49e016c48f
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11768 a1c6a512-1295-4272-9138-f99709370657
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Dave Chapman
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#if defined(linux) || defined (__linux)
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#include <sys/mount.h>
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#define IPOD_SECTORSIZE_IOCTL BLKSSZGET
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#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) \
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|| defined(__bsdi__) || defined(__DragonFly__)
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#include <sys/disk.h>
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#define IPOD_SECTORSIZE_IOCTL DIOCGSECTORSIZE
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#elif defined(__APPLE__) && defined(__MACH__)
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#include <sys/disk.h>
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#define IPOD_SECTORSIZE_IOCTL DKIOCGETBLOCKSIZE
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#else
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#error No sector-size detection implemented for this platform
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#endif
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#include "ipodio.h"
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void print_error(char* msg)
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{
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perror(msg);
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}
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int ipod_open(HANDLE* dh, char* diskname, int* sector_size)
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{
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*dh=open(diskname,O_RDONLY);
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if (*dh < 0) {
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perror(diskname);
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return -1;
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}
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if(ioctl(*dh,IPOD_SECTORSIZE_IOCTL,sector_size) < 0) {
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fprintf(stderr,"[ERR] ioctl() call to get sector size failed\n");
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}
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return 0;
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}
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int ipod_reopen_rw(HANDLE* dh, char* diskname)
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{
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close(*dh);
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*dh=open(diskname,O_RDWR);
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if (*dh < 0) {
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perror(diskname);
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return -1;
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}
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return 0;
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}
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int ipod_close(HANDLE dh)
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{
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close(dh);
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return 0;
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}
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int ipod_alloc_buffer(unsigned char** sectorbuf, int bufsize)
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{
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*sectorbuf=malloc(bufsize);
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if (*sectorbuf == NULL) {
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return -1;
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}
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return 0;
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}
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int ipod_seek(HANDLE dh, unsigned long pos)
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{
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off_t res;
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res = lseek(dh, pos, SEEK_SET);
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if (res == -1) {
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return -1;
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}
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return 0;
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}
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int ipod_read(HANDLE dh, unsigned char* buf, int nbytes)
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{
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return read(dh, buf, nbytes);
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}
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int ipod_write(HANDLE dh, unsigned char* buf, int nbytes)
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{
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return write(dh, buf, nbytes);
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}
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