Differential D9165 Diff 23964 sys/boot/efi/libefi/wchar.c

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sys/boot/efi/libefi/wchar.c

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				/*-
				* Copyright (c) 2017 Toomas Soome
				*
				impUnsubmitted Not Done Inline Actions Yea, you didn't write these routines, I did. However, they are wrong. I forgot to go back and do them correctly based on getting libefivar working. imp: Yea, you didn't write these routines, I did. However, they are wrong. I forgot to go back and…
				tsoomeAuthorUnsubmitted Not Done Inline Actions Oh yes, I was just moving the functions and did not think too much:D can you please provide proper line for it, so I'll update before going for commit. tsoome: Oh yes, I was just moving the functions and did not think too much:D can you please provide…
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
				* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
				* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
				* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
				* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
				* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
				* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
				* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
				* SUCH DAMAGE.
				*/

				#include <sys/cdefs.h>
				__FBSDID("$FreeBSD$");

				#include <efi.h>
				#include <efilib.h>

				/*
				* CHAR16 related functions moved from loader.
				* Perhaps we should move those to libstand afterall, but they are
				* needed only by UEFI.
				*/

				int
				wcscmp(CHAR16 a, CHAR16 b)
				{
				impUnsubmitted Not Done Inline Actions This is wrong. It was wrong before you started though. See what libefivar does, since that's right. Likewise for cpy8to16 and cpy16to8. It's only mostly right :( imp: This is wrong. It was wrong before you started though. See what libefivar does, since that's…
				tsoomeAuthorUnsubmitted Not Done Inline Actions Yep, agree, but I do not want to touch it in this update, leaving those for followups. tsoome: Yep, agree, but I do not want to touch it in this update, leaving those for followups.

				while (a && b && a == b) {
				a++;
				b++;
				}
				return a - b;
				}

				/*
				* cpy8to16 copies a traditional C string into a CHAR16 string and
				* 0 terminates it. len is the size of *dst in bytes.
				*/
				void
				cpy8to16(const char src, CHAR16 dst, size_t len)
				{
				len <<= 1; /* Assume CHAR16 is 2 bytes */
				while (len > 0 && *src) {
				dst++ = src++;
				len--;
				}
				*dst++ = (CHAR16)0;
				}

				void
				cpy16to8(const CHAR16 src, char dst, size_t len)
				{
				size_t i;

				for (i = 0; i < len && src[i]; i++)
				dst[i] = (char)src[i];
				if (i < len)
				dst[i] = '\0';
				}