From f431cd1a48a6a5186633bf5f16a2d21cb4399e8c Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Thu, 09 Feb 2012 10:56:43 -0500
Subject: Initial commit.

TODO: Copyright information.
Including source code and a patch to add files generated by GNU Autoconf
is not very pretty...  Running 'make dist' in the SVN trunk to generate
a source archive might be better.
---
(limited to 'src/libopkg/xregex.c')

diff --git a/src/libopkg/xregex.c b/src/libopkg/xregex.c
new file mode 100644
index 0000000..f682d4c
--- /dev/null
+++ b/src/libopkg/xregex.c
@@ -0,0 +1,46 @@
+/* xregex.c - regex functions with error messages
+
+   Carl D. Worth
+
+   Copyright (C) 2001 University of Southern California
+
+   This program 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, or (at your option)
+   any later version.
+
+   This program 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.
+*/
+
+#include "xregex.h"
+#include "libbb/libbb.h"
+
+static void print_regcomp_err(const regex_t *preg, int err);
+
+int xregcomp(regex_t *preg, const char *regex, int cflags)
+{
+    int err;
+    err = regcomp(preg, regex, cflags);
+    if (err) {
+	print_regcomp_err(preg, err);
+    }
+
+    return err;
+}
+
+static void print_regcomp_err(const regex_t *preg, int err)
+{
+    unsigned int size;
+    char *error;
+
+    size = regerror(err, preg, 0, 0);
+    error = xcalloc(1, size);
+    regerror(err, preg, error, size);
+
+    opkg_msg(ERROR, "Internal error compiling regex: %s.", error);
+
+    free(error);
+}
--
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