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      1 /*  $NetBSD: fgetln.c,v 1.14 2004/05/10 16:47:11 drochner Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1990, 1993
      5  *  The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Chris Torek.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     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  * 3. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  */
     34 #include  <LibConfig.h>
     35 #include <sys/EfiCdefs.h>
     36 #if defined(LIBC_SCCS) && !defined(lint)
     37 #if 0
     38 static char sccsid[] = "@(#)fgetline.c  8.1 (Berkeley) 6/4/93";
     39 #else
     40 __RCSID("$NetBSD: fgetln.c,v 1.14 2004/05/10 16:47:11 drochner Exp $");
     41 #endif
     42 #endif /* LIBC_SCCS and not lint */
     43 
     44 #include "namespace.h"
     45 
     46 #include <stdio.h>
     47 
     48 #include "reentrant.h"
     49 #include "local.h"
     50 
     51 #ifdef __weak_alias
     52 __weak_alias(fgetln,_fgetln)
     53 #endif
     54 
     55 /*
     56  * Get an input line.  The returned pointer often (but not always)
     57  * points into a stdio buffer.  Fgetline does not alter the text of
     58  * the returned line (which is thus not a C string because it will
     59  * not necessarily end with '\0'), but does allow callers to modify
     60  * it if they wish.  Thus, we set __SMOD in case the caller does.
     61  */
     62 char *
     63 fgetln(FILE *fp, size_t *lenp)
     64 {
     65   char *cp;
     66 
     67   FLOCKFILE(fp);
     68   cp = __fgetstr(fp, lenp, '\n');
     69   FUNLOCKFILE(fp);
     70   return cp;
     71 }
     72