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net_read.c revision 1.1.1.1.26.1 
      1 /*	$NetBSD: net_read.c,v 1.1.1.1.26.1 2017/08/20 05:42:07 snj Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997, 1998, 2002 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * 3. Neither the name of the Institute nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include "krb5_locl.h"
     37 
     38 /**
     39  * Read \a len bytes from socket \a p_fd into buffer \a buf.
     40  * Block until \a len bytes are read or until an error.
     41  *
     42  * @return If successful, the number of bytes read: \a len.
     43  *         On end-of-file, 0.
     44  *         On error, less than 0 (if single-threaded, the error can be found
     45  *         in the errno global variable).
     46  */
     47 KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL
     48 krb5_net_read (krb5_context context,
     49 	       void *p_fd,
     50 	       void *buf,
     51 	       size_t len)
     52 {
     53     krb5_socket_t fd = *((krb5_socket_t *)p_fd);
     54     return net_read(fd, buf, len);
     55 }
     56