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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: edk2-devel@lists.01.org, leif.lindholm@linaro.org
Cc: lersek@redhat.com, ryan.harkin@linaro.org,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>
Subject: [PATCH v2 4/6] ArmPkg/SemihostFs: eliminate calls to deprecated string functions
Date: Wed, 26 Oct 2016 09:17:40 +0100	[thread overview]
Message-ID: <1477469862-10046-5-git-send-email-ard.biesheuvel@linaro.org> (raw)
In-Reply-To: <1477469862-10046-1-git-send-email-ard.biesheuvel@linaro.org>

Remove calls to deprecated string functions like AsciiStrCpy() and
UnicodeStrToAsciiStr()

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c b/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c
index 6efdad9ebcce..cf94ecd5d56f 100644
--- a/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c
+++ b/ArmPkg/Filesystem/SemihostFs/Arm/SemihostFs.c
@@ -207,11 +207,12 @@ FileOpen (
     return EFI_WRITE_PROTECTED;
   }
 
-  AsciiFileName = AllocatePool (StrLen (FileName) + 1);
+  Length = StrLen (FileName) + 1;
+  AsciiFileName = AllocatePool (Length);
   if (AsciiFileName == NULL) {
     return EFI_OUT_OF_RESOURCES;
   }
-  UnicodeStrToAsciiStr (FileName, AsciiFileName);
+  UnicodeStrToAsciiStrS (FileName, AsciiFileName, Length);
 
   // Opening '/', '\', '.', or the NULL pathname is trying to open the root directory
   if ((AsciiStrCmp (AsciiFileName, "\\") == 0) ||
@@ -463,7 +464,7 @@ FileDelete (
     NameSize = AsciiStrLen (Fcb->FileName);
     FileName = AllocatePool (NameSize + 1);
 
-    AsciiStrCpy (FileName, Fcb->FileName);
+    AsciiStrCpyS (FileName, NameSize + 1, Fcb->FileName);
 
     // Close the file if it's open.  Disregard return status,
     // since it might give an error if the file isn't open.
@@ -828,8 +829,10 @@ GetFilesystemInfo (
   EFI_FILE_SYSTEM_INFO  *Info;
   EFI_STATUS            Status;
   UINTN                 ResultSize;
+  UINTN                 StringSize;
 
-  ResultSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize (mSemihostFsLabel);
+  StringSize = StrSize (mSemihostFsLabel);
+  ResultSize = SIZE_OF_EFI_FILE_SYSTEM_INFO + StringSize;
 
   if (*BufferSize >= ResultSize) {
     ZeroMem (Buffer, ResultSize);
@@ -843,7 +846,7 @@ GetFilesystemInfo (
     Info->FreeSpace  = 0;
     Info->BlockSize  = 0;
 
-    StrCpy (Info->VolumeLabel, mSemihostFsLabel);
+    CopyMem (Info->VolumeLabel, mSemihostFsLabel, StringSize);
   } else {
     Status = EFI_BUFFER_TOO_SMALL;
   }
@@ -903,7 +906,7 @@ FileGetInfo (
     ResultSize = StrSize (mSemihostFsLabel);
 
     if (*BufferSize >= ResultSize) {
-      StrCpy (Buffer, mSemihostFsLabel);
+      CopyMem (Buffer, mSemihostFsLabel, *BufferSize);
       Status = EFI_SUCCESS;
     } else {
       Status = EFI_BUFFER_TOO_SMALL;
@@ -963,11 +966,12 @@ SetFileInfo (
     return EFI_ACCESS_DENIED;
   }
 
-  AsciiFileName = AllocatePool (StrLen (Info->FileName) + 1);
+  Length = StrLen (Info->FileName) + 1;
+  AsciiFileName = AllocatePool (Length);
   if (AsciiFileName == NULL) {
     return EFI_OUT_OF_RESOURCES;
   }
-  UnicodeStrToAsciiStr (Info->FileName, AsciiFileName);
+  UnicodeStrToAsciiStrS (Info->FileName, AsciiFileName, Length);
 
   FileSizeIsDifferent = (Info->FileSize != Fcb->Info.FileSize);
   FileNameIsDifferent = (AsciiStrCmp (AsciiFileName, Fcb->FileName) != 0);
-- 
2.7.4



  parent reply	other threads:[~2016-10-26  8:17 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-26  8:17 [PATCH v2 0/6] ArmPkg: eliminate calls to deprecated functions Ard Biesheuvel
2016-10-26  8:17 ` [PATCH v2 1/6] ArmPkg: add missing components Ard Biesheuvel
2016-10-26  8:17 ` [PATCH v2 2/6] ArmPkg/ArmCortexA9Lib RVCT: remove incompatible GCC include Ard Biesheuvel
2016-10-26  8:17 ` [PATCH v2 3/6] ArmPkg/LinuxLoader: eliminate calls to deprecated string functions Ard Biesheuvel
2016-10-26  8:17 ` Ard Biesheuvel [this message]
2016-10-26 11:55   ` [PATCH v2 4/6] ArmPkg/SemihostFs: " Laszlo Ersek
2016-10-26 12:24     ` Ryan Harkin
2016-10-26  8:17 ` [PATCH v2 5/6] ArmPkg/BdsLib: " Ard Biesheuvel
2016-10-26 12:04   ` Laszlo Ersek
2016-10-26  8:17 ` [PATCH v2 6/6] ArmPkg: enable -DDISABLE_NEW_DEPRECATED_INTERFACES Ard Biesheuvel
2016-10-26 12:11 ` [PATCH v2 0/6] ArmPkg: eliminate calls to deprecated functions Ryan Harkin
2016-10-26 12:13   ` Ard Biesheuvel
2016-10-26 12:21     ` Ryan Harkin
2016-10-26 13:06       ` Ryan Harkin

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