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-rw-r--r--newlib/libc/stdio/flags.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/newlib/libc/stdio/flags.c b/newlib/libc/stdio/flags.c
index b2e4d1666..518cc33f1 100644
--- a/newlib/libc/stdio/flags.c
+++ b/newlib/libc/stdio/flags.c
@@ -69,7 +69,9 @@ _DEFUN(__sflags, (ptr, mode, optr),
m = (m & ~O_ACCMODE) | O_RDWR;
break;
case 'b':
+#ifdef O_BINARY
m |= O_BINARY;
+#endif
break;
#ifdef __CYGWIN__
case 't':