mirror of
https://gitlab.com/bztsrc/posix-uefi.git
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106 lines
3 KiB
C
106 lines
3 KiB
C
/*
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* stat.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 sys/stat.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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extern time_t __mktime_efi(efi_time_t *t);
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int fstat (FILE *__f, struct stat *__buf)
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{
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uint64_t off = 0;
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efi_guid_t infGuid = EFI_FILE_INFO_GUID;
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efi_file_info_t info;
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uintn_t fsiz = (uintn_t)sizeof(efi_file_info_t);
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efi_status_t status;
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if(!__f || !__buf) {
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errno = EINVAL;
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return -1;
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}
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memset(__buf, 0, sizeof(struct stat));
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if(__f == stdin) {
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__buf->st_mode = S_IREAD | S_IFIFO;
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return 0;
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}
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if(__f == stdout || __f == stderr) {
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__buf->st_mode = S_IWRITE | S_IFIFO;
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return 0;
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}
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status = __f->GetInfo(__f, &infGuid, &fsiz, &info);
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if(EFI_ERROR(status)) {
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__stdio_seterrno(status);
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return -1;
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}
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__buf->st_mode = S_IREAD |
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(info.Attribute & EFI_FILE_READ_ONLY ? 0 : S_IWRITE) |
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(info.Attribute & EFI_FILE_DIRECTORY ? S_IFDIR : S_IFREG);
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__buf->st_size = (off_t)info.FileSize;
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__buf->st_blocks = (blkcnt_t)info.PhysicalSize;
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__buf->st_atime = __mktime_efi(&info.LastAccessTime);
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__buf->st_mtime = __mktime_efi(&info.ModificationTime);
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__buf->st_ctime = __mktime_efi(&info.CreateTime);
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return 0;
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}
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int stat (const wchar_t *__file, struct stat *__buf)
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{
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int ret;
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FILE *f;
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if(!__file || !*__file || !__buf) {
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errno = EINVAL;
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return -1;
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}
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f = fopen(__file, L"*");
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if(!f) {
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memset(__buf, 0, sizeof(struct stat));
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return -1;
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}
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ret = fstat(f, __buf);
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fclose(f);
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return ret;
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}
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extern int mkdir (const wchar_t *__path, mode_t __mode)
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{
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FILE *f;
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(void)__mode;
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if(!__path || !*__path) {
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errno = EINVAL;
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return -1;
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}
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f = fopen(__path, L"wd");
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if(!f) {
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return -1;
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}
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fclose(f);
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return 0;
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}
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