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-rw-r--r--src/H5win32defs.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/H5win32defs.h b/src/H5win32defs.h
index 5daef23..5f886d1 100644
--- a/src/H5win32defs.h
+++ b/src/H5win32defs.h
@@ -33,8 +33,9 @@ typedef __int64 h5_stat_size_t;
#define HDdup(F) _dup(F)
#define HDfdopen(N,S) _fdopen(N,S)
#define HDfileno(F) _fileno(F)
-#define HDftruncate(F,L) _chsize_s(F,L)
+#define HDfseek(F,O,W) _fseeki64(F,O,W)
#define HDfstat(F,B) _fstati64(F,B)
+#define HDftruncate(F,L) _chsize_s(F,L)
#define HDisatty(F) _isatty(F)
#define HDgetcwd(S,Z) _getcwd(S,Z)
#define HDgetdcwd(D,S,Z) _getdcwd(D,S,Z)
@@ -43,6 +44,9 @@ typedef __int64 h5_stat_size_t;
#define HDlstat(S,B) _lstati64(S,B)
#define HDmkdir(S,M) _mkdir(S)
#define HDoff_t __int64
+/* _O_BINARY must be set in Windows to avoid CR-LF <-> LF EOL
+ * transformations when performing I/O.
+ */
#define HDopen(S,F,M) _open(S,F|_O_BINARY,M)
#define HDread(F,M,Z) _read(F,M,Z)
#define HDsetvbuf(F,S,M,Z) setvbuf(F,S,M,(Z>1?Z:2))