impl_flat_double_ended_queue.h

 
#ifndef CCC_IMPL_FLAT_DOUBLE_ENDED_QUEUE_H
#define CCC_IMPL_FLAT_DOUBLE_ENDED_QUEUE_H
 
#include <stddef.h>
#include "../buffer.h"
 
/* NOLINTBEGIN(readability-identifier-naming) */
 
struct ccc_fdeq
{
    ccc_buffer buf;
    size_t front;
};
 
/*=======================    Private Interface   ============================*/
void *ccc_impl_fdeq_alloc_front(struct ccc_fdeq *);
void *ccc_impl_fdeq_alloc_back(struct ccc_fdeq *);
 
/*=======================  Macro Implementations   ==========================*/
 
#define ccc_impl_fdeq_init(impl_mem_ptr, impl_alloc_fn, impl_aux_data,         \
                           impl_capacity, optional_size...)                    \
    {                                                                          \
        .buf = ccc_buf_init(impl_mem_ptr, impl_alloc_fn, impl_aux_data,        \
                            impl_capacity, optional_size),                     \
        .front = 0,                                                            \
    }
 
#define ccc_impl_fdeq_emplace_back(fdeq_ptr, value...)                         \
    (__extension__({                                                           \
        __auto_type impl_fdeq_ptr = (fdeq_ptr);                                \
        void *const impl_fdeq_emplace_ret = NULL;                              \
        if (impl_fdeq_ptr)                                                     \
        {                                                                      \
            void *const impl_fdeq_emplace_ret                                  \
                = ccc_impl_fdeq_alloc_back(impl_fdeq_ptr);                     \
            if (impl_fdeq_emplace_ret)                                         \
            {                                                                  \
                *((typeof(value) *)impl_fdeq_emplace_ret) = value;             \
            }                                                                  \
        }                                                                      \
        impl_fdeq_emplace_ret;                                                 \
    }))
 
#define ccc_impl_fdeq_emplace_front(fdeq_ptr, value...)                        \
    (__extension__({                                                           \
        __auto_type impl_fdeq_ptr = (fdeq_ptr);                                \
        void *const impl_fdeq_emplace_ret = NULL;                              \
        if (impl_fdeq_ptr)                                                     \
        {                                                                      \
            void *const impl_fdeq_emplace_ret                                  \
                = ccc_impl_fdeq_alloc_front(impl_fdeq_ptr);                    \
            if (impl_fdeq_emplace_ret)                                         \
            {                                                                  \
                *((typeof(value) *)impl_fdeq_emplace_ret) = value;             \
            }                                                                  \
        }                                                                      \
        impl_fdeq_emplace_ret;                                                 \
    }))
 
/* NOLINTEND(readability-identifier-naming) */
 
#endif /* CCC_IMPL_FLAT_DOUBLE_ENDED_QUEUE_H */