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[NTVDM]

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Add the program name after the environment block.


svn path=/branches/ntvdm/; revision=59559
This commit is contained in:
Aleksandar Andrejevic 2013-07-22 20:21:46 +00:00
parent 87fc3759e3
commit be2e1f0907
1 changed files with 10 additions and 3 deletions
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13
subsystems/ntvdm/dos.c
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@ -54,7 +54,7 @@ static VOID DosCombineFreeBlocks(WORD StartBlock)
} }
} }
static WORD DosCopyEnvironmentBlock(WORD SourceSegment) static WORD DosCopyEnvironmentBlock(WORD SourceSegment, LPCSTR ProgramName)
{ {
PCHAR Ptr, SourceBuffer, DestBuffer = NULL; PCHAR Ptr, SourceBuffer, DestBuffer = NULL;
ULONG TotalSize = 0; ULONG TotalSize = 0;
@ -70,6 +70,9 @@ static WORD DosCopyEnvironmentBlock(WORD SourceSegment)
} }
TotalSize++; TotalSize++;
/* Add the string buffer size */
TotalSize += strlen(ProgramName) + 1;
/* Allocate the memory for the environment block */ /* Allocate the memory for the environment block */
DestSegment = DosAllocateMemory((TotalSize + 0x0F) >> 4, NULL); DestSegment = DosAllocateMemory((TotalSize + 0x0F) >> 4, NULL);
if (!DestSegment) return 0; if (!DestSegment) return 0;
@ -91,7 +94,10 @@ static WORD DosCopyEnvironmentBlock(WORD SourceSegment)
} }
/* Set the final zero */ /* Set the final zero */
*DestBuffer = 0; *(DestBuffer++) = 0;
/* Copy the program name after the environment block */
strcpy(DestBuffer, ProgramName);
return DestSegment; return DestSegment;
} }
@ -846,7 +852,8 @@ BOOLEAN DosCreateProcess(LPCSTR CommandLine, WORD EnvBlock)
/* No, copy the one from the parent */ /* No, copy the one from the parent */
EnvBlock = DosCopyEnvironmentBlock((CurrentPsp != SYSTEM_PSP) EnvBlock = DosCopyEnvironmentBlock((CurrentPsp != SYSTEM_PSP)
? SEGMENT_TO_PSP(CurrentPsp)->EnvBlock ? SEGMENT_TO_PSP(CurrentPsp)->EnvBlock
: SYSTEM_ENV_BLOCK); : SYSTEM_ENV_BLOCK,
ProgramFilePath);
} }
/* Check if this is an EXE file or a COM file */ /* Check if this is an EXE file or a COM file */