24 lines
651 B
C
24 lines
651 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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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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