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filecopy.c
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filecopy.c
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/******************************************************************************
* Copyright (c) 2023 Jaroslav Hensl *
* *
* Permission is hereby granted, free of charge, to any person *
* obtaining a copy of this software and associated documentation *
* files (the "Software"), to deal in the Software without *
* restriction, including without limitation the rights to use, *
* copy, modify, merge, publish, distribute, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be *
* included in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, *
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES *
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND *
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, *
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
* OTHER DEALINGS IN THE SOFTWARE. *
* *
*******************************************************************************/
#include <windows.h>
#include <string.h>
#include <stdio.h>
#include "filecopy.h"
#include "setuperr.h"
#include "nocrt.h"
BOOL is_dir(const char *path)
{
DWORD atrs = GetFileAttributesA(path);
if(atrs != INVALID_FILE_ATTRIBUTES)
{
return (atrs & FILE_ATTRIBUTE_DIRECTORY) != 0;
}
return FALSE;
}
BOOL is_file(const char *path)
{
DWORD atrs = GetFileAttributesA(path);
return atrs != INVALID_FILE_ATTRIBUTES && (atrs & FILE_ATTRIBUTE_DIRECTORY) == 0;
}
BOOL mkdir_recrusive(const char *path)
{
char atom[MAX_PATH];
size_t pos = 0;
size_t new_pos = 0;
const char *ptr;
while((ptr = strchr(path+pos, '\\')) != NULL)
{
new_pos = ptr - path;
if((new_pos - pos) > 0)
{
memcpy(atom, path, new_pos);
atom[new_pos] = '\0';
if(!is_dir(atom))
{
//printf("Creating atom: %s\n", atom);
if(!CreateDirectoryA(atom, NULL))
{
return FALSE;
}
}
}
pos = new_pos + 1;
}
if(!CreateDirectoryA(path, NULL))
{
return FALSE;
}
return TRUE;
}
void removeROFlag(const char *path)
{
DWORD attrs = GetFileAttributesA(path);
if(attrs != INVALID_FILE_ATTRIBUTES)
{
if(attrs & FILE_ATTRIBUTE_READONLY)
{
SetFileAttributes(path, attrs ^ FILE_ATTRIBUTE_READONLY);
}
}
}
int copydir(const char *from, const char *to)
{
char file_re[MAX_PATH] = {0};
char srcpath[MAX_PATH];
char dstpath[MAX_PATH];
WIN32_FIND_DATAA taa;
int cnt = 0;
HANDLE hdir;
if(!is_dir(to))
{
if(!mkdir_recrusive(to))
{
REPORT("mkdir_recrusive(%s): %ld\n", to, GetLastError());
return 0;
}
}
strcpy(file_re, from);
strcat(file_re, "\\*");
memset(&taa, 0, sizeof(taa));
hdir = FindFirstFileA(file_re, &taa);
if(hdir != INVALID_HANDLE_VALUE)
{
do
{
if(strcmp(taa.cFileName, ".") != 0 && strcmp(taa.cFileName, "..") != 0)
{
strcpy(srcpath, from);
strcat(srcpath, "\\");
strcat(srcpath, taa.cFileName);
strcpy(dstpath, to);
strcat(dstpath, "\\");
strcat(dstpath, taa.cFileName);
if((taa.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0)
{
cnt += copydir(srcpath, dstpath);
}
else
{
removeROFlag(dstpath);
if(CopyFileA(srcpath, dstpath, FALSE))
{
removeROFlag(dstpath);
cnt++;
}
}
}
} while(FindNextFileA(hdir, &taa));
CloseHandle(hdir);
}
else
{
REPORT("FindFirstFileA: %ld\n", GetLastError());
}
return cnt;
}