38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/*****************************************************************************\
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* reg_expr.c
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*****************************************************************************
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* Please also read the file DISCLAIMER which is included in this software
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* distribution.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (as published by the
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* Free Software Foundation) version 2, dated June 1991.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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* conditions of the GNU General Public License for more details.
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\*****************************************************************************/
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#include <stdarg.h>
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#include "common.h"
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#include "reg_expr.h"
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/****************************************************************************
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* compile_reg_expr
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*
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* Compile a regular expression.
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****************************************************************************/
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void compile_reg_expr(int cflags, const char *expr, regex_t *reg)
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{
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static const size_t ERROR_BUF_SIZE = 256;
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char error_msg[ERROR_BUF_SIZE];
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int result;
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if ((result = regcomp(reg, expr, cflags)) != 0) {
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regerror(result, reg, error_msg, ERROR_BUF_SIZE);
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fprintf(stderr, "%s: %s\n", prog_name, error_msg);
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exit(1);
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}
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}
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