From f6b6476ca412d602db5a87185659f07142e6d3fe Mon Sep 17 00:00:00 2001
From: Patrick Steinhardt <ps@pks.im>
Date: Fri, 6 Sep 2024 10:45:34 +0200
Subject: [PATCH 1/2] clar: fix leaking error reports

We never free error reports when some of the tests have failed or issued
warnings. Plug this memory leak.
---
 clar.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/clar.c b/clar.c
index 6022400..481713d 100644
--- a/clar.c
+++ b/clar.c
@@ -635,6 +635,14 @@ clar_test_shutdown(void)
 	}
 
 	for (report = _clar.reports; report; report = report_next) {
+		struct clar_error *error, *error_next;
+
+		for (error = report->errors; error; error = error_next) {
+			free(error->description);
+			error_next = error->next;
+			free(error);
+		}
+
 		report_next = report->next;
 		free(report);
 	}

From 2ff1c51a863e43ebf85f6b2c915926c386533f67 Mon Sep 17 00:00:00 2001
From: Patrick Steinhardt <ps@pks.im>
Date: Fri, 6 Sep 2024 10:48:37 +0200
Subject: [PATCH 2/2] ci: add job checking for memory leaks

Add a CI job that exercises the clar for memory leaks.
---
 .github/workflows/ci.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54674a0..aae853b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,11 @@ jobs:
         platform:
           - os: ubuntu-latest
             generator: Unix Makefiles
+          - os: ubuntu-latest
+            generator: Unix Makefiles
+            env:
+              CC: "clang"
+              CFLAGS: "-fsanitize=leak"
           - os: macos-latest
             generator: Unix Makefiles
           - os: windows-latest
@@ -24,6 +29,10 @@ jobs:
 
     runs-on: ${{ matrix.platform.os }}
 
+    env:
+      CC: ${{matrix.platform.env.CC}}
+      CFLAGS: ${{matrix.platform.env.CFLAGS}}
+
     steps:
     - name: Check out
       uses: actions/checkout@v2