plan9port

fork of plan9port with libvec, libstr and libsdb
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translate.c (804B)


      1 #include "common.h"
      2 #include "send.h"
      3 
      4 /* pipe an address through a command to translate it */
      5 extern dest *
      6 translate(dest *dp)
      7 {
      8 	process *pp;
      9 	String *line;
     10 	dest *rv;
     11 	char *cp;
     12 	int n;
     13 
     14 	pp = proc_start(s_to_c(dp->repl1), (stream *)0, outstream(), outstream(), 1, 0);
     15 	if (pp == 0) {
     16 		dp->status = d_resource;
     17 		return 0;
     18 	}
     19 	line = s_new();
     20 	for(;;) {
     21 		cp = Brdline(pp->std[1]->fp, '\n');
     22 		if(cp == 0)
     23 			break;
     24 		if(strncmp(cp, "_nosummary_", 11) == 0){
     25 			nosummary = 1;
     26 			continue;
     27 		}
     28 		n = Blinelen(pp->std[1]->fp);
     29 		cp[n-1] = ' ';
     30 		s_nappend(line, cp, n);
     31 	}
     32 	rv = s_to_dest(s_restart(line), dp);
     33 	s_restart(line);
     34 	while(s_read_line(pp->std[2]->fp, line))
     35 		;
     36 	if ((dp->pstat = proc_wait(pp)) != 0) {
     37 		dp->repl2 = line;
     38 		rv = 0;
     39 	} else
     40 		s_free(line);
     41 	proc_free(pp);
     42 	return rv;
     43 }