Add platform files for porting to MSVC

Add msvc.c and msvc.h to build git under MSVC.

Signed-off-by: Frank Li <lznuaa@gmail.com>
Signed-off-by: Marius Storm-Olsen <mstormo@gmail.com>
Acked-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/compat/msvc.h b/compat/msvc.h
new file mode 100644
index 000000000..6daf313e8
--- /dev/null
+++ b/compat/msvc.h
@@ -0,0 +1,55 @@
+#ifndef __MSVC__HEAD
+#define __MSVC__HEAD
+
+/* Define minimize windows version */
+#define WINVER 0x0500
+#define _WIN32_WINNT 0x0500
+#define _WIN32_WINDOWS 0x0410
+#define _WIN32_IE 0x0700
+#define NTDDI_VERSION NTDDI_WIN2KSP1
+#include <winsock2.h>
+#include <direct.h>
+#include <process.h>
+#include <malloc.h>
+
+/* porting function */
+#define inline __inline
+#define __inline__ __inline
+#define __attribute__(x)
+#define va_copy(dst, src)     ((dst) = (src))
+
+static __inline int strcasecmp (const char *s1, const char *s2)
+{
+	int size1 = strlen(s1);
+	int sisz2 = strlen(s2);
+	return _strnicmp(s1, s2, sisz2 > size1 ? sisz2 : size1);
+}
+
+#undef ERROR
+#undef stat
+#undef _stati64
+#include "compat/mingw.h"
+#undef stat
+#define stat _stati64
+#define _stat64(x,y) mingw_lstat(x,y)
+
+/*
+   Even though _stati64 is normally just defined at _stat64
+   on Windows, we specify it here as a proper struct to avoid
+   compiler warnings about macro redefinition due to magic in
+   mingw.h. Struct taken from ReactOS (GNU GPL license).
+*/
+struct _stati64 {
+	_dev_t  st_dev;
+	_ino_t  st_ino;
+	unsigned short st_mode;
+	short   st_nlink;
+	short   st_uid;
+	short   st_gid;
+	_dev_t  st_rdev;
+	__int64 st_size;
+	time_t  st_atime;
+	time_t  st_mtime;
+	time_t  st_ctime;
+};
+#endif