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Annotation of 42BSD/ingres/source/monitor/edit.c, revision 1.1

1.1     ! root        1: # include      "monitor.h"
        !             2: # include      <ingres.h>
        !             3: # include      <aux.h>
        !             4: # include      <opsys.h>
        !             5: # include      <sccs.h>
        !             6: 
        !             7: SCCSID(@(#)edit.c      7.1     2/5/81)
        !             8: 
        !             9: 
        !            10: 
        !            11: /*
        !            12: **  CALL TEXT EDITOR
        !            13: **
        !            14: **     The UNIX text editor is called.  The actual call is to
        !            15: **     the macro {editor}.  If that fails, /bin/ed is called.
        !            16: **     This routine suppressed the autoclear function.
        !            17: **
        !            18: **     Uses trace flag 4
        !            19: */
        !            20: 
        !            21: edit()
        !            22: {
        !            23:        register int    i;
        !            24:        register char   *p;
        !            25:        register char   *editfile;
        !            26:        extern char     *getfilenm(), *macro();
        !            27: 
        !            28:        editfile = getfilenm();
        !            29:        if (*editfile == 0)
        !            30:                editfile = Qbname;
        !            31: 
        !            32:        Autoclear = 0;
        !            33:        fclose(Qryiop);
        !            34: 
        !            35:        /* FORK SENTRY PROCESS & INVOKE THE EDITOR */
        !            36:        if ((Xwaitpid = fork()) < 0)
        !            37:                syserr("edit: fork");
        !            38:        if (Xwaitpid == 0)
        !            39:        {
        !            40:                setuid(getuid());
        !            41: #              ifndef xB_UNIX
        !            42:                setgid(getgid());
        !            43: #              endif
        !            44:                for (i = 3; i < NOFILE; i++)
        !            45:                        close(i);
        !            46:                p = macro("{editor}");
        !            47:                if (p != 0)
        !            48:                {
        !            49:                        execl(p, p, editfile, 0);
        !            50:                        printf("Cannot call %s; using /bin/ed\n", p);
        !            51:                }
        !            52:                execl("/bin/ed", "ed", editfile, 0);
        !            53:                syserr("edit: exec");
        !            54:        }
        !            55: 
        !            56:        /* WAIT FOR SENTRY TO DIE */
        !            57:        if (Nodayfile >= 0)
        !            58:                printf(">>ed\n");
        !            59:        xwait();
        !            60: }

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