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fix the problem that data type conversion may loss data. 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17886 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Zhang Lubo 2015-07-08 09:49:41 +00:00 committed by luobozhang
parent 01267e224b
commit e0f74cea66
1 changed files with 2 additions and 2 deletions
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4
MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Support.c
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@ -328,11 +328,11 @@ Mtftp4SendRequest (
for (Index = 0; Index < Token->OptionCount; ++Index) { for (Index = 0; Index < Token->OptionCount; ++Index) {
Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len, (CHAR8 *) Options[Index].OptionStr); Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len, (CHAR8 *) Options[Index].OptionStr);
Cur += AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1; Cur += AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1;
Len -= (AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1); Len -= (UINT32) AsciiStrLen ((CHAR8 *) Options[Index].OptionStr) + 1;
Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len, (CHAR8 *) Options[Index].ValueStr); Cur = (UINT8 *) AsciiStrCpyS ((CHAR8 *) Cur, Len, (CHAR8 *) Options[Index].ValueStr);
Cur += AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1; Cur += AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1;
Len -= (AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1); Len -= (UINT32) AsciiStrLen ((CHAR8 *) (CHAR8 *) Options[Index].ValueStr) + 1;
} }
return Mtftp4SendPacket (Instance, Nbuf); return Mtftp4SendPacket (Instance, Nbuf);