shadow/lib/fputsx.c

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/*
* Copyright 1990 - 1994, Julianne Frances Haugh
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Julianne F. Haugh nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include "defines.h"
#ident "$Id$"
char *fgetsx (char *buf, int cnt, FILE * f)
{
char *cp = buf;
char *ep;
while (cnt > 0) {
if (fgets (cp, cnt, f) == 0) {
if (cp == buf)
return 0;
else
break;
}
if ((ep = strrchr (cp, '\\')) && *(ep + 1) == '\n') {
if ((cnt -= ep - cp) > 0)
*(cp = ep) = '\0';
} else
break;
}
return buf;
}
int fputsx (const char *s, FILE * stream)
{
int i;
for (i = 0; *s; i++, s++) {
if (putc (*s, stream) == EOF)
return EOF;
#if 0 /* The standard getgr*() can't handle that. --marekm */
if (i > (BUFSIZ / 2)) {
if (putc ('\\', stream) == EOF ||
putc ('\n', stream) == EOF)
return EOF;
i = 0;
}
#endif
}
return 0;
}