util: Fixes gcc warning: declaration of 'strndup' shadows a built-in function [-Wshadow]

../../src/util/strndup.h:37:1: warning: declaration of 'strndup' shadows a built-in function [-Wshadow]
   37 | strndup(const char *str, size_t max)
      | ^~~~~~~

Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Eric Engestrom <eric@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37289>

src/util/meson.build

@@ -120,6 +120,7 @@ files_mesa_util = files(
   'sparse_array.h',
   'string_buffer.c',
   'string_buffer.h',
+  'strndup.c',
   'strndup.h',
   'strtod.c',
   'strtod.h',

src/util/strndup.c

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2015 Intel Corporation
+ * Copyright (c) 2025 Yonggang Luo
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "strndup.h"
+
+#if defined(_WIN32)
+char *
+strndup(const char *str, size_t max)
+{
+   size_t n;
+   char *ptr;
+
+   if (!str)
+      return NULL;
+
+   n = strnlen(str, max);
+   ptr = (char *) calloc(n + 1, sizeof(char));
+   if (!ptr)
+      return NULL;
+
+   memcpy(ptr, str, n);
+   return ptr;
+}
+#endif

src/util/strndup.h

@@ -1,24 +1,6 @@
 /*
  * Copyright (c) 2015 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
+ * SPDX-License-Identifier: MIT
  */
 
 #ifndef STRNDUP_H
@@ -33,23 +15,8 @@
 extern "C" {
 #endif
 
-static inline char *
-strndup(const char *str, size_t max)
-{
-   size_t n;
-   char *ptr;
-
-   if (!str)
-      return NULL;
-
-   n = strnlen(str, max);
-   ptr = (char *) calloc(n + 1, sizeof(char));
-   if (!ptr)
-      return NULL;
-
-   memcpy(ptr, str, n);
-   return ptr;
-}
+char *
+strndup(const char *str, size_t max);
 
 #ifdef __cplusplus
 }