githubmirror/efifs

src/missing.c
102 строки2 KB
Pete Batard
version 1.2
14 ноя 2017, 13:21
14 ноя 2017, 13:21bef4175
/* missing.c - Missing convenience calls from the EFI interface */
/*
 *  Copyright © 2014-2017 Pete Batard <pete@akeo.ie>
 *  Based on GRUB  --  GRand Unified Bootloader
 *  Copyright © 1999-2010 Free Software Foundation, Inc.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "driver.h"

// EDK2 specifics
#if !defined(__MAKEWITH_GNUEFI)

#if defined(_M_IX86)
#pragma comment(linker, "/INCLUDE:_MultS64x64")
#endif

// Microsoft's intrinsics are a major pain in the ass
#if defined(_MSC_VER)
#include <stddef.h>		// For size_t
int memcmp(const void *s1, const void *s2, size_t n)
{
	return (int)CompareMem(s1, s2, (UINTN)n);
}

void* memmove(void *s1, const void *s2, size_t n)
{
	CopyMem(s1, s2, n);
	return s1;
}
#endif

#endif

VOID
strcpya(CHAR8 *dst, CONST CHAR8 *src)
{
	INTN len = strlena(src) + 1;
	CopyMem(dst, src, len);
}

CHAR8 *
strchra(const CHAR8 *s, INTN c)
{
	do {
		if (*s == c)
			return (CHAR8 *) s;
	}
	while (*s++);

	return NULL;
}

CHAR8 *
strrchra(const CHAR8 *s, INTN c)
{
	CHAR8 *p = NULL;

	do {
		if (*s == c)
			p = (CHAR8 *) s;
	}
	while (*s++);

	return p;
}

EFI_STATUS
PrintGuid(EFI_GUID *Guid)
{
	if (Guid == NULL) {
		Print(L"ERROR: PrintGuid called with a NULL value.\n");
		return EFI_INVALID_PARAMETER;
	}

	Print(L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
		Guid->Data1,
		Guid->Data2,
		Guid->Data3,
		Guid->Data4[0],
		Guid->Data4[1],
		Guid->Data4[2],
		Guid->Data4[3],
		Guid->Data4[4],
		Guid->Data4[5],
		Guid->Data4[6],
		Guid->Data4[7]
	);
	return EFI_SUCCESS;
}