1 files changed, 135 insertions, 0 deletions
diff --git a/StdLib/PosixLib/Glob/DirFunctions.c b/StdLib/PosixLib/Glob/DirFunctions.c
new file mode 100644
index 0000000000..db495e36d2
--- /dev/null
+++ b/StdLib/PosixLib/Glob/DirFunctions.c
@@ -0,0 +1,135 @@
+/** @file
+  Implement the opendir, closedir, and readdir functions.
+
+  Copyright (c) 2011, Intel Corporation
+  All rights reserved. This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include "internal.h"
+#include <Library/ShellLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/BaseLib.h>
+
+typedef struct {
+  UINT32            Signature;
+  SHELL_FILE_HANDLE DirHandle;
+  EFI_FILE_INFO     *FileInfo;
+  struct dirent     *DirentStructure;
+} DIR_STRUCTURE;
+  
+DIR *                  opendir(const char * AsciiFileName)
+{
+  EFI_STATUS        Status;
+  DIR_STRUCTURE     *DirStruct;
+  CHAR16            *FileName;
+
+  DirStruct = (DIR_STRUCTURE*)AllocateZeroPool(sizeof(DIR_STRUCTURE));
+  if (DirStruct == NULL) {
+    errno = ENOMEM;
+    return NULL;
+  }
+
+  FileName = (CHAR16*)AllocateZeroPool((1+AsciiStrLen(AsciiFileName))*sizeof(CHAR16));
+  if (FileName == NULL) {
+    FreePool(DirStruct);
+    errno = ENOMEM;
+    return NULL;
+  }
+  AsciiStrToUnicodeStr(AsciiFileName, FileName);
+
+  Status = ShellOpenFileByName(FileName, &DirStruct->DirHandle, EFI_FILE_MODE_READ, 0);
+  FreePool(FileName);
+  if (EFI_ERROR(Status)) {
+    errno = ENOENT;
+    FreePool(DirStruct);
+    return NULL;
+  }
+  DirStruct->Signature = 0x08675309;
+  return ((DIR*)DirStruct);
+}
+
+int                    closedir(DIR * DirPointer)
+{
+  DIR_STRUCTURE     *DirStruct;
+
+  if (DirPointer == NULL) {
+    return 0;
+  }
+
+  DirStruct = (DIR_STRUCTURE*)DirPointer;
+  if (DirStruct->Signature != 0x08675309) {
+    return 0;
+  }
+
+  ShellCloseFile(DirStruct->DirHandle);
+  SHELL_FREE_NON_NULL(DirStruct->FileInfo);
+  SHELL_FREE_NON_NULL(DirStruct->DirentStructure);
+  SHELL_FREE_NON_NULL(DirStruct);
+  
+  return 0;
+}
+
+struct dirent *        readdir(DIR * DirPointer)
+{
+  DIR_STRUCTURE     *DirStruct;
+  EFI_STATUS        Status;
+  BOOLEAN           NoFile;
+
+  NoFile = FALSE;
+
+  if (DirPointer == NULL) {
+    errno = EBADF;
+    return NULL;
+  }
+
+  DirStruct = (DIR_STRUCTURE*)DirPointer;
+  if (DirStruct->Signature != 0x08675309) {
+    errno = EBADF;
+    return NULL;
+  }
+
+  if (DirStruct->FileInfo == NULL) {
+    Status = ShellFindFirstFile(DirStruct->DirHandle, &(DirStruct->FileInfo));
+  } else {
+    Status = ShellFindNextFile(DirStruct->DirHandle, DirStruct->FileInfo, &NoFile);
+  }
+
+  if (EFI_ERROR(Status)) {
+    errno = ENOENT;
+    return NULL;
+  }
+
+  if (NoFile) {
+    return (NULL);
+  }
+
+  SHELL_FREE_NON_NULL(DirStruct->DirentStructure);
+
+  DirStruct->DirentStructure = AllocateZeroPool(sizeof(DIR_STRUCTURE)+(StrSize(DirStruct->FileInfo->FileName)));
+  if (DirStruct->DirentStructure == NULL) {
+    errno = ENOMEM;
+    return NULL;
+  }
+
+  StrCpy(DirStruct->FileInfo->FileName, DirStruct->DirentStructure->FileName);
+
+  DirStruct->DirentStructure->FileSize                 = DirStruct->FileInfo->FileSize;
+  DirStruct->DirentStructure->PhysicalSize             = DirStruct->FileInfo->PhysicalSize;
+  DirStruct->DirentStructure->Attribute                = DirStruct->FileInfo->Attribute;
+  DirStruct->DirentStructure->CreateTime.tv_sec        = Efi2Time(&DirStruct->FileInfo->CreateTime);
+  DirStruct->DirentStructure->CreateTime.tv_nsec       = DirStruct->FileInfo->CreateTime.Nanosecond;
+  DirStruct->DirentStructure->LastAccessTime.tv_nsec   = Efi2Time(&DirStruct->FileInfo->LastAccessTime);
+  DirStruct->DirentStructure->LastAccessTime.tv_sec    = DirStruct->FileInfo->LastAccessTime.Nanosecond;
+  DirStruct->DirentStructure->ModificationTime.tv_sec  = Efi2Time(&DirStruct->FileInfo->ModificationTime);
+  DirStruct->DirentStructure->ModificationTime.tv_nsec = DirStruct->FileInfo->ModificationTime.Nanosecond;
+  DirStruct->DirentStructure->Size                     = StrSize(DirStruct->DirentStructure->FileName) + sizeof(DIR_STRUCTURE);
+
+  return (DirStruct->DirentStructure);
+}