mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
208fb891e3
unified them. - return (0); -> return 0; - return (1); -> return 1; - return (-1); -> return -1; Reviewed-by: Stephen Henson <steve@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/4500)
105 lines
2.1 KiB
C
105 lines
2.1 KiB
C
/*
|
|
* Copyright 1995-2016 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 int null_new(BIO *h);
|
|
static int null_free(BIO *data);
|
|
static const BIO_METHOD null_method = {
|
|
BIO_TYPE_NULL,
|
|
"NULL",
|
|
/* TODO: Convert to new style write function */
|
|
bwrite_conv,
|
|
null_write,
|
|
/* TODO: Convert to new style read function */
|
|
bread_conv,
|
|
null_read,
|
|
null_puts,
|
|
null_gets,
|
|
null_ctrl,
|
|
null_new,
|
|
null_free,
|
|
NULL,
|
|
};
|
|
|
|
const BIO_METHOD *BIO_s_null(void)
|
|
{
|
|
return (&null_method);
|
|
}
|
|
|
|
static int null_new(BIO *bi)
|
|
{
|
|
bi->init = 1;
|
|
bi->num = 0;
|
|
bi->ptr = (NULL);
|
|
return 1;
|
|
}
|
|
|
|
static int null_free(BIO *a)
|
|
{
|
|
if (a == NULL)
|
|
return (0);
|
|
return 1;
|
|
}
|
|
|
|
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));
|
|
}
|