Use __MINGW_ASM_CALL for function symbol redirect and use off_t type
(instead of _off_t) for offset parameter. off_t type follows the
_FILE_OFFSET_BITS setting. _off_t type is always 32-bit.
---
mingw-w64-headers/crt/unistd.h | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/mingw-w64-headers/crt/unistd.h b/mingw-w64-headers/crt/unistd.h
index 363fbceafa4b..c408e8fa9caf 100644
--- a/mingw-w64-headers/crt/unistd.h
+++ b/mingw-w64-headers/crt/unistd.h
@@ -56,19 +56,16 @@ int __cdecl __MINGW_NOTHROW usleep(useconds_t);
#define FTRUNCATE_DEFINED
/* This is defined as a real library function to allow autoconf
to verify its existence. */
-int ftruncate(int, _off_t);
+int ftruncate(int, off_t)
+#if (defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64))
+__MINGW_ASM_CALL(ftruncate64)
+#endif
+;
int ftruncate64(int, _off64_t);
int truncate(const char *, _off_t);
int truncate64(const char *, _off64_t);
#endif /* FTRUNCATE_DEFINED */
-#ifndef _FILE_OFFSET_BITS_SET_FTRUNCATE
-#define _FILE_OFFSET_BITS_SET_FTRUNCATE
-#if (defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64))
-#define ftruncate ftruncate64
-#endif /* _FILE_OFFSET_BITS_SET_FTRUNCATE */
-#endif /* _FILE_OFFSET_BITS_SET_FTRUNCATE */
-
#ifndef _CRT_SWAB_DEFINED
#define _CRT_SWAB_DEFINED /* Also in stdlib.h */
void __cdecl swab(char *_Buf1,char *_Buf2,int _SizeInBytes)
__MINGW_ATTRIB_DEPRECATED_MSVC2005;
--
2.20.1
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