diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/bio/bss_null.c')
-rw-r--r-- | openssl-1.1.0h/crypto/bio/bss_null.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/bio/bss_null.c b/openssl-1.1.0h/crypto/bio/bss_null.c new file mode 100644 index 0000000..56f95f9 --- /dev/null +++ b/openssl-1.1.0h/crypto/bio/bss_null.c @@ -0,0 +1,83 @@ +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include <errno.h> +#include "bio_lcl.h" +#include "internal/cryptlib.h" + +static int null_write(BIO *h, const char *buf, int num); +static int null_read(BIO *h, char *buf, int size); +static int null_puts(BIO *h, const char *str); +static int null_gets(BIO *h, char *str, int size); +static long null_ctrl(BIO *h, int cmd, long arg1, void *arg2); +static const BIO_METHOD null_method = { + BIO_TYPE_NULL, + "NULL", + null_write, + null_read, + null_puts, + null_gets, + null_ctrl, + NULL, + NULL, + NULL, /* null_callback_ctrl */ +}; + +const BIO_METHOD *BIO_s_null(void) +{ + return (&null_method); +} + +static int null_read(BIO *b, char *out, int outl) +{ + return (0); +} + +static int null_write(BIO *b, const char *in, int inl) +{ + return (inl); +} + +static long null_ctrl(BIO *b, int cmd, long num, void *ptr) +{ + long ret = 1; + + switch (cmd) { + case BIO_CTRL_RESET: + case BIO_CTRL_EOF: + case BIO_CTRL_SET: + case BIO_CTRL_SET_CLOSE: + case BIO_CTRL_FLUSH: + case BIO_CTRL_DUP: + ret = 1; + break; + case BIO_CTRL_GET_CLOSE: + case BIO_CTRL_INFO: + case BIO_CTRL_GET: + case BIO_CTRL_PENDING: + case BIO_CTRL_WPENDING: + default: + ret = 0; + break; + } + return (ret); +} + +static int null_gets(BIO *bp, char *buf, int size) +{ + return (0); +} + +static int null_puts(BIO *bp, const char *str) +{ + if (str == NULL) + return (0); + return (strlen(str)); +} |