#ifndef __UTIL_H__

#define __UTIL_H__

#include <stdlib.h>

#include <stdio.h>

#include <stdint.h>

#define LEN(X) (sizeof(X) / sizeof(*X))

#define SET(X, F) (X |= (F))

#define UNSET(X, F) (X &= ~(F))

#define ISSET(X, F) (X & (F))

#define ALT_NULL(X, Y) ((X != NULL)? X : Y)

#define ALT_EMPTY(X, Y) ((X[0] != '\0')? X : Y)

/*

* cstr

*/

void cstr_copy_n(char dest[], size_t dest_size, const char src[], size_t src_len);

char *cstr_time_fmt(char dest[], size_t size, int64_t secs);

int cstr_cmp_vers(const char a[], const char b[]);

char *cstr_case_str(const char h[], const char n[]);

int cstr_is_empty(const char cstr[]);

char *cstr_trim_left(char cstr[]);

size_t cstr_trim_right_len(const char cstr[], size_t len);

int cstr_to_int64(const char cstr[], int64_t *out);

char *cstr_num(char cstr[]);

/*

* Str

*/

typedef struct str {

int is_alloc;

char *cstr;

size_t size;

size_t len;

} Str;

int str_init(Str *s, char buffer[], size_t size);

int str_init_alloc(Str *s, size_t len);

void str_deinit(Str *s);

const char *str_set(Str *s, const char cstr[]);

const char *str_set_n(Str *s, const char cstr[], size_t len);

const char *str_set_fmt(Str *s, const char fmt[], ...);

const char *str_append(Str *s, const char cstr[]);

const char *str_append_n(Str *s, const char cstr[], size_t len);

const char *str_append_fmt(Str *s, const char fmt[], ...);

char *str_dup(Str *s);

void str_shrink(Str *s, size_t count);

/*

* ArrayPtr

*/

typedef struct array_ptr {

size_t len;

void **items;

} ArrayPtr;

void array_ptr_init(ArrayPtr *a);

void array_ptr_deinit(ArrayPtr *a);

int array_ptr_append(ArrayPtr *a, void *item);

/*

* Stream

*/

void stream_in_flush(int fd);

/*

* SpaceTokenizer

*/

typedef struct space_tokenizer {

const char *value;

unsigned len;

} SpaceTokenizer;

const char *space_tokenizer_next(SpaceTokenizer *s, const char raw[]);

/*

* misc

*/

int is_ascii(int c);

/*

* log

*/

int log_file_init(const char path[]);

void log_file_deinit(void);

void log_err(int errnum, const char fmt[], ...);

void log_info(const char fmt[], ...);

#endif