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Fixed bugs in RtlExpandEnvironmentStrings_U() and RtlSetEnvironmentVariable()

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svn path=/trunk/; revision=1018
This commit is contained in:
Eric Kohl 2000-02-27 15:45:57 +00:00
parent 6eb7010078
commit 853d9d4ae2
1 changed files with 19 additions and 7 deletions
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26
reactos/lib/ntdll/rtl/env.c
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@ -1,4 +1,4 @@
/* $Id: env.c,v 1.8 2000/02/19 19:34:49 ekohl Exp $
/* $Id: env.c,v 1.9 2000/02/27 15:45:57 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
@ -19,6 +19,7 @@
#define NDEBUG
#include <ntdll/ntdll.h>
/* FUNCTIONS *****************************************************************/
NTSTATUS
@ -130,6 +131,9 @@ RtlExpandEnvironmentStrings_U (
int dst_max;
int tail;
DPRINT ("RtlExpandEnvironmentStrings_U %p %wZ %p %p\n",
Environment, Source, Destination, Length);
src_len = Source->Length / sizeof(WCHAR);
s = Source->Buffer;
dst_max = Destination->MaximumLength / sizeof(WCHAR);
@ -162,7 +166,7 @@ RtlExpandEnvironmentStrings_U (
val.MaximumLength = dst_max * sizeof(WCHAR);
val.Buffer = d;
Status = RtlQueryEnvironmentVariable_U (Environment, &var, &val);
if (!NT_SUCCESS(Status))
if (NT_SUCCESS(Status))
{
d += val.Length / sizeof(WCHAR);
dst_max -= val.Length / sizeof(WCHAR);
@ -190,6 +194,7 @@ copy:
if (dst_max)
Destination->Buffer[Destination->Length / sizeof(WCHAR)] = 0;
DPRINT ("Destination %wZ\n", Destination);
return Status;
}
@ -419,18 +424,22 @@ RtlQueryEnvironmentVariable_U (
PWSTR val;
int varlen;
int len;
BOOLEAN SysEnvUsed = FALSE;
DPRINT("RtlQueryEnvironmentVariable_U Environment %p Variable %wZ Value %p\n",
Environment, Name, Value);
if (!Environment)
if (Environment == NULL)
{
Environment = NtCurrentPeb()->ProcessParameters->Environment;
SysEnvUsed = TRUE;
}
if (!Environment)
if (Environment == NULL)
return STATUS_VARIABLE_NOT_FOUND;
Value->Length = 0;
if (Environment == NtCurrentPeb()->ProcessParameters->Environment)
if (SysEnvUsed == TRUE)
RtlAcquirePebLock();
wcs = Environment;
@ -454,14 +463,16 @@ RtlQueryEnvironmentVariable_U (
{
wcscpy (Value->Buffer, val);
DPRINT("Value %S\n", val);
DPRINT("Return STATUS_SUCCESS\n");
Status = STATUS_SUCCESS;
}
else
{
DPRINT("Return STATUS_BUFFER_TOO_SMALL\n");
Status = STATUS_BUFFER_TOO_SMALL;
}
if (Environment == NtCurrentPeb()->ProcessParameters->Environment)
if (SysEnvUsed == TRUE)
RtlReleasePebLock ();
return Status;
@ -470,9 +481,10 @@ RtlQueryEnvironmentVariable_U (
wcs++;
}
if (Environment == NtCurrentPeb()->ProcessParameters->Environment)
if (SysEnvUsed == TRUE)
RtlReleasePebLock ();
DPRINT("Return STATUS_VARIABLE_NOT_FOUND\n");
return STATUS_VARIABLE_NOT_FOUND;
}