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Added __PdxProcessDataToProcessParameters()
svn path=/trunk/; revision=2697
This commit is contained in:
KJK::Hyperion
parent
1bd3b67ed2
commit
5306bd86fb
1 changed files with 201 additions and 40 deletions
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@ -1,4 +1,4 @@
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/* $Id: pdata.c,v 1.1 2002/03/10 17:04:07 hyperion Exp $
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/* $Id: pdata.c,v 1.2 2002/03/11 20:45:07 hyperion Exp $
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*/
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/*
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* COPYRIGHT: See COPYING in the top level directory
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@ -10,15 +10,148 @@
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* 06/03/2002: Created
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* 07/03/2002: Added __PdxUnserializeProcessData() (KJK::Hyperion
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* <noog@libero.it>)
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* 11/03/2002: Added __PdxProcessDataToProcessParameters()
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* (KJK::Hyperion <noog@libero.it>)
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*/
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#include <ddk/ntddk.h>
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#include <string.h>
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#include <unistd.h>
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#include <psx/fdtable.h>
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#include <psx/pdata.h>
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#include <psx/stdlib.h>
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#include <psx/debug.h>
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NTSTATUS
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STDCALL
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__PdxProcessDataToProcessParameters
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(
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OUT PRTL_USER_PROCESS_PARAMETERS *ProcessParameters,
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IN __PPDX_PDATA ProcessData,
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IN PUNICODE_STRING ImageFile
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)
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{
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UNICODE_STRING wstrEmpty = {0, 0, NULL};
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UNICODE_STRING wstrCommandLine = {0, 0, NULL};
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NTSTATUS nErrCode;
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__fildes_t * fdDescriptor;
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int i;
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/* TODO: error checking */
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/* build the command line string from argument count and argument vector */
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if(ProcessData->ArgVect)
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{
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BOOL bQuoteArg;
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BOOL bFirstArg;
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ANSI_STRING strArgument;
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PWCHAR pwcBufferTail;
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for(i = 0; i < ProcessData->ArgCount; i ++)
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{
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RtlInitAnsiString(&strArgument, ProcessData->ArgVect[i]);
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bFirstArg = (i == 0);
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bQuoteArg = (strchr(strArgument.Buffer, ' ') != 0);
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/* allocate buffer space for the argument, a blank space if the argument is
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not the first, and two quotes if the argument contains a space */
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/* TODO: check this operation for overflow */
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wstrCommandLine.MaximumLength +=
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(strArgument.Length + (bFirstArg ? 0 : 1) + (bQuoteArg ? 2 : 0)) *
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sizeof(WCHAR);
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if(bFirstArg)
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{
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wstrCommandLine.Buffer = __malloc(wstrCommandLine.MaximumLength);
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}
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else
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{
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wstrCommandLine.Buffer =
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__realloc(wstrCommandLine.Buffer, wstrCommandLine.MaximumLength);
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}
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/* buffer tail */
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pwcBufferTail =
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(PWCHAR)((ULONG)wstrCommandLine.Buffer + wstrCommandLine.Length);
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/* append the separator if the argument isn't the first */
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if(!bFirstArg)
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{
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*pwcBufferTail = L' ';
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pwcBufferTail ++;
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}
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/* append the opening quote if the argument contains spaces */
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if(bQuoteArg)
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{
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*pwcBufferTail = L'"';
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pwcBufferTail ++;
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}
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mbstowcs(pwcBufferTail, strArgument.Buffer, strArgument.Length);
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/* append closing quote */
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if(bQuoteArg)
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{
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pwcBufferTail = (PWCHAR)((ULONG)pwcBufferTail + strArgument.Length * sizeof(WCHAR));
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*pwcBufferTail = L'"';
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}
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wstrCommandLine.Length = wstrCommandLine.MaximumLength;
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}
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}
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#ifndef NDEBUG
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wstrCommandLine.MaximumLength = wstrCommandLine.Length + sizeof(WCHAR);
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wstrCommandLine.Buffer = __realloc(wstrCommandLine.Buffer, wstrCommandLine.MaximumLength);
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wstrCommandLine.Buffer[wstrCommandLine.Length / sizeof(WCHAR)] = 0;
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INFO("command line is \"%ls\"\n", wstrCommandLine.Buffer);
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#endif
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RtlCreateProcessParameters
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(
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ProcessParameters,
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ImageFile,
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&wstrEmpty,
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&wstrEmpty,
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&wstrCommandLine,
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0,
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&wstrEmpty,
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&wstrEmpty,
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&wstrEmpty,
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&wstrEmpty
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);
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/* standard input handle */
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fdDescriptor = __fdtable_entry_get(&ProcessData->FdTable, STDIN_FILENO);
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if(fdDescriptor != NULL)
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(*ProcessParameters)->InputHandle = fdDescriptor->FileHandle;
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/* standard output handle */
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fdDescriptor = __fdtable_entry_get(&ProcessData->FdTable, STDOUT_FILENO);
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if(fdDescriptor != NULL)
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(*ProcessParameters)->OutputHandle = fdDescriptor->FileHandle;
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/* standard error handle */
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fdDescriptor = __fdtable_entry_get(&ProcessData->FdTable, STDERR_FILENO);
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if(fdDescriptor != NULL)
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(*ProcessParameters)->ErrorHandle = fdDescriptor->FileHandle;
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/* POSIX+ and NT environments are incompatible, we set the environment to
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nothing */
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(*ProcessParameters)->Environment = NULL;
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(*ProcessParameters)->ConsoleHandle = (PVOID)-1;
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(*ProcessParameters)->ConsoleFlags = 0;
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return (STATUS_SUCCESS);
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}
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/* serialize a process data block in a contiguous, page-aligned block, suitable
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for transfer across processes */
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NTSTATUS
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@ -42,63 +175,89 @@ __PdxSerializeProcessData
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/* FIXME please! this is the most inefficient way to do it */
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/* argv */
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pnArgLengths = __malloc(ProcessData->ArgCount * sizeof(size_t));
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INFO("serializing arguments\n");
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for(i = 0; i < ProcessData->ArgCount; i ++)
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if(ProcessData->ArgVect != 0)
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{
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int nStrLen = strlen(ProcessData->ArgVect[i]) + 1;
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ulAllocSize += nStrLen;
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pnArgLengths[i] = nStrLen;
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pnArgLengths = __malloc(ProcessData->ArgCount * sizeof(size_t));
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for(i = 0; i < ProcessData->ArgCount; i ++)
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{
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int nStrLen;
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if(ProcessData->ArgVect[i] == 0)
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{
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INFO("argument %d is NULL\n", i);
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pnArgLengths[i] = 0;
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continue;
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}
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nStrLen = strlen(ProcessData->ArgVect[i]) + 1;
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ulAllocSize += nStrLen;
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pnArgLengths[i] = nStrLen;
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INFO
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(
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"argument %d: \"%s\", length %d\n",
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i,
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ProcessData->ArgVect[i],
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nStrLen
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);
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}
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INFO
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(
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"argument %d: \"%s\", length %d\n",
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i,
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ProcessData->ArgVect[i],
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nStrLen
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);
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}
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else
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INFO("arguments vector is NULL\n");
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/* environ */
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pnEnvVarsLengths = 0;
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pnEnvVarsLengths = NULL;
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nEnvVarsCount = 0;
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for(i = 0; *(ProcessData->Environment)[i] != 0; i++)
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if(ProcessData->Environment == 0)
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INFO("pointer to environ is NULL\n");
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else if((ProcessData->Environment) == 0)
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INFO("environ is NULL\n");
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else
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{
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int nStrLen = strlen(*(ProcessData->Environment)[i]) + 1;
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ulAllocSize += nStrLen;
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for(i = 0; *(ProcessData->Environment)[i] != 0; i++)
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{
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int nStrLen = strlen(*(ProcessData->Environment)[i]) + 1;
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ulAllocSize += nStrLen;
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nEnvVarsCount ++;
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__realloc(pnEnvVarsLengths, nEnvVarsCount * sizeof(size_t));
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pnEnvVarsLengths[i] = nStrLen;
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INFO
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(
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"environment variable %d: \"%s\", length %d\n",
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i,
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*(ProcessData->Environment)[i],
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nStrLen
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);
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}
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nEnvVarsCount ++;
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__realloc(pnEnvVarsLengths, nEnvVarsCount * sizeof(size_t));
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pnEnvVarsLengths[i] = nStrLen;
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INFO
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(
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"environment variable %d: \"%s\", length %d\n",
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i,
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*(ProcessData->Environment)[i],
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nStrLen
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);
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INFO("(%d environment variables were found)\n", nEnvVarsCount);
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}
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INFO("(%d environment variables were found)\n", nEnvVarsCount);
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/* current directory */
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ulAllocSize += ProcessData->CurDir.Length;
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INFO
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(
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"current directory: \"%Z\", length %d\n",
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&ProcessData->CurDir,
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ProcessData->CurDir.Length
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"current directory: \"%.*ls\"\n",
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ProcessData->CurDir.Length / sizeof(WCHAR),
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ProcessData->CurDir.Buffer
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);
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/* root directory */
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ulAllocSize += ProcessData->RootPath.Length;
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INFO
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(
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"root directory: \"%Z\", length %d\n",
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&ProcessData->RootPath,
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ProcessData->RootPath.Length
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"root directory: \"%.*ls\"\n",
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ProcessData->RootPath.Length / sizeof(WCHAR),
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ProcessData->RootPath.Buffer
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);
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/* file descriptors table */
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@ -217,9 +376,10 @@ __PdxSerializeProcessData
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/* current directory */
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INFO
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(
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"copying %d bytes of current directory (\"%Z\") to 0x%08X\n",
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"copying %d bytes of current directory (\"%.*ls\") to 0x%08X\n",
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ProcessData->CurDir.Length,
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&ProcessData->CurDir,
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ProcessData->CurDir.Length / sizeof(WCHAR),
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ProcessData->CurDir.Buffer,
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pBufferTail
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);
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@ -236,9 +396,10 @@ __PdxSerializeProcessData
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/* root directory */
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INFO
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(
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"copying %d bytes of root directory (\"%Z\") to 0x%08X\n",
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"copying %d bytes of root directory (\"%.*ls\") to 0x%08X\n",
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ProcessData->RootPath.Length,
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&ProcessData->RootPath,
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ProcessData->RootPath.Length / sizeof(WCHAR),
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ProcessData->RootPath.Buffer,
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pBufferTail
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);
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