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118 lines
2.7 KiB
118 lines
2.7 KiB
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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ImpAlloc.c
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Abstract:
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This file contains ImportDirAllocApiRecords().
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Author:
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John Rogers (JohnRo) 19-Feb-1992
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Environment:
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Runs under Windows NT.
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Requires ANSI C extensions: slash-slash comments, long external names.
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Revision History:
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19-Feb-1992 JohnRo
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Created this routine by cloning ExportDirAllocApiRecords().
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--*/
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// These must be included first:
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#include <windef.h> // IN, VOID, LPTSTR, etc.
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#include <lmcons.h> // NET_API_STATUS, PARM equates, etc.
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#include <rap.h> // Needed by <strucinf.h>.
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// These can be in any order:
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#include <impdir.h> // My prototype.
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#include <lmapibuf.h> // NetApiBufferAllocate().
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#include <netdebug.h> // NetpAssert().
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#include <netlib.h> // NetpPointerPlusSomeBytes().
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#include <strucinf.h> // Netp{various}StructureInfo().
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#include <winerror.h> // ERROR_* defines; NO_ERROR.
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NET_API_STATUS
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ImportDirAllocApiRecords (
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IN DWORD Level,
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IN DWORD EntryCount,
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OUT LPBYTE * BufPtr,
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IN OUT LPBYTE *StringLocation // Points just past top of data.
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)
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{
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LPBYTE FirstRecord = NULL;
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NET_API_STATUS ApiStatus;
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DWORD EntrySize;
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//
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// Check for caller errors.
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//
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if (BufPtr == NULL) {
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return (ERROR_INVALID_PARAMETER);
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}
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* BufPtr = NULL; // Don't confuse caller about possible alloc'ed data.
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if (EntryCount == 0) {
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return (ERROR_INVALID_PARAMETER);
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}
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//
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// Compute size of an entry (and check caller's Level too).
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//
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ApiStatus = NetpReplImportDirStructureInfo (
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Level,
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PARMNUM_ALL,
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TRUE, // want native sizes
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NULL, // don't need DataDesc16
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NULL, // don't need DataDesc32
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NULL, // don't need DataDescSmb
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& EntrySize, // need max size of structure
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NULL, // don't need FixedSize
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NULL); // don't need StringSize
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if (ApiStatus != NO_ERROR) {
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return (ApiStatus);
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}
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NetpAssert( EntrySize > 0 );
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//
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// Allocate the output area.
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//
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ApiStatus = NetApiBufferAllocate(
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EntrySize * EntryCount,
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(LPVOID *) & FirstRecord);
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if (ApiStatus != NO_ERROR) {
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// ApiStatus is already set to return error to caller.
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} else {
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NetpAssert( FirstRecord != NULL );
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//
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// Tell caller where top of string area is.
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//
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* StringLocation = NetpPointerPlusSomeBytes(
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FirstRecord,
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EntrySize * EntryCount );
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}
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//
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// Tell caller how everything went.
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//
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* BufPtr = FirstRecord;
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return (ApiStatus);
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}
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