.\" .\" Copyright (c) 2009 - 2016 Natacha Porté .\" .\" Permission to use, copy, modify, and distribute this software for any .\" purpose with or without fee is hereby granted, provided that the above .\" copyright notice and this permission notice appear in all copies. .\" .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" .Dd September 12, 2016 .Dt SOLDOUT_ARRAY 3 .Os .Sh NAME .Nm soldout_array , .Nm arr_adjust , .Nm arr_free , .Nm arr_grow , .Nm arr_init , .Nm arr_insert , .Nm arr_item , .Nm arr_newitem , .Nm arr_remove , .Nm arr_sorted_find , .Nm arr_sorted_find_i , .Nm parr_adjust , .Nm parr_free , .Nm parr_grow , .Nm parr_init , .Nm parr_insert , .Nm parr_pop , .Nm parr_push , .Nm parr_remove , .Nm parr_sorted_find , .Nm parr_sorted_find_i , .Nm parr_top .Nd array handling functions for soldout .Sh SYNOPSIS .In array.h .Ft int .Fo (*array_cmp_fn) .Fa "void *key" .Fa "void *array_entry" .Fc .Ft int .Fo arr_adjust .Fa "struct array *arr" .Fc .Ft void .Fo arr_free .Fa "struct array *arr" .Fc .Ft int .Fo arr_grow .Fa "struct array *arr" .Fa "int sz" .Fc .Ft void .Fo arr_init .Fa "struct array *arr" .Fa "size_t unit" .Fc .Ft int .Fo arr_insert .Fa "struct array *arr" .Fa "int nb" .Fa "int n" .Fc .Ft "void *" .Fo arr_item .Fa "struct array *arr" .Fa "int no" .Fc .Ft int .Fo arr_newitem .Fa "struct array *arr" .Fc .Ft void .Fo arr_remove .Fa "struct array *arr" .Fa "int idx" .Fc .Ft "void *" .Fo arr_sorted_find .Fa "struct array *arr" .Fa "void *key" .Fa "array_cmp_fn cmp" .Fc .Ft int .Fo arr_sorted_find_i .Fa "struct array *arr" .Fa "void *key" .Fa "array_cmp_fn cmp" .Fc .Ft int .Fo parr_adjust .Fa "struct parray *arr" .Fc .Ft void .Fo parr_free .Fa "struct parray *arr" .Fc .Ft int .Fo parr_grow .Fa "struct parray *arr" .Fa "int sz" .Fc .Ft void .Fo parr_init .Fa "struct parray *arr" .Fc .Ft int .Fo parr_insert .Fa "struct parray *parr" .Fa "int nb" .Fa "int n" .Fc .Ft "void *" .Fo parr_pop .Fa "struct parray *arr" .Fc .Ft int .Fo parr_push .Fa "struct parray *arr" .Fa "void *i" .Fc .Ft "void *" .Fo parr_remove .Fa "struct parray *arr" .Fa "int idx" .Fc .Ft "void *" .Fo parr_sorted_find .Fa "struct parray *arr" .Fa "void *key" .Fa "array_cmp_fn cmp" .Fc .Ft int .Fo parr_sorted_find_i .Fa "struct parray *arr" .Fa "void *key" .Fa "array_cmp_fn cmp" .Fc .Ft "void *" .Fo parr_top .Fa "struct parray *arr" .Fc .Sh DESCRIPTION .Ss Types .Bl -ohang .It Vt "struct array" generic linear array. Has this form: .Bd -literal -offset indent struct array { void *base; int size; int asize; size_t unit; }; .Ed .It Vt "struct parray" array of pointers. Has this form: .Bd -literal -offset indent struct parray { void **item; int size; int asize; }; .Ed .It Vt array_cmp_fn comparison function for sorted arrays. .El .Ss Functions .Bl -ohang .It Fn arr_adjust shrink the allocated memory to fit exactly the needs. .It Fn arr_free free the structure contents .Pq but NOT the struct itself . .It Fn arr_grow increase the array size to fit the given number of elements. .It Fn arr_init initialize the contents of the struct. .It Fn arr_insert insert .Fa nb elements before the .Fa n one. .It Fn arr_item return a pointer to the .Fa n element. .It Fn arr_newitem return the index of a new element appended to the array .Fa arr . .It Fn arr_remove remove the n-th elements of the array. .It Fn arr_sorted_find O(log n) search in a sorted array, returning entry. .It Fn arr_sorted_find_i O(log n) search in a sorted array, returning index of the smallest element larger than the key. .It Fn parr_adjust shrink the allocated memory to fit exactly the needs. .It Fn parr_free free the structure contents .Pq but NOT the struct itself . .It Fn parr_grow increase the array size to fit the given number of elements. .It Fn parr_init initialize the contents of the struct. .It Fn parr_insert insert .Fa nb elements before the .Fa n one. .It Fn parr_pop pop the last item of the array and return it. .It Fn parr_push push a pointer at the end of the array .Pq = append . .It Fn parr_remove remove the .Fa idx element of the array and return it. .It Fn parr_sorted_find O(log n) search in a sorted array, returning entry. .It Fn parr_sorted_find_i O(log n) search in a sorted array, returning index of the smallest element larger than the key. .It Fn parr_top return the top the stack .Pq i.e. the last element of the array . .El .Sh RETURN VALUES The .Fn arr_adjust , .Fn arr_grow , .Fn arr_insert , .Fn parr_adjust , .Fn parr_grow , .Fn parr_insert and .Fn parr_push functions return on success 1; on error - 0. .Pp The .Fn arr_item , .Fn arr_sorted_find , .Fn parr_pop , .Fn parr_remove , .Fn parr_sorted_find and .Fn parr_top functions return a pointer to the element on success; on error - .Dv NULL . .Pp The .Fn arr_newitem function returns the index on success; on error -1. .Pp The .Fn arr_sorted_find_i and .Fn parr_sorted_find_i functions return an index. .Sh SEE ALSO .Xr soldout_markdown 3 .Sh AUTHORS .An -nosplit The .Nm soldout library was written by .An Natasha Qo Kerensikova Qc Porte Aq Mt natacha@instinctive.eu . Manual page was originally written by .An Massimo Manghi Aq Mt mxmanghi@apache.org , and rewritten to mdoc format by .An Svyatoslav Mishyn Aq Mt juef@openmailbox.org .