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-rw-r--r--docs/libcurl/curl_easy_cleanup.35
-rw-r--r--docs/libcurl/curl_formfree.35
-rw-r--r--docs/libcurl/curl_free.35
-rw-r--r--docs/libcurl/curl_mime_free.34
-rw-r--r--docs/libcurl/curl_multi_cleanup.35
-rw-r--r--docs/libcurl/curl_share_cleanup.34
-rw-r--r--docs/libcurl/curl_slist_free_all.35
7 files changed, 26 insertions, 7 deletions
diff --git a/docs/libcurl/curl_easy_cleanup.3 b/docs/libcurl/curl_easy_cleanup.3
index a6969a026..626d98c51 100644
--- a/docs/libcurl/curl_easy_cleanup.3
+++ b/docs/libcurl/curl_easy_cleanup.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2015, 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
@@ -47,6 +47,9 @@ Any use of the \fBhandle\fP after this function has been called and have
returned, is illegal. \fIcurl_easy_cleanup(3)\fP kills the handle and all
memory associated with it!
+Passing in a NULL pointer in \fIhandle\fP will make this function return
+immediately with no action.
+.SH "OLD TIMES"
For libcurl versions before 7.17,: after you've called this function, you can
safely remove all the strings you've previously told libcurl to use, as it
won't use them anymore now.
diff --git a/docs/libcurl/curl_formfree.3 b/docs/libcurl/curl_formfree.3
index dd00494be..6e0e95f57 100644
--- a/docs/libcurl/curl_formfree.3
+++ b/docs/libcurl/curl_formfree.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2017, 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
@@ -40,6 +40,9 @@ the \fIcurl_formadd(3)\fP invoke(s).
\fBform\fP is the pointer as returned from a previous call to
\fIcurl_formadd(3)\fP and may be NULL.
+
+Passing in a NULL pointer in \fIform\fP will make this function return
+immediately with no action.
.SH AVAILABILITY
Deprecated in 7.56.0.
.SH RETURN VALUE
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) "
diff --git a/docs/libcurl/curl_mime_free.3 b/docs/libcurl/curl_mime_free.3
index 9394b5748..80a95486e 100644
--- a/docs/libcurl/curl_mime_free.3
+++ b/docs/libcurl/curl_mime_free.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2017, 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
@@ -40,6 +40,8 @@ not be explicitly freed as they are by the top structure freeing.
\fBmime\fP is the handle as returned from a previous call to
\fIcurl_mime_init(3)\fP and may be NULL.
+Passing in a NULL pointer in \fImime\fP will make this function return
+immediately with no action.
.SH AVAILABILITY
As long as at least one of HTTP, SMTP or IMAP is enabled. Added in 7.56.0.
.SH RETURN VALUE
diff --git a/docs/libcurl/curl_multi_cleanup.3 b/docs/libcurl/curl_multi_cleanup.3
index 07d921605..a945fd698 100644
--- a/docs/libcurl/curl_multi_cleanup.3
+++ b/docs/libcurl/curl_multi_cleanup.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2011, 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
@@ -40,6 +40,9 @@ handle is no longer connected to the multi handle
3 - \fIcurl_multi_cleanup(3)\fP should be called when all easy handles are
removed
+
+Passing in a NULL pointer in \fImulti_handle\fP will make this function return
+CURLM_BAD_HANDLE immediately with no other action.
.SH RETURN VALUE
CURLMcode type, general libcurl multi interface error code. On success,
CURLM_OK is returned.
diff --git a/docs/libcurl/curl_share_cleanup.3 b/docs/libcurl/curl_share_cleanup.3
index 0b265e86e..d74ef91d2 100644
--- a/docs/libcurl/curl_share_cleanup.3
+++ b/docs/libcurl/curl_share_cleanup.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2011, 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
@@ -31,6 +31,8 @@ curl_share_cleanup - Clean up a shared object
This function deletes a shared object. The share handle cannot be used anymore
when this function has been called.
+Passing in a NULL pointer in \fIshare_handle\fP will make this function return
+immediately with no action.
.SH RETURN VALUE
CURLSHE_OK (zero) means that the option was set properly, non-zero means an
error occurred as \fI<curl/curl.h>\fP defines. See the \fIlibcurl-errors.3\fP
diff --git a/docs/libcurl/curl_slist_free_all.3 b/docs/libcurl/curl_slist_free_all.3
index 895524914..82cb80ff2 100644
--- a/docs/libcurl/curl_slist_free_all.3
+++ b/docs/libcurl/curl_slist_free_all.3
@@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2017, 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
@@ -30,6 +30,9 @@ curl_slist_free_all - free an entire curl_slist list
.SH DESCRIPTION
curl_slist_free_all() removes all traces of a previously built curl_slist
linked list.
+
+Passing in a NULL pointer in \fIlist\fP will make this function return
+immediately with no action.
.SH RETURN VALUE
Nothing.
.SH EXAMPLE