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Annotation of researchv10no/cmd/dist/lib/lib.h, revision 1.1

1.1     ! root        1: #define MAXLINE 256
        !             2: #define MAXNAME 20
        !             3: 
        !             4: struct tarbuf {
        !             5:        char name[100];         /* strncpy format */
        !             6:        char mode[8];           /* octal NUL-terminated */
        !             7:        char uid[8];            /* octal */
        !             8:        char gid[8];            /* octal */
        !             9:        char size[12];          /* octal */
        !            10:        char mtime[12];         /* octal */
        !            11:        char chksum[8];         /* octal sum of header bytes; set to
        !            12:                                   blanks while computing chksum */
        !            13:        char typeflag[1];       /* see below */
        !            14:        char linkname[100];     /* strncpy */
        !            15:        char magic[6];          /* see below */
        !            16:        char version[2];        /* see below */
        !            17:        char uname[32];         /* strcpy format */
        !            18:        char gname[32];         /* strcpy */
        !            19:        char devmajor[8];       /* octal */
        !            20:        char devminor[8];       /* octal */
        !            21:        char prefix[155];       /* strncpy */
        !            22:        char zeropad[12];
        !            23: };
        !            24: 
        !            25: #define TSIZE (sizeof (struct tarbuf))
        !            26: 
        !            27: #define TMAGIC "ustar"         /* ustar\0 */
        !            28: #define TMAGLEN 6
        !            29: #define TVERSION "00"          /* strncpy, n == 2 */
        !            30: #define TVERSLEN 2
        !            31: 
        !            32: /* typeflag values */
        !            33: #define AREGTYPE '\0'          /* historical regular file */
        !            34: #define REGTYPE '0'            /* regular file */
        !            35: #define LNKTYPE '1'            /* hard link */
        !            36: #define SYMTYPE '2'            /* reserved (symbolic link) */
        !            37: #define CHRTYPE '3'            /* character special */
        !            38: #define BLKTYPE '4'            /* block special */
        !            39: #define DIRTYPE '5'            /* directory */
        !            40: #define FIFOTYPE '6'           /* fifo special */
        !            41: #define CONTTYPE '7'           /* reserved (socket?) */
        !            42: 
        !            43: /* mode bits */
        !            44: #define TSUID 04000            /* set user id on execution */
        !            45: #define TSGID 02000            /* set group id on execution */
        !            46: #define TSVTX 01000            /* reserved */
        !            47: #define TUREAD 00400           /* read by owner */
        !            48: #define TUWRITE 00200          /* write by owner */
        !            49: #define TUEXEC 00100           /* exec/search by owner */
        !            50: #define TGREAD 00040           /* read by group */
        !            51: #define TGWRITE 00020          /* write by group */
        !            52: #define TGEXEC 00010           /* exec/search by group */
        !            53: #define TOREAD 00004           /* read by other */
        !            54: #define TOWRITE 00002          /* write by other */
        !            55: #define TOEXEC 00001           /* exec/search by other */
        !            56: #define TMASK 07777            /* mask of all bits (not in POSIX) */
        !            57: 
        !            58: #define TNAMEMAX 256
        !            59: #define TLINKMAX 100
        !            60: #define TUGNAMEMAX 31
        !            61: 
        !            62: /* incore equivalent of a tar buffer */
        !            63: struct tarhdr {
        !            64:        char name[TNAMEMAX + 1];
        !            65:        int mode;
        !            66:        int uid;
        !            67:        int gid;
        !            68:        long size;
        !            69:        time_t mtime;
        !            70:        char typeflag;
        !            71:        char linkname[TLINKMAX + 1];
        !            72:        char uname[TUGNAMEMAX + 1];
        !            73:        char gname[TUGNAMEMAX + 1];
        !            74:        int devmajor;
        !            75:        int devminor;
        !            76: };
        !            77: 
        !            78: /* system dependent */
        !            79: extern void canonsys(char *sys, char cansys[]);
        !            80: extern int lcreat(char *name, int mode);
        !            81: 
        !            82: /* chat.c */
        !            83: extern int getline(char line[]);
        !            84: extern long fdcopy(int dfd, int sfd, long size, unsigned long *crc);
        !            85: extern int recvfile(int fd);
        !            86: extern int sendfile(int fd);
        !            87: 
        !            88: /* chkperm.c */
        !            89: extern int chkperm(int fd);
        !            90: 
        !            91: /* crc.c */
        !            92: extern void crcinit(int *aux);
        !            93: extern unsigned long crcincr(unsigned char *, size_t, unsigned long, int *);
        !            94: 
        !            95: /* id.c */
        !            96: extern int gidnum(char *);
        !            97: extern char *gidstr(int);
        !            98: extern int uidnum(char *);
        !            99: extern char *uidstr(int);
        !           100: 
        !           101: /* print.c */
        !           102: extern char *prog;
        !           103: extern void openlog(char *logfile);
        !           104: extern void eprintf(char *fmt, ...);
        !           105: extern void lprintf(char *fmt, ...);
        !           106: 
        !           107: /* quote.c */
        !           108: void quote(char *qs, char *us);
        !           109: void unquote(char *us, char *qs);
        !           110: 
        !           111: /* scanq.c */
        !           112: extern void scanq(char *remsys, void (*func)(char *, int, char *));
        !           113: 
        !           114: /* sub.c */
        !           115: struct sub {
        !           116:        char *ostr;
        !           117:        char *nstr;
        !           118:        struct sub *next;
        !           119: };
        !           120: 
        !           121: extern void addsub(struct sub **, char *, char *);
        !           122: extern int sub(struct sub **, int, char [], int);
        !           123: 
        !           124: /* tarhdr.c */
        !           125: extern int thdrget(struct tarhdr *hdr, struct tarbuf *buf);
        !           126: extern int thdrput(struct tarbuf *buf, struct tarhdr *hdr);
        !           127: 
        !           128: /* tryperm.c */
        !           129: extern int tryperm(int fd);
        !           130: 
        !           131: /* util.c */
        !           132: extern void *xmalloc(size_t);
        !           133: extern void *xrealloc(void *, size_t);
        !           134: extern char *xstrdup(char *);
        !           135: extern long fpcopy(FILE *, FILE *, long);
        !           136: extern void discard(FILE *, long);

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