119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2015 Damien P. George
|
|
*
|
|
* 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 "dirent.h"
|
|
#include "extmod/vfs.h"
|
|
#include <errno.h>
|
|
#include <Windows.h>
|
|
|
|
typedef struct DIR {
|
|
HANDLE findHandle;
|
|
WIN32_FIND_DATA findData;
|
|
struct dirent result;
|
|
} DIR;
|
|
|
|
DIR *opendir(const char *name) {
|
|
if (!name || !*name) {
|
|
errno = ENOENT;
|
|
return NULL;
|
|
}
|
|
|
|
DIR *dir = malloc(sizeof(DIR));
|
|
if (!dir) {
|
|
errno = ENOMEM;
|
|
return NULL;
|
|
}
|
|
dir->result.d_ino = 0;
|
|
dir->result.d_name = NULL;
|
|
dir->findHandle = INVALID_HANDLE_VALUE;
|
|
|
|
const size_t nameLen = strlen(name);
|
|
char *path = malloc(nameLen + 3); // allocate enough for adding "/*"
|
|
if (!path) {
|
|
free(dir);
|
|
errno = ENOMEM;
|
|
return NULL;
|
|
}
|
|
strcpy(path, name);
|
|
|
|
// assure path ends with wildcard
|
|
const char lastChar = path[nameLen - 1];
|
|
if (lastChar != '*') {
|
|
const char *appendWC = (lastChar != '/' && lastChar != '\\') ? "/*" : "*";
|
|
strcat(path, appendWC);
|
|
}
|
|
|
|
// init
|
|
dir->findHandle = FindFirstFile(path, &dir->findData);
|
|
free(path);
|
|
if (dir->findHandle == INVALID_HANDLE_VALUE) {
|
|
free(dir);
|
|
errno = ENOENT;
|
|
return NULL;
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
int closedir(DIR *dir) {
|
|
if (dir) {
|
|
FindClose(dir->findHandle);
|
|
free(dir);
|
|
return 0;
|
|
} else {
|
|
errno = EBADF;
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
struct dirent *readdir(DIR *dir) {
|
|
if (!dir) {
|
|
errno = EBADF;
|
|
return NULL;
|
|
}
|
|
|
|
// first pass d_name is NULL so use result from FindFirstFile in opendir, else use FindNextFile
|
|
if (!dir->result.d_name || FindNextFile(dir->findHandle, &dir->findData)) {
|
|
dir->result.d_name = dir->findData.cFileName;
|
|
dir->result.d_type = dir->findData.dwFileAttributes;
|
|
return &dir->result;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int dttoif(int d_type) {
|
|
if (d_type == INVALID_FILE_ATTRIBUTES) {
|
|
return 0;
|
|
}
|
|
// Could be a couple of things (symlink, junction, ...) and non-trivial to
|
|
// figure out so just report it as unknown. Should we ever want this then
|
|
// the proper code can be found in msvc's std::filesystem implementation.
|
|
if (d_type & FILE_ATTRIBUTE_REPARSE_POINT) {
|
|
return 0;
|
|
}
|
|
return (d_type & FILE_ATTRIBUTE_DIRECTORY) ? MP_S_IFDIR : MP_S_IFREG;
|
|
}
|