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-rw-r--r--src/music/dmusic.cpp10
-rw-r--r--src/os/windows/win32.cpp9
-rw-r--r--src/screenshot.cpp11
-rw-r--r--src/stdafx.h13
4 files changed, 20 insertions, 23 deletions
diff --git a/src/music/dmusic.cpp b/src/music/dmusic.cpp
index d48f51e85..56707a797 100644
--- a/src/music/dmusic.cpp
+++ b/src/music/dmusic.cpp
@@ -102,21 +102,19 @@ private:
bool ReadDLSWave(FILE *f, DWORD list_length, long offset);
};
-#pragma pack(2)
/** A RIFF chunk header. */
-struct ChunkHeader {
+PACK_N(struct ChunkHeader {
FOURCC type; ///< Chunk type.
DWORD length; ///< Length of the chunk, not including the chunk header itself.
-};
+}, 2);
/** Buffer format for a DLS wave download. */
-struct WAVE_DOWNLOAD {
+PACK_N(struct WAVE_DOWNLOAD {
DMUS_DOWNLOADINFO dlInfo;
ULONG ulOffsetTable[2];
DMUS_WAVE dmWave;
DMUS_WAVEDATA dmWaveData;
-};
-#pragma pack()
+}, 2);
struct PlaybackSegment {
uint32 start, end;
diff --git a/src/os/windows/win32.cpp b/src/os/windows/win32.cpp
index 2d853037f..59b2fccac 100644
--- a/src/os/windows/win32.cpp
+++ b/src/os/windows/win32.cpp
@@ -805,16 +805,15 @@ int OTTDStringCompare(const char *s1, const char *s2)
}
#ifdef _MSC_VER
-/* Code from MSDN: https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx */
+/* Based on code from MSDN: https://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx */
const DWORD MS_VC_EXCEPTION = 0x406D1388;
-#pragma pack(push,8)
-typedef struct {
+
+PACK_N(struct THREADNAME_INFO {
DWORD dwType; ///< Must be 0x1000.
LPCSTR szName; ///< Pointer to name (in user addr space).
DWORD dwThreadID; ///< Thread ID (-1=caller thread).
DWORD dwFlags; ///< Reserved for future use, must be zero.
-} THREADNAME_INFO;
-#pragma pack(pop)
+}, 8);
/**
* Signal thread name to any attached debuggers.
diff --git a/src/screenshot.cpp b/src/screenshot.cpp
index a24cc6b21..1e7a45645 100644
--- a/src/screenshot.cpp
+++ b/src/screenshot.cpp
@@ -71,23 +71,16 @@ struct ScreenshotFormat {
/*************************************************
**** SCREENSHOT CODE FOR WINDOWS BITMAP (.BMP)
*************************************************/
-#if defined(_MSC_VER) || defined(__WATCOMC__)
-#pragma pack(push, 1)
-#endif
/** BMP File Header (stored in little endian) */
-struct BitmapFileHeader {
+PACK(struct BitmapFileHeader {
uint16 type;
uint32 size;
uint32 reserved;
uint32 off_bits;
-} GCC_PACK;
+});
assert_compile(sizeof(BitmapFileHeader) == 14);
-#if defined(_MSC_VER) || defined(__WATCOMC__)
-#pragma pack(pop)
-#endif
-
/** BMP Info Header (stored in little endian) */
struct BitmapInfoHeader {
uint32 size;
diff --git a/src/stdafx.h b/src/stdafx.h
index 621b1f61d..54709d151 100644
--- a/src/stdafx.h
+++ b/src/stdafx.h
@@ -133,7 +133,6 @@
#define NORETURN __attribute__ ((noreturn))
#define CDECL
#define __int64 long long
- #define GCC_PACK __attribute__((packed))
/* Warn about functions using 'printf' format syntax. First argument determines which parameter
* is the format string, second argument is start of values passed to printf. */
#define WARN_FORMAT(string, args) __attribute__ ((format (printf, string, args)))
@@ -158,7 +157,6 @@
#if defined(__WATCOMC__)
#define NORETURN
#define CDECL
- #define GCC_PACK
#define WARN_FORMAT(string, args)
#define FINAL
#define FALLTHROUGH
@@ -224,7 +222,6 @@
#endif
#define CDECL _cdecl
- #define GCC_PACK
#define WARN_FORMAT(string, args)
#define FINAL sealed
@@ -303,6 +300,16 @@
#define PATHSEPCHAR '/'
#endif
+#if defined(_MSC_VER) || defined(__WATCOMC__)
+# define PACK_N(type_dec, n) __pragma(pack(push, n)) type_dec; __pragma(pack(pop))
+#elif defined(__MINGW32__)
+# define PRAGMA(x) _Pragma(#x)
+# define PACK_N(type_dec, n) PRAGMA(pack(push, n)) type_dec; PRAGMA(pack(pop))
+#else
+# define PACK_N(type_dec, n) type_dec __attribute__((__packed__, aligned(n)))
+#endif
+#define PACK(type_dec) PACK_N(type_dec, 1)
+
/* MSVCRT of course has to have a different syntax for long long *sigh* */
#if defined(_MSC_VER) || defined(__MINGW32__)
#define OTTD_PRINTF64 "%I64d"