#ifndef SRC_ZIP_H_

#define SRC_ZIP_H_

#define _GNU_SOURCE

#include <ctype.h>

#include <err.h>

#include <errno.h>

#include <fcntl.h>

#include <getopt.h>

#include <stdio.h>

#include <stdlib.h>

#include <sys/mman.h>

#include <sys/stat.h>

#include <sys/types.h>

#include <unistd.h>

#include <zlib.h>

#define USAGE \

"Usage: zip [options] filename [archive.zip]\n" \

" Run with -h for more info\n"

#define MB (1024U * 1024U)

#define MAX_CHUNK_SIZE (MB * 2U)

#define MIN_CHUNK_SIZE (1U)

#define DEFAULT_CHUNK_SIZE (2U << 12)

// config for read parameters

typedef struct {

int hFlag;

int fFlag; // force writing to output (error if not set)

int cFlag;

int chunksNumber;

} OptionsConfig;

// error types

typedef enum { ERROR = -1, OK = 0 } eErrorCode;

int zip(const char* filename, const char* archive_filename,

OptionsConfig config);

int scanOptions(int argc, char** argv, OptionsConfig* config);

eErrorCode readFromC(char* optarg, OptionsConfig* config);

#endif // SRC_ZIP_H_