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authorYves Orton <demerphq@gmail.com>2019-11-06 00:32:06 +0100
committerYves Orton <demerphq@gmail.com>2019-11-06 00:32:06 +0100
commitcc8ba724ccabff255f384ab68d6f6806ac2eae7c (patch)
tree5c4dab35fc944bafc782364bd3c3fcaa4014ecac /hv_macro.h
parented16b18d62c264e7e9331ea67931b66b7d976bb9 (diff)
downloadperl-cc8ba724ccabff255f384ab68d6f6806ac2eae7c.tar.gz
add defensive parens
Diffstat (limited to 'hv_macro.h')
-rw-r--r--hv_macro.h58
1 files changed, 29 insertions, 29 deletions
diff --git a/hv_macro.h b/hv_macro.h
index dee83253d0..938301733b 100644
--- a/hv_macro.h
+++ b/hv_macro.h
@@ -30,47 +30,47 @@
*/
#ifndef U8TO16_LE
- #define _shifted_octet(type,ptr,idx,shift) (((type)(((U8*)ptr)[idx]))<<shift)
+ #define _shifted_octet(type,ptr,idx,shift) (((type)(((U8*)(ptr))[(idx)]))<<(shift))
#if (BYTEORDER == 0x1234 || BYTEORDER == 0x12345678)
#ifdef USE_UNALIGNED_PTR_DEREF
#define U8TO16_LE(ptr) (*((const U16*)(ptr)))
#define U8TO32_LE(ptr) (*((const U32*)(ptr)))
#define U8TO64_LE(ptr) (*((const U64*)(ptr)))
#else
- #define U8TO16_LE(ptr) (_shifted_octet(U16,ptr,0, 0)|\
- _shifted_octet(U16,ptr,1, 8))
+ #define U8TO16_LE(ptr) (_shifted_octet(U16,(ptr),0, 0)|\
+ _shifted_octet(U16,(ptr),1, 8))
- #define U8TO32_LE(ptr) (_shifted_octet(U32,ptr,0, 0)|\
- _shifted_octet(U32,ptr,1, 8)|\
- _shifted_octet(U32,ptr,2,16)|\
- _shifted_octet(U32,ptr,3,24))
+ #define U8TO32_LE(ptr) (_shifted_octet(U32,(ptr),0, 0)|\
+ _shifted_octet(U32,(ptr),1, 8)|\
+ _shifted_octet(U32,(ptr),2,16)|\
+ _shifted_octet(U32,(ptr),3,24))
- #define U8TO64_LE(ptr) (_shifted_octet(U64,ptr,0, 0)|\
- _shifted_octet(U64,ptr,1, 8)|\
- _shifted_octet(U64,ptr,2,16)|\
- _shifted_octet(U64,ptr,3,24)|\
- _shifted_octet(U64,ptr,4,32)|\
- _shifted_octet(U64,ptr,5,40)|\
- _shifted_octet(U64,ptr,6,48)|\
- _shifted_octet(U64,ptr,7,56))
+ #define U8TO64_LE(ptr) (_shifted_octet(U64,(ptr),0, 0)|\
+ _shifted_octet(U64,(ptr),1, 8)|\
+ _shifted_octet(U64,(ptr),2,16)|\
+ _shifted_octet(U64,(ptr),3,24)|\
+ _shifted_octet(U64,(ptr),4,32)|\
+ _shifted_octet(U64,(ptr),5,40)|\
+ _shifted_octet(U64,(ptr),6,48)|\
+ _shifted_octet(U64,(ptr),7,56))
#endif
#elif (BYTEORDER == 0x4321 || BYTEORDER == 0x87654321)
- #define U8TO16_LE(ptr) (_shifted_octet(U16,ptr,1, 0)|\
- _shifted_octet(U16,ptr,0, 8))
+ #define U8TO16_LE(ptr) (_shifted_octet(U16,(ptr),1, 0)|\
+ _shifted_octet(U16,(ptr),0, 8))
- #define U8TO32_LE(ptr) (_shifted_octet(U32,ptr,3, 0)|\
- _shifted_octet(U32,ptr,2, 8)|\
- _shifted_octet(U32,ptr,1,16)|\
- _shifted_octet(U32,ptr,0,24))
+ #define U8TO32_LE(ptr) (_shifted_octet(U32,(ptr),3, 0)|\
+ _shifted_octet(U32,(ptr),2, 8)|\
+ _shifted_octet(U32,(ptr),1,16)|\
+ _shifted_octet(U32,(ptr),0,24))
- #define U8TO64_LE(ptr) (_shifted_octet(U64,ptr,7, 0)|\
- _shifted_octet(U64,ptr,6, 8)|\
- _shifted_octet(U64,ptr,5,16)|\
- _shifted_octet(U64,ptr,4,24)|\
- _shifted_octet(U64,ptr,3,32)|\
- _shifted_octet(U64,ptr,2,40)|\
- _shifted_octet(U64,ptr,1,48)|\
- _shifted_octet(U64,ptr,0,56))
+ #define U8TO64_LE(ptr) (_shifted_octet(U64,(ptr),7, 0)|\
+ _shifted_octet(U64,(ptr),6, 8)|\
+ _shifted_octet(U64,(ptr),5,16)|\
+ _shifted_octet(U64,(ptr),4,24)|\
+ _shifted_octet(U64,(ptr),3,32)|\
+ _shifted_octet(U64,(ptr),2,40)|\
+ _shifted_octet(U64,(ptr),1,48)|\
+ _shifted_octet(U64,(ptr),0,56))
#endif
#endif