169     struct loadedfile *lf;          /* loadedfile object, if any */  member
395 	struct loadedfile *lf;  in loadedfile_create()  local
397 	lf = bmake_malloc(sizeof(*lf));  in loadedfile_create()
398 	lf->path = (path == NULL ? "(stdin)" : path);  in loadedfile_create()
399 	lf->buf = NULL;  in loadedfile_create()
400 	lf->len = 0;  in loadedfile_create()
401 	lf->maplen = 0;  in loadedfile_create()
402 	lf->used = FALSE;  in loadedfile_create()
403 	return lf;  in loadedfile_create()
407 loadedfile_destroy(struct loadedfile *lf)  in loadedfile_destroy()  argument
409 	if (lf->buf != NULL) {  in loadedfile_destroy()
410 		if (lf->maplen > 0) {  in loadedfile_destroy()
412 			munmap(lf->buf, lf->maplen);  in loadedfile_destroy()
415 			free(lf->buf);  in loadedfile_destroy()
418 	free(lf);  in loadedfile_destroy()
428 	struct loadedfile *lf = x;  in loadedfile_nextbuf()  local
430 	if (lf->used) {  in loadedfile_nextbuf()
433 	lf->used = TRUE;  in loadedfile_nextbuf()
434 	*len = lf->len;  in loadedfile_nextbuf()
435 	return lf->buf;  in loadedfile_nextbuf()
484 	struct loadedfile *lf;  in loadfile()  local
491 	lf = loadedfile_create(path);  in loadfile()
508 	if (load_getsize(fd, &lf->len) == SUCCESS) {  in loadfile()
515 		lf->maplen = pagesize * ((lf->len + pagesize - 1)/pagesize);  in loadfile()
522 		if (lf->maplen == 0) {  in loadfile()
523 			lf->maplen = pagesize;  in loadfile()
530 		lf->buf = mmap(NULL, lf->maplen, PROT_READ|PROT_WRITE,  in loadfile()
532 		if (lf->buf != MAP_FAILED) {  in loadfile()
534 			if (lf->len == lf->maplen && lf->buf[lf->len - 1] != '\n') {  in loadfile()
535 				char *b = malloc(lf->len + 1);  in loadfile()
536 				b[lf->len] = '\n';  in loadfile()
537 				memcpy(b, lf->buf, lf->len++);  in loadfile()
538 				munmap(lf->buf, lf->maplen);  in loadfile()
539 				lf->maplen = 0;  in loadfile()
540 				lf->buf = b;  in loadfile()
548 	lf->maplen = 0;  in loadfile()
549 	lf->len = 1024;  in loadfile()
550 	lf->buf = bmake_malloc(lf->len);  in loadfile()
554 		assert(bufpos <= lf->len);  in loadfile()
555 		if (bufpos == lf->len) {  in loadfile()
556 			lf->len *= 2;  in loadfile()
557 			lf->buf = bmake_realloc(lf->buf, lf->len);  in loadfile()
559 		result = read(fd, lf->buf + bufpos, lf->len - bufpos);  in loadfile()
569 	assert(bufpos <= lf->len);  in loadfile()
570 	lf->len = bufpos;  in loadfile()
573 	if (lf->len > 0) {  in loadfile()
574 		lf->buf = bmake_realloc(lf->buf, lf->len);  in loadfile()
583 	return lf;  in loadfile()
2084     struct loadedfile *lf;  in Parse_include_file()  local
2176     lf = loadfile(fullname, fd);  in Parse_include_file()
2179     Parse_SetInput(fullname, 0, -1, loadedfile_nextbuf, lf);  in Parse_include_file()
2180     curFile->lf = lf;  in Parse_include_file()
2358     curFile->lf = NULL;  in Parse_SetInput()
2529     if (curFile->lf != NULL) {  in ParseEOF()
2530 	    loadedfile_destroy(curFile->lf);  in ParseEOF()
2531 	    curFile->lf = NULL;  in ParseEOF()
2845     struct loadedfile *lf;  in Parse_File()  local
2847     lf = loadfile(name, fd);  in Parse_File()
2856     Parse_SetInput(name, 0, -1, loadedfile_nextbuf, lf);  in Parse_File()
2857     curFile->lf = lf;  in Parse_File()