ref: a225c927060b13c9e37ac7ad60d7470d062d2075
dir: /tagspriv.h/
#ifdef __unix__ #define _DEFAULT_SOURCE #include <stdio.h> #include <string.h> #include <stdlib.h> #include <strings.h> #include <stdint.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 uint8_t uchar; typedef uint16_t u16int; typedef uint32_t u32int; typedef uint64_t uvlong; typedef unsigned int uint; typedef unsigned short ushort; #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)