ClamAV is an open source (GPLv2) anti-virus toolkit.
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clamav/win32/compat/dirent.c

105 lines
2.7 KiB

/*
* Copyright (C) 2009 Sourcefire, Inc.
*
* Authors: aCaB <acab@clamav.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <errno.h>
#include "clamav.h"
#include "others.h"
#include "dirent.h"
#include "w32_stat.h"
#include "shared/misc.h"
DIR *opendir(const char *name) {
DIR *d;
DWORD attrs;
int len;
struct stat sb;
wchar_t *wpath;
if(stat(name, &sb) < 0)
return NULL;
if(!S_ISDIR(sb.st_mode)) {
errno = ENOTDIR;
return NULL;
}
if(!(d = cli_malloc(sizeof(*d)))) {
errno = ENOMEM;
return NULL;
}
wpath = uncpath(name);
if(!wpath)
return NULL;
wcsncpy(d->entry, wpath, sizeof(d->entry) / sizeof(d->entry[0]));
free(wpath);
d->entry[sizeof(d->entry) / sizeof(d->entry[0])] = L'\0';
len = wcslen(d->entry);
if(len >= sizeof(d->entry) / sizeof(d->entry[0]) - 4) {
free(d);
errno = ENAMETOOLONG;
return NULL;
}
while(len--) {
if(d->entry[len] == L'\\')
d->entry[len] = L'\0';
else
break;
}
wcsncat(d->entry, L"\\*.*", 4);
d->dh = INVALID_HANDLE_VALUE;
return d;
}
struct dirent *readdir(DIR *dirp) {
while(1) {
if(dirp->dh == INVALID_HANDLE_VALUE) {
if((dirp->dh = FindFirstFileW(dirp->entry, &dirp->wfd)) == INVALID_HANDLE_VALUE) {
errno = ENOENT;
return NULL;
}
} else {
if(!(FindNextFileW(dirp->dh, &dirp->wfd))) {
errno = (GetLastError() == ERROR_NO_MORE_FILES) ? 0 : ENOENT;
return NULL;
}
}
if(!WideCharToMultiByte(CP_UTF8, 0, dirp->wfd.cFileName, -1, dirp->ent.d_name, sizeof(dirp->ent.d_name), NULL, NULL))
continue;/* FIXME: WARN HERE ! */
dirp->ent.d_ino = dirp->wfd.ftCreationTime.dwLowDateTime ^ dirp->wfd.nFileSizeLow;
if(!dirp->ent.d_ino) dirp->ent.d_ino = 0x1337;
dirp->ent.d_type = (dirp->wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? DT_DIR : DT_REG;
break;
}
return &dirp->ent;
}
void rewinddir(DIR *dirp) {
if(dirp->dh != INVALID_HANDLE_VALUE)
FindClose(dirp->dh);
dirp->dh = INVALID_HANDLE_VALUE;
}
int closedir(DIR *dirp) {
rewinddir(dirp);
free(dirp);
return 0;
}