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authorFlorian Weimer <fweimer@redhat.com>2017-04-18 14:42:19 +0200
committerFlorian Weimer <fweimer@redhat.com>2017-04-18 14:42:19 +0200
commitb48061e1a534a2421c65e4258418d41a5335ba32 (patch)
tree7b2a00fe1f6b7a9e9e6726c0bbfedd20506ad1b9 /libio/freopen64.c
parent46d8874d5b2fcb7831dd84c5e2f6df51922a7936 (diff)
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Assume that dup3 is available
Diffstat (limited to 'libio/freopen64.c')
-rw-r--r--libio/freopen64.c29
1 files changed, 3 insertions, 26 deletions
diff --git a/libio/freopen64.c b/libio/freopen64.c
index 1f0d8abd720..adf749a070d 100644
--- a/libio/freopen64.c
+++ b/libio/freopen64.c
@@ -61,32 +61,9 @@ freopen64 (const char *filename, const char *mode, FILE *fp)
if (fd != -1)
{
-#ifdef O_CLOEXEC
-# ifndef __ASSUME_DUP3
- int newfd;
- if (__have_dup3 < 0)
- newfd = -1;
- else
- newfd =
-# endif
- __dup3 (_IO_fileno (result), fd,
- (result->_flags2 & _IO_FLAGS2_CLOEXEC) != 0
- ? O_CLOEXEC : 0);
-#else
-# define newfd 1
-#endif
-
-#ifndef __ASSUME_DUP3
- if (newfd < 0)
- {
- if (errno == ENOSYS)
- __have_dup3 = -1;
-
- __dup2 (_IO_fileno (result), fd);
- if ((result->_flags2 & _IO_FLAGS2_CLOEXEC) != 0)
- __fcntl (fd, F_SETFD, FD_CLOEXEC);
- }
-#endif
+ __dup3 (_IO_fileno (result), fd,
+ (result->_flags2 & _IO_FLAGS2_CLOEXEC) != 0
+ ? O_CLOEXEC : 0);
__close (_IO_fileno (result));
_IO_fileno (result) = fd;
}