From e8b2d359d62b3c6df48e6fe1bb4609add7c487c7 Mon Sep 17 00:00:00 2001
From: Andrea Mazzoleni <amadvance@gmail.com>
Date: Wed, 10 Jul 2013 18:31:48 +0200
Subject: [PATCH] Doesn't use the physical address in Wine.

---
 mingw.c | 25 ++++++++++++++++++++++++-
 mingw.h | 28 ++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/mingw.c b/mingw.c
index c18164bd..8b74e103 100644
--- a/mingw.c
+++ b/mingw.c
@@ -48,6 +48,7 @@ typedef struct _FILE_ATTRIBUTE_TAG_INFO {
 #define WIN32_ES_AWAYMODE_REQUIRED    0x00000040L
 #define WIN32_ES_CONTINUOUS           0x80000000L
 
+#ifndef FSCTL_GET_RETRIEVAL_POINTERS
 #define FSCTL_GET_RETRIEVAL_POINTERS 0x00090073
 
 typedef struct RETRIEVAL_POINTERS_BUFFER {
@@ -62,6 +63,7 @@ typedef struct RETRIEVAL_POINTERS_BUFFER {
 typedef struct {
 	LARGE_INTEGER StartingVcn;
 } STARTING_VCN_INPUT_BUFFER;
+#endif
 
 /**
  * Portable implementation of GetFileInformationByHandleEx.
@@ -86,14 +88,27 @@ static BOOLEAN (WINAPI* ptr_CreateSymbolicLinkW)(LPWSTR, LPWSTR, DWORD);
  */
 static char* last_error;
 
+/**
+ * If we are running in Wine.
+ */
+static int is_wine;
+
 void os_init(void)
 {
-	HMODULE kernel32 = GetModuleHandle("KERNEL32.DLL");
+	HMODULE kernel32, ntdll;
+
+	kernel32 = GetModuleHandle("KERNEL32.DLL");
 	if (!kernel32) {
 		fprintf(stderr, "Error loading the KERNEL32 module.\n");
 		exit(EXIT_FAILURE);
 	}
 
+	ntdll = GetModuleHandle("NTDLL.DLL");
+	if (!ntdll) {
+		fprintf(stderr, "Error loading the NTDLL module.\n");
+		exit(EXIT_FAILURE);
+	}	
+
 	/* load functions not always available */
 	ptr_SetThreadExecutionState = (void*)GetProcAddress(kernel32, "SetThreadExecutionState");
 	ptr_GetFileInformationByHandleEx = (void*)GetProcAddress(kernel32, "GetFileInformationByHandleEx");
@@ -108,6 +123,8 @@ void os_init(void)
 		}
 	}
 
+	is_wine = GetProcAddress(ntdll, "wine_get_version") != 0;
+
 	last_error = 0;
 }
 
@@ -1086,6 +1103,12 @@ int filephy(const char* file, struct stat* st, uint64_t* physical)
 	DWORD ret;
 	DWORD n;
 
+	/* in Wine just uses the inode number as FSCTL_GET_RETRIVIAL_POINTERS is not supported */
+	if (is_wine) {
+		*physical = st->st_ino;
+		return 0;
+	}
+
 	/* open the handle of the file */
 	h = CreateFileW(convert(file), 0, FILE_SHARE_READ | FILE_SHARE_WRITE, 0, OPEN_EXISTING, 0, 0);
 	if (h == INVALID_HANDLE_VALUE) {
diff --git a/mingw.h b/mingw.h
index e3bdfeec..bd0c16fa 100644
--- a/mingw.h
+++ b/mingw.h
@@ -29,33 +29,52 @@
 #define PATH_MAX 1024
 
 /* Remap functions and types */
+#undef fopen
 #define fopen windows_fopen
+#undef open
 #define open windows_open
 #define open_noatime windows_open
+#undef stat
 #define stat windows_stat
+#undef lstat
 #define lstat windows_lstat
+#undef off_t
 #define off_t off64_t
+#undef fstat
 #define fstat windows_fstat
 #define HAVE_FTRUNCATE 1
+#undef ftruncate
 #define ftruncate windows_ftruncate
 #define HAVE_FSYNC 1
+#undef fsync
 #define fsync _commit
+#undef rename
 #define rename windows_rename
+#undef remove
 #define remove windows_remove
+#undef mkdir
 #define mkdir(a, b) windows_mkdir(a)
+#undef rmdir
 #define rmdir windows_rmdir
+#undef dirent
 #define dirent windows_dirent
+#undef DIR
 #define DIR windows_dir
+#undef opendir
 #define opendir windows_opendir
+#undef readdir
 #define readdir windows_readdir
+#undef closedir
 #define closedir windows_closedir
 #define HAVE_FUTIMENS 1
+#undef futimens
 #define futimens windows_futimens
 #define O_NOFOLLOW 0
 #define dirent_hidden windows_dirent_hidden
 #define HAVE_DIRENT_LSTAT 1
 #define dirent_lstat windows_dirent_lstat
 #define stat_desc windows_stat_desc
+#undef sleep
 #define sleep windows_sleep
 /* 4==DIR, 5,6,7=free, 8==REG */
 #define S_IFLNK 0x5000 /* Symbolic link to file */
@@ -64,16 +83,25 @@
 #define S_ISLNKDIR(m) (((m) & _S_IFMT) == S_IFLNKDIR)
 #define S_IFJUN 0x7000 /* Junction */
 #define S_ISJUN(m) (((m) & _S_IFMT) == S_IFJUN)
+#undef readlink
 #define readlink windows_readlink
+#undef symlink
 #define symlink windows_symlink
+#undef link
 #define link windows_link
+#undef strerror
 #define strerror windows_strerror
+#undef read
 #define read windows_read
+#undef write
 #define write windows_write
+#undef lseek
 #define lseek windows_lseek
 #define HAVE_PREAD 1
 #define HAVE_PWRITE 1
+#undef pread
 #define pread windows_pread
+#undef pwrite
 #define pwrite windows_pwrite
 
 /* We have nano second support */