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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
parent46d8874d5b2fcb7831dd84c5e2f6df51922a7936 (diff)
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Assume that dup3 is available
Diffstat (limited to 'libio')
-rw-r--r--libio/freopen.c29
-rw-r--r--libio/freopen64.c29
2 files changed, 6 insertions, 52 deletions
diff --git a/libio/freopen.c b/libio/freopen.c
index 03e3ae77ba..ad1c848877 100644
--- a/libio/freopen.c
+++ b/libio/freopen.c
@@ -78,32 +78,9 @@ freopen (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;
 	}
diff --git a/libio/freopen64.c b/libio/freopen64.c
index 1f0d8abd72..adf749a070 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;
 	}