From 62ba3604dc58ab339f34d96935b10e8384403af1 Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Wed, 14 Jan 2026 23:50:42 +0100
Subject: [PATCH] checksrc: do not apply `BANNEDFUNC` to struct member
 functions

Omit this warning, when `close()` is banned:
```
./lib/vtls/vtls.c:947:13: warning: use of close is banned (BANNEDFUNC)
   Curl_ssl->close(cf, data);
             ^
```
Ref: https://github.com/curl/curl/actions/runs/21012427938/job/60410334312?pr=20212#step:3:6

Ref: #20212

Closes #20323
---
 scripts/checksrc.pl | 8 +++++---
 tests/data/test1185 | 3 +++
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/scripts/checksrc.pl b/scripts/checksrc.pl
index 21d4782c7d..d065b0bc06 100755
--- a/scripts/checksrc.pl
+++ b/scripts/checksrc.pl
@@ -970,9 +970,11 @@ sub scanfile {
             my $bad = $2;
             my $prefix = $1;
             my $suff = $3;
-            checkwarn("BANNEDFUNC",
-                      $line, length($prefix), $file, $ol,
-                      "use of $bad is banned");
+            if($prefix !~ /(->|\.)$/) {
+                checkwarn("BANNEDFUNC",
+                          $line, length($prefix), $file, $ol,
+                          "use of $bad is banned");
+            }
             my $search = quotemeta($prefix . $bad . $suff);
             my $replace = $prefix . 'x' x (length($bad) + 1);
             $l =~ s/$search/$replace/;
diff --git a/tests/data/test1185 b/tests/data/test1185
index 3f7cd9fb70..a24548c9a0 100644
--- a/tests/data/test1185
+++ b/tests/data/test1185
@@ -88,6 +88,9 @@ void startfunc(int a, int b) {
 
  // CPP comment ?
 
+ int d = impl->magicbad(1); /* member function always allowed */
+ int e = impl.magicbad(); /* member function always allowed */
+
  /* comment does not end
 
 </file>