78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* xdr_private.h - declarations of utility functions for porting xdr
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*
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* Copyright (c) 2009 Charles S. Wilson
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _XDR_PRIVATE_H
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#define _XDR_PRIVATE_H
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#include <_ansi.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <sys/param.h>
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/* avoid including stdio header here */
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#ifndef __VALIST
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#ifdef __GNUC__
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#define __VALIST __gnuc_va_list
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#else
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#define __VALIST char*
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void _EXFNPTR (xdr_vprintf_t, (const char *, va_list));
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xdr_vprintf_t _EXFUN (xdr_set_vprintf, (xdr_vprintf_t));
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void _EXFUN (xdr_vwarnx, (const char *, __VALIST)
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_ATTRIBUTE ((__format__ (__printf__, 1, 0))));
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void _EXFUN (xdr_warnx, (const char *, ...)
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_ATTRIBUTE ((__format__ (__printf__, 1, 2))));
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/* endian issues */
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#include <machine/endian.h>
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/* byteswap and ntohl stuff; platform may provide optimzed version
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* of this, but we don't have access to that here.*/
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_ELIDABLE_INLINE uint32_t xdr_ntohl (uint32_t x)
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{
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#if BYTE_ORDER == BIG_ENDIAN
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return x;
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#elif BYTE_ORDER == LITTLE_ENDIAN
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u_char *s = (u_char *)&x;
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return (uint32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
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#else
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# error Unsupported endian type
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#endif
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}
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#define xdr_htonl(x) xdr_ntohl(x)
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#ifdef __cplusplus
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}
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#endif
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#endif /* _XDR_PRIVATE_H */
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