From 008dff4aec8fff816286fac953932e5d8b7288d9 Mon Sep 17 00:00:00 2001
From: gitlost <burmartke@gmail.com>
Date: Fri, 12 Sep 2025 22:49:28 +0100
Subject: [PATCH] Suppress gcc-15 warning -Wunterminated-string-initialization
 ci: macOS: try GS1 Syntax Engine agin

---
 .github/workflows/ci.yml   | 5 ++++-
 backend/mailmark.c         | 2 +-
 backend/tests/test_aztec.c | 2 +-
 backend/upcean.c           | 2 +-
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ee9fd44d..7405513f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -161,10 +161,13 @@ jobs:
       shell: bash
       run: git config --global --add safe.directory ${GITHUB_WORKSPACE} && cmake -E make_directory build
 
+    - name: Install GS1 Syntax Engine
+      run: git clone https://github.com/gs1/gs1-syntax-engine && cd gs1-syntax-engine/src/c-lib && make CFLAGS_G='-DEXCLUDE_SYNTAX_DICTIONARY_LOADER' lib && (sudo make install || true)
+
     - name: Configure CMake
       working-directory: build
       shell: bash
-      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DZINT_TEST=ON -DZINT_STATIC=ON -DZINT_USE_PNG=OFF -DZINT_USE_QT=OFF
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_C_FLAGS='-I /usr/local/include' -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DZINT_TEST=ON -DZINT_STATIC=ON -DZINT_USE_PNG=OFF -DZINT_USE_QT=OFF
 
     - name: Build
       working-directory: build
diff --git a/backend/mailmark.c b/backend/mailmark.c
index 3ecac74d..fc9b2370 100644
--- a/backend/mailmark.c
+++ b/backend/mailmark.c
@@ -513,7 +513,7 @@ INTERNAL int zint_datamatrix(struct zint_symbol *symbol, struct zint_seg segs[],
 /* Royal Mail 2D Mailmark (CMDM) (Data Matrix) */
 /* https://www.royalmailtechnical.com/rmt_docs/User_Guides_2021/Mailmark_Barcode_definition_document_20210215.pdf */
 INTERNAL int zint_mailmark_2d(struct zint_symbol *symbol, unsigned char source[], int length) {
-    static const char spaces[9] = "         ";
+    static const char spaces[9] = { ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ' };
     unsigned char local_source[90 + 1];
     char postcode[10];
     int i;
diff --git a/backend/tests/test_aztec.c b/backend/tests/test_aztec.c
index aa4c6661..2dcddfab 100644
--- a/backend/tests/test_aztec.c
+++ b/backend/tests/test_aztec.c
@@ -2471,7 +2471,7 @@ static void test_encode(const testCtx *const p_ctx) {
                     "0011010000001001010"
                     "1011000010000000000"
                 },
-        /* 48*/ { BARCODE_AZTEC, GS1_MODE, -1, -1, -1, 6, { 2, 4, "12345678901234567890123456789012" }, "[01]12345678901231[10]01", -1, ZINT_WARN_NONCOMPLIANT, 23, 23, 1, 1, "GS1 with Structured Append, full symbol",
+        /* 48*/ { BARCODE_AZTEC, GS1_MODE, -1, -1, -1, 6, { 2, 4, { '1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2' } }, "[01]12345678901231[10]01", -1, ZINT_WARN_NONCOMPLIANT, 23, 23, 1, 1, "GS1 with Structured Append, full symbol",
                     "11100110011000010001000"
                     "10100110000110101111010"
                     "11000101100000111000011"
diff --git a/backend/upcean.c b/backend/upcean.c
index 71baa0fb..98130b65 100644
--- a/backend/upcean.c
+++ b/backend/upcean.c
@@ -614,7 +614,7 @@ static int isbnx(struct zint_symbol *symbol, unsigned char source[], const int l
 
 /* Check if GTIN-13 `source` is UPC-E compatible and convert as UPC-E into `out` if so */
 static int ean_is_upce(const unsigned char source[], unsigned char *out) {
-    static const char zeroes[5] = "00000";
+    static const char zeroes[5] = { '0', '0', '0', '0', '0' };
 
     if (source[0] != '0' || source[1] > '1') {
         return 0;