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2026-04-19 20:12:59 +04:00
commit 4f47a61ed2
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+/*
+ * dirent.c
+ *
+ * Copyright (C) 2021 bzt (bztsrc@gitlab)
+ *
+ * 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.
+ *
+ * This file is part of the POSIX-UEFI package.
+ * @brief Implementing functions which are defined in dirent.h
+ *
+ */
+
+#include <uefi.h>
+
+extern void __stdio_seterrno(efi_status_t status);
+static struct dirent __dirent;
+
+DIR *opendir (const char_t *__name)
+{
+    DIR *dp = (DIR*)fopen(__name, CL("rd"));
+    if(dp) rewinddir(dp);
+    return dp;
+}
+
+struct dirent *readdir (DIR *__dirp)
+{
+    efi_status_t status;
+    efi_file_info_t info;
+    uintn_t bs = sizeof(efi_file_info_t);
+    memset(&__dirent, 0, sizeof(struct dirent));
+    status = __dirp->Read(__dirp, &bs, &info);
+    if(EFI_ERROR(status) || !bs) {
+        if(EFI_ERROR(status)) __stdio_seterrno(status);
+        else errno = 0;
+        return NULL;
+    }
+    __dirent.d_type = info.Attribute & EFI_FILE_DIRECTORY ? DT_DIR : DT_REG;
+#ifndef UEFI_NO_UTF8
+    __dirent.d_reclen = (unsigned short int)wcstombs(__dirent.d_name, info.FileName, FILENAME_MAX - 1);
+#else
+    __dirent.d_reclen = strlen(info.FileName);
+    strncpy(__dirent.d_name, info.FileName, FILENAME_MAX - 1);
+#endif
+    return &__dirent;
+}
+
+void rewinddir (DIR *__dirp)
+{
+    if(__dirp)
+        __dirp->SetPosition(__dirp, 0);
+}
+
+int closedir (DIR *__dirp)
+{
+    return fclose((FILE*)__dirp);
+}
+
+