路径

Re-compress all Mame zip roms to 7z format

by

In advance,

trans_to_7z.sh

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#!/bin/bash
 
PARENTDIR=$1
TMPDIR=`pwd`/tmp
 
PATH="/d/cext/Program Files/7-Zip:$PATH"
 
ISERR="no"
 
if [ "x$1" = x ] ; then
	echo "Please input dir to transform."
	exit
fi
 
if [ -e "$TMPDIR" ] ; then
	echo "Please rmdir [$TMPDIR] first."
	exit
fi
 
get_win_path()
{
	local win_path="$1"
	win_path="${win_path#/}"
	win_path="${win_path//\//\\}"
	win_path="${win_path/\\/\:\\}"
	echo $win_path
}
 
format_transform()
{
	local file_7z=$1
	local file_zip=$2
	local tmp_dir=$TMPDIR
	mkdir "$tmp_dir"
 
	7z x ${file_7z} -o"`get_win_path \"$tmp_dir\"`"
	(
		cd "$tmp_dir"
		ls
 
		7z a -mx9 "`get_win_path \"${file_zip}\"`" || ( echo "Creating 7z file failed." && ISERR="yes" )
	)
 
	rm -Rf "$tmp_dir"
}
 
cd "$PARENTDIR"
 
for fn in `ls *.zip`; do
 
	echo "$fn"
 
	format_transform $fn "`pwd`/${fn%.zip}.7z"
 
	if [ $ISERR = "yes" ]; then
		exit
	fi
done
 
echo "Transforming done."

How to use?

Copy trans_to_7z.sh to Mame root folder which contains roms sub-directory, right click at blank place of this Mame root window in Explorer, select "Git Bash Here" which prompts bash console, input below and return,

1

./trans_to_7z.sh roms

refer to:
https://www.cnblogs.com/wq242424/p/15564203.html

获取HANDLE对应的文件路径

by 
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#include <Windows.h>
#include <psapi.h>
#include <wchar.h>
 
WCHAR *getFilePathByHandle(HANDLE hFile, WCHAR* filePath, int filePathLen)
{
	DWORD dwFileSizeHi = 0;
	DWORD dwFileSizeLo = GetFileSize(hFile, &dwFileSizeHi);
	HANDLE hFileMap = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, dwFileSizeLo, NULL);
 
	filePath[0] = 0;
	if (NULL != hFileMap)
	{
		void* pMem = MapViewOfFile(hFileMap, FILE_MAP_READ, 0, 0, 1);
		if (NULL != pMem)
		{
			if (0 == GetMappedFileNameW(GetCurrentProcess(), pMem, filePath, filePathLen))
			{
				// GetLastError
			}
			UnmapViewOfFile(pMem);
		}
		CloseHandle(hFileMap);
	}
	return filePath;
}
 
wchar_t toLower(wchar_t ch)
{
	if ('A' <= ch && ch <= 'Z')
		ch = ch - 'A' + 'a';
	return ch;
}
 
int isNoCaseBeginWith(wchar_t* l, wchar_t* r)
{
	if (*l == 0 && *r == 0)
		return 1;
	if (*l == 0 || *r == 0)
		return 0;
	for (; 0 != *l && 0 != *r; l++, r++)
	{
		if (toLower(*l) != toLower(*r))
			return 0;
	}
	return 1;
}
 
WCHAR* getDosFilePath(WCHAR *dosPath, int len, WCHAR* kernelPath)
{
	wchar_t path[3] = L"C:";
	wchar_t szBuf[MAX_PATH] = { 0 };
	for (wchar_t ch = L'A'; ch <= L'Z'; ch++)
	{
		path[0] = ch;
		QueryDosDevice(path, szBuf, MAX_PATH);
		if (isNoCaseBeginWith(kernelPath, szBuf))
		{
			swprintf_s(dosPath, len, L"%s%s", path, kernelPath + wcslen(szBuf));
			return dosPath;
		}
	}
	dosPath[0] = 0;
	return dosPath;
}
 
int main()
{
	HANDLE hFile = CreateFileW(L"d:\\test.txt",
		GENERIC_READ,
		FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
		NULL,
		OPEN_EXISTING,
		0x00,
		NULL);
 
	if (INVALID_HANDLE_VALUE == hFile)
	{
		return 0;
	}
 
	WCHAR path[1024];
	getFilePathByHandle(hFile, path, 1024);
 
	WCHAR dosPath[1024];
	getDosFilePath(dosPath, 1024, path);
 
	CloseHandle(hFile);
 
	return 0;
}