| 1 | /* xdr_private.h - declarations of utility functions for porting xdr |
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| 2 | * |
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| 3 | * Copyright (c) 2009 Charles S. Wilson |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the "Software"), |
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| 7 | * to deal in the Software without restriction, including without limitation |
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| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 10 | * Software is furnished to do so, subject to the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice shall be included |
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| 13 | * in all copies or substantial portions of the Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 16 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 21 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 22 | */ |
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| 23 | #ifndef _XDR_PRIVATE_H |
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| 24 | #define _XDR_PRIVATE_H |
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| 25 | |
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| 26 | #include <_ansi.h> |
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| 27 | #include <stdarg.h> |
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| 28 | #include <stdint.h> |
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| 29 | #include <sys/param.h> |
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| 30 | |
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| 31 | /* avoid including stdio header here */ |
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| 32 | #ifndef __VALIST |
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| 33 | #ifdef __GNUC__ |
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| 34 | #define __VALIST __gnuc_va_list |
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| 35 | #else |
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| 36 | #define __VALIST char* |
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| 37 | #endif |
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| 38 | #endif |
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| 39 | |
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| 40 | #ifdef __cplusplus |
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| 41 | extern "C" { |
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| 42 | #endif |
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| 43 | |
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| 44 | typedef void (*xdr_vprintf_t) (const char *, va_list); |
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| 45 | |
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| 46 | xdr_vprintf_t xdr_set_vprintf (xdr_vprintf_t); |
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| 47 | |
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| 48 | void xdr_vwarnx (const char *, __VALIST) |
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| 49 | _ATTRIBUTE ((__format__ (__printf__, 1, 0))); |
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| 50 | |
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| 51 | void xdr_warnx (const char *, ...) |
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| 52 | _ATTRIBUTE ((__format__ (__printf__, 1, 2))); |
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| 53 | |
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| 54 | /* endian issues */ |
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| 55 | #include <machine/endian.h> |
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| 56 | |
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| 57 | /* byteswap and ntohl stuff; platform may provide optimzed version |
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| 58 | * of this, but we don't have access to that here.*/ |
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| 59 | _ELIDABLE_INLINE uint32_t xdr_ntohl (uint32_t x) |
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| 60 | { |
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| 61 | #if BYTE_ORDER == BIG_ENDIAN |
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| 62 | return x; |
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| 63 | #elif BYTE_ORDER == LITTLE_ENDIAN |
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| 64 | u_char *s = (u_char *)&x; |
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| 65 | return (uint32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]); |
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| 66 | #else |
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| 67 | # error Unsupported endian type |
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| 68 | #endif |
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| 69 | } |
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| 70 | #define xdr_htonl(x) xdr_ntohl(x) |
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| 71 | |
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| 72 | #ifdef __cplusplus |
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| 73 | } |
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| 74 | #endif |
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| 75 | |
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| 76 | #endif /* _XDR_PRIVATE_H */ |
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| 77 | |
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