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Annotation of coherent/d/bin/dos/mdir.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Directory entry on an MS-DOS diskette. Used by file extraction program "dos"
                      3:  * and by the MS-DOS emulator.
                      4:  */
                      5: 
                      6: #ifdef _I386
                      7: #pragma align 1
                      8: #endif
                      9: typedef        struct  mdir    {
                     10:        unsigned char   m_name[8];      /* File name            */
                     11:        unsigned char   m_ext[3];       /* File extension       */
                     12:        unsigned char   m_attr;         /* File attribute       */
                     13:        unsigned char   m_junk[10];     /* Reserved             */
                     14:        unsigned short  m_time;         /* Sec/Min/Hour Creation*/
                     15:        unsigned short  m_date;         /* Day/Month/(Year-1980)*/
                     16:        short           m_cluster;      /* Starting cluster     */
                     17:        long            m_size;         /* File size in bytes   */
                     18: } MDIR;
                     19: #ifdef _I386
                     20: #pragma align
                     21: #endif
                     22: 
                     23: #define m_sec(z)       (unsigned short)((unsigned short)(z->m_time    ) & 0x1f)
                     24: #define m_min(z)       (unsigned short)((unsigned short)(z->m_time>>5)  & 0x3f)
                     25: #define m_hour(z)      (unsigned short)((unsigned short)(z->m_time>>11) & 0x1f)
                     26: 
                     27: #define m_day(z)       (unsigned short)((unsigned short)(z->m_date   ) &0x1f)
                     28: #define m_month(z)     (unsigned short)((unsigned short)(z->m_date>>5) &0xf)
                     29: #define m_year(z)      (unsigned short)((unsigned short)(z->m_date>>9) &0x7f)
                     30: 
                     31: #define c_sec(y)       (unsigned short)(y)
                     32: #define c_min(y)       ((unsigned short)(y)<<5)
                     33: #define c_hour(y)      ((unsigned short)(y)<<11)
                     34: 
                     35: #define c_day(y)       (unsigned short)(y)
                     36: #define c_month(y)     ((unsigned short)(y)<<5)
                     37: #define c_year(y)      ((unsigned short)(y)<<9)
                     38: 
                     39: 
                     40: /* Special values for m_name[0]. */
                     41: #define MFREE  (unsigned char)0x00             /* Never used           */
                     42: #define MMDIR  (unsigned char)0x2E             /* Directory file       */
                     43: #define        MEMPTY  (unsigned char)0xE5             /* Empty name           */
                     44: 
                     45: /* Attributes in m_attr. */
                     46: #define MRONLY 0x01                    /* Read only            */
                     47: #define        MHIDDEN 0x02                    /* Hidden file          */
                     48: #define        MSYSTEM 0x04                    /* System file          */
                     49: #define MVOLUME        0x08                    /* Volume identifier    */
                     50: #define MSUBDIR        0x10                    /* Sub directory        */
                     51: #define MARCHIV        0x20                    /* Archive bit          */

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