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oleaut32: Fix differences between the size returned in sizing the 

buffer for interfaces and the buffer actually used.
This commit is contained in:
Robert Shearman 2006-04-18 11:57:12 +01:00 committed by Alexandre Julliard
parent a963fd6285
commit 50a9c208c6
1 changed files with 9 additions and 9 deletions
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16
dlls/oleaut32/usrmarshal.c
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@ -287,14 +287,14 @@ static unsigned char* interface_variant_marshal(unsigned long *pFlags, unsigned
working_memlocked = GlobalLock(working_mem);
memcpy(Buffer, &size, sizeof(ULONG)); /* copy the buffersize */
Buffer += sizeof(ULONG);
memcpy(Buffer, working_memlocked, size);
memcpy(Buffer + sizeof(ULONG), working_memlocked, size);
GlobalUnlock(working_mem);
IStream_Release(working);
TRACE("done, size=%ld\n", sizeof(ULONG) + size);
return Buffer + sizeof(ULONG) + size;
/* size includes the ULONG for the size written above */
TRACE("done, size=%ld\n", size);
return Buffer + size;
}
/* helper: called for VT_DISPATCH / VT_UNKNOWN variants to unmarshal the buffer. returns Buffer on failure, new position otherwise */
@ -314,7 +314,6 @@ static unsigned char *interface_variant_unmarshal(unsigned long *pFlags, unsigne
/* get the buffersize */
memcpy(&size, Buffer, sizeof(ULONG));
TRACE("buffersize=%ld\n", size);
Buffer += sizeof(ULONG);
working_mem = GlobalAlloc(0, size);
if (!working_mem) return oldpos;
@ -328,7 +327,7 @@ static unsigned char *interface_variant_unmarshal(unsigned long *pFlags, unsigne
working_memlocked = GlobalLock(working_mem);
/* now we copy the contents of the marshalling buffer to working_memlocked, unlock it, and demarshal the stream */
memcpy(working_memlocked, Buffer, size);
memcpy(working_memlocked, Buffer + sizeof(ULONG), size);
GlobalUnlock(working_mem);
hr = CoUnmarshalInterface(working, riid, (void**)&V_UNKNOWN(pvar));
@ -339,8 +338,9 @@ static unsigned char *interface_variant_unmarshal(unsigned long *pFlags, unsigne
IStream_Release(working); /* this also frees the underlying hglobal */
TRACE("done, processed=%ld bytes\n", sizeof(ULONG) + size);
return Buffer + sizeof(ULONG) + size;
/* size includes the ULONG for the size written above */
TRACE("done, processed=%ld bytes\n", size);
return Buffer + size;
}