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Copy pathdynamic_array.h
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192 lines (175 loc) · 12.3 KB
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#pragma once
#include "hashmap.h"
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
#define dynamic_array(type) \
struct { \
size_t size; \
size_t allocated_length; \
size_t length; \
size_t item_size; \
void (*value_free_function)(type); \
pthread_mutex_t mutex; \
type *buffer; \
}
#define dynamic_array_init(array_ptr) \
({ \
dynamic_array(typeof((*array_ptr)->buffer[0])) *__dynamic_array = \
malloc(sizeof(*__dynamic_array)); \
__dynamic_array->item_size = sizeof(typeof((*array_ptr)->buffer[0])); \
pthread_mutex_init(&__dynamic_array->mutex, NULL); \
__dynamic_array->allocated_length = 10; \
__dynamic_array->length = 0; \
__dynamic_array->value_free_function = NULL; \
__dynamic_array->size = \
__dynamic_array->item_size * __dynamic_array->allocated_length; \
__dynamic_array->buffer = malloc(__dynamic_array->size); \
memset(__dynamic_array->buffer, 0, __dynamic_array->size); \
*array_ptr = (void *)__dynamic_array; \
})
#define dynamic_array_init_with_size(array_ptr, array_size) \
({ \
dynamic_array(typeof((*array_ptr)->buffer[0])) *__dynamic_array = \
malloc(sizeof(*__dynamic_array)); \
__dynamic_array->item_size = sizeof(typeof((*array_ptr)->buffer[0])); \
pthread_mutex_init(&__dynamic_array->mutex, NULL); \
__dynamic_array->allocated_length = array_size; \
__dynamic_array->length = 0; \
__dynamic_array->value_free_function = NULL; \
__dynamic_array->size = \
__dynamic_array->item_size * __dynamic_array->allocated_length; \
__dynamic_array->buffer = malloc(__dynamic_array->size); \
memset(__dynamic_array->buffer, 0, __dynamic_array->size); \
*array_ptr = (void *)__dynamic_array; \
})
#define free_dynamic_array(array) \
({ \
if (array->value_free_function) { \
void (*value_free_function)(typeof(array->buffer[0])) = \
array->value_free_function; \
dynamic_array_for_each(array, value) value_free_function(value); \
} \
pthread_mutex_destroy(&array->mutex); \
free(array->buffer); \
free(array); \
})
#define dynamic_array_resize_no_mutex(array, new_allocated_length) \
({ \
array->buffer = \
realloc(array->buffer, new_allocated_length * array->item_size); \
array->allocated_length = new_allocated_length; \
})
#define dynamic_array_resize(array, new_length) \
({ \
pthread_mutex_lock(&array->mutex); \
array->buffer = realloc(array->buffer, new_length * array->item_size); \
array->allocated_length = new_length; \
array->length = new_length; \
pthread_mutex_unlock(&array->mutex); \
})
#define dynamic_array_push(array, value) \
({ \
pthread_mutex_lock(&array->mutex); \
if (array->length == array->allocated_length) \
dynamic_array_resize_no_mutex(array, array->length * 2); \
array->buffer[array->length] = value; \
array->length++; \
pthread_mutex_unlock(&array->mutex); \
})
#define dynamic_array_push_in_order(array, value, is_less_than_cmp_fun) \
({ \
pthread_mutex_lock(&array->mutex); \
if (array->length == array->allocated_length) { \
dynamic_array_resize_no_mutex(array, array->length * 2); \
} \
int64_t i; \
for (i = array->length - 1; \
(i >= 0 && is_less_than_cmp_fun(array->buffer[i], value)); --i) { \
array->buffer[i + 1] = array->buffer[i]; \
} \
array->buffer[i + 1] = value; \
array->length++; \
pthread_mutex_unlock(&(array)->mutex); \
})
#define dynamic_array_pop(array, index) \
({ \
size_t _index = ((index) == -1) ? (array)->length - 1 : (index); \
pthread_mutex_lock(&(array)->mutex); \
typeof((array)->buffer[0]) _result = (array)->buffer[_index]; \
for (size_t i = _index; i < (array)->length - 1; ++i) { \
(array)->buffer[i] = (array)->buffer[i + 1]; \
} \
(array)->length--; \
pthread_mutex_unlock(&(array)->mutex); \
_result; \
})
#define dynamic_array_pop_no_mutex(array, index) \
({ \
size_t _index = ((index) == -1) ? (array)->length - 1 : (index); \
typeof((array)->buffer[0]) _result = (array)->buffer[_index]; \
(array)->buffer[_index] = (typeof((array)->buffer[0]))0; \
if ((array)->length == 1 && index == 0) { \
(array)->buffer[0] = (typeof((array)->buffer[0]))0; \
} \
for (size_t i = _index; i < (array)->length - 1; ++i) { \
(array)->buffer[i] = (array)->buffer[i + 1]; \
} \
(array)->length--; \
_result; \
})
#define dynamic_array_get(array, index) \
({ \
size_t _index = ((index) == -1) ? (array)->length - 1 : (index); \
pthread_mutex_lock(&array->mutex); \
typeof((array)->buffer[0]) _result = array->buffer[_index]; \
pthread_mutex_unlock(&array->mutex); \
_result; \
})
#define dynamic_array_for_each(array, value) \
typeof(array->buffer[0]) value; \
pthread_mutex_t *__array_mutex = &(array)->mutex; \
for (size_t __i = 0, __ph = pthread_mutex_lock(__array_mutex); \
__i < (array)->length && (value = (array)->buffer[__i], 1); \
__i++, (__i == (array)->length ? pthread_mutex_unlock(__array_mutex) \
: (void)0))
#define dynamic_array_for_each_index(array, value, idx) \
typeof(array->buffer[0]) value; \
pthread_mutex_t *__array_mutex = &(array)->mutex; \
for (size_t __i = 0, __ph = pthread_mutex_lock(__array_mutex), idx = __i; \
__i < (array)->length && (idx = __i, 1) && \
(value = (array)->buffer[__i], 1); \
__i++, (__i == (array)->length ? pthread_mutex_unlock(__array_mutex) \
: (void)0))
#define dynamic_array_for_each_break \
pthread_mutex_unlock(__array_mutex); \
break;
#define dynamic_array_for_each_index_no_mutex(array, value, idx) \
typeof(array->buffer[0]) value; \
for (size_t __i = 0, idx = __i; __i < (array)->length && (idx = __i, 1) && \
(value = (array)->buffer[__i], 1); \
__i++)
#define dynamic_array_index(array, value) \
({ \
dynamic_array_for_each_index(array, v, i) { \
if (v == value) \
i; \
} \
-1; \
})
#define dynamic_array_index_no_mutex(array, value) \
({ \
dynamic_array_for_each_index_no_mutex(array, v, index) { \
if (v == value) \
index; \
} \
-1; \
})
#define dynamic_array_find_and_remove(array, value) \
({ \
pthread_mutex_lock(&array->mutex); \
ssize_t index = dynamic_array_index_no_mutex(array, value); \
if (index != -1) \
dynamic_array_pop_no_mutex(array, index); \
pthread_mutex_unlock(&array->mutex); \
})