Files
gear-lib/libvector/libvector.h
2019-06-08 01:34:31 +08:00

108 lines
3.3 KiB
C

/******************************************************************************
* Copyright (C) 2014-2020 Zhifeng Gong <gozfree@163.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
******************************************************************************/
#ifndef LIBVECTOR_H
#define LIBVECTOR_H
#include <stdint.h>
#if defined (__linux__) || defined (__CYGWIN__)
#include <unistd.h>
#include <sys/uio.h>
#elif defined (__WIN32__) || defined (WIN32) || defined (_MSC_VER)
#include "libposix4win.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef void *vector_iter;
typedef struct vector {
size_t size; //number of element
size_t max_size; //max number of element
size_t capacity; //size of allocated storage capacity
size_t type_size;
size_t tmp_cursor;
struct iovec buf;
vector_iter iterator;
} vector_t;
/*
* vector_assign
* vector_create
* vector_destroy
* vector_empty
* vector_push_back
* vector_pop_back
* vector_back
* vector_begin
* vector_end
* vector_size
* vector_iter_valuep
* vector_at
* vector_next
* vector_prev
*/
/*
* inner apis
*/
struct vector *_vector_create(size_t size);
void _vector_push_back(struct vector *v, void *e, size_t type_size);
vector_iter vector_begin(struct vector *v);
vector_iter vector_end(struct vector *v);
vector_iter vector_last(struct vector *v);//last=end-1
vector_iter vector_next(struct vector *v);
vector_iter vector_prev(struct vector *v);
void *_vector_iter_value(struct vector *v, vector_iter iter);
void *_vector_at(struct vector *v, int pos);
#if defined (__linux__) || defined (__CYGWIN__)
#define vector_create(type_t) \
({type_t t;struct vector *v = _vector_create(sizeof(t)); v;})
#endif
void vector_destroy(struct vector *v);
int vector_empty(struct vector *v);
#define vector_push_back(v, e) _vector_push_back(v, (void *)&e, sizeof(e))
void vector_pop_back(struct vector *v);
#if defined (__linux__) || defined (__CYGWIN__)
#define vector_back(v, type_t) \
({ \
type_t tmp; \
memcpy(&tmp, vector_last(v), v->type_size); \
&tmp; \
})
#endif
#define vector_iter_valuep(vector, iter, type_t) \
(type_t *)_vector_iter_value(vector, iter)
#define vector_at(v, pos, type_t) \
(type_t *)_vector_at(v, pos)
#ifdef __cplusplus
}
#endif
#endif