From b4a97437e3500dc240da9081315b63e44996fea5 Mon Sep 17 00:00:00 2001
From: rizzo <rizzo@f38db490-d61c-443f-a65b-d21fe96a405b>
Date: Sat, 8 Dec 2007 17:58:08 +0000
Subject: [PATCH] document a nice technique to exit from a block in case of
 errors.

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@91951 f38db490-d61c-443f-a65b-d21fe96a405b
---
 main/config.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/main/config.c b/main/config.c
index ef65c8e62..1f29ee120 100644
--- a/main/config.c
+++ b/main/config.c
@@ -1153,6 +1153,11 @@ static struct ast_config *config_text_file_load(const char *database, const char
 			for (i=0; i<globbuf.gl_pathc; i++) {
 				ast_copy_string(fn, globbuf.gl_pathv[i], sizeof(fn));
 #endif
+	/*
+	 * The following is not a loop, but just a convenient way to define a block
+	 * (using do { } while(0) ), and be able to exit from it with 'continue'
+	 * or 'break' in case of errors. Nice trick.
+	 */
 	do {
 		if (stat(fn, &statbuf))
 			continue;