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ShellPkg: Fix command-line parsing to start with Argv[0] when comparing passed-in options 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chris Phillips <chrisp@hp.com>
Reviewed-By: Olivier Martin <Olivier.Martin@arm.com>
Reviewed-by: Jaben Carsey <Jaben.carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15432 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Chris Phillips 2014-04-04 13:45:36 +00:00 committed by jcarsey
parent 81514a8ad0
commit e9d19a80af
1 changed files with 14 additions and 3 deletions
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17
ShellPkg/Application/Shell/Shell.c
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@ -835,9 +835,13 @@ ProcessCommandLine(
ShellInfoObject.ShellInitSettings.BitUnion.Bits.Exit = FALSE;
ShellInfoObject.ShellInitSettings.Delay = 5;
// Start LoopVar at 1 to ignore Argv[0] which is the name of this binary
// (probably "Shell.efi")
for (LoopVar = 1 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {
//
// Start LoopVar at 0 to parse only optional arguments at Argv[0]
// and parse other parameters from Argv[1]. This is for use case that
// UEFI Shell boot option is created, and OptionalData is provided
// that starts with shell command-line options.
//
for (LoopVar = 0 ; LoopVar < gEfiShellParametersProtocol->Argc ; LoopVar++) {
CurrentArg = gEfiShellParametersProtocol->Argv[LoopVar];
if (UnicodeCollation->StriColl (
UnicodeCollation,
@ -925,6 +929,13 @@ ProcessCommandLine(
);
return EFI_INVALID_PARAMETER;
} else {
//
// First argument should be Shell.efi image name
//
if (LoopVar == 0) {
continue;
}
ShellInfoObject.ShellInitSettings.FileName = AllocateZeroPool(StrSize(CurrentArg));
if (ShellInfoObject.ShellInitSettings.FileName == NULL) {
return (EFI_OUT_OF_RESOURCES);