b1ebdd50cb
These are the start of a lot of work to clean up the FreeBSD eBones code. these changes include, but are not limited to: - Create prototypes for all the library routines - Make all the libraries compile clean with -Wall set - Fix numerous small bugs shown up in the above process - Prepare the code for libdes's removal to secure/ - add register, registerd and make_keypair to the make Lots more will follow in days to come. OK'ed by: rgrimes
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/*
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* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
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* For copying and distribution information, please see the file
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* <Copyright.MIT>.
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*
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* from: netread.c,v 4.1 88/11/15 16:47:21 jtkohl Exp $
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* $Id: netread.c,v 1.3 1995/07/18 16:39:20 mark Exp $
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*/
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#if 0
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#ifndef lint
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static char rcsid[] =
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"$Id: netread.c,v 1.3 1995/07/18 16:39:20 mark Exp $";
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#endif lint
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#endif
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#include <stdio.h>
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#include <unistd.h>
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#include <krb.h>
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/*
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* krb_net_read() reads from the file descriptor "fd" to the buffer
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* "buf", until either 1) "len" bytes have been read or 2) cannot
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* read anymore from "fd". It returns the number of bytes read
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* or a read() error. (The calling interface is identical to
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* read(2).)
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*
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* XXX must not use non-blocking I/O
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*/
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int krb_net_read(int fd, char *buf, int len)
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{
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int cc, len2 = 0;
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do {
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cc = read(fd, buf, len);
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if (cc < 0)
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return(cc); /* errno is already set */
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else if (cc == 0) {
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return(len2);
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} else {
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buf += cc;
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len2 += cc;
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len -= cc;
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}
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} while (len > 0);
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return(len2);
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}
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