96 static int bio_new(BIO *bio);
97 static int bio_free(BIO *bio);
98 static int bio_read(BIO *bio, char *buf, int size);
99 static int bio_write(BIO *bio, const char *buf, int num);
100 static long bio_ctrl(BIO *bio, int cmd, long num, void *ptr);
101 static int bio_puts(BIO *bio, const char *str);
104 static void bio_destroy_pair(BIO *bio);
145 static int bio_new(BIO *bio)  in bio_new()  argument
157 	bio->ptr = b;  in bio_new()
162 static int bio_free(BIO *bio)  in bio_free()  argument
166 	if (bio == NULL)  in bio_free()
168 	b = bio->ptr;  in bio_free()
173 		bio_destroy_pair(bio);  in bio_free()
187 static int bio_read(BIO *bio, char *buf, int size_)  in bio_read()  argument
193 	BIO_clear_retry_flags(bio);  in bio_read()
195 	if (!bio->init)  in bio_read()
198 	b = bio->ptr;  in bio_read()
216 			BIO_set_retry_read(bio); /* buffer is empty */  in bio_read()
280 static ossl_ssize_t bio_nread0(BIO *bio, char **buf)  in bio_nread0()  argument
285 	BIO_clear_retry_flags(bio);  in bio_nread0()
287 	if (!bio->init)  in bio_nread0()
290 	b = bio->ptr;  in bio_nread0()
304 		return bio_read(bio, &dummy, 1); /* returns 0 or -1 */  in bio_nread0()
318 static ossl_ssize_t bio_nread(BIO *bio, char **buf, size_t num_)  in bio_nread()  argument
328 	available = bio_nread0(bio, buf);  in bio_nread()
334 	b = bio->ptr;  in bio_nread()
352 static int bio_write(BIO *bio, const char *buf, int num_)  in bio_write()  argument
358 	BIO_clear_retry_flags(bio);  in bio_write()
360 	if (!bio->init || buf == NULL || num == 0)  in bio_write()
363 	b = bio->ptr;		  in bio_write()
380 		BIO_set_retry_write(bio); /* buffer is full */  in bio_write()
431 static ossl_ssize_t bio_nwrite0(BIO *bio, char **buf)  in bio_nwrite0()  argument
437 	BIO_clear_retry_flags(bio);  in bio_nwrite0()
439 	if (!bio->init)  in bio_nwrite0()
442 	b = bio->ptr;		  in bio_nwrite0()
458 		BIO_set_retry_write(bio);  in bio_nwrite0()
479 static ossl_ssize_t bio_nwrite(BIO *bio, char **buf, size_t num_)  in bio_nwrite()  argument
489 	space = bio_nwrite0(bio, buf);  in bio_nwrite()
494 	b = bio->ptr;  in bio_nwrite()
503 static long bio_ctrl(BIO *bio, int cmd, long num, void *ptr)  in bio_ctrl()  argument
506 	struct bio_bio_st *b = bio->ptr;  in bio_ctrl()
550 		if (bio_make_pair(bio, other_bio))  in bio_ctrl()
560 		bio_destroy_pair(bio);  in bio_ctrl()
597 		ret = (long) bio_nread0(bio, ptr);  in bio_ctrl()
602 		ret = (long) bio_nread(bio, ptr, (size_t) num);  in bio_ctrl()
607 		ret = (long) bio_nwrite0(bio, ptr);  in bio_ctrl()
612 		ret = (long) bio_nwrite(bio, ptr, (size_t) num);  in bio_ctrl()
628 		ret = bio->shutdown;  in bio_ctrl()
632 		bio->shutdown = (int) num;  in bio_ctrl()
698 static int bio_puts(BIO *bio, const char *str)  in bio_puts()  argument
700 	return bio_write(bio, str, strlen(str));  in bio_puts()
757 static void bio_destroy_pair(BIO *bio)  in bio_destroy_pair()  argument
759 	struct bio_bio_st *b = bio->ptr;  in bio_destroy_pair()
770 			assert(peer_b->peer == bio);  in bio_destroy_pair()
779 			bio->init = 0;  in bio_destroy_pair()
841 size_t BIO_ctrl_get_write_guarantee(BIO *bio)  in BIO_ctrl_get_write_guarantee()  argument
843 	return BIO_ctrl(bio, BIO_C_GET_WRITE_GUARANTEE, 0, NULL);  in BIO_ctrl_get_write_guarantee()
846 size_t BIO_ctrl_get_read_request(BIO *bio)  in BIO_ctrl_get_read_request()  argument
848 	return BIO_ctrl(bio, BIO_C_GET_READ_REQUEST, 0, NULL);  in BIO_ctrl_get_read_request()
851 int BIO_ctrl_reset_read_request(BIO *bio)  in BIO_ctrl_reset_read_request()  argument
853 	return (BIO_ctrl(bio, BIO_C_RESET_READ_REQUEST, 0, NULL) != 0);  in BIO_ctrl_reset_read_request()
860 int BIO_nread0(BIO *bio, char **buf)  in BIO_nread0()  argument
864 	if (!bio->init)  in BIO_nread0()
870 	ret = BIO_ctrl(bio, BIO_C_NREAD0, 0, buf);  in BIO_nread0()
877 int BIO_nread(BIO *bio, char **buf, int num)  in BIO_nread()  argument
881 	if (!bio->init)  in BIO_nread()
887 	ret = (int) BIO_ctrl(bio, BIO_C_NREAD, num, buf);  in BIO_nread()
889 		bio->num_read += ret;  in BIO_nread()
893 int BIO_nwrite0(BIO *bio, char **buf)  in BIO_nwrite0()  argument
897 	if (!bio->init)  in BIO_nwrite0()
903 	ret = BIO_ctrl(bio, BIO_C_NWRITE0, 0, buf);  in BIO_nwrite0()
910 int BIO_nwrite(BIO *bio, char **buf, int num)  in BIO_nwrite()  argument
914 	if (!bio->init)  in BIO_nwrite()
920 	ret = BIO_ctrl(bio, BIO_C_NWRITE, num, buf);  in BIO_nwrite()
922 		bio->num_write += ret;  in BIO_nwrite()