fmt.h

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/*
 * SPDX-FileCopyrightText: 2015 Kaspar Schleiser <kaspar@schleiser.de>
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include <stddef.h>
#include <stdint.h>
#include <time.h>
#include <unistd.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef FMT_USE_MEMMOVE
#define FMT_USE_MEMMOVE (1) 
#endif

static inline int fmt_is_digit(char c)
{
    return (c >= '0' && c <= '9');
}

static inline int fmt_is_upper(char c)
{
    return (c >= 'A' && c <= 'Z');
}

int fmt_is_number(const char *str);

size_t fmt_byte_hex(char *out, uint8_t byte);

size_t fmt_bytes_hex(char *out, const uint8_t *ptr, size_t n);

size_t fmt_bytes_hex_reverse(char *out, const uint8_t *ptr, size_t n);

uint8_t fmt_hex_byte(const char *hex);

size_t fmt_hex_bytes(uint8_t *out, const char *hex);

size_t fmt_u16_hex(char *out, uint16_t val);

size_t fmt_u32_hex(char *out, uint32_t val);

size_t fmt_u64_hex(char *out, uint64_t val);

size_t fmt_u16_dec(char *out, uint16_t val);

size_t fmt_u32_dec(char *out, uint32_t val);

size_t fmt_u64_dec(char *out, uint64_t val);

size_t fmt_s64_dec(char *out, int64_t val);

size_t fmt_s32_dec(char *out, int32_t val);

size_t fmt_s16_dec(char *out, int16_t val);

size_t fmt_s16_dfp(char *out, int16_t val, int scale);

size_t fmt_s32_dfp(char *out, int32_t val, int scale);

size_t fmt_float(char *out, float f, unsigned precision);

size_t fmt_char(char *out, char c);

size_t fmt_strlen(const char *str);

size_t fmt_strnlen(const char *str, size_t maxlen);

size_t fmt_str(char *out, const char *str);

size_t fmt_to_lower(char *out, const char *str);

int fmt_time_tm_iso8601(char out[20], const struct tm *tm, char separator);

uint32_t scn_u32_dec(const char *str, size_t n);

uint32_t scn_u32_hex(const char *str, size_t n);

ssize_t scn_buf_hex(void *dest, size_t dest_len, const char *hex, size_t hex_len);

int scn_time_tm_iso8601_date(struct tm *tm, const char *str);

int scn_time_tm_iso8601_time(struct tm *tm, const char *str);

int scn_time_tm_iso8601(struct tm *tm, const char *str, char separator);

void print(const char* s, size_t n);

void print_u32_dec(uint32_t val);

void print_s32_dec(int32_t val);

void print_byte_hex(uint8_t byte);

void print_bytes_hex(const void *bytes, size_t n);

void print_u32_hex(uint32_t val);

void print_u64_hex(uint64_t val);

void print_u64_dec(uint64_t val);

void print_s64_dec(uint64_t val);

void print_float(float f, unsigned precision);

void print_str(const char* str);

size_t fmt_lpad(char *str, size_t in_len, size_t pad_len, char pad_char);
 
#ifdef __cplusplus
}
#endif