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