Cygwin: mmap: allow remapping part of an existing anonymous mapping
[newlib-cygwin.git] / newlib / libc / xdr / xdr_private.h
blobdbdaaf0f09e7dfba9ef105b46870fde27859eb20
1 /* xdr_private.h - declarations of utility functions for porting xdr
3 * Copyright (c) 2009 Charles S. Wilson
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:
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
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.
23 #ifndef _XDR_PRIVATE_H
24 #define _XDR_PRIVATE_H
26 #include <_ansi.h>
27 #include <stdarg.h>
28 #include <stdint.h>
29 #include <sys/param.h>
30 #include <sys/types.h>
32 /* avoid including stdio header here */
33 #ifndef __VALIST
34 #ifdef __GNUC__
35 #define __VALIST __gnuc_va_list
36 #else
37 #define __VALIST char*
38 #endif
39 #endif
41 #ifdef __cplusplus
42 extern "C" {
43 #endif
45 typedef void (*xdr_vprintf_t) (const char *, va_list);
47 xdr_vprintf_t xdr_set_vprintf (xdr_vprintf_t);
49 void xdr_vwarnx (const char *, __VALIST)
50 _ATTRIBUTE ((__format__ (__printf__, 1, 0)));
52 void xdr_warnx (const char *, ...)
53 _ATTRIBUTE ((__format__ (__printf__, 1, 2)));
55 /* endian issues */
56 #include <machine/endian.h>
58 /* byteswap and ntohl stuff; platform may provide optimzed version
59 * of this, but we don't have access to that here.*/
60 _ELIDABLE_INLINE uint32_t xdr_ntohl (uint32_t x)
62 #if BYTE_ORDER == BIG_ENDIAN
63 return x;
64 #elif BYTE_ORDER == LITTLE_ENDIAN
65 u_char *s = (u_char *)&x;
66 return (uint32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
67 #else
68 # error Unsupported endian type
69 #endif
71 #define xdr_htonl(x) xdr_ntohl(x)
73 #ifdef __cplusplus
75 #endif
77 #endif /* _XDR_PRIVATE_H */