From: Bruce Cran <bcran@fusionio.com>
Date: Mon, 28 Apr 2014 21:54:43 +0000 (-0600)
Subject: Windows: always open files in binary mode
X-Git-Tag: fio-2.1.9~11
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=9c0f3f3279985b724c2f1358bb05cc2c795f2265;ds=sidebyside

Windows: always open files in binary mode

On Windows, open() defaults to text mode, causing control characters
to be interpreted. Avoid this by passing the _O_BINARY flag.

Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/filesetup.c b/filesetup.c
index b6cf2e7d..ad7fb855 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -69,6 +69,10 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 	if (new_layout)
 		flags |= O_TRUNC;
 
+#ifdef WIN32
+	flags |= _O_BINARY;
+#endif
+
 	dprint(FD_FILE, "open file %s, flags %x\n", f->file_name, flags);
 	f->fd = open(f->file_name, flags, 0644);
 	if (f->fd < 0) {
@@ -481,6 +485,10 @@ int file_lookup_open(struct fio_file *f, int flags)
 		from_hash = 0;
 	}
 
+#ifdef WIN32
+	flags |= _O_BINARY;
+#endif
+
 	f->fd = open(f->file_name, flags, 0600);
 	return from_hash;
 }
@@ -1040,7 +1048,7 @@ int init_random_map(struct thread_data *td)
 			unsigned long seed;
 
 			seed = td->rand_seeds[FIO_RAND_BLOCK_OFF];
-			
+
 			if (!lfsr_init(&f->lfsr, blocks, seed, 0))
 				continue;
 		} else if (!td->o.norandommap) {