shadow/lib/fputsx.c

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/*
* Copyright (c) 1990 - 1994, Julianne Frances Haugh
* Copyright (c) 1996 - 1999, Marek Michałkiewicz
* Copyright (c) 2005 , Tomasz Kłoczko
* Copyright (c) 2008 , Nicolas François
* 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. The name of the copyright holders or contributors may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT
* HOLDERS 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"
#include "prototypes.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;
}
}
ep = strrchr (cp, '\\');
if ((NULL != ep) && (*(ep + 1) == '\n')) {
cnt -= ep - cp;
if (cnt > 0) {
cp = ep;
*cp = '\0';
}
} else {
break;
}
}
return buf;
}
int fputsx (const char *s, FILE * stream)
{
int i;
for (i = 0; '\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;
}