From: Luigi Rizzo <rizzo@icir.org>
Date: Sat, 8 Dec 2007 17:58:08 +0000 (+0000)
Subject: document a nice technique to exit from a block in case of errors.
X-Git-Tag: 1.6.0-beta1~3^2~491
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fe5f3464d40fd29cea4c0b92b10f63cf47e038b;p=thirdparty%2Fasterisk.git

document a nice technique to exit from a block in case of errors.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@91951 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/main/config.c b/main/config.c
index ef65c8e628..1f29ee120b 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;