| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <stdarg.h> |
| #include "common.h" |
| #include "reg_expr.h" |
| |
| /**************************************************************************** |
| * compile_reg_expr |
| * |
| * Compile a regular expression. |
| ****************************************************************************/ |
| void compile_reg_expr(int cflags, const char *expr, regex_t *reg) |
| { |
| static const size_t ERROR_BUF_SIZE = 256; |
| char error_msg[ERROR_BUF_SIZE]; |
| int result; |
| |
| 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); |
| } |
| } |