1 files changed, 108 insertions, 0 deletions
diff --git a/src/util/cc-compat.h b/src/util/cc-compat.h
new file mode 100644
index 0000000..ede6e9a
--- /dev/null
+++ b/src/util/cc-compat.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_cc_compat_h__
+#define INCLUDE_cc_compat_h__
+
+#include <stdarg.h>
+
+/*
+ * See if our compiler is known to support flexible array members.
+ */
+#ifndef GIT_FLEX_ARRAY
+#	if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
+#		define GIT_FLEX_ARRAY /* empty */
+#	elif defined(__GNUC__)
+#		if (__GNUC__ >= 3)
+#			define GIT_FLEX_ARRAY /* empty */
+#		else
+#			define GIT_FLEX_ARRAY 0 /* older GNU extension */
+#		endif
+#	endif
+
+/* Default to safer but a bit wasteful traditional style */
+#	ifndef GIT_FLEX_ARRAY
+#		define GIT_FLEX_ARRAY 1
+#	endif
+#endif
+
+#if defined(__GNUC__)
+#	define GIT_ALIGN(x,size) x __attribute__ ((aligned(size)))
+#elif defined(_MSC_VER)
+#	define GIT_ALIGN(x,size) __declspec(align(size)) x
+#else
+#	define GIT_ALIGN(x,size) x
+#endif
+
+#if defined(__GNUC__)
+# define GIT_UNUSED(x)                                                         \
+	do {                                                                   \
+		__typeof__(x) _unused __attribute__((unused));                 \
+		_unused = (x);                                                 \
+	} while (0)
+# define GIT_UNUSED_ARG __attribute__((unused))
+#else
+# define GIT_UNUSED(x) ((void)(x))
+# define GIT_UNUSED_ARG
+#endif
+
+/* Define the printf format specifier to use for size_t output */
+#if defined(_MSC_VER) || defined(__MINGW32__)
+
+/* Visual Studio 2012 and prior lack PRId64 entirely */
+#	ifndef PRId64
+#		define PRId64 "I64d"
+#	endif
+
+/* The first block is needed to avoid warnings on MingW amd64 */
+#	if (SIZE_MAX == ULLONG_MAX)
+#		define PRIuZ "I64u"
+#		define PRIxZ "I64x"
+#		define PRIXZ "I64X"
+#		define PRIdZ "I64d"
+#	else
+#		define PRIuZ "Iu"
+#		define PRIxZ "Ix"
+#		define PRIXZ "IX"
+#		define PRIdZ "Id"
+#	endif
+
+#else
+#	define PRIuZ "zu"
+#	define PRIxZ "zx"
+#	define PRIXZ "zX"
+#	define PRIdZ "zd"
+#endif
+
+/* Microsoft Visual C/C++ */
+#if defined(_MSC_VER)
+/* disable "deprecated function" warnings */
+#	pragma warning ( disable : 4996 )
+/* disable "conditional expression is constant" level 4 warnings */
+#	pragma warning ( disable : 4127 )
+#endif
+
+#if defined (_MSC_VER)
+	typedef unsigned char bool;
+#	ifndef true
+#		define true 1
+#	endif
+#	ifndef false
+#		define false 0
+#	endif
+#else
+#	include <stdbool.h>
+#endif
+
+#ifndef va_copy
+#	ifdef __va_copy
+#		define va_copy(dst, src) __va_copy(dst, src)
+#	else
+#		define va_copy(dst, src) ((dst) = (src))
+#	endif
+#endif
+
+#endif