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Correct undefined behavior: shifting signed 32 by 31 bits

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Thanks Aru!
This commit is contained in:
Lirusaito
2019-03-06 16:04:42 -05:00
parent f0b3527bb5
commit 22609412e4
2 changed files with 3 additions and 3 deletions
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2
indra/llinventory/llparcelflags.h
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@@ -68,7 +68,7 @@ const U32 PF_ALLOW_ALL_OBJECT_ENTRY = 1 << 27; // Allow all objects to enter a
const U32 PF_ALLOW_GROUP_OBJECT_ENTRY = 1 << 28; // Only allow group (and owner) objects to enter the parcel const U32 PF_ALLOW_GROUP_OBJECT_ENTRY = 1 << 28; // Only allow group (and owner) objects to enter the parcel
const U32 PF_ALLOW_VOICE_CHAT = 1 << 29; // Allow residents to use voice chat on this parcel const U32 PF_ALLOW_VOICE_CHAT = 1 << 29; // Allow residents to use voice chat on this parcel
const U32 PF_USE_ESTATE_VOICE_CHAN = 1 << 30; const U32 PF_USE_ESTATE_VOICE_CHAN = 1 << 30;
const U32 PF_DENY_AGEUNVERIFIED = 1 << 31; // Prevent residents who aren't age-verified const U32 PF_DENY_AGEUNVERIFIED = 1U << 31; // Prevent residents who aren't age-verified
// NOTE: At one point we have used all of the bits. // NOTE: At one point we have used all of the bits.
// We have deprecated two of them in 1.19.0 which *could* be reused, // We have deprecated two of them in 1.19.0 which *could* be reused,
// but only after we are certain there are no simstates using those bits. // but only after we are certain there are no simstates using those bits.

4
indra/llmath/llmath.h
View File

@@ -395,7 +395,7 @@ inline U32 get_lower_power_two(U32 val, U32 max_power_two)
{ {
if(!max_power_two) if(!max_power_two)
{ {
max_power_two = 1 << 31 ; max_power_two = 1U << 31 ;
} }
if(max_power_two & (max_power_two - 1)) if(max_power_two & (max_power_two - 1))
{ {
@@ -417,7 +417,7 @@ inline U32 get_next_power_two(U32 val, U32 max_power_two)
{ {
if(!max_power_two) if(!max_power_two)
{ {
max_power_two = 1 << 31 ; max_power_two = 1U << 31 ;
} }
if(val >= max_power_two) if(val >= max_power_two)