coreboot-kgpe-d16/util/lxbios/reg_expr.c

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/*****************************************************************************\
* reg_expr.c
* $Id: reg_expr.c,v 1.2 2005/12/16 22:45:49 dsp_llnl Exp $
*****************************************************************************
* Copyright (C) 2002-2005 The Regents of the University of California.
* Produced at the Lawrence Livermore National Laboratory.
* Written by Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>.
* UCRL-CODE-2003-012
* All rights reserved.
*
* This file is part of lxbios, a utility for reading/writing coreboot
* parameters and displaying information from the coreboot table.
* For details, see <http://www.llnl.gov/linux/lxbios/>.
*
* Please also read the file DISCLAIMER which is included in this software
* distribution.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (as published by the
* Free Software Foundation) version 2, dated June 1991.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
* conditions of the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
\*****************************************************************************/
#include <stdarg.h>
#include "common.h"
#include "reg_expr.h"
/****************************************************************************
* compile_reg_exprs
*
* Compile a bunch of regular expressions.
****************************************************************************/
void compile_reg_exprs (int cflags, int num_exprs,
/* const char *expr1, regex_t *reg1, */ ...)
{ static const size_t ERROR_BUF_SIZE = 256;
char error_msg[ERROR_BUF_SIZE];
va_list ap;
regex_t *reg;
const char *expr;
int i, result;
va_start(ap, num_exprs);
for (i = 0; i < num_exprs; i++)
{ expr = va_arg(ap, const char *);
reg = va_arg(ap, regex_t *);
if ((result = regcomp(reg, expr, cflags)) != 0)
{ regerror(result, reg, error_msg, ERROR_BUF_SIZE);
fprintf(stderr, "%s: %s\n", prog_name, error_msg);
exit(1);
}
}
va_end(ap);
}
/****************************************************************************
* free_reg_exprs
*
* Destroy a bunch of previously compiled regular expressions.
****************************************************************************/
void free_reg_exprs (int num_exprs, /* regex_t *reg1, */ ...)
{ va_list ap;
int i;
va_start(ap, num_exprs);
for (i = 0; i < num_exprs; i++)
regfree(va_arg(ap, regex_t *));
va_end(ap);
}