From 89b628d34b1ef0423df35a72901daa194d7db956 Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Tue, 28 Oct 2025 21:33:16 +0100
Subject: Fix the CI on clang

Apparently, clang doesn't like the `putwchar` function for no good reason.
Replacing it with `printf` fixes a NULL-ptr deref, so let's do that, as we
don't really care about the content of the buffer anyway, only that it's not
optimized away.
---
 .github/workflows/testsuite.yaml    | 1 -
 tests/test_fgetws_dynamic.c         | 2 +-
 tests/test_fgetws_static.c          | 2 +-
 tests/test_wcscat_static_write.c    | 4 ++--
 tests/test_wcscpy_static_write.c    | 4 ++--
 tests/test_wcsncat_static_write.c   | 4 ++--
 tests/test_wcsncpy_static_write.c   | 4 ++--
 tests/test_wmemcpy_dynamic_write.c  | 4 ++--
 tests/test_wmemcpy_static_write.c   | 4 ++--
 tests/test_wmemmove_dynamic_write.c | 4 ++--
 tests/test_wmemmove_static_write.c  | 4 ++--
 tests/test_wmemset_dynamic.c        | 4 ++--
 tests/test_wmemset_static.c         | 4 ++--
 13 files changed, 22 insertions(+), 23 deletions(-)

diff --git a/.github/workflows/testsuite.yaml b/.github/workflows/testsuite.yaml
index 7870ad1..6ceb3bd 100644
--- a/.github/workflows/testsuite.yaml
+++ b/.github/workflows/testsuite.yaml
@@ -74,7 +74,6 @@ jobs:
         run: make CFLAGS=-DUSE_NATIVE_CHK -C tests clang
       - name: Building and running without native chk
         if: ${{ matrix.use_native_chk == false }}
-        continue-on-error: true
         shell: bash
         run: |
           make -C tests clean clang run > ./results.txt
diff --git a/tests/test_fgetws_dynamic.c b/tests/test_fgetws_dynamic.c
index f5919da..b9700e3 100644
--- a/tests/test_fgetws_dynamic.c
+++ b/tests/test_fgetws_dynamic.c
@@ -10,6 +10,6 @@ int main(int argc, char** argv) {
   fgetws(buffer, argc, NULL);
   CHK_FAIL_END
 
-  putwchar(buffer[0]);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_fgetws_static.c b/tests/test_fgetws_static.c
index a02653f..361d4f4 100644
--- a/tests/test_fgetws_static.c
+++ b/tests/test_fgetws_static.c
@@ -10,6 +10,6 @@ int main(int argc, char** argv) {
   fgetws(buffer, 14, NULL);
   CHK_FAIL_END
 
-  putwchar(buffer[0]);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wcscat_static_write.c b/tests/test_wcscat_static_write.c
index c820605..fe00baa 100644
--- a/tests/test_wcscat_static_write.c
+++ b/tests/test_wcscat_static_write.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[8] = {0};
   wcscat(buffer, L"α");
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wcscat(buffer, L"αβγδεζηθικλμνξοπρστυφχψω");
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wcscpy_static_write.c b/tests/test_wcscpy_static_write.c
index 47b8166..fd4ec78 100644
--- a/tests/test_wcscpy_static_write.c
+++ b/tests/test_wcscpy_static_write.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[8] = {0};
   wcscpy(buffer, L"α");
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wcscpy(buffer, L"αβγδεζηθικλμνξοπρστυφχψω");
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wcsncat_static_write.c b/tests/test_wcsncat_static_write.c
index ae4746e..220d0dd 100644
--- a/tests/test_wcsncat_static_write.c
+++ b/tests/test_wcsncat_static_write.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[8] = {0};
   wcsncat(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 2);
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wcsncat(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 1337);
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wcsncpy_static_write.c b/tests/test_wcsncpy_static_write.c
index 104055a..a347f6c 100644
--- a/tests/test_wcsncpy_static_write.c
+++ b/tests/test_wcsncpy_static_write.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[8] = {0};
   wcsncpy(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 1);
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wcsncpy(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 1337);
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wmemcpy_dynamic_write.c b/tests/test_wmemcpy_dynamic_write.c
index 91a9d87..c7f5751 100644
--- a/tests/test_wmemcpy_dynamic_write.c
+++ b/tests/test_wmemcpy_dynamic_write.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[2] = {0};
   wmemcpy(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 2);
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wmemcpy(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", argc);
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wmemcpy_static_write.c b/tests/test_wmemcpy_static_write.c
index 0c8254e..638d80d 100644
--- a/tests/test_wmemcpy_static_write.c
+++ b/tests/test_wmemcpy_static_write.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[2] = {0};
   wmemcpy(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 2);
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wmemcpy(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 1337);
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wmemmove_dynamic_write.c b/tests/test_wmemmove_dynamic_write.c
index 5df9964..549afe3 100644
--- a/tests/test_wmemmove_dynamic_write.c
+++ b/tests/test_wmemmove_dynamic_write.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[2] = {0};
   wmemmove(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 2);
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wmemmove(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", argc);
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wmemmove_static_write.c b/tests/test_wmemmove_static_write.c
index 5255e61..7200b95 100644
--- a/tests/test_wmemmove_static_write.c
+++ b/tests/test_wmemmove_static_write.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[2] = {0};
   wmemmove(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 2);
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wmemmove(buffer, L"αβγδεζηθικλμνξοπρστυφχψω", 1337);
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wmemset_dynamic.c b/tests/test_wmemset_dynamic.c
index 72c5eb6..5552bd8 100644
--- a/tests/test_wmemset_dynamic.c
+++ b/tests/test_wmemset_dynamic.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[4] = {0};
   wmemset(buffer, L'A', 3);
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wmemset(buffer, L'B', argc);
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
diff --git a/tests/test_wmemset_static.c b/tests/test_wmemset_static.c
index 197a478..b09a684 100644
--- a/tests/test_wmemset_static.c
+++ b/tests/test_wmemset_static.c
@@ -5,12 +5,12 @@
 int main(int argc, char** argv) {
   wchar_t buffer[4] = {0};
   wmemset(buffer, L'A', 3);
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
 
   CHK_FAIL_START
   wmemset(buffer, L'B', 16);
   CHK_FAIL_END
 
-  fputws(buffer, stdout);
+  printf("%ls\n", buffer);
   return ret;
 }
-- 
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