From bfe4b25b8019ceb962698df0078402a33c215410 Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Mon, 5 Apr 2021 15:35:31 +0200
Subject: [PATCH 1/3] cmake/autotools/expat.cmake: Get back in sync with CI

---
 expat/cmake/autotools/expat.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/expat/cmake/autotools/expat.cmake b/expat/cmake/autotools/expat.cmake
index 7861d418..cb7444c9 100644
--- a/expat/cmake/autotools/expat.cmake
+++ b/expat/cmake/autotools/expat.cmake
@@ -4,7 +4,7 @@ if("${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION}" LESS 2.5)
    message(FATAL_ERROR "CMake >= 2.6.0 required")
 endif()
 cmake_policy(PUSH)
-cmake_policy(VERSION 2.6...3.17)
+cmake_policy(VERSION 2.6...3.18)
 #----------------------------------------------------------------
 # Generated CMake target import file.
 #----------------------------------------------------------------

From 2f051a681b17b903808fb53ab9ab0e498c8af354 Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Mon, 5 Apr 2021 18:32:03 +0200
Subject: [PATCH 2/3] cppcheck: Suprocess warnings of type "objectIndex"

Report from Cppcheck 2.4.1 was:

lib/xmlparse.c:729:26: warning: The address of local variable 'entropy' might be accessed at non-zero index. [objectIndex]
      ((uint8_t *)target)[bytesWrittenTotal] = random8;
                         ^
lib/xmlparse.c:820:39: note: Address of variable taken here.
  writeRandomBytes_arc4random((void *)&entropy, sizeof(entropy));
                                      ^
lib/xmlparse.c:820:31: note: Calling function 'writeRandomBytes_arc4random', 1st argument '(void*)&entropy' value is lifetime=entropy
  writeRandomBytes_arc4random((void *)&entropy, sizeof(entropy));
                              ^
lib/xmlparse.c:729:26: note: The address of local variable 'entropy' might be accessed at non-zero index.
      ((uint8_t *)target)[bytesWrittenTotal] = random8;
                         ^
lib/xmltok.c:318:54: error: The address of local variable 'fromLim' is accessed at non-zero index. [objectIndex]
    const unsigned char prev = (unsigned char)fromLim[-1];
                                                     ^
lib/xmltok.c:369:56: note: Address of variable taken here.
    _INTERNAL_trim_to_complete_utf8_characters(*fromP, &fromLim);
                                                       ^
lib/xmltok.c:369:56: note: Calling function '_INTERNAL_trim_to_complete_utf8_characters', 2nd argument '&fromLim' value is lifetime=fromLim
    _INTERNAL_trim_to_complete_utf8_characters(*fromP, &fromLim);
                                                       ^
lib/xmltok.c:318:54: note: The address of local variable 'fromLim' is accessed at non-zero index.
    const unsigned char prev = (unsigned char)fromLim[-1];
                                                     ^
---
 .travis.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.sh b/.travis.sh
index 06d98d09..c9e57d01 100755
--- a/.travis.sh
+++ b/.travis.sh
@@ -70,7 +70,7 @@ elif [[ ${MODE} = cppcheck ]]; then
             -name xmltok_ns.c
             -o -name xmltok_impl.c
         \)
-        -exec cppcheck --quiet --error-exitcode=1 --force {} +
+        -exec cppcheck --quiet --error-exitcode=1 --force --suppress=objectIndex {} +
     )
     find "${find_args[@]}"
 elif [[ ${MODE} = clang-format ]]; then

From 20ea6956b5974141aae64b6a9d562ca56b317d15 Mon Sep 17 00:00:00 2001
From: Sebastian Pipping <sebastian@pipping.org>
Date: Mon, 5 Apr 2021 18:10:58 +0200
Subject: [PATCH 3/3] Actions: Enable periodic builds

---
 .github/workflows/autotools-cmake.yml | 6 ++++--
 .github/workflows/expat_config_h.yml  | 6 ++++--
 .github/workflows/linux.yml           | 6 ++++--
 .github/workflows/macos.yml           | 6 ++++--
 4 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/autotools-cmake.yml b/.github/workflows/autotools-cmake.yml
index 6939db23..9a0e9f71 100644
--- a/.github/workflows/autotools-cmake.yml
+++ b/.github/workflows/autotools-cmake.yml
@@ -4,8 +4,10 @@
 name: Ensure that Autotools install identical CMake files
 
 on:
-- pull_request
-- push
+  pull_request:
+  push:
+  schedule:
+    - cron: '0 2 * * 5'  # Every Friday at 2am
 
 jobs:
   checks:
diff --git a/.github/workflows/expat_config_h.yml b/.github/workflows/expat_config_h.yml
index 393ca36f..9b3cd206 100644
--- a/.github/workflows/expat_config_h.yml
+++ b/.github/workflows/expat_config_h.yml
@@ -4,8 +4,10 @@
 name: Check expat_config.h.{in,cmake} for regressions
 
 on:
-- pull_request
-- push
+  pull_request:
+  push:
+  schedule:
+    - cron: '0 2 * * 5'  # Every Friday at 2am
 
 jobs:
   checks:
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index f18f9559..3af00433 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -4,8 +4,10 @@
 name: Run Linux Travis CI tasks
 
 on:
-- pull_request
-- push
+  pull_request:
+  push:
+  schedule:
+    - cron: '0 2 * * 5'  # Every Friday at 2am
 
 jobs:
   checks:
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 77aaaea6..64c1bb57 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -4,8 +4,10 @@
 name: Run macOS Travis CI tasks
 
 on:
-- pull_request
-- push
+  pull_request:
+  push:
+  schedule:
+    - cron: '0 2 * * 5'  # Every Friday at 2am
 
 jobs:
   checks: