From: Benjamin Berg <benjamin.berg@intel.com>
Date: Mon, 20 Nov 2023 23:51:48 +0000 (+0200)
Subject: trace: Document function pattern prefixes
X-Git-Tag: hostap_2_11~744
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e62d351ce7b492042fb5a4645b5428d8c1c47d84;p=thirdparty%2Fhostap.git

trace: Document function pattern prefixes

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
---

diff --git a/src/utils/os_unix.c b/src/utils/os_unix.c
index 39f00943b..093548256 100644
--- a/src/utils/os_unix.c
+++ b/src/utils/os_unix.c
@@ -570,6 +570,11 @@ int testing_test_fail(bool is_alloc)
 
 	pos = wpa_trace_fail_func[is_alloc];
 
+	/* The prefixes mean:
+	 * - '=': The function needs to be next in the backtrace
+	 * - '?': The function is optionally present in the backtrace
+	 */
+
 	match = 0;
 	while (i < res) {
 		int allow_skip = 1;