mp3genre.c

#include "mp3genre.h"

void get_mp3_genre(const char* filename, char *id3_genreg) {
        FILE *fp;
        unsigned char id3_genre_num[1];
        char mp3_fbuf[3];
        if (!(fp=fopen(filename,"rb"))) {
                id3_genreg = malloc(strlen("Unknown") + 1);
                strncpy ( id3_genreg, "Unknown", strlen("Unknown") );
        }
        if (fseek(fp,-128,SEEK_END)) {
                id3_genreg = malloc(strlen("Unknown") + 1);
                strncpy ( id3_genreg, "Unknown", strlen("Unknown") );
        } else {
                fread(mp3_fbuf,1,3,fp);
                mp3_fbuf[3] = '\0';
                id3_genre_num[0]=255;
                if (!strcmp((const char *)"TAG",(const char *)mp3_fbuf)) {
                        fseek(fp, -1, SEEK_END);
                        fread(id3_genre_num,1,1,fp);
                        if(id3_genre_num[0] != '\0' && id3_genre_num[0] > 0 && id3_genre_num[0] < genre_count) {
                                *id3_genreg = malloc(strlen(genre_s[id3_genre_num[0]]) + 1);
                                strncpy  ( id3_genreg, genre_s[id3_genre_num[0]], strlen(genre_s[id3_genre_num[0]]) );
                                id3_genreg[strlen(genre_s[id3_genre_num[0]])]= '\0';
                        }
                }
        }
}