82 	struct fn *fnp = MALLOC(sizeof (struct fn));  in fn_new()  local
84 	fnp->fn_n = -1;  in fn_new()
85 	bzero(&fnp->fn_stbuf, sizeof (fnp->fn_stbuf));  in fn_new()
86 	fnp->fn_next = NULL;  in fn_new()
94 		fnp->fn_buf = MALLOC(buflen);  in fn_new()
95 		fnp->fn_buflast = &fnp->fn_buf[buflen - 1];  in fn_new()
96 		(void) strlcpy(fnp->fn_buf, s, buflen);  in fn_new()
97 		fnp->fn_rptr = fnp->fn_buf;  in fn_new()
98 		fnp->fn_wptr = &fnp->fn_buf[len];  in fn_new()
101 		fnp->fn_buf = MALLOC(FN_MIN);  in fn_new()
102 		fnp->fn_buflast = &fnp->fn_buf[FN_MIN - 1];  in fn_new()
103 		*fnp->fn_buf = '\0';  in fn_new()
104 		fnp->fn_rptr = fnp->fn_buf;  in fn_new()
105 		fnp->fn_wptr = fnp->fn_buf;  in fn_new()
108 	return (fnp);  in fn_new()
115 fn_dup(struct fn *fnp)  in fn_dup()  argument
117 	struct fn *ret = fn_new(fn_s(fnp));  in fn_dup()
119 	ret->fn_n = fnp->fn_n;  in fn_dup()
120 	ret->fn_stbuf = fnp->fn_stbuf;  in fn_dup()
129 fn_dirname(struct fn *fnp)  in fn_dirname()  argument
135 	buf = fn_s(fnp);  in fn_dirname()
158 fn_setn(struct fn *fnp, int n)  in fn_setn()  argument
160 	fnp->fn_n = n;  in fn_setn()
172 fn_setstat(struct fn *fnp, struct stat *stp)  in fn_setstat()  argument
174 	fnp->fn_stbuf = *stp;  in fn_setstat()
181 fn_getstat(struct fn *fnp)  in fn_getstat()  argument
183 	return (&fnp->fn_stbuf);  in fn_getstat()
190 fn_free(struct fn *fnp)  in fn_free()  argument
192 	if (fnp) {  in fn_free()
193 		if (fnp->fn_buf)  in fn_free()
194 			FREE(fnp->fn_buf);  in fn_free()
195 		FREE(fnp);  in fn_free()
207 fn_renew(struct fn *fnp, const char *s)  in fn_renew()  argument
209 	fnp->fn_rptr = fnp->fn_wptr = fnp->fn_buf;  in fn_renew()
210 	fn_puts(fnp, s);  in fn_renew()
220 fn_putc(struct fn *fnp, int c)  in fn_putc()  argument
222 	if (fnp->fn_wptr >= fnp->fn_buflast) {  in fn_putc()
223 		int buflen = fnp->fn_buflast + 1 - fnp->fn_buf;  in fn_putc()
235 		src = fnp->fn_buf;  in fn_putc()
239 		while (src < fnp->fn_wptr)  in fn_putc()
241 		fnp->fn_rptr = &newbuf[fnp->fn_rptr - fnp->fn_buf];  in fn_putc()
242 		FREE(fnp->fn_buf);  in fn_putc()
243 		fnp->fn_buf = newbuf;  in fn_putc()
244 		fnp->fn_buflast = &fnp->fn_buf[buflen - 1];  in fn_putc()
245 		fnp->fn_wptr = dst;  in fn_putc()
247 	*fnp->fn_wptr++ = c;  in fn_putc()
248 	*fnp->fn_wptr = '\0';  in fn_putc()
255 fn_puts(struct fn *fnp, const char *s)  in fn_puts()  argument
259 		fn_putc(fnp, *s++);  in fn_puts()
266 fn_putfn(struct fn *fnp, struct fn *srcfnp)  in fn_putfn()  argument
272 		fn_putc(fnp, c);  in fn_putfn()
279 fn_rewind(struct fn *fnp)  in fn_rewind()  argument
281 	fnp->fn_rptr = fnp->fn_buf;  in fn_rewind()
288 fn_getc(struct fn *fnp)  in fn_getc()  argument
290 	if (fnp->fn_rptr > fnp->fn_buflast || *fnp->fn_rptr == '\0')  in fn_getc()
293 	return (*fnp->fn_rptr++);  in fn_getc()
300 fn_peekc(struct fn *fnp)  in fn_peekc()  argument
302 	if (fnp->fn_rptr > fnp->fn_buflast || *fnp->fn_rptr == '\0')  in fn_peekc()
305 	return (*fnp->fn_rptr);  in fn_peekc()
312 fn_s(struct fn *fnp)  in fn_s()  argument
314 	return (fnp->fn_buf);  in fn_s()
321 fn_isgz(struct fn *fnp)  in fn_isgz()  argument
326 	name = fnp->fn_buf;  in fn_isgz()
367 	struct fn *fnp;  in fn_list_dup()  local
370 	while ((fnp = fn_list_next(fnlp)) != NULL)  in fn_list_dup()
371 		fn_list_addfn(ret, fn_dup(fnp));  in fn_list_dup()
382 	struct fn *fnp;  in fn_list_free()  local
385 	while ((fnp = fn_list_next(fnlp)) != NULL)  in fn_list_free()
386 		fn_free(fnp);  in fn_list_free()
403 fn_list_addfn(struct fn_list *fnlp, struct fn *fnp)  in fn_list_addfn()  argument
405 	fnp->fn_next = NULL;  in fn_list_addfn()
407 		fnlp->fnl_first = fnlp->fnl_last = fnlp->fnl_rptr = fnp;  in fn_list_addfn()
409 		fnlp->fnl_last->fn_next = fnp;  in fn_list_addfn()
410 		fnlp->fnl_last = fnp;  in fn_list_addfn()
478 	struct fn *fnp = fnlp->fnl_first;  in fn_list_appendrange()  local
483 	while (fnp != NULL) {  in fn_list_appendrange()
484 		if (fnp == fnlp->fnl_last)  in fn_list_appendrange()
487 			nextfnp = fnp->fn_next;  in fn_list_appendrange()
491 			fn_putc(fnp, *ptr);  in fn_list_appendrange()
493 		fnp = nextfnp;  in fn_list_appendrange()
503 	struct fn *fnp;  in fn_list_totalsize()  local
507 	while ((fnp = fn_list_next(fnlp)) != NULL)  in fn_list_totalsize()
508 		ret += fnp->fn_stbuf.st_size;  in fn_list_totalsize()
523 	struct fn *fnp;  in fn_list_popoldest()  local
527 	while ((fnp = fn_list_next(fnlp)) != NULL)  in fn_list_popoldest()
529 			ret = fnp;  in fn_list_popoldest()
530 		else if (fnp->fn_n > ret->fn_n ||  in fn_list_popoldest()
531 		    (fnp->fn_n == ret->fn_n &&  in fn_list_popoldest()
532 		    (fnp->fn_stbuf.st_mtime < ret->fn_stbuf.st_mtime ||  in fn_list_popoldest()
533 		    ((fnp->fn_stbuf.st_mtime == ret->fn_stbuf.st_mtime &&  in fn_list_popoldest()
534 		    strcmp(fnp->fn_buf, ret->fn_buf) > 0)))))  in fn_list_popoldest()
535 			ret = fnp;  in fn_list_popoldest()
545 		while ((fnp = fn_list_next(fnlp)) != NULL) {  in fn_list_popoldest()
546 			if (fnp->fn_next == ret) {  in fn_list_popoldest()
547 				fnp->fn_next = ret->fn_next;  in fn_list_popoldest()
549 					fnlp->fnl_last = fnp;  in fn_list_popoldest()