sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ShellPkg: Fix GCC build fail and code refine.

Browse Source 
1. Fix GCC build fail.
2. It's not correct to cast away constness to allow TrimSpaces() to modify 'commandline'. 
   This patch makes a copy of 'commandLine' and work with that in the remainder of the function.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin.qiu@intel.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18500 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Qiu Shumin
2015-09-18 01:08:31 +00:00
committed by shenshushi
parent a46bbdd379
commit 1fab91765f
1 changed files with 23 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
ShellPkg/Application/Shell/ShellParametersProtocol.c
View File

@@ -195,7 +195,9 @@ ParseCommandLineToArgs(
CHAR16 *TempParameter; CHAR16 *TempParameter;
CHAR16 *Walker; CHAR16 *Walker;
CHAR16 *NewParam; CHAR16 *NewParam;
CHAR16 *NewCommandLine;
UINTN Size; UINTN Size;
EFI_STATUS Status;
ASSERT(Argc != NULL); ASSERT(Argc != NULL);
ASSERT(Argv != NULL); ASSERT(Argv != NULL);
@@ -206,15 +208,21 @@ ParseCommandLineToArgs(
return (EFI_SUCCESS); return (EFI_SUCCESS);
} }
TrimSpaces(&(CHAR16*)CommandLine); NewCommandLine = AllocateCopyPool(StrSize(CommandLine), CommandLine);
Size = StrSize(CommandLine); if (NewCommandLine == NULL){
return (EFI_OUT_OF_RESOURCES);
}
TrimSpaces(&NewCommandLine);
Size = StrSize(NewCommandLine);
TempParameter = AllocateZeroPool(Size); TempParameter = AllocateZeroPool(Size);
if (TempParameter == NULL) { if (TempParameter == NULL) {
SHELL_FREE_NON_NULL(NewCommandLine);
return (EFI_OUT_OF_RESOURCES); return (EFI_OUT_OF_RESOURCES);
} }
for ( Count = 0 for ( Count = 0
, Walker = (CHAR16*)CommandLine , Walker = (CHAR16*)NewCommandLine
; Walker != NULL && *Walker != CHAR_NULL ; Walker != NULL && *Walker != CHAR_NULL
; Count++ ; Count++
) { ) {
@@ -228,30 +236,34 @@ ParseCommandLineToArgs(
// //
(*Argv) = AllocateZeroPool((Count)*sizeof(CHAR16*)); (*Argv) = AllocateZeroPool((Count)*sizeof(CHAR16*));
if (*Argv == NULL) { if (*Argv == NULL) {
SHELL_FREE_NON_NULL(TempParameter); Status = EFI_OUT_OF_RESOURCES;
return (EFI_OUT_OF_RESOURCES); goto Done;
} }
*Argc = 0; *Argc = 0;
Walker = (CHAR16*)CommandLine; Walker = (CHAR16*)NewCommandLine;
while(Walker != NULL && *Walker != CHAR_NULL) { while(Walker != NULL && *Walker != CHAR_NULL) {
SetMem16(TempParameter, Size, CHAR_NULL); SetMem16(TempParameter, Size, CHAR_NULL);
if (EFI_ERROR(GetNextParameter(&Walker, &TempParameter, Size))) { if (EFI_ERROR(GetNextParameter(&Walker, &TempParameter, Size))) {
SHELL_FREE_NON_NULL(TempParameter); Status = EFI_INVALID_PARAMETER;
return (EFI_INVALID_PARAMETER); goto Done;
} }
NewParam = AllocateCopyPool(StrSize(TempParameter), TempParameter); NewParam = AllocateCopyPool(StrSize(TempParameter), TempParameter);
if (NewParam == NULL){ if (NewParam == NULL){
SHELL_FREE_NON_NULL(TempParameter); Status = EFI_OUT_OF_RESOURCES;
return (EFI_OUT_OF_RESOURCES); goto Done;
} }
((CHAR16**)(*Argv))[(*Argc)] = NewParam; ((CHAR16**)(*Argv))[(*Argc)] = NewParam;
(*Argc)++; (*Argc)++;
} }
ASSERT(Count >= (*Argc)); ASSERT(Count >= (*Argc));
Status = EFI_SUCCESS;
Done:
SHELL_FREE_NON_NULL(TempParameter); SHELL_FREE_NON_NULL(TempParameter);
return (EFI_SUCCESS); SHELL_FREE_NON_NULL(NewCommandLine);
return (Status);
} }
/** /**