159. }

  161. static gint
  162. find_num(gconstpointer l, gconstpointer data)
  163. {
  164.     return *(gint*)l - GPOINTER_TO_INT(data);
  165. }

  167. /*
  168.  * g_slist_index
  169.  * g_slist_position
  170.  * g_slist_find_custom
  171.  */
  172. static void
  173. test_slist_4(void)
  174. {
  175.     GSList *slist = NULL;
  176.     GSList *st;
  177.     gint nums[10] = {0,1,2,3,4,5,6,7,8,9};
  178.     gint i;

  180.     for (i = 0; i < 10; i++) {
  181.         slist = g_slist_append(slist, &nums[i]);
  182.     }
  183. // gint g_slist_index(GSList *list, gconstpointer data);
  184.     g_printf("The index should be -1.\nResult:%d\n", g_slist_index(slist, NULL));
  185. // gint g_slist_position(GSList *list, GSList *llink);
  186.     g_printf("The position should be -1.\nResult:%d\n", g_slist_position(slist, NULL));

  188.     for (i = 0; i < 10; i++) {
  189. // GSList* g_slist_find_custom(GSList *list, gconstpointer data, GCompareFunc func);
  190.         st = g_slist_find_custom(slist, GINT_TO_POINTER(i), find_num);
  191.         g_printf("The position should be %d.\nResult:%d\n", i, g_slist_position(slist, st));
  192.     }

  194.     g_slist_free(slist);
  195. }

  197. #define SIZE        10
  198. #define NUMBER_MAX    99

  200. static guint32 array[SIZE];

  202. static gint
  203. sort(gconstpointer p1, gconstpointer p2)
  204. {
  205.     gint32 a, b;
  206.     a = GPOINTER_TO_INT (p1);
  207.     b = GPOINTER_TO_INT (p2);

  209.     return (a > b ? +1 : a == b ? 0 : -1);
  210. }

  212. static gint
  213. sort_r(gconstpointer p1, gconstpointer p2)
  214. {
  215.     gint32 a, b;
  216.     a = GPOINTER_TO_INT (p1);
  217.     b = GPOINTER_TO_INT (p2);

  219.     return (a < b ? +1 : a == b ? 0 : -1);
  220. }

  222. /*
  223.  * g_slist_sort
  224.  * g_slist_sort_with_data
  225.  * g_slist_nth_data
  226.  */
  227. static void
  228. test_slist_5(void)
  229. {
  230.     GSList *slist = NULL;
  231.     gint i;

  233.     for (i = 0; i < SIZE; i++)
  234.         slist = g_slist_append(slist, GINT_TO_POINTER(array[i]));

  236. // GSList* g_slist_sort(GSList *list, GCompareFunc compare);
  237.     slist = g_slist_sort(slist, sort);

  239.     g_printf("The result should be sorted.\nResult:");
  240.     for (i = 0; i < SIZE; i++) {
  241. // gpointer g_slist_nth_data(GSList *list, guint n);
  242.         gpointer p = g_slist_nth_data(slist, i);
  243.         g_printf("%d,", GPOINTER_TO_INT(p));
  244.     }
  245.     g_printf("\n");

  247. // GSList* g_slist_sort_with_data(GSList *list, GCompareDataFunc compare_func, gpinter user_data);
  248.     slist = g_slist_sort_with_data(slist, (GCompareDataFunc)sort_r, NULL);
  249.     g_printf("The result should be sorted[reversed].\nResult:");
  250.     for (i = 0; i < SIZE; i++) {
  251.         gpointer p = g_slist_nth_data(slist, i);
  252.         g_printf("%d,", GPOINTER_TO_INT(p));
  253.     }
  254.     g_printf("\n");

  256.     g_slist_free(slist);
  257. }

  259. static void
  260. print(gpointer p1, gpointer p2)
  261. {
  262.     g_printf("%d,", GPOINTER_TO_INT(p1));
  263. }

  265. /*
  266.  * g_slist_insert_sorted
  267.  * g_slist_insert_sorted_with_data
  268.  * g_slist_concat
  269.  * g_slist_foreach
  270.  */
  271. static void
  272. test_slist_6(void)
  273. {
  274.     GSList *slist = NULL;
  275.     GSList *st = NULL;
  276.     GSList *sc = NULL;
  277.     gint i;

  279.     for (i = 0; i < SIZE; i++) {
  280. // GSList* g_slist_insert_sorted(GSList *list, gpointer data, GCompareFunc func);
  281.         slist = g_slist_insert_sorted(slist, GINT_TO_POINTER(array[i]), sort);
  282. // GSList* g_slist_insert_sorted_with_data(GSList *list, gpointer data,
  283. //                            GCompareDataFunc func,
  284. //                            gpinter user_data);
  285.         st = g_slist_insert_sorted_with_data(st, GINT_TO_POINTER(array[i]),
  286.                             (GCompareDataFunc)sort_r,
  287.                             NULL);
  288.     }
  289.     
  290.     g_printf("The result should be sorted.\nResult:");
  291.     for (i = 0; i < SIZE; i++) {
  292.         gpointer p = g_slist_nth_data(slist, i);
  293.         g_printf("%d,", GPOINTER_TO_INT(p));
  294.     }
  295.     g_printf("\n");

  297.     g_printf("The result should be sorted[reversed].\nResult:");
  298.     for (i = 0; i < SIZE; i++) {
  299.         gpointer p = g_slist_nth_data(st, i);
  300.         g_printf("%d,", GPOINTER_TO_INT(p));
  301.     }
  302.     g_printf("\n");

  304. // GSList* g_slist_concat(GSList *list1, *list2);
  305.     sc = g_slist_concat(slist, st);

  307.     g_printf("The result should be concated.\nResult:");
  308. // void g_slist_foreach(GSList *list, GFunc func, gpointer user_data);
  309.     g_slist_foreach(sc, (GFunc)print, NULL);
  310.     g_printf("\n");
  311.     
  312.     g_slist_free(slist);
  313.     g_slist_free(st);

  315. }

  317. int
  318. main(void)
  319. {
  320.     printf("BEGIN:\n************************************************************\n");
  321.     printf("\n------------------------------------------------------------\ntest_slist_1:\n");
  322.     printf("------------------------------------------------------------\n");
  323.     test_slist_1();
  324.     printf("\n------------------------------------------------------------\ntest_slist_2:\n");
  325.     printf("------------------------------------------------------------\n");
  326.     test_slist_2();
  327.     printf("\n------------------------------------------------------------\ntest_slist_3:\n");
  328.     printf("------------------------------------------------------------\n");
  329.     test_slist_3();
  330.     printf("\n------------------------------------------------------------\ntest_slist_4:\n");
  331.     printf("------------------------------------------------------------\n");
  332.     test_slist_4();

  334.     int i;
  335.     srand((unsigned)time(0));
  336.     printf("The init array is:\n");
  337.     for (i = 0; i < SIZE; i++) {
  338.         array[i] = rand() % (NUMBER_MAX+1);
  339.         printf("%d,", array[i]);
  340.     }
  341.     printf("\n");

  343.     printf("\n------------------------------------------------------------\ntest_slist_5:\n");
  344.     printf("------------------------------------------------------------\n");
  345.     test_slist_5();

  347.     printf("\n------------------------------------------------------------\ntest_slist_6:\n");
  348.     printf("------------------------------------------------------------\n");
  349.     test_slist_6();

  351.     printf("\n************************************************************\nDONE\n");

  353.     return 0;
  354. }

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