From: Markos Chandras <[email protected]>
Signed-off-by: Markos Chandras <[email protected]>
---
libc/sysdeps/linux/common/dup2.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/libc/sysdeps/linux/common/dup2.c b/libc/sysdeps/linux/common/dup2.c
index 006f06b..e58105d 100644
--- a/libc/sysdeps/linux/common/dup2.c
+++ b/libc/sysdeps/linux/common/dup2.c
@@ -10,6 +10,12 @@
#include <sys/syscall.h>
#include <unistd.h>
-
+#if defined(__NR_dup3) && ! defined(__NR_dup2)
+int dup2(int old, int newfd)
+{
+ return dup3(old, newfd, 0);
+}
+#else
_syscall2(int, dup2, int, oldfd, int, newfd)
+#endif
libc_hidden_def(dup2)
--
1.7.1
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