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authorSzabolcs Nagy <nsz@port70.net>2013-05-26 15:49:08 +0000
committerSzabolcs Nagy <nsz@port70.net>2013-05-26 15:49:08 +0000
commit41c34d188a598b016d62e152735f8466fe9910a4 (patch)
tree90efa948a7901fbfb9450a33373c17efec3f666c /arch/mips/bits
parenta6367a17d5f77848e8313b1e5e42698aec92908d (diff)
downloadmusl-41c34d188a598b016d62e152735f8466fe9910a4.tar.gz
fix ioctl _IOR, _IOW, etc macros to avoid signed overflow (2<<30)
Diffstat (limited to 'arch/mips/bits')
-rw-r--r--arch/mips/bits/ioctl.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/bits/ioctl.h b/arch/mips/bits/ioctl.h
index 5040226c..83fb1678 100644
--- a/arch/mips/bits/ioctl.h
+++ b/arch/mips/bits/ioctl.h
@@ -3,10 +3,10 @@
#define _IOC_READ 2U
#define _IOC_WRITE 4U
-#define _IO(a,b) _IOC(1U,(a),(b),0)
-#define _IOW(a,b,c) _IOC(4U,(a),(b),sizeof(c))
-#define _IOR(a,b,c) _IOC(2U,(a),(b),sizeof(c))
-#define _IOWR(a,b,c) _IOC(6U,(a),(b),sizeof(c))
+#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
+#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
+#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))
+#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c))
#define TCGETA 0x5401
#define TCSETA 0x5402