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68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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* Copyright (c) 2024 Stephen Heumann
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef NDR_H
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#define NDR_H
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#include <stdint.h>
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#include <stdbool.h>
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typedef struct {
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unsigned char *buf;
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unsigned char *pos;
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uint32_t remainingSize;
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} NDRBufInfo;
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/*
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* This typedef applies to NULL pointers, pointers with deferred referents,
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* or pointers referring to a previously-specified referent. Pointers not
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* in these categories will have the actual data after the 4-byte identifier.
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*/
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typedef uint32_t ndr_ptr;
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#define NDR_PTR(t) ndr_ptr
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#define NDR_UNION(t) struct { \
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uint32_t tag; /* type could differ */ \
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t data; \
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}
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#define NDR_CONFORMANT_ARRAY(t) struct { \
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uint32_t maxCount; \
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t data[]; \
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}
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#define NDR_CONFORMANT_VARYING_STRING(t) struct { \
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uint32_t maxCount; \
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uint32_t offset; \
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uint32_t actualCount; \
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t data[]; \
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}
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// NDR pointer values
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#define NDR_NULL 0
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#define NDR_ARBITRARY 1
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void InitNDRBuf(NDRBufInfo *info, void *buf, uint32_t bufSize);
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void *NDRRead(NDRBufInfo *info, uint32_t size);
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bool NDRWrite(NDRBufInfo *info, const void *data, uint32_t size);
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bool NDRWritePtr(NDRBufInfo *info, uint32_t val);
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bool NDRWriteI32(NDRBufInfo *info, uint32_t val);
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uint32_t NDRDataSize(NDRBufInfo *info);
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bool NDRAlign(NDRBufInfo *info, uint16_t alignment);
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#endif
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