Re: [PATCH] BaseTools/LzmaCompress: Fix the option "d" dictionary size

["Liming Gao" <liming.gao@intel.com>]

Reviewed-by: Liming Gao <liming.gao@intel.com>

>-----Original Message-----
>From: Zhang, Shenglei
>Sent: Monday, September 30, 2019 11:52 AM
>To: devel@edk2.groups.io
>Cc: Feng, Bob C <bob.c.feng@intel.com>; Gao, Liming <liming.gao@intel.com>
>Subject: [PATCH] BaseTools/LzmaCompress: Fix the option "d" dictionary size
>
>The range of dictionary size is set from [0,30] to [0,27].
>And update the help information for this.
>The previous logic for processing the parameter dict size is incorrect.
>Now fix the logic.
>The option "d" is added at 6b80310f34199d1f62e45e40fa902734735091fa.
>(https://bugzilla.tianocore.org/show_bug.cgi?id=2077)
>
>Cc: Bob Feng <bob.c.feng@intel.com>
>Cc: Liming Gao <liming.gao@intel.com>
>Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
>---
> BaseTools/Source/C/LzmaCompress/LzmaCompress.c | 12 ++++++++----
> 1 file changed, 8 insertions(+), 4 deletions(-)
>
>diff --git a/BaseTools/Source/C/LzmaCompress/LzmaCompress.c
>b/BaseTools/Source/C/LzmaCompress/LzmaCompress.c
>index 856fcf9ffb17..bebdb9aa84a1 100644
>--- a/BaseTools/Source/C/LzmaCompress/LzmaCompress.c
>+++ b/BaseTools/Source/C/LzmaCompress/LzmaCompress.c
>@@ -42,7 +42,7 @@ const char *kInvalidParamValMessage = "Invalid
>parameter value";
> static Bool mQuietMode = False;
> static CONVERTER_TYPE mConType = NoConverter;
>
>-UINT64 mDictionarySize = 31;
>+UINT64 mDictionarySize = 28;
> UINT64 mCompressionMode = 2;
>
> #define UTILITY_NAME "LzmaCompress"
>@@ -64,7 +64,7 @@ void PrintHelp(char *buffer)
>              "  -q, --quiet: reduce output messages\n"
>              "  --debug [0-9]: set debug level\n"
>              "  -a: set compression mode 0 = fast, 1 = normal, default: 1 (normal)\n"
>-             "  d: sets Dictionary size - [0, 30], default: 23 (8MB)\n"
>+             "  d: sets Dictionary size - [0, 27], default: 24 (16MB)\n"
>              "  --version: display the program version and exit\n"
>              "  -h, --help: display this help text\n"
>              );
>@@ -298,8 +298,12 @@ int main2(int numArgs, const char *args[], char *rs)
>       }
>     } else if (strcmp(args[param], "d") == 0) {
>       AsciiStringToUint64(args[param + 1],FALSE,&mDictionarySize);
>-      if (mDictionarySize <= 30){
>-        props.dictSize = (UINT32)mDictionarySize;
>+      if (mDictionarySize <= 27) {
>+        if (mDictionarySize == 0) {
>+          props.dictSize = 0;
>+        } else {
>+          props.dictSize = (1 << mDictionarySize);
>+        }
>         param++;
>         continue;
>       } else {
>--
>2.18.0.windows.1