4 /*-
109     if (sl->tlist <= sl->nlist) {  in tw_str_add()
111 	sl->tlist += TW_INCR;  in tw_str_add()
112 	sl->list = xrealloc(sl->list, sl->tlist * sizeof(Char *));  in tw_str_add()
115     if (sl->tbuff <= sl->nbuff + len) {  in tw_str_add()
118 	ptr = sl->buff;  in tw_str_add()
120 	sl->tbuff += TW_INCR + len;  in tw_str_add()
121 	sl->buff = xrealloc(sl->buff, sl->tbuff * sizeof(Char));  in tw_str_add()
122 	/* Re-thread the new pointer list, if changed */  in tw_str_add()
123 	if (ptr != NULL && ptr != sl->buff) {  in tw_str_add()
124 	    for (i = 0; i < sl->nlist; i++)  in tw_str_add()
125 		sl->list[i] = sl->buff + (sl->list[i] - ptr);  in tw_str_add()
129     ptr = sl->list[sl->nlist++] = &sl->buff[sl->nbuff];  in tw_str_add()
130     sl->nbuff += len;  in tw_str_add()
142     if (sl->list) {  in tw_str_free()
143 	xfree(sl->list);  in tw_str_free()
144 	sl->list = NULL;  in tw_str_free()
145 	sl->tlist = sl->nlist = 0;  in tw_str_free()
147     if (sl->buff) {  in tw_str_free()
148 	xfree(sl->buff);  in tw_str_free()
149 	sl->buff = NULL;  in tw_str_free()
150 	sl->tbuff = sl->nbuff = 0;  in tw_str_free()
165 	Strbuf_append(res, str2short(dirp->d_name));  in tw_dir_next()
211     if (v == NULL || v->vec == NULL) /* if no path */  in tw_cmd_cmd()
214     for (pv = v->vec; *pv; pv++) {  in tw_cmd_cmd()
230 	    /* Turn foo.{exe,com,bat} into foo since UWIN's readdir returns  in tw_cmd_cmd()
231 	     * the file with the .exe, .com, .bat extension  in tw_cmd_cmd()
235 	    len = strlen(dp->d_name);  in tw_cmd_cmd()
236 	    if (len > 4 && (strcmp(&dp->d_name[len - 4], ".exe") == 0 ||  in tw_cmd_cmd()
238 		strcmp(&dp->d_name[len - 4], ".bat") == 0 ||  in tw_cmd_cmd()
240 		strcmp(&dp->d_name[len - 4], ".com") == 0))  in tw_cmd_cmd()
241 		dp->d_name[len - 4] = '\0';  in tw_cmd_cmd()
244 	    name = str2short(dp->d_name);  in tw_cmd_cmd()
245 	    if (dp->d_ino == 0 || (recexec && !executable(dir, name, 0)))  in tw_cmd_cmd()
248             if (name[0] == '#' ||	/* emacs temp files	*/  in tw_cmd_cmd()
250 		name[len - 1] == '~' ||	/* emacs backups	*/  in tw_cmd_cmd()
251 		name[len - 1] == '%')	/* textedit backups	*/  in tw_cmd_cmd()
269 	if (bptr->bname)  in tw_cmd_builtin()
270 	    tw_cmd_add(str2short(bptr->bname));  in tw_cmd_builtin()
273 	if (bptr->bname)  in tw_cmd_builtin()
274 	    tw_cmd_add(str2short(bptr->bname));  in tw_cmd_builtin()
290 	while (p->v_left)  in tw_cmd_alias()
291 	    p = p->v_left;  in tw_cmd_alias()
293 	if (p->v_parent == 0) /* is it the header? */  in tw_cmd_alias()
295 	if (p->v_name)  in tw_cmd_alias()
296 	    tw_cmd_add(p->v_name);  in tw_cmd_alias()
297 	if (p->v_right) {  in tw_cmd_alias()
298 	    p = p->v_right;  in tw_cmd_alias()
303 	    p = p->v_parent;  in tw_cmd_alias()
304 	} while (p->v_right == c);  in tw_cmd_alias()
327 	    tw_cmd.list[i - fwd] = tw_cmd.list[i];  in tw_cmd_sort()
329     /* Fix fencepost error -- Theodore Ts'o <tytso@athena.mit.edu> */  in tw_cmd_sort()
331 	tw_cmd.list[i - fwd] = tw_cmd.list[i];  in tw_cmd_sort()
332     tw_cmd.nlist -= fwd;  in tw_cmd_sort()
372 	if (vp && vp->vec)  in tw_cmd_start()
373 	    tw_cmd_state.pathv = vp->vec;  in tw_cmd_start()
402 	    (res->len = 0, ret = tw_dir_next(res, tw_cmd_state.dfd)) == 0) &&  in tw_cmd_next()
410 	    res->len = 0;  in tw_cmd_next()
417 	    dir->len = 0;  in tw_cmd_next()
445 	while (tw_vptr->v_left)  in tw_vptr_start()
446 	    tw_vptr = tw_vptr->v_left;  in tw_vptr_start()
448 	if (tw_vptr->v_parent == 0) {	/* is it the header? */  in tw_vptr_start()
452 	if (tw_vptr->v_name)  in tw_vptr_start()
454 	if (tw_vptr->v_right) {  in tw_vptr_start()
455 	    tw_vptr = tw_vptr->v_right;  in tw_vptr_start()
460 	    tw_vptr = tw_vptr->v_parent;  in tw_vptr_start()
461 	} while (tw_vptr->v_right == c);  in tw_vptr_start()
482     Strbuf_append(res, p->v_name); /* we know that this name is here now */  in tw_shvar_next()
486 	if (p->v_right) {	/* if we can go right */  in tw_shvar_next()
487 	    p = p->v_right;  in tw_shvar_next()
488 	    while (p->v_left)  in tw_shvar_next()
489 		p = p->v_left;  in tw_shvar_next()
494 		p = p->v_parent;  in tw_shvar_next()
495 	    } while (p->v_right == c);  in tw_shvar_next()
497 	if (p->v_parent == 0) {	/* is it the header? */  in tw_shvar_next()
501 	if (p->v_name) {  in tw_shvar_next()
524     Strbuf_appendn(res, *tw_env, ps - *tw_env);  in tw_envvar_next()
634     Strbuf_append(res, str2short(pw->pw_name));  in tw_logname_next()
704     Strbuf_append(res, str2short(gr->gr_name));  in tw_grpname_next()
734 	tw_env = vp->vec;  in tw_file_start()
754 	    dir->len = 0;  in tw_file_next()
804     p = tw_str_add(&tw_item, s->len + 1);  in tw_item_add()
805     Strcpy(p, s->s);  in tw_item_add()
836 	tw_env = tw_vptr->vec;  in tw_vl_start()
875     Strbuf_appendn(res, p, tw_word - p);  in tw_wl_next()
904     if (tw_bind && tw_bind->name) {  in tw_bind_next()
907 	for (ptr = tw_bind->name; *ptr != '\0'; ptr++)  in tw_bind_next()
941     if (tw_limit && tw_limit->limname) {  in tw_limit_next()
944 	for (ptr = tw_limit->limname; *ptr != '\0'; ptr++)  in tw_limit_next()
1016 	for (j = proclist.p_next; j != NULL; j = j->p_next)  in tw_job_next()
1017 	    if (j->p_index == tw_index && j->p_procid == j->p_jobid)  in tw_job_next()
1021 	Strbuf_append(res, j->p_command);  in tw_job_next()