FreeDB.xs.linux

// Copyright (c) 2014 David J. Shultz <dshultz@cpan.org>
// This software is covered by the GPL.

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#include "lib/discid.h"
#include <stdio.h>
#include <stdlib.h>

static int
not_here(char *s)
{
    croak("%s not implemented on this architecture", s);
    return -1;
}

static double
constant(char *name, int len, int arg)
{
    errno = EINVAL;
    return 0;
}

MODULE = Net::FreeDB		PACKAGE = Net::FreeDB		

PROTOTYPES: ENABLE

double
constant(sv,arg)
    PREINIT:
	STRLEN		len;
    INPUT:
	SV *		sv
	char *		s = SvPV(sv, len);
	int		arg
    CODE:
	RETVAL = constant(s,len,arg);
    OUTPUT:
	RETVAL

char*
xs_discid(char* dev)
    INIT:
		char id[30];
		struct discdata data;
    CODE:
		data = get_disc_id(dev);
    POST_CALL:
		if (data.num_of_trks == -1) {
			RETVAL = "";
		} else {
			sprintf(id, "%08x", (unsigned int)data.discid);
			RETVAL = id;
		}
    OUTPUT:
		RETVAL

SV*
xs_discinfo(char* dev)
    INIT:
	int i;
        char id[30];
	struct discdata data;
        HV* hash = newHV();
        AV* tracks = newAV();
    PPCODE:
	data = get_disc_id(dev);

	for (i = 0; i < (data.num_of_trks); i++) {
		av_push(tracks, newSVnv(data.track_offsets[i]));
	}
	
	sprintf(id, "%08x", (unsigned int)data.discid);
	hv_store(hash, "ID", 2, newSVpv(id, 0), 0);
	hv_store(hash, "NUM_TRKS", 8, newSVnv(data.num_of_trks), 0);
	hv_store(hash, "TRACKS", 6, newRV_inc((SV*)tracks), 0);
	hv_store(hash, "SECONDS", 7, newSVnv(data.seconds), 0);

	XPUSHs(newRV((SV*)hash));