[edk2-devel] [PATCH 5/8] ShellPkg/Ls: sort output by FileName in non-SFO mode

Gao, Zhichao zhichao.gao at intel.com
Wed Jan 13 03:04:18 UTC 2021


Reviewed-by: Zhichao Gao <zhichao.gao at intel.com>

Thanks,
Zhichao

> -----Original Message-----
> From: Laszlo Ersek <lersek at redhat.com>
> Sent: Monday, January 4, 2021 11:43 PM
> To: edk2-devel-groups-io <devel at edk2.groups.io>
> Cc: Philippe Mathieu-Daudé <philmd at redhat.com>; Ni, Ray <ray.ni at intel.com>;
> Gao, Zhichao <zhichao.gao at intel.com>
> Subject: [PATCH 5/8] ShellPkg/Ls: sort output by FileName in non-SFO mode
> 
> Sorting the LS output in non-SFO mode by FileName is best demonstrated with
> two examples.
> 
> (1a) Before:
> 
> > FS2:\> dir -r apps
> > Directory of: FS2:\apps\
> > 01/01/1970  01:00 <DIR> r           0  .
> > 12/22/2020  17:53 <DIR>         4,096  X64
> > 12/22/2020  17:53 <DIR>         4,096  AARCH64
> > 01/01/1970  01:00 <DIR> r           0  ..
> > 12/22/2020  17:53 <DIR>         4,096  IA32
> >           0 File(s)           0 bytes
> >           5 Dir(s)
> > Directory of: FS2:\apps\X64\
> > 12/22/2020  17:52              18,752  DumpDynPcd.efi
> > 12/22/2020  17:52              34,240  SmiHandlerProfileInfo.efi
> > 01/01/1970  01:00 <DIR> r           0  .
> > 12/22/2020  17:52              11,456  VariableInfo.efi
> > 12/22/2020  17:52              26,304  MemoryProfileInfo.efi
> > 12/22/2020  17:53             126,656  AcpiViewApp.efi
> > 12/22/2020  17:53              38,784  Cpuid.efi
> > 01/01/1970  01:00 <DIR> r           0  ..
> >           6 File(s)     256,192 bytes
> >           2 Dir(s)
> > Directory of: FS2:\apps\AARCH64\
> > 12/22/2020  17:52              32,768  DumpDynPcd.efi
> > 01/01/1970  01:00 <DIR> r           0  .
> > 12/22/2020  17:52              20,480  VariableInfo.efi
> > 12/22/2020  17:52              40,960  MemoryProfileInfo.efi
> > 12/22/2020  17:53             139,264  AcpiViewApp.efi
> > 01/01/1970  01:00 <DIR> r           0  ..
> >           4 File(s)     233,472 bytes
> >           2 Dir(s)
> > Directory of: FS2:\apps\IA32\
> > 12/22/2020  17:52              17,344  DumpDynPcd.efi
> > 12/22/2020  17:52              30,720  SmiHandlerProfileInfo.efi
> > 01/01/1970  01:00 <DIR> r           0  .
> > 12/22/2020  17:52              10,880  VariableInfo.efi
> > 12/22/2020  17:52              24,192  MemoryProfileInfo.efi
> > 12/22/2020  17:53             105,536  AcpiViewApp.efi
> > 12/22/2020  17:53              36,096  Cpuid.efi
> > 01/01/1970  01:00 <DIR> r           0  ..
> >           6 File(s)     224,768 bytes
> >           2 Dir(s)
> 
> (1b) After:
> 
> > FS2:\> dir -r apps
> > Directory of: FS2:\apps\
> > 01/01/1970  01:00 <DIR> r           0  .
> > 01/01/1970  01:00 <DIR> r           0  ..
> > 12/22/2020  17:53 <DIR>         4,096  AARCH64
> > 12/22/2020  17:53 <DIR>         4,096  IA32
> > 12/22/2020  17:53 <DIR>         4,096  X64
> >           0 File(s)           0 bytes
> >           5 Dir(s)
> > Directory of: FS2:\apps\X64\
> > 01/01/1970  01:00 <DIR> r           0  .
> > 01/01/1970  01:00 <DIR> r           0  ..
> > 12/22/2020  17:53             126,656  AcpiViewApp.efi
> > 12/22/2020  17:53              38,784  Cpuid.efi
> > 12/22/2020  17:52              18,752  DumpDynPcd.efi
> > 12/22/2020  17:52              26,304  MemoryProfileInfo.efi
> > 12/22/2020  17:52              34,240  SmiHandlerProfileInfo.efi
> > 12/22/2020  17:52              11,456  VariableInfo.efi
> >           6 File(s)     256,192 bytes
> >           2 Dir(s)
> > Directory of: FS2:\apps\AARCH64\
> > 01/01/1970  01:00 <DIR> r           0  .
> > 01/01/1970  01:00 <DIR> r           0  ..
> > 12/22/2020  17:53             139,264  AcpiViewApp.efi
> > 12/22/2020  17:52              32,768  DumpDynPcd.efi
> > 12/22/2020  17:52              40,960  MemoryProfileInfo.efi
> > 12/22/2020  17:52              20,480  VariableInfo.efi
> >           4 File(s)     233,472 bytes
> >           2 Dir(s)
> > Directory of: FS2:\apps\IA32\
> > 01/01/1970  01:00 <DIR> r           0  .
> > 01/01/1970  01:00 <DIR> r           0  ..
> > 12/22/2020  17:53             105,536  AcpiViewApp.efi
> > 12/22/2020  17:53              36,096  Cpuid.efi
> > 12/22/2020  17:52              17,344  DumpDynPcd.efi
> > 12/22/2020  17:52              24,192  MemoryProfileInfo.efi
> > 12/22/2020  17:52              30,720  SmiHandlerProfileInfo.efi
> > 12/22/2020  17:52              10,880  VariableInfo.efi
> >           6 File(s)     224,768 bytes
> >           2 Dir(s)
> 
> (2a) Before:
> 
> > FS2:\> dir apps\*\*.efi
> > Directory of: FS2:\apps\*\
> > 12/22/2020  17:52              18,752  DumpDynPcd.efi
> > 12/22/2020  17:52              34,240  SmiHandlerProfileInfo.efi
> > 12/22/2020  17:52              11,456  VariableInfo.efi
> > 12/22/2020  17:52              26,304  MemoryProfileInfo.efi
> > 12/22/2020  17:53             126,656  AcpiViewApp.efi
> > 12/22/2020  17:53              38,784  Cpuid.efi
> > 12/22/2020  17:52              32,768  DumpDynPcd.efi
> > 12/22/2020  17:52              20,480  VariableInfo.efi
> > 12/22/2020  17:52              40,960  MemoryProfileInfo.efi
> > 12/22/2020  17:53             139,264  AcpiViewApp.efi
> > 12/22/2020  17:52              17,344  DumpDynPcd.efi
> > 12/22/2020  17:52              30,720  SmiHandlerProfileInfo.efi
> > 12/22/2020  17:52              10,880  VariableInfo.efi
> > 12/22/2020  17:52              24,192  MemoryProfileInfo.efi
> > 12/22/2020  17:53             105,536  AcpiViewApp.efi
> > 12/22/2020  17:53              36,096  Cpuid.efi
> >          16 File(s)     714,432 bytes
> >           0 Dir(s)
> 
> (2b) After:
> 
> > FS2:\> dir apps\*\*.efi
> > Directory of: FS2:\apps\*\
> > 12/22/2020  17:53             126,656  AcpiViewApp.efi
> > 12/22/2020  17:53             139,264  AcpiViewApp.efi
> > 12/22/2020  17:53             105,536  AcpiViewApp.efi
> > 12/22/2020  17:53              38,784  Cpuid.efi
> > 12/22/2020  17:53              36,096  Cpuid.efi
> > 12/22/2020  17:52              18,752  DumpDynPcd.efi
> > 12/22/2020  17:52              32,768  DumpDynPcd.efi
> > 12/22/2020  17:52              17,344  DumpDynPcd.efi
> > 12/22/2020  17:52              26,304  MemoryProfileInfo.efi
> > 12/22/2020  17:52              40,960  MemoryProfileInfo.efi
> > 12/22/2020  17:52              24,192  MemoryProfileInfo.efi
> > 12/22/2020  17:52              34,240  SmiHandlerProfileInfo.efi
> > 12/22/2020  17:52              30,720  SmiHandlerProfileInfo.efi
> > 12/22/2020  17:52              11,456  VariableInfo.efi
> > 12/22/2020  17:52              20,480  VariableInfo.efi
> > 12/22/2020  17:52              10,880  VariableInfo.efi
> >          16 File(s)     714,432 bytes
> >           0 Dir(s)
> 
> (In example (2), note that the sorting is stable; that is, whatever order is
> established between identical FileNames by ShellOpenFileMetaArg(), it is
> preserved by ShellSortFileList().)
> 
> Cc: Philippe Mathieu-Daudé <philmd at redhat.com>
> Cc: Ray Ni <ray.ni at intel.com>
> Cc: Zhichao Gao <zhichao.gao at intel.com>
> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3151
> Signed-off-by: Laszlo Ersek <lersek at redhat.com>
> ---
>  ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
> b/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
> index da2b1acab47c..8b97926d7f47 100644
> --- a/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
> +++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Ls.c
> @@ -489,6 +489,20 @@ PrintLsOutput(
>        PrintSfoVolumeInfoTableEntry(ListHead);
>      }
> 
> +    if (!Sfo) {
> +      //
> +      // Sort the file list by FileName, stably.
> +      //
> +      // If the call below fails, then the EFI_SHELL_FILE_INFO list anchored to
> +      // ListHead will not be changed in any way.
> +      //
> +      ShellSortFileList (
> +        &ListHead,
> +        NULL,                       // Duplicates
> +        ShellSortFileListByFileName
> +        );
> +    }
> +
>      for ( Node = (EFI_SHELL_FILE_INFO *)GetFirstNode(&ListHead->Link),
> LongestPath = 0
>          ; !IsNull(&ListHead->Link, &Node->Link)
>          ; Node = (EFI_SHELL_FILE_INFO *)GetNextNode(&ListHead->Link, &Node-
> >Link)
> --
> 2.19.1.3.g30247aa5d201
> 



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