| Stefan Reinauer | 6540ae5 | 2007-07-12 16:35:42 +0000 | [diff] [blame^] | 1 | /*****************************************************************************\ |
| 2 | * reg_expr.c |
| 3 | * $Id: reg_expr.c,v 1.2 2005/12/16 22:45:49 dsp_llnl Exp $ |
| 4 | ***************************************************************************** |
| 5 | * Copyright (C) 2002-2005 The Regents of the University of California. |
| 6 | * Produced at the Lawrence Livermore National Laboratory. |
| 7 | * Written by Dave Peterson <dsp@llnl.gov> <dave_peterson@pobox.com>. |
| 8 | * UCRL-CODE-2003-012 |
| 9 | * All rights reserved. |
| 10 | * |
| 11 | * This file is part of lxbios, a utility for reading/writing LinuxBIOS |
| 12 | * parameters and displaying information from the LinuxBIOS table. |
| 13 | * For details, see <http://www.llnl.gov/linux/lxbios/>. |
| 14 | * |
| 15 | * Please also read the file DISCLAIMER which is included in this software |
| 16 | * distribution. |
| 17 | * |
| 18 | * This program is free software; you can redistribute it and/or modify it |
| 19 | * under the terms of the GNU General Public License (as published by the |
| 20 | * Free Software Foundation) version 2, dated June 1991. |
| 21 | * |
| 22 | * This program is distributed in the hope that it will be useful, but |
| 23 | * WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF |
| 24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and |
| 25 | * conditions of the GNU General Public License for more details. |
| 26 | * |
| 27 | * You should have received a copy of the GNU General Public License along |
| 28 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 29 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
| 30 | \*****************************************************************************/ |
| 31 | |
| 32 | #include <stdarg.h> |
| 33 | #include "common.h" |
| 34 | #include "reg_expr.h" |
| 35 | |
| 36 | /**************************************************************************** |
| 37 | * compile_reg_exprs |
| 38 | * |
| 39 | * Compile a bunch of regular expressions. |
| 40 | ****************************************************************************/ |
| 41 | void compile_reg_exprs (int cflags, int num_exprs, |
| 42 | /* const char *expr1, regex_t *reg1, */ ...) |
| 43 | { static const size_t ERROR_BUF_SIZE = 256; |
| 44 | char error_msg[ERROR_BUF_SIZE]; |
| 45 | va_list ap; |
| 46 | regex_t *reg; |
| 47 | const char *expr; |
| 48 | int i, result; |
| 49 | |
| 50 | va_start(ap, num_exprs); |
| 51 | |
| 52 | for (i = 0; i < num_exprs; i++) |
| 53 | { expr = va_arg(ap, const char *); |
| 54 | reg = va_arg(ap, regex_t *); |
| 55 | |
| 56 | if ((result = regcomp(reg, expr, cflags)) != 0) |
| 57 | { regerror(result, reg, error_msg, ERROR_BUF_SIZE); |
| 58 | fprintf(stderr, "%s: %s\n", prog_name, error_msg); |
| 59 | exit(1); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | va_end(ap); |
| 64 | } |
| 65 | |
| 66 | /**************************************************************************** |
| 67 | * free_reg_exprs |
| 68 | * |
| 69 | * Destroy a bunch of previously compiled regular expressions. |
| 70 | ****************************************************************************/ |
| 71 | void free_reg_exprs (int num_exprs, /* regex_t *reg1, */ ...) |
| 72 | { va_list ap; |
| 73 | int i; |
| 74 | |
| 75 | va_start(ap, num_exprs); |
| 76 | |
| 77 | for (i = 0; i < num_exprs; i++) |
| 78 | regfree(va_arg(ap, regex_t *)); |
| 79 | |
| 80 | va_end(ap); |
| 81 | } |