t1020: test !alias in subdirectory

diff --git a/compat/bswap.h b/compat/bswap.h
index 7246a12c6eee9411d694b9022c0f21af9a6d4de5..5061214f73d2d51cfd1d49b97b4e69be913928bd 100644 (file)
--- a/compat/bswap.h
+++ b/compat/bswap.h
@@ -9,7 +9,7 @@
  * Default version that the compiler ought to optimize properly with
  * constant values.
  */
-static inline unsigned int default_swab32(unsigned int val)
+static inline uint32_t default_swab32(uint32_t val)
 {
        return (((val & 0xff000000) >> 24) |
                ((val & 0x00ff0000) >>  8) |
@@ -17,16 +17,30 @@ static inline unsigned int default_swab32(unsigned int val)
                ((val & 0x000000ff) << 24));
 }
 
+#undef bswap32
+
 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
 
-#define bswap32(x) ({ \
-       unsigned int __res; \
-       if (__builtin_constant_p(x)) { \
-               __res = default_swab32(x); \
-       } else { \
-               __asm__("bswap %0" : "=r" (__res) : "0" (x)); \
-       } \
-       __res; })
+#define bswap32 git_bswap32
+static inline uint32_t git_bswap32(uint32_t x)
+{
+       uint32_t result;
+       if (__builtin_constant_p(x))
+               result = default_swab32(x);
+       else
+               __asm__("bswap %0" : "=r" (result) : "0" (x));
+       return result;
+}
+
+#elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
+
+#include <stdlib.h>
+
+#define bswap32(x) _byteswap_ulong(x)
+
+#endif
+
+#ifdef bswap32
 
 #undef ntohl
 #undef htonl