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Convert to unsigned int before left shift
author
Yaowu Xu
<yaowu@google.com>
Wed, 25 May 2016 21:02:22 +0000
(14:02 -0700)
committer
Yaowu Xu
<yaowu@google.com>
Thu, 26 May 2016 15:46:01 +0000
(08:46 -0700)
This is to fix overflow when 128 is left shifted by 24.
Change-Id: Ibb5f6813536d985afa003a9848c0c3dd358955a7
vpx_ports/mem_ops.h
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diff --git
a/vpx_ports/mem_ops.h
b/vpx_ports/mem_ops.h
index
1f8f914
..
80c034e
100644
(file)
--- a/
vpx_ports/mem_ops.h
+++ b/
vpx_ports/mem_ops.h
@@
-89,7
+89,7
@@
static unsigned MEM_VALUE_T mem_get_be32(const void *vmem) {
unsigned MEM_VALUE_T val;
const MAU_T *mem = (const MAU_T *)vmem;
- val =
mem[0]
<< 24;
+ val =
((unsigned int)mem[0])
<< 24;
val |= mem[1] << 16;
val |= mem[2] << 8;
val |= mem[3];