util: inline strndup implementation in the header

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Vedran Miletić <vedran@miletic.net>
Acked-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Edward O'Callaghan <funfunctor@folklore1984.net>

src/util/Makefile.sources

@@ -37,7 +37,6 @@ MESA_UTIL_FILES :=	\
 	slab.h \
 	string_to_uint_map.h \
 	string_to_uint_map.cpp \
-	strndup.c \
 	strndup.h \
 	strtod.c \
 	strtod.h \

src/util/strndup.c

@@ -1,47 +0,0 @@
-/*
- * 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.
- */
-
-#if defined(_WIN32)
-#include <stdlib.h>
-#include <string.h>
-#include "strndup.h"
-
-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

@@ -28,16 +28,34 @@
 
 #if defined(_WIN32)
 
+#include <string.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-char *strndup(const char *str, size_t max);
+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;
+}
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif
+#endif /* _WIN32 */
 
 #endif /* STRNDUP_H */