rockbox/apps/metadata/nsf.c
Michael Giacomelli ad9835c689 Logic was backwards on the check for NSF file format. Fix that and save one memcmp.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22559 a1c6a512-1295-4272-9138-f99709370657
2009-08-30 03:52:11 +00:00

62 lines
1.2 KiB
C

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <inttypes.h>
#include "system.h"
#include "metadata.h"
#include "metadata_common.h"
#include "metadata_parsers.h"
#include "rbunicode.h"
bool get_nsf_metadata(int fd, struct mp3entry* id3)
{
/* Use the trackname part of the id3 structure as a temporary buffer */
unsigned char* buf = (unsigned char *)id3->path;
int read_bytes;
char *p;
if ((lseek(fd, 0, SEEK_SET) < 0)
|| ((read_bytes = read(fd, buf, 110)) < 110))
{
return false;
}
id3->length = 120*1000;
id3->vbr = false;
id3->filesize = filesize(fd);
if (memcmp(buf,"NSFE",4) == 0) /* only NESM contain metadata */
{
return true;
}
else
{
if (memcmp(buf, "NESM",4) != 0) /* not a valid format*/
{
return false;
}
}
p = id3->id3v2buf;
/* Title */
memcpy(p, &buf[14], 32);
id3->title = p;
p += strlen(p)+1;
/* Artist */
memcpy(p, &buf[46], 32);
id3->artist = p;
p += strlen(p)+1;
/* Copyright (per codec) */
memcpy(p, &buf[78], 32);
id3->album = p;
p += strlen(p)+1;
return true;
}