nl_dos.c
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- /*
- * Program: DOS/TOPS-20 newline routines
- *
- * Author: Mark Crispin
- * Networks and Distributed Computing
- * Computing & Communications
- * University of Washington
- * Administration Building, AG-44
- * Seattle, WA 98195
- * Internet: MRC@CAC.Washington.EDU
- *
- * Date: 1 August 1988
- * Last Edited: 9 October 1994
- *
- * Copyright 1994 by the University of Washington
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appears in all copies and that both the
- * above copyright notice and this permission notice appear in supporting
- * documentation, and that the name of the University of Washington not be
- * used in advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. This software is made available
- * "as is", and
- * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
- * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
- * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
- * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
- /* Copy string with CRLF newlines
- * Accepts: destination string
- * pointer to size of destination string buffer
- * source string
- * length of source string
- * Returns: length of copied string
- */
- unsigned long strcrlfcpy (char **dst,unsigned long *dstl,char *src,
- unsigned long srcl)
- {
- /* flush destination buffer if too small */
- if (*dst && (srcl > *dstl)) fs_give ((void **) dst);
- if (!*dst) { /* make a new buffer if needed */
- *dst = (char *) fs_get ((size_t) (*dstl = srcl) + 1);
- if (dstl) *dstl = srcl; /* return new buffer length to main program */
- }
- /* copy strings */
- if (srcl) memcpy (*dst,src,(size_t) srcl);
- *(*dst + srcl) = ' '; /* tie off destination */
- return srcl; /* return length */
- }
- /* Length of string after strcrlfcpy applied
- * Accepts: source string
- * Returns: length of string
- */
- unsigned long strcrlflen (STRING *s)
- {
- return SIZE (s); /* no-brainer on DOS! */
- }