ffutf.h

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/* UTF-8, UTF-16 and UTF-32 utility functions */
 
#ifndef FFUTF_H_
#define FFUTF_H_
 
#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <limits.h>
 
extern int ffutf_errno;
 
#define FFUTF_PARSE 1 
#define FFUTF_EARLY 2 
#define FFUTF_16LOW 4 
#define FFUTF_INVAL 8 
#define FFUTF_IMPLM 16 
#define NONE 0 
 
// ??????YX
// Y = 1: endianness specified
// YX = 10: little endian
// YX = 11: big endian
// YX = 0?: ignore X
 
#define LE 2 
#define BE 3 
 
// ???CBAYX
// A: UTF-8 specified
// B: UTF-16 specified
// C: UTF-32 specified
// If many are specified, the order of identification is A > B > C > D
#define UTF8 4 
#define UTF16 8 
#define UTF32 16 
#define UTFERR -2u
extern uint32_t fgetc_u(FILE *fp, int type);
 
extern size_t fwrite_u(uint32_t c, FILE *fp, int type);
#define ISASCII(ch) ((ch) & 0x7f == (ch))
 
 
extern size_t strlen_u(const char *s, int type);
extern size_t strnlen_u(const char *s, size_t max_len, int type);
#endif /* FFUTF_H_ */