From: Florian Forster <octo@leeloo.lan.home.verplant.org>
Date: Sat, 8 Nov 2008 17:04:21 +0000 (+0100)
Subject: libcollectdclient: Document the used macros.
X-Git-Tag: collectd-4.6.0~155^2~1
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=4cff44c4a058540cf37ae058527d4415509aec72;p=collectd.git

libcollectdclient: Document the used macros.

They're probably not obvious unless you've doe quite
some C coding.
---

diff --git a/src/libcollectdclient/client.c b/src/libcollectdclient/client.c
index 2ec27742..baffe995 100644
--- a/src/libcollectdclient/client.c
+++ b/src/libcollectdclient/client.c
@@ -61,6 +61,10 @@
 
 #include "client.h"
 
+/* Secure/static macros. They work like `strcpy' and `strcat', but assure null
+ * termination. They work for static buffers only, because they use `sizeof'.
+ * The `SSTRCATF' combines the functionality of `snprintf' and `strcat' which
+ * is very useful to add formatted stuff to the end of a buffer. */
 #define SSTRCPY(d,s) do { \
     strncpy ((d), (s), sizeof (d)); \
     (d)[sizeof (d) - 1] = 0; \