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-rw-r--r--docs/libcurl/curl_free.35
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/libcurl/curl_free.3 b/docs/libcurl/curl_free.3
index 5bbf74535..e2cf890f0 100644
--- a/docs/libcurl/curl_free.3
+++ b/docs/libcurl/curl_free.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
@@ -31,5 +31,8 @@ curl_free - reclaim memory that has been obtained through a libcurl call
curl_free reclaims memory that has been obtained through a libcurl call. Use
\fIcurl_free(3)\fP instead of free() to avoid anomalies that can result from
differences in memory management between your application and libcurl.
+
+Passing in a NULL pointer in \fIptr\fP will make this function return
+immediately with no action.
.SH "SEE ALSO"
.BR curl_easy_unescape "(3), " curl_easy_escape "(3) "