From a9d37bb2a2e30c84043bb099fead9e810d94ac92 Mon Sep 17 00:00:00 2001
From: DubbleClick <m@pyc.ac>
Date: Wed, 4 Jun 2025 08:58:46 +0700
Subject: [PATCH] add source patch for ffi on centos 7

---
 src/SPC/store/SourcePatcher.php               | 10 ++++++
 .../patch/ffi_centos7_fix_O3_strncmp.patch    | 31 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 src/globals/patch/ffi_centos7_fix_O3_strncmp.patch

diff --git a/src/SPC/store/SourcePatcher.php b/src/SPC/store/SourcePatcher.php
index f78928de..6f6c7d45 100644
--- a/src/SPC/store/SourcePatcher.php
+++ b/src/SPC/store/SourcePatcher.php
@@ -22,6 +22,7 @@ class SourcePatcher
         FileSystem::addSourceExtractHook('swoole', [SourcePatcher::class, 'patchSwoole']);
         FileSystem::addSourceExtractHook('php-src', [SourcePatcher::class, 'patchPhpLibxml212']);
         FileSystem::addSourceExtractHook('php-src', [SourcePatcher::class, 'patchGDWin32']);
+        FileSystem::addSourceExtractHook('php-src', [SourcePatcher::class, 'patchFfiCentos7FixO3strncmp']);
         FileSystem::addSourceExtractHook('sqlsrv', [SourcePatcher::class, 'patchSQLSRVWin32']);
         FileSystem::addSourceExtractHook('pdo_sqlsrv', [SourcePatcher::class, 'patchSQLSRVWin32']);
         FileSystem::addSourceExtractHook('yaml', [SourcePatcher::class, 'patchYamlWin32']);
@@ -451,6 +452,15 @@ class SourcePatcher
         return false;
     }
 
+    public static function patchFfiCentos7FixO3strncmp(): bool
+    {
+        if (PHP_OS_FAMILY === 'Linux' && SystemUtil::getLibcVersionIfExists() === '2.17') {
+            SourcePatcher::patchFile('ffi_centos7_fix_O3_strncmp.patch', SOURCE_PATH . '/php-src');
+            return true;
+        }
+        return false;
+    }
+
     public static function patchLibaomForAlpine(): bool
     {
         if (PHP_OS_FAMILY === 'Linux' && SystemUtil::isMuslDist()) {
diff --git a/src/globals/patch/ffi_centos7_fix_O3_strncmp.patch b/src/globals/patch/ffi_centos7_fix_O3_strncmp.patch
new file mode 100644
index 00000000..815170be
--- /dev/null
+++ b/src/globals/patch/ffi_centos7_fix_O3_strncmp.patch
@@ -0,0 +1,31 @@
+--- a/ext/ffi/ffi.c	2025-01-17 10:37:37
++++ a/ext/ffi/ffi.c	2025-01-17 10:39:17
+@@ -57,6 +57,8 @@
+ /* XXX need something better, perhaps with regard to SIMD, etc. */
+ # define __BIGGEST_ALIGNMENT__ sizeof(size_t)
+ #endif
++
++#define ZEND_STRNCMP(s,str) strncmp((s),(str),(sizeof(str)-1))
+ 
+ ZEND_DECLARE_MODULE_GLOBALS(ffi)
+ 
+@@ -5046,16 +5048,16 @@ static char *zend_ffi_parse_directives(const char *fil
+ 	*scope_name = NULL;
+ 	*lib = NULL;
+ 	while (*code_pos == '#') {
+-		if (strncmp(code_pos, ZEND_STRL("#define")) == 0) {
++		if (ZEND_STRNCMP(code_pos, "#define") == 0) {
+ 			p = zend_ffi_skip_ws_and_comments(code_pos + sizeof("#define") - 1, false);
+ 
+ 			char **target = NULL;
+ 			const char *target_name = NULL;
+-			if (strncmp(p, ZEND_STRL("FFI_SCOPE")) == 0) {
++			if (ZEND_STRNCMP(p, "FFI_SCOPE") == 0) {
+ 				p = zend_ffi_skip_ws_and_comments(p + sizeof("FFI_SCOPE") - 1, false);
+ 				target = scope_name;
+ 				target_name = "FFI_SCOPE";
+-			} else if (strncmp(p, ZEND_STRL("FFI_LIB")) == 0) {
++			} else if (ZEND_STRNCMP(p, "FFI_LIB") == 0) {
+ 				p = zend_ffi_skip_ws_and_comments(p + sizeof("FFI_LIB") - 1, false);
+ 				target = lib;
+ 				target_name = "FFI_LIB";