usr/src/bin/sh/defs.h

/*      defs.h  4.4     85/03/19        */

#
/*
 *      UNIX shell
 */

/* error exits from various parts of shell */
#define ERROR   1
#define SYNBAD  2
#define SIGFAIL 3
#define SIGFLG  0200

/* command tree */
#define FPRS    020
#define FINT    040
#define FAMP    0100
#define FPIN    0400
#define FPOU    01000
#define FPCL    02000
#define FCMD    04000
#define COMMSK  017

#define TCOM    0
#define TPAR    1
#define TFIL    2
#define TLST    3
#define TIF     4
#define TWH     5
#define TUN     6
#define TSW     7
#define TAND    8
#define TORF    9
#define TFORK   10
#define TFOR    11

/* execute table */
#define SYSSET  1
#define SYSCD   2
#define SYSEXEC 3
#define SYSLOGIN 4
#define SYSTRAP 5
#define SYSEXIT 6
#define SYSSHFT 7
#define SYSWAIT 8
#define SYSCONT 9
#define SYSBREAK 10
#define SYSEVAL 11
#define SYSDOT  12
#define SYSRDONLY 13
#define SYSTIMES 14
#define SYSXPORT 15
#define SYSNULL 16
#define SYSREAD 17
#define SYSTST  18
#define SYSUMASK        19

/* used for input and output of shell */
#define INIO 10
#define OTIO 11

/*io nodes*/
#define USERIO  10
#define IOUFD   15
#define IODOC   16
#define IOPUT   32
#define IOAPP   64
#define IOMOV   128
#define IORDW   256
#define INPIPE  0
#define OTPIPE  1

/* arg list terminator */
#define ENDARGS 0

#include        "mac.h"
#include        "mode.h"
#include        "name.h"


/* result type declarations */
#define alloc malloc
ADDRESS         alloc();
VOID            addblok();
STRING          make();
STRING          movstr();
TREPTR          cmd();
TREPTR          makefork();
NAMPTR          lookup();
VOID            setname();
VOID            setargs();
DOLPTR          useargs();
REAL            expr();
STRING          catpath();
STRING          getpath();
STRING          *scan();
STRING          mactrim();
STRING          macro();
STRING          execs();
VOID            await();
VOID            post();
STRING          copyto();
VOID            exname();
STRING          staknam();
VOID            printnam();
VOID            printflg();
VOID            prs();
VOID            prc();
VOID            setupenv();
STRING          *setenv();

#define attrib(n,f)     (n->namflg |= f)
#define round(a,b)      (((int)((ADR(a)+b)-1))&~((b)-1))
#define closepipe(x)    (close(x[INPIPE]), close(x[OTPIPE]))
#define eq(a,b)         (cf(a,b)==0)
#define max(a,b)        ((a)>(b)?(a):(b))
#define assert(x)       ;

/* temp files and io */
UFD             output;
INT             ioset;
IOPTR           iotemp;         /* files to be deleted sometime */
IOPTR           iopend;         /* documents waiting to be read at NL */

/* substitution */
INT             dolc;
STRING          *dolv;
DOLPTR          argfor;
ARGPTR          gchain;

/* stack */
#define         BLK(x)  ((BLKPTR)(x))
#define         BYT(x)  ((BYTPTR)(x))
#define         STK(x)  ((STKPTR)(x))
#define         ADR(x)  ((char*)(x))

/* stak stuff */
#include        "stak.h"

/* string constants */
MSG             atline;
MSG             readmsg;
MSG             colon;
MSG             minus;
MSG             nullstr;
MSG             sptbnl;
MSG             unexpected;
MSG             endoffile;
MSG             synmsg;

/* name tree and words */
SYSTAB          reserved;
INT             wdval;
INT             wdnum;
ARGPTR          wdarg;
INT             wdset;
BOOL            reserv;

/* prompting */
MSG             stdprompt;
MSG             supprompt;
MSG             profile;

/* built in names */
NAMNOD          fngnod;
NAMNOD          ifsnod;
NAMNOD          homenod;
NAMNOD          mailnod;
NAMNOD          pathnod;
NAMNOD          ps1nod;
NAMNOD          ps2nod;

/* special names */
MSG             flagadr;
STRING          cmdadr;
STRING          exitadr;
STRING          dolladr;
STRING          pcsadr;
STRING          pidadr;

MSG             defpath;

/* names always present */
MSG             mailname;
MSG             homename;
MSG             pathname;
MSG             fngname;
MSG             ifsname;
MSG             ps1name;
MSG             ps2name;

/* transput */
CHAR            tmpout[];
STRING          tmpnam;
INT             serial;
#define         TMPNAM 7
FILE            standin;
#define input   (standin->fdes)
#define eof     (standin->feof)
INT             peekc;
STRING          comdiv;
MSG             devnull;

/* flags */
#define         noexec  01
#define         intflg  02
#define         prompt  04
#define         setflg  010
#define         errflg  020
#define         ttyflg  040
#define         forked  0100
#define         oneflg  0200
#define         rshflg  0400
#define         waiting 01000
#define         stdflg  02000
#define         execpr  04000
#define         readpr  010000
#define         keyflg  020000
#define         batchflg        040000
INT             flags;

/* error exits from various parts of shell */
#include        <setjmp.h>
jmp_buf         subshell;
jmp_buf         errshell;
jmp_buf         INTbuf;

/* fault handling */
#include        "brkincr.h"
POS             brkincr;

#define MINTRAP 0
#define MAXTRAP 32

#define INTR    2
#define QUIT    3
#define MEMF    11
#define ALARM   14
#define KILL    15
#define TRAPSET 2
#define SIGSET  4
#define SIGMOD  8

VOID            fault();
BOOL            trapnote;
STRING          trapcom[];
BOOL            trapflg[];
BOOL            trapjmp[];

/* name tree and words */
STRING          *environ;
CHAR            numbuf[];
MSG             export;
MSG             readonly;

/* execflgs */
INT             exitval;
BOOL            execbrk;
INT             loopcnt;
INT             breakcnt;

/* messages */
MSG             mailmsg;
MSG             coredump;
MSG             badopt;
MSG             badparam;
MSG             badsub;
MSG             nospace;
MSG             notfound;
MSG             badtrap;
MSG             baddir;
MSG             badshift;
MSG             illegal;
MSG             restricted;
MSG             execpmsg;
MSG             notid;
MSG             wtfailed;
MSG             badcreate;
MSG             piperr;
MSG             badopen;
MSG             badnum;
MSG             arglist;
MSG             txtbsy;
MSG             toobig;
MSG             badexec;
MSG             notfound;
MSG             badfile;

address end[];

#include        "ctype.h"