opkg: re-arrange source code into sub-directories

git-svn-id: http://opkg.googlecode.com/svn/trunk@33 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

1 files changed, 48 insertions, 0 deletions

diff --git a/libopkg/xregex.c b/libopkg/xregex.c
new file mode 100644
index 0000000..7e50050
--- /dev/null
+++ b/libopkg/xregex.c
@@ -0,0 +1,48 @@
+/* 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 "opkg.h"
+
+#include "xregex.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)
+{
+    int size;
+    char *error;
+    
+    fprintf(stderr, "%s: Error compiling regex:", __FUNCTION__);
+    size = regerror(err, preg, 0, 0);
+    error = malloc(size);
+    if (error) {
+	regerror(err, preg, error, size);
+	fprintf(stderr, "%s\n", error);
+    }
+    free(error);
+}