{"id":27400,"date":"2023-07-04T12:51:25","date_gmt":"2022-11-24T17:28:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8debian%e4%b8%8a%e8%ae%bf%e9%97%ae%e9%9f%b3%e9%a2%91cd%e3%80%82-3\/"},"modified":"2025-08-12T02:29:48","modified_gmt":"2025-08-11T18:29:48","slug":"%e5%9c%a8debian%e4%b8%8a%e8%ae%bf%e9%97%ae%e9%9f%b3%e9%a2%91cd%e3%80%82-3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8debian%e4%b8%8a%e8%ae%bf%e9%97%ae%e9%9f%b3%e9%a2%91cd%e3%80%82-3\/","title":{"rendered":"\u5728Debian\u4e0a\u8bbf\u95ee\u97f3\u9891CD"},"content":{"rendered":"

\u9019\u662f\u4e00\u500b\u70ba\u4e86\u9032\u884c\u8abf\u67e5\u6240\u5275\u5efa\u7684\u793a\u7bc4\u7a0b\u5f0f\u3002\u7531\u65bc\u5728Debian\u4e0a\u5f88\u5c11\u6709\u80fd\u5920\u8a2a\u554f\u97f3\u983b\u5149\u789f\u7684\u793a\u7bc4\u7a0b\u5f0f\uff0c\u6240\u4ee5\u6211\u5c07\u5176\u653e\u5728\u9019\u88e1\u3002\u6211\u5df2\u7d93\u5728Debian 9.5\u4e0a\u9032\u884c\u4e86\u7de8\u8b6f\u548c\u64cd\u4f5c\u78ba\u8a8d\u3002<\/p>\n

#include <stdio.h>              \/\/ printf, perror\r\n#include <fcntl.h>              \/\/ open\r\n#include <unistd.h>             \/\/ close, write\r\n#include <sys\/ioctl.h>          \/\/ ioctl\r\n#include <string.h>             \/\/ memset, memcpy\r\n#include <stdlib.h>             \/\/ malloc, free\r\n#include <linux\/cdrom.h>        \/\/\r\n<\/span>\/\/ ----------------------------------------------------------------------------<\/span>\r\n#define LBA2MIN(l)      (__u8)((l \/ CD_FRAMES) \/ CD_SECS)\r\n#define LBA2SEC(l)      (__u8)((l \/ CD_FRAMES) % CD_SECS)\r\n#define LBA2FRAME(l)    (__u8)(l % CD_FRAMES)\r\n#define MSF2LBA(m,s,f)  (int)((m * CD_SECS + s) * CD_FRAMES + f - CD_MSF_OFFSET)\r\n<\/span>\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_open<\/span>(<\/span>const<\/span> char<\/span> *<\/span>pathname<\/span>,<\/span> int<\/span> flags<\/span>,<\/span> mode_t<\/span> mode<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> fd<\/span>;<\/span>\r\n\r\n    if<\/span> ((<\/span>fd<\/span> =<\/span> open<\/span>(<\/span>pathname<\/span>,<\/span> flags<\/span>,<\/span> mode<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_open: open\"<\/span>);<\/span>\r\n\r\n    return<\/span> fd<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_close<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span>;<\/span>\r\n\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> close<\/span>(<\/span>*<\/span>fd<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_close: close\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\noff_t<\/span> cdrom_lseek<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> off_t<\/span> offset<\/span>,<\/span> int<\/span> whence<\/span>)<\/span>\r\n{<\/span>\r\n    off_t<\/span> ret<\/span>;<\/span>\r\n\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> lseek<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> offset<\/span>,<\/span> whence<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_lseek: lseek\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nssize_t<\/span> cdrom_read<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> void<\/span> *<\/span>buf<\/span>,<\/span> size_t<\/span> count<\/span>)<\/span>\r\n{<\/span>\r\n    ssize_t<\/span> ret<\/span>;<\/span>\r\n\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> read<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> buf<\/span>,<\/span> count<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_read: read\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nssize_t<\/span> cdrom_write<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> const<\/span> void<\/span> *<\/span>buf<\/span>,<\/span> size_t<\/span> count<\/span>)<\/span>\r\n{<\/span>\r\n    ssize_t<\/span> ret<\/span>;<\/span>\r\n\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> write<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> buf<\/span>,<\/span> count<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_write: write\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_ioctl<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> unsigned<\/span> long<\/span> request<\/span>,<\/span> void<\/span> *<\/span>argp<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span>;<\/span>\r\n\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> ioctl<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> request<\/span>,<\/span> argp<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_ioctl: ioctl\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_read_tochdr<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> struct<\/span> cdrom_tochdr<\/span> *<\/span>header<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span>;<\/span>\r\n\r\n    memset<\/span>(<\/span>header<\/span>,<\/span> 0<\/span>,<\/span> sizeof<\/span>(<\/span>struct<\/span> cdrom_tochdr<\/span>));<\/span>\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> ioctl<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> CDROMREADTOCHDR<\/span>,<\/span> header<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_read_tochdr: ioctl\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_read_tocentry<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> struct<\/span> cdrom_tocentry<\/span> *<\/span>entry<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span>;<\/span>\r\n    struct<\/span> cdrom_tocentry<\/span> p<\/span>;<\/span>\r\n\r\n    memset<\/span>(<\/span>&<\/span>p<\/span>,<\/span> 0<\/span>,<\/span> sizeof<\/span>(<\/span>struct<\/span> cdrom_tocentry<\/span>));<\/span>\r\n    p<\/span>.<\/span>cdte_format<\/span> =<\/span> entry<\/span>-><\/span>cdte_format<\/span>;<\/span>\r\n    p<\/span>.<\/span>cdte_track<\/span> =<\/span> entry<\/span>-><\/span>cdte_track<\/span>;<\/span>\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> ioctl<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> CDROMREADTOCENTRY<\/span>,<\/span> &<\/span>p<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_read_tocentry: ioctl\"<\/span>);<\/span>\r\n    memcpy<\/span>(<\/span>entry<\/span>,<\/span> &<\/span>p<\/span>,<\/span> sizeof<\/span>(<\/span>struct<\/span> cdrom_tocentry<\/span>));<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_reset<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span>;<\/span>\r\n\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> ioctl<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> CDROMRESET<\/span>,<\/span> 0<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_reset: ioctl\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_select_speed<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> int<\/span> speed<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span>;<\/span>\r\n\r\n    if<\/span> (<\/span>!<\/span>speed<\/span>)<\/span>\r\n        speed<\/span> =<\/span> 0xffff<\/span>;<\/span>         \/\/ set to max<\/span>\r\n    else<\/span>\r\n        speed<\/span> *=<\/span> 177<\/span>;<\/span>           \/\/ Nx to kbytes\/s<\/span>\r\n\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> ioctl<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> CDROM_SELECT_SPEED<\/span>,<\/span> speed<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_select_speed: ioctl\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_get_mcn<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> struct<\/span> cdrom_mcn<\/span> *<\/span>mcn<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n    memset<\/span>(<\/span>mcn<\/span>,<\/span> 0<\/span>,<\/span> sizeof<\/span>(<\/span>struct<\/span> cdrom_mcn<\/span>));<\/span>\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> ioctl<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> CDROM_GET_MCN<\/span>,<\/span> mcn<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_get_mcn: ioctl\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> cdrom_read_audio<\/span>(<\/span>int<\/span> *<\/span>fd<\/span>,<\/span> struct<\/span> cdrom_read_audio<\/span> *<\/span>ra<\/span>)<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span> =<\/span> 0<\/span>;<\/span>\r\n\r\n    memset<\/span>(<\/span>ra<\/span>-><\/span>buf<\/span>,<\/span> 0<\/span>,<\/span> (<\/span>ra<\/span>-><\/span>nframes<\/span> *<\/span> CD_FRAMESIZE_RAW<\/span>));<\/span>\r\n    if<\/span> ((<\/span>ret<\/span> =<\/span> ioctl<\/span>(<\/span>*<\/span>fd<\/span>,<\/span> CDROMREADAUDIO<\/span>,<\/span> ra<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        perror<\/span>(<\/span>\"cdrom_read_audio: ioctl\"<\/span>);<\/span>\r\n\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\nint<\/span> main<\/span>(<\/span>int<\/span> argc<\/span>,<\/span> char<\/span> *<\/span>argv<\/span>[])<\/span>\r\n{<\/span>\r\n    int<\/span> ret<\/span> =<\/span> 0<\/span>;<\/span>\r\n    int<\/span> ifd<\/span>,<\/span> ofd<\/span>;<\/span>\r\n    char<\/span> *<\/span>ipathname<\/span> =<\/span> \"\/dev\/cdrom\"<\/span>;<\/span>\r\n    char<\/span> *<\/span>opathname<\/span> =<\/span> \".\/dump.bin\"<\/span>;<\/span>\r\n    struct<\/span> cdrom_tochdr<\/span> header<\/span>;<\/span>\r\n    struct<\/span> cdrom_tocentry<\/span> entry<\/span>[<\/span>99<\/span>];<\/span>\r\n    struct<\/span> cdrom_mcn<\/span> mcn<\/span>;<\/span>\r\n    struct<\/span> cdrom_read_audio<\/span> ra<\/span>;<\/span>\r\n    int<\/span> i<\/span>,<\/span> trk<\/span>,<\/span> lba0<\/span>,<\/span> lba1<\/span>;<\/span>\r\n\/\/ --- cdrom_open -------------------------------------------------------------<\/span>\r\n    if<\/span> ((<\/span>ifd<\/span> =<\/span> cdrom_open<\/span>(<\/span>ipathname<\/span>,<\/span> O_RDONLY<\/span> |<\/span> O_NONBLOCK<\/span>,<\/span> 0<\/span>))<\/span> <<\/span> 0<\/span>)<\/span>\r\n        return<\/span> -<\/span>1<\/span>;<\/span>\r\n\/\/ --- cdrom_reset ------------------------------------------------------------<\/span>\r\n\/*  if (cdrom_reset(&ifd) < 0) {\r\n        cdrom_close(&ifd);\r\n        return -1;\r\n    }*\/<\/span>\r\n\/\/ --- cdrom_select_speed -----------------------------------------------------<\/span>\r\n    if<\/span> (<\/span>cdrom_select_speed<\/span>(<\/span>&<\/span>ifd<\/span>,<\/span> 0<\/span>)<\/span> <<\/span> 0<\/span>)<\/span> {<\/span>\r\n        cdrom_close<\/span>(<\/span>&<\/span>ifd<\/span>);<\/span>\r\n        return<\/span> -<\/span>1<\/span>;<\/span>\r\n    }<\/span>\r\n\/\/ --- cdrom_read_tochdr ------------------------------------------------------<\/span>\r\n    if<\/span> (<\/span>cdrom_read_tochdr<\/span>(<\/span>&<\/span>ifd<\/span>,<\/span> &<\/span>header<\/span>)<\/span> <<\/span> 0<\/span>)<\/span> {<\/span>\r\n        cdrom_close<\/span>(<\/span>&<\/span>ifd<\/span>);<\/span>\r\n        return<\/span> -<\/span>1<\/span>;<\/span>\r\n    }<\/span>\r\n\/\/ --- cdrom_get_mcn ----------------------------------------------------------<\/span>\r\n    if<\/span> (<\/span>cdrom_get_mcn<\/span>(<\/span>&<\/span>ifd<\/span>,<\/span> &<\/span>mcn<\/span>)<\/span> <<\/span> 0<\/span>)<\/span> {<\/span>\r\n        cdrom_close<\/span>(<\/span>&<\/span>ifd<\/span>);<\/span>\r\n        return<\/span> -<\/span>1<\/span>;<\/span>\r\n    }<\/span>\r\n\/\/ --- cdrom_read_tocentry ----------------------------------------------------<\/span>\r\n    for<\/span> (<\/span>i<\/span> =<\/span> 0<\/span>,<\/span> trk<\/span> =<\/span> header<\/span>.<\/span>cdth_trk0<\/span>;<\/span> trk<\/span> <=<\/span> header<\/span>.<\/span>cdth_trk1<\/span> +<\/span> 1<\/span>;<\/span> i<\/span>++<\/span>,<\/span> trk<\/span>++<\/span>)<\/span> {<\/span>\r\n        if<\/span> (<\/span>trk<\/span> >=<\/span> header<\/span>.<\/span>cdth_trk0<\/span> &&<\/span> trk<\/span> <=<\/span> header<\/span>.<\/span>cdth_trk1<\/span>)<\/span>\r\n            entry<\/span>[<\/span>i<\/span>].<\/span>cdte_track<\/span> =<\/span> trk<\/span>;<\/span>\r\n        else<\/span> if<\/span> (<\/span>trk<\/span> ><\/span> header<\/span>.<\/span>cdth_trk1<\/span>)<\/span>\r\n            entry<\/span>[<\/span>i<\/span>].<\/span>cdte_track<\/span> =<\/span> CDROM_LEADOUT<\/span>;<\/span>\r\n        entry<\/span>[<\/span>i<\/span>].<\/span>cdte_format<\/span> =<\/span> CDROM_LBA<\/span>;<\/span>\r\n        if<\/span> (<\/span>cdrom_read_tocentry<\/span>(<\/span>&<\/span>ifd<\/span>,<\/span> &<\/span>entry<\/span>[<\/span>i<\/span>])<\/span> <<\/span> 0<\/span>)<\/span> {<\/span>\r\n            cdrom_close<\/span>(<\/span>&<\/span>ifd<\/span>);<\/span>\r\n            return<\/span> -<\/span>1<\/span>;<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\/\/ --- cdrom_read_audio -------------------------------------------------------<\/span>\r\n#if 0\r\n    if ((ofd = cdrom_open(opathname, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR)) < 0) {\r\n        ret = -1;\r\n    } else {\r\n        ra.addr_format = CDROM_LBA; \/\/ CDROM_LBA or CDROM_MSF\r\n        ra.nframes = 50;        \/\/ number of 2352-byte-frames to read at once\r\n        \/\/ frame buffer (size: nframes*2352 bytes)\r\n        if ((ra.buf = malloc(ra.nframes * CD_FRAMESIZE_RAW)) == NULL) {\r\n            perror(\"malloc:ra.buf\");\r\n            ret = -1;\r\n            goto extit_loop2;\r\n        }\r\n        \/\/ frame address\r\n        for (i = 0, trk = header.cdth_trk0; trk <= header.cdth_trk1; i++, trk++);\r\n        if (entry[0].cdte_format == CDROM_LBA) {\r\n            lba0 = entry[0].cdte_addr.lba;\r\n            lba1 = entry[i].cdte_addr.lba;\r\n        } else {\r\n            lba0 = MSF2LBA(entry[0].cdte_addr.msf.minute, entry[0].cdte_addr.msf.second, entry[0].cdte_addr.msf.frame);\r\n            lba1 = MSF2LBA(entry[i].cdte_addr.msf.minute, entry[i].cdte_addr.msf.second, entry[i].cdte_addr.msf.frame);\r\n        }\r\n        for (ra.addr.lba = lba0; (ra.addr.lba + ra.nframes) < lba1; ra.addr.lba += ra.nframes) {\r\n            printf(\"lba = %6d\\r\", ra.addr.lba);\r\n            if (cdrom_read_audio(&ifd, &ra) < 0) {\r\n                ret = -1;\r\n                goto extit_loop1;\r\n            }\r\n            if (cdrom_write(&ofd, ra.buf, ra.nframes * CD_FRAMESIZE_RAW) < 0) {\r\n                ret = -1;\r\n                goto extit_loop1;\r\n            }\r\n        }\r\n        ra.nframes = 1;\r\n        for (; ra.addr.lba < lba1; ra.addr.lba += ra.nframes) {\r\n            printf(\"lba = %6d\\r\", ra.addr.lba);\r\n            if (cdrom_read_audio(&ifd, &ra) < 0) {\r\n                ret = -1;\r\n                goto extit_loop1;\r\n            }\r\n            if (cdrom_write(&ofd, ra.buf, ra.nframes * CD_FRAMESIZE_RAW) < 0) {\r\n                ret = -1;\r\n                goto extit_loop1;\r\n            }\r\n        }\r\n      extit_loop1:\r\n        printf(\"lba = %6d\\n\", ra.addr.lba);\r\n        free(ra.buf);\r\n      extit_loop2:\r\n        if ((cdrom_close(&ofd)) < 0)\r\n            ret = -1;\r\n    }\r\n#endif\r\n<\/span>\/\/ --- cdrom_close ------------------------------------------------------------<\/span>\r\n    if<\/span> (<\/span>cdrom_close<\/span>(<\/span>&<\/span>ifd<\/span>)<\/span> <<\/span> 0<\/span>)<\/span>\r\n        ret<\/span> =<\/span> -<\/span>1<\/span>;<\/span>\r\n\/\/ --- debug print ------------------------------------------------------------<\/span>\r\n    printf<\/span>(<\/span>\"start track=%02u<\/span>\\n<\/span>\"<\/span>,<\/span> header<\/span>.<\/span>cdth_trk0<\/span>);<\/span> \/\/ start track<\/span>\r\n    printf<\/span>(<\/span>\"end track  =%02u<\/span>\\n<\/span>\"<\/span>,<\/span> header<\/span>.<\/span>cdth_trk1<\/span>);<\/span> \/\/ end track<\/span>\r\n    printf<\/span>(<\/span>\"<\/span>\\n<\/span>\"<\/span>);<\/span>\r\n    for<\/span> (<\/span>i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> sizeof<\/span>(<\/span>mcn<\/span>.<\/span>medium_catalog_number<\/span>);<\/span> i<\/span>++<\/span>)<\/span>\r\n        printf<\/span>(<\/span>\"mcn[%02d]    =%02x<\/span>\\n<\/span>\"<\/span>,<\/span> i<\/span>,<\/span> mcn<\/span>.<\/span>medium_catalog_number<\/span>[<\/span>i<\/span>]);<\/span>\r\n    printf<\/span>(<\/span>\"<\/span>\\n<\/span>\"<\/span>);<\/span>\r\n    for<\/span> (<\/span>i<\/span> =<\/span> 0<\/span>,<\/span> trk<\/span> =<\/span> header<\/span>.<\/span>cdth_trk0<\/span>;<\/span> trk<\/span> <=<\/span> header<\/span>.<\/span>cdth_trk1<\/span> +<\/span> 1<\/span>;<\/span> i<\/span>++<\/span>,<\/span> trk<\/span>++<\/span>)<\/span> {<\/span>\r\n        printf<\/span>(<\/span>\"track      =%02u<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_track<\/span>);<\/span>\r\n        printf<\/span>(<\/span>\"adr        =%02x<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_adr<\/span>);<\/span>\r\n        printf<\/span>(<\/span>\"ctrl       =%02x<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_ctrl<\/span>);<\/span>\r\n        printf<\/span>(<\/span>\"format     =%02x<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_format<\/span>);<\/span>\r\n        if<\/span> (<\/span>entry<\/span>[<\/span>i<\/span>].<\/span>cdte_format<\/span> ==<\/span> CDROM_LBA<\/span>)<\/span> {<\/span>    \/\/ CDROM_LBA<\/span>\r\n            printf<\/span>(<\/span>\"addr lba   =%d<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>lba<\/span>);<\/span>\r\n            printf<\/span>(<\/span>\"addr m     =%02u<\/span>\\n<\/span>\"<\/span>,<\/span> LBA2MIN<\/span>(<\/span>entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>lba<\/span>));<\/span>\r\n            printf<\/span>(<\/span>\"addr s     =%02u<\/span>\\n<\/span>\"<\/span>,<\/span> LBA2SEC<\/span>(<\/span>entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>lba<\/span>));<\/span>\r\n            printf<\/span>(<\/span>\"addr f     =%02u<\/span>\\n<\/span>\"<\/span>,<\/span> LBA2FRAME<\/span>(<\/span>entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>lba<\/span>));<\/span>\r\n        }<\/span> else<\/span> {<\/span>                \/\/ CDROM_MSF<\/span>\r\n            printf<\/span>(<\/span>\"addr lba   =%d<\/span>\\n<\/span>\"<\/span>,<\/span> MSF2LBA<\/span>(<\/span>entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>msf<\/span>.<\/span>minute<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>msf<\/span>.<\/span>second<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>msf<\/span>.<\/span>frame<\/span>));<\/span>\r\n            printf<\/span>(<\/span>\"addr m     =%02u<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>msf<\/span>.<\/span>minute<\/span>);<\/span>\r\n            printf<\/span>(<\/span>\"addr s     =%02u<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>msf<\/span>.<\/span>second<\/span>);<\/span>\r\n            printf<\/span>(<\/span>\"addr f     =%02u<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_addr<\/span>.<\/span>msf<\/span>.<\/span>frame<\/span>);<\/span>\r\n        }<\/span>\r\n        printf<\/span>(<\/span>\"datamode   =%02x<\/span>\\n<\/span>\"<\/span>,<\/span> entry<\/span>[<\/span>i<\/span>].<\/span>cdte_datamode<\/span>);<\/span>\r\n        printf<\/span>(<\/span>\"<\/span>\\n<\/span>\"<\/span>);<\/span>\r\n    }<\/span>\r\n\/\/  printf(\"%s: %d\\n\", __FUNCTION__, __LINE__);<\/span>\r\n\/\/ ----------------------------------------------------------------------------<\/span>\r\n    return<\/span> ret<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
PROGRAM<\/span>     =<\/span>   cdrom\r\nOBJS<\/span>        =<\/span>   cdrom.o\r\nCFLAGS<\/span>      =<\/span>   -Os<\/span> -Wall<\/span>\r\n\r\nall         <\/span>:<\/span>   $(PROGRAM)<\/span>\r\n\r\nclean       <\/span>:<\/span>;  rm -f *.o *~ $(PROGRAM)<\/span>\r\n\r\n$(PROGRAM)  <\/span>:<\/span>   $(OBJS)<\/span>\r\n                $(CC)<\/span> $(OBJS)<\/span> $(LDFLAGS)<\/span> $(LIBS)<\/span> -o<\/span> $(PROGRAM)<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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