xz_config.h

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#pragma once
 
#include <stddef.h>
#include <stdint.h>
#include <string.h>
 
#include "unarch_xz_pool.h"
 
/* The porting-seam macro names below (kmalloc, memeq, min_t, get_le32, ...) are
 * fixed by the xz-embedded SOUP contract (see the @details above) and cannot be
 * renamed to project UPPER_CASE conventions without forking the vendored tree. */
/* NOLINTBEGIN(readability-identifier-naming) -- porting-seam names fixed by the xz-embedded SOUP contract. */

#define XZ_DEC_PREALLOC

#define XZ_USE_CRC64
 
#include "xz.h"

#define kmalloc(size, flags) unarch_xz_pool_alloc((uint32_t)(size))

#define kfree(ptr) ((void)(ptr))

#define vmalloc(size) unarch_xz_pool_alloc((uint32_t)(size))

#define vfree(ptr) ((void)(ptr))

#define memeq(a, b, size) (memcmp((a), (b), (size)) == 0)

#define memzero(buf, size) memset((buf), 0, (size))

#ifndef min
#define min(x, y) (((x) < (y)) ? (x) : (y))
#endif

#define min_t(type, x, y) (((type)(x) < (type)(y)) ? (type)(x) : (type)(y))

#ifndef fallthrough
#define fallthrough [[fallthrough]]
#endif

#ifndef __always_inline
#define __always_inline [[gnu::always_inline]] inline
#endif

typedef enum : uint8_t {
  k_ra8_xz_cfg_shift_b1 = 8U,  
  k_ra8_xz_cfg_shift_b2 = 16U, 
  k_ra8_xz_cfg_shift_b3 = 24U, 
} ra8_xz_cfg_shift_t;

static inline uint32_t ra8_xz_cfg_get_unaligned_le32(const uint8_t* buf)
{
  return (uint32_t)buf[0] | ((uint32_t)buf[1] << (uint8_t)k_ra8_xz_cfg_shift_b1) |
         ((uint32_t)buf[2] << (uint8_t)k_ra8_xz_cfg_shift_b2) |
         ((uint32_t)buf[3] << (uint8_t)k_ra8_xz_cfg_shift_b3);
}

#define get_unaligned_le32(buf) ra8_xz_cfg_get_unaligned_le32(buf)

#define get_le32(buf) ra8_xz_cfg_get_unaligned_le32(buf)
/* NOLINTEND(readability-identifier-naming) */