qunique.h File Reference

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Functions

static size_t qunique (void *array, size_t elements, size_t width, int(*compare)(const void *, const void *))

static size_t qunique_arg (void *array, size_t elements, size_t width, int(*compare)(const void *, const void *, void *), void *arg)

Function Documentation

◆ qunique()

static size_t qunique ( void * array,

size_t elements,

size_t width,

int(*)(const void *, const void *) compare

)

inlinestatic

Definition at line 21 of file qunique.h.

23{

24 char *bytes = (char *) array;

25 size_t i,

26 j;

27

28 if (elements <= 1)

29 return elements;

30

31 for (i = 1, j = 0; i < elements; ++i)

32 {

33 if (compare(bytes + i * width, bytes + j * width) != 0 &&

34 ++j != i)

35 memcpy(bytes + j * width, bytes + i * width, width);

36 }

37

38 return j + 1;

39}

compare

static int compare(const void *arg1, const void *arg2)

Definition: geqo_pool.c:145

j

int j

Definition: isn.c:78

i

int i

Definition: isn.c:77

References compare(), i, and j.

Referenced by _bt_deadblocks(), aclmembers(), array_to_tsvector(), checkcondition_str(), generate_trgm(), generate_wildcard_trgm(), gtsvector_compress(), InitCatalogCache(), sort_snapshot(), TidListEval(), tsq_mcontains(), and tsvector_delete_by_indices().

◆ qunique_arg()

static size_t qunique_arg ( void * array,

size_t elements,

size_t width,

int(*)(const void *, const void *, void *) compare,

void * arg

)

inlinestatic

Definition at line 46 of file qunique.h.

49{

50 char *bytes = (char *) array;

51 size_t i,

52 j;

53

54 if (elements <= 1)

55 return elements;

56

57 for (i = 1, j = 0; i < elements; ++i)

58 {

59 if (compare(bytes + i * width, bytes + j * width, arg) != 0 &&

60 ++j != i)

61 memcpy(bytes + j * width, bytes + i * width, width);

62 }

63

64 return j + 1;

65}

arg

void * arg

Definition: pg_backup_utils.c:29

References arg, compare(), i, and j.

Referenced by _bt_sort_array_elements(), and _int_unique().