[C/C++][文件操作] 对比目录并列出同名较新文件、较旧文件 0.1

/*
g++ CompareW.cpp -municode -o CompareW
*/ #include <cstdio>
#include <cstdlib>
#include <cwchar>
#include <cstring>
#include <clocale>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>
#include <windows.h>
#include <io.h> #define NAME_MAX 1024 void func(
wchar_t path[],
const wchar_t dir_a[],
const wchar_t dir_b[]
); bool FileExists(const wchar_t *wpath);
bool FolderExists(const wchar_t *wpath); void console_print(const wchar_t str[]);
void CheckConsoleRedirect(void); void PATH_A_TO_B (
const wchar_t source[],
const wchar_t a[],
const wchar_t b[],
wchar_t newstr[]
); DWORD written = ;
static bool g_bRedirect = false; int wmain(int argc, wchar_t *argv[] )
{
setlocale( LC_ALL, ".936" );
CheckConsoleRedirect(); if (argc > )
{
if ( _wopendir(argv[]) && _wopendir(argv[]) )
{
func( argv[], argv[], argv[]);
//wprintf(L"B\n");
//func( argv[2], argv[2], argv[1]); fprintf(stderr, "All is done!");
}
else
{
fprintf(stderr, "Argument is not correct!");
}
}
else
{
fprintf(stderr, "Arguments not enough!");
} return ;
} void func(
wchar_t path[],
const wchar_t dir_a[],
const wchar_t dir_b[]
)
{
_WDIR * a = _wopendir(path);
_wdirent * dp;
_WDIR * aa;
struct stat stA;
struct stat stB; wchar_t fullpath[NAME_MAX] = L""; while (dp = _wreaddir(a))
{
if (
wcscmp(dp->d_name, L".") ==
|| wcscmp(dp->d_name, L"..") ==
)
{
continue;
} swprintf(fullpath, L"%ls\\%ls", path, dp->d_name);
wstat(fullpath, &stA); if ( (stA.st_mode & S_IFMT) == S_IFDIR )
{
func( fullpath, dir_a, dir_b );
}
else
{
wchar_t full_info[NAME_MAX + ] = L"";
wchar_t mt_str[] = L"";
wchar_t trypath[] = L""; //swprintf(full_info, L"%ld\t%ls\r\n", stA.st_mtime, fullpath );
PATH_A_TO_B( fullpath, dir_a, dir_b, trypath );
if ( ! FileExists(trypath) )
{
swprintf(full_info, L"%8ls : %ls\r\n", L"Extra", fullpath );
console_print( full_info );
}
else
{
wstat(trypath, &stB);
if (stA.st_mtime > stB.st_mtime )
{
swprintf(full_info, L"%8ls : %ls\r\n", L"Newest", fullpath );
console_print( full_info );
}
else if ( stA.st_mtime < stB.st_mtime )
{
swprintf(full_info, L"%8ls : %ls\r\n", L"Newest", fullpath );
console_print( full_info );
}
else
{
//Same
}
}
}
}
_wclosedir(a); } void console_print(const wchar_t str[])
{
if ( ! g_bRedirect )
{
WriteConsoleW(
GetStdHandle(STD_OUTPUT_HANDLE), str, wcslen(str) , &written, NULL
);
}
else
{
WriteFile(
GetStdHandle(STD_OUTPUT_HANDLE), str, wcslen(str) * sizeof( str[] ) , &written, NULL
);
}
} void CheckConsoleRedirect(void)
{
if (!GetConsoleMode(GetStdHandle(STD_OUTPUT_HANDLE), &written))
{
g_bRedirect = true;
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), "\xFF\xFE", , &written, );
}
} void PATH_A_TO_B (
const wchar_t source[],
const wchar_t a[],
const wchar_t b[],
wchar_t newstr[]
)
{
int len_of_a = wcslen( a );
wcscat( newstr, b );
wcscat( newstr, source + len_of_a );
} bool FileExists(const wchar_t *wpath)
{
if (_waccess(wpath, ) == -)
{
return FALSE;
}
else
{
return TRUE;
}
} bool FolderExists(const wchar_t *wpath)
{
return !!(_wopendir(wpath));
}