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Annotation of 43BSDTahoe/usr.bin/refer/glue3.c, revision 1.1.1.1

1.1       root        1: #ifndef lint
                      2: static char *sccsid = "@(#)glue3.c     4.2 (Berkeley) 4/24/88";
                      3: #endif
                      4: 
                      5: #include "refer..c"
                      6: #define move(x, y) close(y); dup(x); close(x);
                      7: 
                      8: corout(in, out, rprog, arg, outlen)
                      9: char *in, *out, *rprog;
                     10: {
                     11:        int pipev[2], fr1, fr2, fw1, fw2, n;
                     12: 
                     13:        if (strcmp (rprog, "hunt") ==0)
                     14:                return(callhunt(in, out, arg, outlen));
                     15:        if (strcmp (rprog, "deliv")==0)
                     16:                return(dodeliv(in, out, arg, outlen));
                     17:        pipe (pipev); 
                     18:        fr1= pipev[0]; 
                     19:        fw1 = pipev[1];
                     20:        pipe (pipev); 
                     21:        fr2= pipev[0]; 
                     22:        fw2 = pipev[1];
                     23:        if (fork()==0)
                     24:        {
                     25:                close (fw1); 
                     26:                close (fr2);
                     27:                move (fr1, 0);
                     28:                move (fw2, 1);
                     29:                if (rprog[0]!= '/')
                     30:                        chdir("/usr/lib/refer");
                     31:                execl(rprog, "deliv", arg, 0);
                     32:                err ("Can't run %s", rprog);
                     33:        }
                     34:        close(fw2); 
                     35:        close(fr1);
                     36:        write (fw1, in , strlen(in));
                     37:        close(fw1);
                     38:        wait(0);
                     39:        n = read (fr2, out, outlen);
                     40:        out[n]=0;
                     41:        close(fr2);
                     42: }
                     43: 
                     44: # define ALEN 50
                     45: 
                     46: callhunt(in, out, arg, outlen)
                     47: char *in, *out, *arg;
                     48: {
                     49:        char *argv[20], abuff[ALEN];
                     50:        extern int typeindex;
                     51:        int argc;
                     52:        extern char one[];
                     53:        extern int onelen;
                     54:        argv[0] = "hunt";
                     55:        argv[1] = "-i";
                     56:        argv[2] = in;
                     57:        argv[3] = "-t";
                     58:        argv[4] = out;
                     59:        argv[5] = (char *)outlen;       /* Horrid kludge, see option parsing
                     60:                                           in huntmain() in glue1.c. */
                     61:        argv[6] = "-T";
                     62:        argv[7] = "-F1";
                     63:        argv[8] = "-o";
                     64:        argv[9] = one;
                     65:        argv[10] = (char *)onelen;              /* Horrid kludge again */
                     66:        argv[11] = abuff; 
                     67:        strcpy (abuff,arg);
                     68:        if (strlen(abuff) > ALEN)
                     69:                err("abuff not big enough %d", strlen(abuff));
                     70:        argc = 6;
                     71:        huntmain (argc,argv);
                     72:        return(0);
                     73: }
                     74: 
                     75: dodeliv(in, out, arg, outlen)
                     76: char *in, *out, *arg;
                     77: {
                     78: # if D1
                     79:        fprintf(stderr, "in dodeliv, arg /%s/\n", arg?arg:"");
                     80: # endif
                     81:        if (arg && arg[0])
                     82:                chdir(arg);
                     83:        findline(in, out, outlen, 0L);
                     84:        restodir();
                     85: }

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