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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