Provide a safe definition of O_ACCMODE

Some libcs e.g. musl are guilty of messing up with O_ACCMODE.

* open.c (O_ACCMODE): Redefine to 03.

diff --git a/open.c b/open.c
index 6128fb00554c72602d03c2d7a247cbdc251a001a..2944d55c4190e332c1ced3ed2c9245c5caba12e6 100644 (file)
--- a/open.c
+++ b/open.c
@@ -36,6 +36,10 @@
 
 #include <fcntl.h>
 
+/* some libcs are guilty of messing up with O_ACCMODE */
+#undef O_ACCMODE
+#define O_ACCMODE 03
+
 #ifdef O_LARGEFILE
 # if O_LARGEFILE == 0          /* biarch platforms in 64-bit mode */
 #  undef O_LARGEFILE