65 	register Shell_t *shp = ((Shbltin_t*)extra)->shp;  in b_read()  local
66 	long timeout = 1000*shp->st.tmout;  in b_read()
108 		if((fd = shp->cpipe[0])<=0)  in b_read()
144 	if(!((r=shp->fdstatus[fd])&IOREAD)  || !(r&(IOSEEK|IONOSEEK)))  in b_read()
145 		r = sh_iocheckfd(shp,fd);  in b_read()
164 	shp->prompt = default_prompt;  in b_read()
165 	if(r && (shp->prompt=(char*)sfreserve(sfstderr,r,SF_LOCKR)))  in b_read()
167 		memcpy(shp->prompt,name,r);  in b_read()
168 		sfwrite(sfstderr,shp->prompt,r-1);  in b_read()
170 	shp->timeout = 0;  in b_read()
171 	save_prompt = shp->nextprompt;  in b_read()
172 	shp->nextprompt = 0;  in b_read()
173 	r=sh_readline(shp,argv,fd,flags,timeout);  in b_read()
174 	shp->nextprompt = save_prompt;  in b_read()
175 	if(r==0 && (r=(sfeof(shp->sftable[fd])||sferror(shp->sftable[fd]))))  in b_read()
177 		if(fd == shp->cpipe[0])  in b_read()
179 			sh_pclose(shp->cpipe);  in b_read()
183 	sfclrerr(shp->sftable[fd]);  in b_read()
204 int sh_readline(register Shell_t *shp,char **names, int fd, int flags,long timeout)  in sh_readline()  argument
227 	if(!(iop=shp->sftable[fd]) && !(iop=sh_iostream(shp,fd)))  in sh_readline()
235 		np = nv_open(name,shp->var_tree,NV_NOASSIGN|NV_VARNAME);  in sh_readline()
238 		if((flags&V_FLAG) && shp->ed_context)  in sh_readline()
239 			((struct edit*)shp->ed_context)->e_default = np;  in sh_readline()
261 		if(dtvnext(shp->var_tree) || shp->namespace)  in sh_readline()
262                 	np = nv_open(nv_name(REPLYNOD),shp->var_tree,0);  in sh_readline()
272 		if(shp->fdstatus[fd]&IOTTY)  in sh_readline()
280 		ifs = nv_getval(mp=sh_scoped(shp,IFSNOD));  in sh_readline()
281 		if((flags&R_FLAG) && shp->ifstable['\\']==S_ESC)  in sh_readline()
282 			shp->ifstable['\\'] = 0;  in sh_readline()
283 		else if(!(flags&R_FLAG) && shp->ifstable['\\']==0)  in sh_readline()
284 			shp->ifstable['\\'] = S_ESC;  in sh_readline()
285 		shp->ifstable[delim] = S_NL;  in sh_readline()
288 			shp->ifstable['\n'] = 0;  in sh_readline()
291 		shp->ifstable[0] = S_EOF;  in sh_readline()
310 	if(timeout || (shp->fdstatus[fd]&(IOTTY|IONOSEEK)))  in sh_readline()
453 	if((flags&S_FLAG) && !shp->hist_ptr)  in sh_readline()
455 		sh_histinit((void*)shp);  in sh_readline()
456 		if(!shp->hist_ptr)  in sh_readline()
469 			sfwrite(shp->hist_ptr->histfp,(char*)cp,c);  in sh_readline()
470 		c = shp->ifstable[*cp++];  in sh_readline()
476 				c = shp->ifstable[*cp++];  in sh_readline()
482 				while((c=shp->ifstable[*--cpmax])==S_DELIM || c==S_SPACE);  in sh_readline()
500 	shp->nextprompt = 2;  in sh_readline()
528 			if((c = shp->ifstable[*cp++]) == S_NL)  in sh_readline()
555 			c = shp->ifstable[*cp++];  in sh_readline()
570 						sfwrite(shp->hist_ptr->histfp,(char*)cp,c);  in sh_readline()
572 					c = shp->ifstable[*cp++];  in sh_readline()
584 			while((c=shp->ifstable[*cp++])==S_SPACE);  in sh_readline()
610 				while((c=shp->ifstable[*cp++])==S_SPACE);  in sh_readline()
625 				while((c=shp->ifstable[*cp++])==0)  in sh_readline()
654 			while(shp->ifstable[*--vp]==S_SPACE);  in sh_readline()
660 					while(shp->ifstable[*--vp]==S_SPACE);  in sh_readline()
695 				np = nv_open(name,shp->var_tree,NV_NOASSIGN|NV_VARNAME);  in sh_readline()
714 	if(timeout || (shp->fdstatus[fd]&(IOTTY|IONOSEEK)))  in sh_readline()
721 	if((flags>>D_FLAG) && (shp->fdstatus[fd]&IOTTY))  in sh_readline()
724 		hist_flush(shp->hist_ptr);  in sh_readline()
726 		siglongjmp(*shp->jmplist,jmpval);  in sh_readline()