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// SPDX-License-Identifier: BSD-2-Clause-Patent
/*
* Copyright 2012 <James.Bottomley@HansenPartnership.com>
*
* misc shell helper functions
*/
#include "shim.h"
EFI_STATUS
argsplit(EFI_HANDLE image, int *argc, CHAR16*** ARGV)
{
unsigned int i, count = 1;
EFI_STATUS efi_status;
EFI_LOADED_IMAGE *info;
CHAR16 *start;
*argc = 0;
efi_status = BS->HandleProtocol(image, &LoadedImageProtocol,
(VOID **) &info);
if (EFI_ERROR(efi_status)) {
console_print(L"Failed to get arguments\n");
return efi_status;
}
for (i = 0; i < info->LoadOptionsSize; i += 2) {
CHAR16 *c = (CHAR16 *)(info->LoadOptions + i);
if (*c == L' ' && *(c+1) != '\0') {
(*argc)++;
}
}
/* we counted spaces, so add one for initial */
(*argc)++;
*ARGV = AllocatePool(*argc * sizeof(**ARGV));
if (!*ARGV) {
return EFI_OUT_OF_RESOURCES;
}
(*ARGV)[0] = (CHAR16 *)info->LoadOptions;
for (i = 0; i < info->LoadOptionsSize; i += 2) {
CHAR16 *c = (CHAR16 *)(info->LoadOptions + i);
if (*c == L' ') {
*c = L'\0';
if (*(c + 1) == '\0')
/* strip trailing space */
break;
start = c + 1;
(*ARGV)[count++] = start;
}
}
return EFI_SUCCESS;
}
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