1 /* xregex.c - regex functions with error messages 2 3 Carl D. Worth 4 5 Copyright (C) 2001 University of Southern California 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2, or (at your option) 10 any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 */ 17 18 #include "xregex.h" 19 #include "libbb/libbb.h" 20 21 static void print_regcomp_err(const regex_t * preg, int err); 22 23 int xregcomp(regex_t * preg, const char *regex, int cflags) 24 { 25 int err; 26 err = regcomp(preg, regex, cflags); 27 if (err) { 28 print_regcomp_err(preg, err); 29 } 30 31 return err; 32 } 33 34 static void print_regcomp_err(const regex_t * preg, int err) 35 { 36 unsigned int size; 37 char *error; 38 39 size = regerror(err, preg, 0, 0); 40 error = xcalloc(1, size); 41 regerror(err, preg, error, size); 42 43 opkg_msg(ERROR, "Internal error compiling regex: %s.", error); 44 45 free(error); 46 } 47
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