diff options
Diffstat (limited to 'lib/includes/hicn/util/array.h')
| -rw-r--r-- | lib/includes/hicn/util/array.h | 323 |
1 files changed, 156 insertions, 167 deletions
diff --git a/lib/includes/hicn/util/array.h b/lib/includes/hicn/util/array.h index 56cfcad8b..f56c13140 100644 --- a/lib/includes/hicn/util/array.h +++ b/lib/includes/hicn/util/array.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * Copyright (c) 2021 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: @@ -23,178 +23,167 @@ #include <assert.h> #include <hicn/util/log.h> -#include <math.h> // log2 +#include <math.h> // log2 #include <string.h> // memmove #define BUFSIZE 1024 -typedef int(*cmp_t)(const void * x, const void * y); - -#define TYPEDEF_ARRAY_H(NAME, T) \ - \ -typedef struct { \ - size_t size; \ - size_t max_size_log; \ - T * elements; \ -} NAME ## _t; \ - \ -int NAME ## _initialize(NAME ## _t * array); \ - \ -int NAME ## _finalize(NAME ## _t * array); \ - \ -NAME ## _t * NAME ## _create(); \ - \ -void NAME ## _free(NAME ## _t * array); \ - \ -int NAME ## _add(NAME ## _t * array, T element); \ - \ -int NAME ## _remove_index(NAME ## _t * array, int index, T * element); \ - \ -int NAME ## _remove(NAME ## _t * array, const T search, T * element); \ - \ -int NAME ## _get(const NAME ## _t * array, const T search, T * element); \ - \ -int NAME ## _get_index(const NAME ## _t * array, int index, T * element); \ - \ -int NAME ## _get_elements(const NAME ## _t * array, T ** elements); \ - \ -size_t NAME ## _len(const NAME ## _t * array); - +#define TYPEDEF_ARRAY_H(NAME, T) \ + \ + typedef struct \ + { \ + size_t size; \ + size_t max_size_log; \ + T *elements; \ + } NAME##_t; \ + \ + int NAME##_initialize (NAME##_t *array); \ + \ + int NAME##_finalize (NAME##_t *array); \ + \ + NAME##_t *NAME##_create (); \ + \ + void NAME##_free (NAME##_t *array); \ + \ + int NAME##_add (NAME##_t *array, T element); \ + \ + int NAME##_remove_index (NAME##_t *array, int index, T *element); \ + \ + int NAME##_remove (NAME##_t *array, const T search, T *element); \ + \ + int NAME##_get (const NAME##_t *array, const T search, T *element); \ + \ + int NAME##_get_index (const NAME##_t *array, int index, T *element); \ + \ + int NAME##_get_elements (const NAME##_t *array, T **elements); \ + \ + size_t NAME##_len (const NAME##_t *array); #define ARRAY_MAX_SIZE_LOG_INIT 0 -#define TYPEDEF_ARRAY(NAME, T, CMP, SNPRINTF) \ -int \ -NAME ## _initialize(NAME ## _t * array) \ -{ \ - array->max_size_log = ARRAY_MAX_SIZE_LOG_INIT; \ - array->size = 0; \ - if (array->max_size_log == 0) { \ - array->elements = NULL; \ - return 0; \ - } \ - array->elements = malloc((1 << array->max_size_log) * sizeof(T)); \ - if (!array->elements) \ - return -1; \ - return 0; \ -} \ - \ -int \ -NAME ## _finalize(NAME ## _t * array) \ -{ \ - for (unsigned i = 0; i < array->size; i++) { \ - NAME ## _remove_index(array, i, NULL); \ - } \ - return 0; \ -} \ - \ -NAME ## _t * \ -NAME ## _create() \ -{ \ - NAME ## _t * array = malloc(sizeof(NAME ## _t)); \ - if (!array) \ - goto ERR_MALLOC; \ - \ - if (NAME ## _initialize(array) < 0) \ - goto ERR_INITIALIZE; \ - \ - return array; \ - \ -ERR_INITIALIZE: \ - free(array); \ -ERR_MALLOC: \ - return NULL; \ -} \ - \ -void \ -NAME ## _free(NAME ## _t * array) \ -{ \ - NAME ## _finalize(array); \ - free(array->elements); \ - free(array); \ -} \ - \ -int \ -NAME ## _add(NAME ## _t * array, T element) \ -{ \ - /* Ensure sufficient space for next addition */ \ - size_t new_size_log = (array->size > 0) ? log2(array->size)+1 : 1; \ - if (new_size_log > array->max_size_log) { \ - array->max_size_log = new_size_log; \ - array->elements = realloc(array->elements, \ - (1 << new_size_log) * sizeof(T)); \ - } \ - \ - if (!array->elements) \ - goto ERR_REALLOC; \ - \ - array->elements[array->size++] = element; \ - return 0; \ - \ -ERR_REALLOC: \ - return -1; \ -} \ - \ -int \ -NAME ## _remove_index(NAME ## _t * array, int index, T * element) \ -{ \ - if (index > NAME ## _len(array)) \ - return -1; \ - if (element) \ - *element = array->elements[index]; \ - if (index < array->size) \ - memmove(array->elements + index, array->elements + index + 1, \ - array->size - index); \ - array->size--; \ - return 0; \ -} \ - \ -int \ -NAME ## _remove(NAME ## _t * array, const T search, T * element) \ -{ \ - for (unsigned i = 0; i < array->size; i++) { \ - if (CMP(search, array->elements[i]) == 0) \ - return facelet_array_remove_index(array, i, element); \ - } \ - /* Not found */ \ - if (element) \ - *element = NULL; \ - return 0; \ -} \ - \ -int \ -NAME ## _get(const NAME ## _t * array, const T search, T * element) \ -{ \ - assert(element); \ - for (unsigned i = 0; i < array->size; i++) \ - if (CMP(search, array->elements[i]) == 0) { \ - *element = array->elements[i]; \ - return 0; \ - } \ - /* Not found */ \ - *element = NULL; \ - return 0; \ -} \ - \ -int \ -NAME ## _get_index(const NAME ## _t * array, int index, T * element) \ -{ \ - assert(element); \ - *element = array->elements[index]; \ - return 0; \ -} \ - \ -int \ -NAME ## _get_elements(const NAME ## _t * array, T ** elements) \ -{ \ - *elements = array->elements; \ - return 0; \ -} \ - \ -size_t \ -NAME ## _len(const NAME ## _t * array) \ -{ \ - return array->size; \ -} +#define TYPEDEF_ARRAY(NAME, T, CMP, SNPRINTF) \ + int NAME##_initialize (NAME##_t *array) \ + { \ + array->max_size_log = ARRAY_MAX_SIZE_LOG_INIT; \ + array->size = 0; \ + if (array->max_size_log == 0) \ + { \ + array->elements = NULL; \ + return 0; \ + } \ + array->elements = malloc ((1 << array->max_size_log) * sizeof (T)); \ + if (!array->elements) \ + return -1; \ + return 0; \ + } \ + \ + int NAME##_finalize (NAME##_t *array) \ + { \ + for (unsigned i = 0; i < array->size; i++) \ + { \ + NAME##_remove_index (array, i, NULL); \ + } \ + return 0; \ + } \ + \ + NAME##_t *NAME##_create () \ + { \ + NAME##_t *array = malloc (sizeof (NAME##_t)); \ + if (!array) \ + goto ERR_MALLOC; \ + \ + if (NAME##_initialize (array) < 0) \ + goto ERR_INITIALIZE; \ + \ + return array; \ + \ + ERR_INITIALIZE: \ + free (array); \ + ERR_MALLOC: \ + return NULL; \ + } \ + \ + void NAME##_free (NAME##_t *array) \ + { \ + NAME##_finalize (array); \ + free (array->elements); \ + free (array); \ + } \ + \ + int NAME##_add (NAME##_t *array, T element) \ + { \ + /* Ensure sufficient space for next addition */ \ + size_t new_size_log = (array->size > 0) ? log2 (array->size) + 1 : 1; \ + if (new_size_log > array->max_size_log) \ + { \ + array->max_size_log = new_size_log; \ + array->elements = \ + realloc (array->elements, (1 << new_size_log) * sizeof (T)); \ + } \ + \ + if (!array->elements) \ + goto ERR_REALLOC; \ + \ + array->elements[array->size++] = element; \ + return 0; \ + \ + ERR_REALLOC: \ + return -1; \ + } \ + \ + int NAME##_remove_index (NAME##_t *array, int index, T *element) \ + { \ + if (index > NAME##_len (array)) \ + return -1; \ + if (element) \ + *element = array->elements[index]; \ + if (index < array->size) \ + memmove (array->elements + index, array->elements + index + 1, \ + array->size - index); \ + array->size--; \ + return 0; \ + } \ + \ + int NAME##_remove (NAME##_t *array, const T search, T *element) \ + { \ + for (unsigned i = 0; i < array->size; i++) \ + { \ + if (CMP (search, array->elements[i]) == 0) \ + return NAME##_remove_index (array, i, element); \ + } \ + /* Not found */ \ + if (element) \ + *element = NULL; \ + return 0; \ + } \ + \ + int NAME##_get (const NAME##_t *array, const T search, T *element) \ + { \ + assert (element); \ + for (unsigned i = 0; i < array->size; i++) \ + if (CMP (search, array->elements[i]) == 0) \ + { \ + *element = array->elements[i]; \ + return 0; \ + } \ + /* Not found */ \ + *element = NULL; \ + return 0; \ + } \ + \ + int NAME##_get_index (const NAME##_t *array, int index, T *element) \ + { \ + assert (element); \ + *element = array->elements[index]; \ + return 0; \ + } \ + \ + int NAME##_get_elements (const NAME##_t *array, T **elements) \ + { \ + *elements = array->elements; \ + return 0; \ + } \ + \ + size_t NAME##_len (const NAME##_t *array) { return array->size; } #endif /* UTIL_ARRAY_H */ |