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1 : /* 2 : * Copyright (c) 1997, 1998, 2002 Kungliga Tekniska Högskolan 3 : * (Royal Institute of Technology, Stockholm, Sweden). 4 : * All rights reserved. 5 : * 6 : * Redistribution and use in source and binary forms, with or without 7 : * modification, are permitted provided that the following conditions 8 : * are met: 9 : * 10 : * 1. Redistributions of source code must retain the above copyright 11 : * notice, this list of conditions and the following disclaimer. 12 : * 13 : * 2. Redistributions in binary form must reproduce the above copyright 14 : * notice, this list of conditions and the following disclaimer in the 15 : * documentation and/or other materials provided with the distribution. 16 : * 17 : * 3. Neither the name of the Institute nor the names of its contributors 18 : * may be used to endorse or promote products derived from this software 19 : * without specific prior written permission. 20 : * 21 : * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 : * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 : * SUCH DAMAGE. 32 : */ 33 : 34 : #include "krb5_locl.h" 35 : 36 : /** 37 : * Read \a len bytes from socket \a p_fd into buffer \a buf. 38 : * Block until \a len bytes are read or until an error. 39 : * 40 : * @return If successful, the number of bytes read: \a len. 41 : * On end-of-file, 0. 42 : * On error, less than 0 (if single-threaded, the error can be found 43 : * in the errno global variable). 44 : */ 45 : KRB5_LIB_FUNCTION krb5_ssize_t KRB5_LIB_CALL 46 47691 : krb5_net_read (krb5_context context, 47 : void *p_fd, 48 : void *buf, 49 : size_t len) 50 : { 51 47691 : krb5_socket_t fd = *((krb5_socket_t *)p_fd); 52 47691 : return net_read(fd, buf, len); 53 : }