mirror of
https://gitlab.com/bztsrc/posix-uefi.git
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76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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* dirent.c
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*
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* Copyright (C) 2021 bzt (bztsrc@gitlab)
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* This file is part of the POSIX-UEFI package.
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* @brief Implementing functions which are defined in dirent.h
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*
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*/
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#include <uefi.h>
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extern void __stdio_seterrno(efi_status_t status);
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struct dirent __dirent;
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DIR *opendir (const char_t *__name)
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{
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DIR *dp = (DIR*)fopen(__name, CL("rd"));
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if(dp) rewinddir(dp);
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return dp;
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}
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struct dirent *readdir (DIR *__dirp)
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{
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efi_status_t status;
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efi_file_info_t info;
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uintn_t bs = sizeof(efi_file_info_t);
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memset(&__dirent, 0, sizeof(struct dirent));
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status = __dirp->Read(__dirp, &bs, &info);
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if(EFI_ERROR(status) || !bs) {
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if(EFI_ERROR(status)) __stdio_seterrno(status);
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else errno = 0;
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return NULL;
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}
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__dirent.d_type = info.Attribute & EFI_FILE_DIRECTORY ? DT_DIR : DT_REG;
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#ifndef UEFI_NO_UTF8
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__dirent.d_reclen = wcstombs(__dirent.d_name, info.FileName, FILENAME_MAX - 1);
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#else
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__dirent.d_reclen = strlen(info.FileName);
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strncpy(__dirent.d_name, info.FileName, FILENAME_MAX - 1);
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#endif
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return &__dirent;
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}
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void rewinddir (DIR *__dirp)
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{
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if(__dirp)
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__dirp->SetPosition(__dirp, 0);
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}
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int closedir (DIR *__dirp)
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{
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return fclose((FILE*)__dirp);
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}
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