From 76424950e373d3b04ac3dd13019151bfba3e8423 Mon Sep 17 00:00:00 2001
From: sumuel <samuel@yakubos.org>
Date: Mon, 17 Aug 2026 20:44:55 +0000
Subject: Add the files

---
 src/detection/libc/libc_windows.cpp | 68 +++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 src/detection/libc/libc_windows.cpp

(limited to 'src/detection/libc/libc_windows.cpp')

diff --git a/src/detection/libc/libc_windows.cpp b/src/detection/libc/libc_windows.cpp
new file mode 100644
index 0000000..c94062a
--- /dev/null
+++ b/src/detection/libc/libc_windows.cpp
@@ -0,0 +1,68 @@
+extern "C" {
+#include "libc.h"
+}
+
+#ifdef __MINGW32__
+    #include <_mingw.h>
+#endif
+
+template <uint32_t Major, uint32_t Minor>
+class version_t {
+    constexpr static auto buflen() noexcept {
+        unsigned int len = 2; // "."
+        if (Major == 0) {
+            len++;
+        } else {
+            for (auto n = Major; n; len++, n /= 10);
+        }
+
+        if (Minor == 0) {
+            len++;
+        } else {
+            for (auto n = Minor; n; len++, n /= 10);
+        }
+        return len;
+    }
+
+    char buf[buflen()] = {};
+
+  public:
+    constexpr version_t() noexcept {
+        auto ptr = buf + buflen();
+        *--ptr = '\0';
+
+        if (Minor == 0) {
+            *--ptr = '0';
+        } else {
+            for (auto n = Minor; n; n /= 10) {
+                *--ptr = "0123456789"[n % 10];
+            }
+        }
+        *--ptr = '.';
+        if (Major == 0) {
+            *--ptr = '0';
+        } else {
+            for (auto n = Major; n; n /= 10) {
+                *--ptr = "0123456789"[n % 10];
+            }
+        }
+    }
+
+    constexpr operator const char*() const {
+        return buf;
+    }
+};
+
+template <uint32_t Major, uint32_t Minor>
+constexpr version_t<Major, Minor> version;
+
+extern "C" const char* ffDetectLibc(FFLibcResult* result) {
+#ifdef _UCRT
+    result->name = "ucrt";
+#else
+    result->name = "msvcrt";
+#endif
+
+    result->version = version<(__MSVCRT_VERSION__ >> 8), (__MSVCRT_VERSION__ & 8)>;
+    return NULL;
+}
-- 
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