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authorLeif Lindholm <leif.lindholm@linaro.org>2019-06-13 16:48:28 +0100
committerLeif Lindholm <leif.lindholm@linaro.org>2019-06-17 12:04:11 +0100
commit1d7571166fa8ef4bee3264e8a027b49ea9d98bd3 (patch)
tree66514a24ae6b5b5b316362dbab62f26294f615fe /EmbeddedPkg
parent7c974d6b6e8119372d9e51b8b686d31d8665ab91 (diff)
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EmbeddedPkg: improve TimeBaseLib type safety
EfiTimeToEpoch currently returns a UINTN. Also, some internal calculations was using UINTN for fixed-width. Both of these lead to warnings/errors with VS2017. Replace with appropriate fixed-size types. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=997 Cc: Alexei Fedorov <Alexei.Fedorov@arm.com> Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Diffstat (limited to 'EmbeddedPkg')
-rw-r--r--EmbeddedPkg/Include/Library/TimeBaseLib.h4
-rw-r--r--EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c18
2 files changed, 11 insertions, 11 deletions
diff --git a/EmbeddedPkg/Include/Library/TimeBaseLib.h b/EmbeddedPkg/Include/Library/TimeBaseLib.h
index d51059cb1f..4103c89b38 100644
--- a/EmbeddedPkg/Include/Library/TimeBaseLib.h
+++ b/EmbeddedPkg/Include/Library/TimeBaseLib.h
@@ -1,7 +1,7 @@
/** @file
*
* Copyright (c) 2016, Hisilicon Limited. All rights reserved.
-* Copyright (c) 2016, Linaro Limited. All rights reserved.
+* Copyright (c) 2016-2019, Linaro Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
@@ -53,7 +53,7 @@ EpochToEfiTime (
/**
Converts EFI_TIME to Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC)
**/
-UINTN
+UINT32
EFIAPI
EfiTimeToEpoch (
IN EFI_TIME *Time
diff --git a/EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c b/EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c
index 662cbdd5da..136ce8a51e 100644
--- a/EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c
+++ b/EmbeddedPkg/Library/TimeBaseLib/TimeBaseLib.c
@@ -1,7 +1,7 @@
/** @file
*
* Copyright (c) 2016, Hisilicon Limited. All rights reserved.
-* Copyright (c) 2016, Linaro Limited. All rights reserved.
+* Copyright (c) 2016-2019, Linaro Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
@@ -53,9 +53,9 @@ EpochToEfiTime (
m = (((da * 5) + 308) / 153) - 2;
d = da - (((m + 4) * 153) / 5) + 122;
- Time->Year = y - 4800 + ((m + 2) / 12);
+ Time->Year = (UINT16)(y - 4800 + ((m + 2) / 12));
Time->Month = ((m + 2) % 12) + 1;
- Time->Day = d + 1;
+ Time->Day = (UINT8)(d + 1);
ss = EpochSeconds % 60;
a = (EpochSeconds - ss) / 60;
@@ -63,9 +63,9 @@ EpochToEfiTime (
b = (a - mm) / 60;
hh = b % 24;
- Time->Hour = hh;
- Time->Minute = mm;
- Time->Second = ss;
+ Time->Hour = (UINT8)hh;
+ Time->Minute = (UINT8)mm;
+ Time->Second = (UINT8)ss;
Time->Nanosecond = 0;
}
@@ -99,14 +99,14 @@ EfiGetEpochDays (
/**
Converts EFI_TIME to Epoch seconds (elapsed since 1970 JANUARY 01, 00:00:00 UTC)
**/
-UINTN
+UINT32
EFIAPI
EfiTimeToEpoch (
IN EFI_TIME *Time
)
{
- UINTN EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY
- UINTN EpochSeconds;
+ UINT32 EpochDays; // Number of days elapsed since EPOCH_JULIAN_DAY
+ UINT32 EpochSeconds;
EpochDays = EfiGetEpochDays (Time);