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#ifndef ENCODING_ENCODING_H
#define ENCODING_ENCODING_H
#include <stdbool.h>
#include <stddef.h>
#include "util/macros.h"
typedef enum {
UTF8,
UTF16BE,
UTF16LE,
UTF32BE,
UTF32LE,
UNKNOWN_ENCODING,
NR_ENCODING_TYPES,
// This value is used by the "open" command to instruct other
// routines that no specific encoding was requested and that
// it should be detected instead. It is always replaced by
// some other value by the time a file is successfully opened.
ENCODING_AUTODETECT
} EncodingType;
typedef struct {
EncodingType type;
// An interned encoding name compatible with iconv_open(3)
const char *name;
} Encoding;
typedef struct {
const unsigned char bytes[4];
unsigned int len;
} ByteOrderMark;
static inline bool same_encoding(const Encoding *a, const Encoding *b)
{
return a->type == b->type && a->name == b->name;
}
Encoding encoding_from_type(EncodingType type);
Encoding encoding_from_name(const char *name) NONNULL_ARGS;
EncodingType lookup_encoding(const char *name) NONNULL_ARGS;
EncodingType detect_encoding_from_bom(const unsigned char *buf, size_t size);
const ByteOrderMark *get_bom_for_encoding(EncodingType encoding);
#endif
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