move a function to the correct library.

[mirror_edk2.git] / ShellPkg / Library / UefiShellCommandLib / UefiShellCommandLib.c

diff --git a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
index 9e7cd0e6e1464a1b9074f50a7528ad8431aef37a..b91ba27af04d9375356bb7c6f9a392ea49490113 100644 (file)
--- a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
+++ b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
@@ -1545,3 +1545,51 @@ ChopLastSlash(
   return (FALSE);\r
 }\r
 \r
+/**\r
+  Function to clean up paths.  Removes the following items:\r
+    single periods in the path (no need for the current directory tag)\r
+    double periods in the path and removes a single parent directory.\r
+\r
+  This will be done inline and the resultant string may be be 'too big'.\r
+\r
+  @param[in] PathToReturn  The pointer to the string containing the path.\r
+\r
+  @return PathToReturn is always returned.\r
+**/\r
+CHAR16*\r
+EFIAPI\r
+CleanPath(\r
+  IN CHAR16 *PathToReturn\r
+  )\r
+{\r
+  CHAR16  *TempString;\r
+  UINTN   TempSize;\r
+  if (PathToReturn==NULL) {\r
+    return(NULL);\r
+  }\r
+  //\r
+  // Fix up the directory name\r
+  //\r
+  while ((TempString = StrStr(PathToReturn, L"\\..\\")) != NULL) {\r
+    *TempString = CHAR_NULL;\r
+    TempString  += 4;\r
+    ChopLastSlash(PathToReturn);\r
+    TempSize = StrSize(TempString);\r
+    CopyMem(PathToReturn+StrLen(PathToReturn), TempString, TempSize);\r
+  }\r
+  if ((TempString = StrStr(PathToReturn, L"\\..")) != NULL && *(TempString + 3) == CHAR_NULL) {\r
+    *TempString = CHAR_NULL;\r
+    ChopLastSlash(PathToReturn);\r
+  }\r
+  while ((TempString = StrStr(PathToReturn, L"\\.\\")) != NULL) {\r
+    *TempString = CHAR_NULL;\r
+    TempString  += 2;\r
+    TempSize = StrSize(TempString);\r
+    CopyMem(PathToReturn+StrLen(PathToReturn), TempString, TempSize);\r
+  }\r
+  if ((TempString = StrStr(PathToReturn, L"\\.")) != NULL && *(TempString + 2) == CHAR_NULL) {\r
+    *TempString = CHAR_NULL;\r
+  }\r
+  return (PathToReturn);\r
+}\r
+\r