ref: 0a1bab10da12e537aab4b7ea9679d7dc54a559c8
dir: libtags/tagspriv.h
#ifdef __unix__
#define _DEFAULT_SOURCE
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <strings.h>
#define snprint snprintf
#define cistrcmp strcasecmp
#define cistrncmp strncasecmp
#define nil NULL
#define UTFmax 4
#define nelem(x) (int)(sizeof(x)/sizeof((x)[0]))
typedef unsigned char uchar;
typedef unsigned long long uvlong;
#else
#include <u.h>
#include <libc.h>
#endif
#include "tags.h"
enum
{
Numgenre = 192,
};
#define beuint(d) (uint)(((uchar*)(d))[0]<<24 | ((uchar*)(d))[1]<<16 | ((uchar*)(d))[2]<<8 | ((uchar*)(d))[3]<<0)
#define leuint(d) (uint)(((uchar*)(d))[3]<<24 | ((uchar*)(d))[2]<<16 | ((uchar*)(d))[1]<<8 | ((uchar*)(d))[0]<<0)
extern const char *id3genres[Numgenre];
/*
* Converts (to UTF-8) at most sz bytes of src and writes it to out buffer.
* Returns the number of bytes converted.
* You need sz*2+1 bytes for out buffer to be completely safe.
*/
int iso88591toutf8(uchar *out, int osz, const uchar *src, int sz);
/*
* Converts (to UTF-8) at most sz bytes of src and writes it to out buffer.
* Returns the number of bytes converted or < 0 in case of error.
* You need sz*4+1 bytes for out buffer to be completely safe.
* UTF-16 defaults to big endian if there is no BOM.
*/
int utf16to8(uchar *out, int osz, const uchar *src, int sz);
/*
* Same as utf16to8, but CP437 to UTF-8.
*/
int cp437toutf8(char *o, int osz, const char *s, int sz);
/*
* This one is common for both vorbis.c and flac.c
* It maps a string k to tag type and executes the callback from ctx.
* Returns 1 if callback was called, 0 otherwise.
*/
void cbvorbiscomment(Tagctx *ctx, char *k, char *v);
void tagscallcb(Tagctx *ctx, int type, const char *k, char *s, int offset, int size, Tagread f);
#define txtcb(ctx, type, k, s) tagscallcb(ctx, type, k, (char*)s, 0, 0, nil)