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/* $Id: io.c,v 1.1.1.1 2010/07/17 17:30:32 culot Exp $ */
/*
* Copyright (c) 2010 Frederic Culot <frederic@culot.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - 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.
*
* 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
* OWNER 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 <stdio.h>
#include <string.h>
#include <errno.h>
#include "oldrunner.h"
FILE *
io_fopen (const char *path)
{
FILE *f;
if (!(f = fopen (path, "r")))
{
ERROR_MSG ("Could not open game file \"%s\": %s",
path, strerror (errno));
return 0;
}
return f;
}
static char *line;
void
io_fclose (FILE *f)
{
(void)fclose (f);
if (line)
xfree (line);
line = 0;
}
char *
io_getln (FILE *f)
{
size_t len;
char *buf;
line = 0;
if (!(buf = fgetln (f, &len)))
return 0;
if (buf[len - 1] == '\n')
buf[len - 1] = '\0';
else
{
/* EOF without EOL, copy and add the NUL */
line = xrealloc (line, 1, len + 1);
memcpy (line, buf, len);
line[len] = '\0';
buf = line;
}
return buf;
}
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