1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
|
/* @(#)fgetstr.c 1.9 04/09/25 Copyright 1986, 1996-2003 J. Schilling */
/*
* Copyright (c) 1986, 1996-2003 J. Schilling
*/
/*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* See the file CDDL.Schily.txt in this distribution for details.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file CDDL.Schily.txt from this distribution.
*/
#include "schilyio.h"
/*
* XXX should we check if HAVE_USG_STDIO is defined and
* XXX use something line memccpy to speed things up ???
*/
EXPORT int
fgetstr(f, buf, len)
register FILE *f;
char *buf;
register int len;
{
register int c = '\0';
register char *bp = buf;
register int nl = '\n';
down2(f, _IOREAD, _IORW);
for (;;) {
if ((c = getc(f)) < 0)
break;
if (--len > 0)
*bp++ = (char)c;
if (c == nl)
break;
}
*bp = '\0';
/*
* If buffer is empty and we hit EOF, return EOF
*/
if (c < 0 && bp == buf)
return (c);
return (bp - buf);
}
EXPORT int
getstr(buf, len)
char *buf;
int len;
{
return (fgetstr(stdin, buf, len));
}
|