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diff --git a/lib/xregcomp.c b/lib/xregcomp.c
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+/*
+ * xregcomp.c: regcomp with error checking
+ *
+ * Copyright (C) 2008 Colin Watson.
+ *
+ * This file is part of man-db.
+ *
+ * man-db is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * man-db is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with man-db; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <stddef.h>
+
+#include "regex.h"
+
+#include "gettext.h"
+#include <locale.h>
+#define _(String) gettext (String)
+
+#include "manconfig.h"
+
+#include "fatal.h"
+#include "xalloc.h"
+#include "xregcomp.h"
+
+void xregcomp (regex_t *preg, const char *regex, int cflags)
+{
+ int err = regcomp (preg, regex, cflags);
+ if (err) {
+ size_t errstrsize;
+ char *errstr;
+ errstrsize = regerror (err, preg, NULL, 0);
+ errstr = xmalloc (errstrsize);
+ regerror (err, preg, errstr, errstrsize);
+ fatal (0, _("fatal: regex `%s': %s"), regex, errstr);
+ }
+}