[thirdparty/u-boot.git] / tools / mingw_support.c

/*
 * Copyright 2008 Extreme Engineering Solutions, Inc.
 *
 * mmap/munmap implementation derived from:
 * Clamav Native Windows Port : mmap win32 compatibility layer
 * Copyright (c) 2005-2006 Gianluigi Tiesi <sherpya@netfarm.it>
 * Parts by Kees Zeelenberg <kzlg@users.sourceforge.net> (LibGW32C)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this software; if not, write to the
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "mingw_support.h"
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <io.h>

int fsync(int fd)
{
	return _commit(fd);
}

void *mmap(void *addr, size_t len, int prot, int flags, int fd, int offset)
{
	void *map = NULL;
	HANDLE handle = INVALID_HANDLE_VALUE;
	DWORD cfm_flags = 0, mvf_flags = 0;

	switch (prot) {
	case PROT_READ | PROT_WRITE:
		cfm_flags = PAGE_READWRITE;
		mvf_flags = FILE_MAP_ALL_ACCESS;
		break;
	case PROT_WRITE:
		cfm_flags = PAGE_READWRITE;
		mvf_flags = FILE_MAP_WRITE;
		break;
	case PROT_READ:
		cfm_flags = PAGE_READONLY;
		mvf_flags = FILE_MAP_READ;
		break;
	default:
		return MAP_FAILED;
	}

	handle = CreateFileMappingA((HANDLE) _get_osfhandle(fd), NULL,
				cfm_flags, HIDWORD(len), LODWORD(len), NULL);
	if (!handle)
		return MAP_FAILED;

	map = MapViewOfFile(handle, mvf_flags, HIDWORD(offset),
			LODWORD(offset), len);
	CloseHandle(handle);

	if (!map)
		return MAP_FAILED;

	return map;
}

int munmap(void *addr, size_t len)
{
	if (!UnmapViewOfFile(addr))
		return -1;

	return 0;
}

/* Reentrant string tokenizer.  Generic version.
   Copyright (C) 1991,1996-1999,2001,2004,2007 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

  * SPDX-License-Identifier:	GPL-2.0+
 */

/* Parse S into tokens separated by characters in DELIM.
   If S is NULL, the saved pointer in SAVE_PTR is used as
   the next starting point.  For example:
	char s[] = "-abc-=-def";
	char *sp;
	x = strtok_r(s, "-", &sp);	// x = "abc", sp = "=-def"
	x = strtok_r(NULL, "-=", &sp);	// x = "def", sp = NULL
	x = strtok_r(NULL, "=", &sp);	// x = NULL
		// s = "abc\0-def\0"
*/
char *strtok_r(char *s, const char *delim, char **save_ptr)
{
	char *token;

	if (s == NULL)
		s = *save_ptr;

	/* Scan leading delimiters.  */
	s += strspn(s, delim);
	if (*s == '\0') {
		*save_ptr = s;
		return NULL;
	}

	/* Find the end of the token.  */
	token = s;
	s = strpbrk (token, delim);
	if (s == NULL) {
		/* This token finishes the string.  */
		*save_ptr = memchr(token, '\0', strlen(token));
	} else {
		/* Terminate the token and make *SAVE_PTR point past it.  */
		*s = '\0';
		*save_ptr = s + 1;
	}
	return token;
}

#include "getline.c"
Commit	Line	Data
2f8d396b PT	1	/*
	2	* Copyright 2008 Extreme Engineering Solutions, Inc.
	3	*
	4	* mmap/munmap implementation derived from:
	5	* Clamav Native Windows Port : mmap win32 compatibility layer
	6	* Copyright (c) 2005-2006 Gianluigi Tiesi <sherpya@netfarm.it>
	7	* Parts by Kees Zeelenberg <kzlg@users.sourceforge.net> (LibGW32C)
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU Library General Public
	11	* License as published by the Free Software Foundation; either
	12	* version 2 of the License, or (at your option) any later version.
	13	*
	14	* This library is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* Library General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU Library General Public
	20	* License along with this software; if not, write to the
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	22	*/
	23
	24	#include "mingw_support.h"
	25	#include <stdio.h>
	26	#include <stdint.h>
faf36c14	27	#include <string.h>
2f8d396b	28	#include <errno.h>
faf36c14	29	#include <assert.h>
2f8d396b PT	30	#include <io.h>
	31
	32	int fsync(int fd)
	33	{
	34	return _commit(fd);
	35	}
	36
	37	void mmap(void addr, size_t len, int prot, int flags, int fd, int offset)
	38	{
	39	void *map = NULL;
	40	HANDLE handle = INVALID_HANDLE_VALUE;
	41	DWORD cfm_flags = 0, mvf_flags = 0;
	42
	43	switch (prot) {
	44	case PROT_READ \| PROT_WRITE:
	45	cfm_flags = PAGE_READWRITE;
	46	mvf_flags = FILE_MAP_ALL_ACCESS;
	47	break;
	48	case PROT_WRITE:
	49	cfm_flags = PAGE_READWRITE;
	50	mvf_flags = FILE_MAP_WRITE;
	51	break;
	52	case PROT_READ:
	53	cfm_flags = PAGE_READONLY;
	54	mvf_flags = FILE_MAP_READ;
	55	break;
	56	default:
	57	return MAP_FAILED;
	58	}
	59
	60	handle = CreateFileMappingA((HANDLE) _get_osfhandle(fd), NULL,
	61	cfm_flags, HIDWORD(len), LODWORD(len), NULL);
	62	if (!handle)
	63	return MAP_FAILED;
	64
	65	map = MapViewOfFile(handle, mvf_flags, HIDWORD(offset),
	66	LODWORD(offset), len);
	67	CloseHandle(handle);
	68
	69	if (!map)
	70	return MAP_FAILED;
	71
	72	return map;
	73	}
	74
	75	int munmap(void *addr, size_t len)
	76	{
	77	if (!UnmapViewOfFile(addr))
	78	return -1;
	79
	80	return 0;
	81	}
faf36c14 RB	82
	83	/* Reentrant string tokenizer. Generic version.
	84	Copyright (C) 1991,1996-1999,2001,2004,2007 Free Software Foundation, Inc.
	85	This file is part of the GNU C Library.
	86
1a459660 WD	87	* SPDX-License-Identifier: GPL-2.0+
1a459660 WD	88	*/
faf36c14 RB	89
	90	/* Parse S into tokens separated by characters in DELIM.
	91	If S is NULL, the saved pointer in SAVE_PTR is used as
	92	the next starting point. For example:
	93	char s[] = "-abc-=-def";
	94	char *sp;
	95	x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def"
	96	x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL
	97	x = strtok_r(NULL, "=", &sp); // x = NULL
	98	// s = "abc\0-def\0"
	99	*/
	100	char strtok_r(char s, const char delim, char *save_ptr)
	101	{
	102	char *token;
	103
	104	if (s == NULL)
	105	s = *save_ptr;
	106
	107	/* Scan leading delimiters. */
	108	s += strspn(s, delim);
	109	if (*s == '\0') {
	110	*save_ptr = s;
	111	return NULL;
	112	}
	113
	114	/* Find the end of the token. */
	115	token = s;
	116	s = strpbrk (token, delim);
	117	if (s == NULL) {
	118	/* This token finishes the string. */
	119	*save_ptr = memchr(token, '\0', strlen(token));
	120	} else {
	121	/* Terminate the token and make SAVE_PTR point past it. /
	122	*s = '\0';
	123	*save_ptr = s + 1;
	124	}
	125	return token;
	126	}
	127
64b15021	128	#include "getline.c"