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Pierre Schweitzer <heis_spiter@hotmail.com>

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- Implement FsRtlDissectName() based on MSDN description. Improvements and bugfixes to the patch were made by Aleksey Bragin.

svn path=/trunk/; revision=32447
This commit is contained in:
Aleksey Bragin 2008-02-22 10:50:26 +00:00
parent 3488e13934
commit fc56cc8116
1 changed files with 39 additions and 1 deletions
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40
reactos/ntoskrnl/fsrtl/name.c
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@ -139,7 +139,45 @@ FsRtlDissectName(IN UNICODE_STRING Name,
OUT PUNICODE_STRING FirstPart,
OUT PUNICODE_STRING RemainingPart)
{
KEBUGCHECK(0);
ULONG FirstPosition, i;
ULONG SkipFirstSlash = 0;
/* Just quit if the string is empty */
if (!Name.Length) return;
/* Find first backslash */
FirstPosition = Name.Length / sizeof(WCHAR) ;
for (i = 0; i < Name.Length / sizeof(WCHAR); i++)
{
/* If we found one... */
if (Name.Buffer[i] == '\\')
{
/* If it begins string, just notice it and continue */
if (i == 0)
{
SkipFirstSlash = 1;
}
else
{
/* Else, save its position and break out of the loop */
FirstPosition = i;
break;
}
}
}
/* Set up the first result string */
FirstPart->Buffer = Name.Buffer + SkipFirstSlash;
FirstPart->Length = (FirstPosition - SkipFirstSlash) * sizeof(WCHAR);
FirstPart->MaximumLength = Name.MaximumLength - FirstPart->Length;
/* And second one, if necessary */
if (FirstPosition < (Name.Length / sizeof(WCHAR)))
{
RemainingPart->Buffer = Name.Buffer + FirstPosition + 1;
RemainingPart->Length = (Name.Length - FirstPosition) * sizeof(WCHAR);
RemainingPart->MaximumLength = Name.MaximumLength - RemainingPart->Length;
}
}
/*++