2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
10 #ifndef OPENAFS_AFS_CONFIG_STDS_H
11 #define OPENAFS_AFS_CONFIG_STDS_H 1
13 #include <afs/param.h>
14 #include <sys/types.h>
16 #define IN /* indicates a parameter is read in */
17 #define OUT /* indicates a parameter is sent out (a ptr) */
18 #define INOUT /* indicates a parameter is read in and sent out (a ptr) */
21 #define MACRO_BEGIN do {
24 #define MACRO_END } while (0)
30 #if defined(__HIGHC__)
32 * keep HC from complaining about the use of "old-style" function definitions
35 pragma Off(Prototype_override_warnings);
36 #endif /* defined(__HIGHC__) */
39 /* Now some types to enhance portability. Always use these on the wire or when
40 * laying out shared structures on disk. */
42 /* Imagine that this worked...
43 #if (sizeof(long) != 4) || (sizeof(short) != 2)
44 #error We require size of long and pointers to be equal
47 #define MAX_AFS_INT32 0x7FFFFFFF
48 #define MIN_AFS_INT32 (-MAX_AFS_INT32 - 1)
49 #define MAX_AFS_UINT32 0xFFFFFFFF
50 #define MAX_AFS_INT64 0x7FFFFFFFFFFFFFFFL
51 #define MIN_AFS_INT64 (-MAX_AFS_INT64 - 1)
52 #define MAX_AFS_UINT64 0xFFFFFFFFFFFFFFFFL
54 typedef short afs_int16;
55 typedef unsigned short afs_uint16;
57 typedef int afs_int32;
58 typedef unsigned int afs_uint32;
59 #if defined(AFS_NT40_ENV) && defined(_MSC_VER)
60 typedef __int64 afs_int64;
61 typedef unsigned __int64 afs_uint64;
63 typedef long long afs_int64;
64 typedef unsigned long long afs_uint64;
66 #define ZeroInt64(a) (a = 0)
67 #define AssignInt64(a, b) *(b) = (a)
68 #define IncInt64(a) (*(a))++
69 #define IncUInt64(a) (*(a))++
70 #define DecInt64(a) (*(a))--
71 #define DecUInt64(a) (*(a))--
72 #define GTInt64(a,b) ((a) > (b))
73 #define GEInt64(a,b) ((a) >= (b))
74 #define LEInt64(a,b) ((a) <= (b))
75 #define LTInt64(a,b) ((a) < (b))
76 #define AddInt64(a,b,c) *(c) = (afs_int64)(a) + (afs_int64)(b)
77 #define AddUInt64(a,b,c) *(c) = (afs_uint64)(a) + (afs_uint64)(b)
78 #define SubtractInt64(a,b,c) *(c) = (afs_int64)(a) - (afs_int64)(b)
79 #define SubtractUInt64(a,b,c) *(c) = (afs_uint64)(a) - (afs_uint64)(b)
80 #define CompareInt64(a,b) (afs_int64)(a) - (afs_int64)(b)
81 #define CompareUInt64(a,b) (afs_uint64)(a) - (afs_uint64)(b)
82 #define NonZeroInt64(a) (a)
83 #define Int64ToInt32(a) (a) & MAX_AFS_UINT32
84 #define FillInt64(t,h,l) (t) = ((afs_int64)(h) << 32) | (l);
85 #define SplitInt64(t,h,l) (h) = ((afs_int64)t) >> 32; (l) = (t) & MAX_AFS_UINT32;
86 #define RoundInt64ToInt32(a) (a > MAX_AFS_UINT32) ? MAX_AFS_UINT32 : a;
87 #define RoundInt64ToInt31(a) (a > MAX_AFS_INT32) ? MAX_AFS_INT32 : a;
88 #else /* AFS_64BIT_ENV */
89 typedef long afs_int32;
90 typedef unsigned long afs_uint32;
96 typedef struct Int64 afs_int64;
102 typedef struct u_Int64 afs_uint64;
103 #define ZeroInt64(a) ((a).high = (a).low = 0)
104 #define AssignInt64(a, b) (b)->high = (a).high; (b)->low = (a).low
105 #define IncInt64(a) ((++((a)->low)) ? 0 : (a)->high++ )
106 #define IncUInt64(a) ((++((a)->low)) ? 0 : (a)->high++ )
107 #define DecInt64(a) (((a)->low)-- ? 0 : (a)->high-- )
108 #define DecUInt64(a) (((a)->low)-- ? 0 : (a)->high-- )
109 #define GTInt64(a,b) (((a).high > (b).high) || (((a).high == (b).high) && ((a).low > (b).low)))
110 #define GEInt64(a,b) (((a).high > (b).high) || (((a).high == (b).high) && ((a).low >= (b).low)))
111 #define LEInt64(a,b) (((a).high < (b).high) || (((a).high == (b).high) && ((a).low <= (b).low)))
112 #define LTInt64(a,b) (((a).high < (b).high) || (((a).high == (b).high) && ((a).low < (b).low)))
113 #define CompareInt64(a,b) (((afs_int32)(a).high - (afs_int32)(b).high) || (((a).high == (b).high) && ((a).low - (b).low)))
114 #define AddInt64(a, b, c) { afs_int64 _a, _b; _a = a; _b = b; (c)->low = _a.low + _b.low; (c)->high = _a.high + _b.high + ((c)->low < _b.low); }
115 #define SubtractInt64(a, b, c) { afs_int64 _a, _b; _a = a; _b = b; (c)->low = _a.low - _b.low; (c)->high = _a.high - _b.high - (_a.low < _b.low); }
116 #define CompareUInt64(a,b) (((afs_uint32)(a).high - (afs_uint32)(b).high) || (((a).high == (b).high) && ((a).low - (b).low)))
117 #define AddUInt64(a, b, c) { afs_uint64 _a, _b; _a = a; _b = b; (c)->low = _a.low + _b.low; (c)->high = _a.high + _b.high + ((c)->low < _b.low); }
118 #define SubtractUInt64(a, b, c) { afs_uint64 _a, _b; _a = a; _b = b; (c)->low = _a.low - _b.low; (c)->high = _a.high - _b.high - (_a.low < _b.low); }
119 #define NonZeroInt64(a) (a).low || (a).high
120 #define Int64ToInt32(a) (a).low
121 #define FillInt64(t,h,l) (t).high = (h); (t).low = (l);
122 #define SplitInt64(t,h,l) (h) = (t).high; (l) = (t).low;
123 #define RoundInt64ToInt32(a) (a.high > 0) ? MAX_AFS_UINT32 : a.low;
124 #define RoundInt64ToInt31(a) (a.high > 0) ? MAX_AFS_INT32 : a.low;
125 #endif /* AFS_64BIT_ENV */
127 /* AFS_64BIT_CLIENT should presently be set only for AFS_64BIT_ENV systems */
129 #ifdef AFS_64BIT_CLIENT
130 typedef afs_int64 afs_size_t;
131 typedef afs_uint64 afs_offs_t;
132 #else /* AFS_64BIT_CLIENT */
133 typedef afs_int32 afs_size_t;
134 typedef afs_uint32 afs_offs_t;
135 #endif /* AFS_64BIT_CLIENT */
137 typedef afs_int64 afs_foff_t;
138 typedef afs_uint64 afs_fsize_t;
139 typedef afs_int64 afs_sfsize_t;
140 #define SplitOffsetOrSize(t,h,l) SplitInt64(t,h,l)
142 /* Maximum integer sizes. Also what is expected by %lld, %llu in
144 #ifdef AFS_64BIT_CLIENT
145 typedef afs_int64 afs_intmax_t;
146 typedef afs_uint64 afs_uintmax_t;
147 #else /* !AFS_64BIT_CLIENT */
148 typedef afs_int32 afs_intmax_t;
149 typedef afs_uint32 afs_uintmax_t;
150 #endif /* !AFS_64BIT_CLIENT */
152 /* you still have to include <netinet/in.h> to make these work */
160 /* Since there is going to be considerable use of 64 bit integers we provide
161 * some assistence in this matter. The hyper type is supposed to be compatible
162 * with the afsHyper type: the same macros will work on both. */
164 #if defined(AFS_64BIT_ENV) && 0
166 typedef unsigned long afs_hyper_t;
168 #define hcmp(a,b) ((a) < (b) ? -1 : ((a) > (b) ? 1 : 0))
169 #define hsame(a,b) ((a) == (b))
170 #define hiszero(a) ((a) == 0)
171 #define hfitsin32(a) ((a) & 0xffffffff00000000) == 0)
172 #define hset(a,b) ((a) = (b))
173 #define hzero(a) ((a) = 0)
174 #define hones(a) ((a) = ~((unsigned long)0))
175 #define hget32(i,a) ((i) = (unsigned int)(a))
176 #define hget64(hi,lo,a) ((lo) = ((unsigned int)(a)), (hi) = ((a) & (0xffffffff00000000)))
177 #define hset32(a,i) ((a) = ((unsigned int)(i)))
178 #define hset64(a,hi,lo) ((a) = (((hi) << 32) | (lo)))
179 #define hgetlo(a) ((a) & 0xffffffff)
180 #define hgethi(a) (((unsigned int)(a)) >> 32)
181 #define hadd(a,b) ((a) += (b))
183 #define hadd32(a,b) ((a) += (b))
184 #define hshlft(a,n) ((a)<<(n))
186 #else /* AFS_64BIT_ENV */
188 typedef struct afs_hyper_t { /* unsigned 64 bit integers */
193 #define hcmp(a,b) ((a).high<(b).high? -1 : ((a).high > (b).high? 1 : \
194 ((a).low <(b).low? -1 : ((a).low > (b).low? 1 : 0))))
195 #define hsame(a,b) ((a).low == (b).low && (a).high == (b).high)
196 #define hiszero(a) ((a).low == 0 && (a).high == 0)
197 #define hfitsin32(a) ((a).high == 0)
198 #define hset(a,b) ((a) = (b))
199 #define hzero(a) ((a).low = 0, (a).high = 0)
200 #define hones(a) ((a).low = 0xffffffff, (a).high = 0xffffffff)
201 #define hget32(i,a) ((i) = (a).low)
202 #define hget64(hi,lo,a) ((lo) = (a).low, (hi) = (a).high)
203 #define hset32(a,i) ((a).high = 0, (a).low = (i))
204 #define hset64(a,hi,lo) ((a).high = (hi), (a).low = (lo))
205 #define hgetlo(a) ((a).low)
206 #define hgethi(a) ((a).high)
207 #define hshlft(a,n) \
208 { /*Shift Left n bits*/ \
209 int s = sizeof((a).low) * 8; /*#bits*/ \
210 if ((n) <= 0) { /*No shift*/ \
211 } else if ((n) >= 2*s) { /*Shift off all bits*/ \
212 (a).high = (a).low = 0; \
213 } else if ((n) < s) { /*Part of low shifted into high*/ \
214 (a).high = ((a).high<<(n)) | (((a).low>>(s-(n))) & (1<<(n))-1); \
215 (a).low = (a).low << (n); \
216 } else if ((n) >= s) { /*All of low shifted into high plus some*/ \
217 (a).high = (a).low << ((n)-s); \
222 /* The algorithm here is to check for two cases that cause a carry. If the top
223 * two bits are different then if the sum has the top bit off then there must
224 * have been a carry. If the top bits are both one then there is always a
225 * carry. We assume 32 bit ints and twos complement arithmetic. */
227 #define SIGN 0x80000000
228 #define hadd32(a,i) \
229 ((void)((((a).low ^ (int)(i)) & SIGN) \
230 ? (((((a).low + (int)(i)) & SIGN) == 0) && (a).high++) \
231 : (((a).low & (int)(i) & SIGN) && (a).high++)), \
234 #define hadd(a,b) (hadd32(a,(b).low), (a).high += (b).high)
235 #endif /* AFS_64BIT_ENV */
237 #if !defined(KERNEL) || defined(UKERNEL)
239 #define max(a, b) ((a) < (b) ? (b) : (a))
240 #define min(a, b) ((a) > (b) ? (b) : (a))
242 /*#define abs(x) ((x) >= 0 ? (x) : -(x))*/
245 /* minumum length of string to pass to int_to_base64 */
246 typedef char b64_string_t[8];
248 #if defined(AFS_HPUX_ENV) || defined(AFS_USR_HPUX_ENV) || (defined(AFS_SUN_ENV) && !defined(AFS_SUN5_ENV))
249 char *int_to_base64();
252 char *int_to_base64(b64_string_t s, int a);
253 int base64_to_int(char *s);
255 #endif /* AFS_NT40_ENV */
257 * The afsUUID data type is built in to RX
262 afs_uint16 time_hi_and_version;
263 char clock_seq_hi_and_reserved;
267 typedef struct afsUUID afsUUID;
269 /* for now, demand attach fileserver is only support on unix pthreads builds */
270 #if defined(DEMAND_ATTACH_ENABLE) && defined(AFS_PTHREAD_ENV) && !defined(AFS_NT40_ENV)
271 #define AFS_DEMAND_ATTACH_FS 1
274 /* A macro that can be used when printf'ing 64 bit integers, as Unix and
275 * windows use a different format string
278 # define AFS_INT64_FMT "I64d"
279 # define AFS_UINT64_FMT "I64u"
280 # define AFS_PTR_FMT "p"
281 # define AFS_SIZET_FMT "Iu"
283 # define AFS_INT64_FMT "lld"
284 # define AFS_UINT64_FMT "llu"
285 # define AFS_PTR_FMT "p"
286 # ifdef PRINTF_TAKES_Z_LEN
287 # define AFS_SIZET_FMT "zu"
289 # define AFS_SIZET_FMT "lu"
290 # endif /* PRINTF_TAKES_Z_LEN */
291 #endif /* AFS_NT40_ENV */
293 /* Functions to safely cast afs_int32 and afs_uint32 so they can be used in
294 * printf statemements with %ld and %lu
297 #define static_inline __inline static
298 #define hdr_static_inline(x) __inline static x
299 #elif defined(AFS_HPUX_ENV) || defined(AFS_USR_HPUX_ENV)
300 /* The HPUX compiler can segfault on 'static __inline', so fall back to
301 * just 'static' so we can at least compile */
302 #define static_inline static
303 #define hdr_static_inline(x) static x
304 #elif defined(AFS_AIX_ENV) || defined(AFS_USR_AIX_ENV)
305 #define static_inline static
306 #define hdr_static_inline(x) static x
307 #elif defined(AFS_SGI_ENV) || defined(AFS_USR_SGI_ENV)
308 #define static_inline static
309 #define hdr_static_inline(x) x
311 #define static_inline static inline
312 #define hdr_static_inline(x) static inline x
315 hdr_static_inline(long) afs_printable_int32_ld(afs_int32 d) { return (long) d; }
317 hdr_static_inline(unsigned long) afs_printable_uint32_lu(afs_uint32 d) { return (unsigned long) d; }
319 #ifdef AFS_64BITUSERPOINTER_ENV
320 #define afs_pointer_to_int(p) ((afs_uint32) (afs_uint64) (p))
321 #define afs_int_to_pointer(i) ((void *) (afs_uint64) (i))
323 #define afs_pointer_to_int(p) ((afs_uint32) (p))
324 #define afs_int_to_pointer(i) ((void *) (i))
327 #if !defined(__GNUC__) || __GNUC__ < 2
329 #define AFS_ATTRIBUTE_FORMAT(style,x,y)
331 #define AFS_UNUSED __attribute__((unused))
332 #define AFS_ATTRIBUTE_FORMAT(style,x,y) __attribute__((format(style, x, y)))
335 #endif /* OPENAFS_CONFIG_AFS_STDS_H */