/* Copyright (C) 1990 Transarc Corporation - All rights reserved */ /* $Header: /afs/sipb/project/afs/src/sipb-3.3a/src/config/RCS/stds.h,v 1.1 1996/10/21 15:10:33 warlord Exp warlord $ */ #ifndef TRANSARC_AFS_CONFIG_STDS_H #define TRANSARC_AFS_CONFIG_STDS_H 1 #include /* The following two groups are from /afs/tr/kansas/src/stds/transarc_stds.h * entered by Erik Brown. 900301 -ota */ #define IN /* indicates a parameter is read in */ #define OUT /* indicates a parameter is sent out (a ptr) */ #define INOUT /* indicates a parameter is read in and sent out (a ptr) */ #define EXPORT /* available to everyone */ #define HIDDEN /* used in a PUBLIC macro, but not exported */ #define SHARED /* shared between module source files */ #define PRIVATE static /* private to a source (.c) file */ #define IMPORT extern /* this is new -ota */ #ifndef MACRO_BEGIN #define MACRO_BEGIN do { #endif #ifndef MACRO_END #define MACRO_END } while (0) #endif /* * The following are provided for ANSI C compatibility */ #ifdef __STDC__ typedef void *opaque; #else /* __STDC__ */ #define const typedef char *opaque; #endif /* __STDC__ */ /* Use _TAKES with double parentheses around an ANSI C param list */ /* MIPS compilers understand ANSI prototypes (and check 'em too!) */ #ifndef _TAKES #if defined(__STDC__) || defined(mips) #define _TAKES(x) x #else /* __STDC__ */ #define _TAKES(x) () #endif /* __STDC__ */ #endif /* _TAKES */ #if defined(__HIGHC__) /* * keep HC from complaining about the use of "old-style" function definitions * with prototypes */ pragma Off(Prototype_override_warnings); #endif /* defined(__HIGHC__) */ /* * This makes including the RCS id in object files less painful. Put this near * the beginning of .c files (not .h files). Do NOT follow it with a * semi-colon. The argument should be a double quoted string containing the * standard RCS Header keyword. */ #ifndef lint /* Believe it or not this seems to supress all warnings from all compilers I've * checked. I've tried the HC compile with normal, -g and -o switched. Also * gcc on the pmax with "-O -Wall" and so far so good. -ota 900426 */ #define RCSID(x) \ static const char *rcsid = x; \ static int (*__rcsid)(); \ static int _rcsid () \ { static int a; \ a = (int)rcsid; __rcsid = _rcsid; a = (int)__rcsid; return a; } /* #define RCSID(x) static const char *rcsid() { return x;} */ #else #define RCSID(x) #endif /* Now some types to enhance portability. Always use these on the wire or when * laying out shared structures on disk. */ /* Imagine that this worked... #if (sizeof(long) != 4) || (sizeof(short) != 2) #error We require size of long and pointers to be equal #endif */ #if (defined(linux) && defined(__powerpc__)) #define int16 short #define u_int16 unsigned short #define int32 long #else typedef short int16; typedef unsigned short u_int16; #ifdef AFS_64BIT_ENV typedef int int32; typedef unsigned int u_int32; #else /* AFS_64BIT_ENV */ typedef long int32; #endif /* AFS_64BIT_ENV */ #endif /* The Sun RPC include files define this with a typedef and this caused * problems for the NFS Translator. Users of those include files should just * #undef this. */ #if !defined(AFS_OSF_ENV) #define u_int32 unsigned long #define uint32 unsigned long /* typedef unsigned int u_int32; */ #endif #ifndef AFS_ALPHA_ENV #define xdr_int32 xdr_long #define xdr_u_int32 xdr_u_long #endif /* you still have to include to make these work */ #define hton32 htonl #define hton16 htons #define ntoh32 ntohl #define ntoh16 ntohs /* Since there is going to be considerable use of 64 bit integers we provide * some assistence in this matter. The hyper type is supposed to be compatible * with the afsHyper type: the same macros will work on both. */ #if defined(AFS_64BIT_ENV) && 0 typedef unsigned long hyper; #define hcmp(a,b) ((a) < (b) ? -1 : ((a) > (b) ? 1 : 0)) #define hsame(a,b) ((a) == (b)) #define hiszero(a) ((a) == 0) #define hfitsin32(a) ((a) & 0xffffffff00000000) == 0) #define hset(a,b) ((a) = (b)) #define hzero(a) ((a) = 0) #define hones(a) ((a) = ~((unsigned long)0)) #define hget32(i,a) ((i) = (unsigned int)(a)) #define hget64(hi,lo,a) ((lo) = ((unsigned int)(a)), (hi) = ((a) & (0xffffffff00000000))) #define hset32(a,i) ((a) = ((unsigned int)(i))) #define hset64(a,hi,lo) ((a) = ((hi) | (lo))) #define hgetlo(a) ((a) & 0xffffffff) #define hgethi(a) (((unsigned int)(a)) >> 32) #define hadd(a,b) ((a) += (b)) /* XXX */ #define hadd32(a,b) ((a) += (b)) #else /* AFS_64BIT_ENV */ typedef struct hyper { /* unsigned 64 bit integers */ unsigned int high; unsigned int low; } hyper; #define hcmp(a,b) ((a).high<(b).high? -1 : ((a).high > (b).high? 1 : \ ((a).low <(b).low? -1 : ((a).low > (b).low? 1 : 0)))) #define hsame(a,b) ((a).low == (b).low && (a).high == (b).high) #define hiszero(a) ((a).low == 0 && (a).high == 0) #define hfitsin32(a) ((a).high == 0) #define hset(a,b) ((a) = (b)) #define hzero(a) ((a).low = 0, (a).high = 0) #define hones(a) ((a).low = 0xffffffff, (a).high = 0xffffffff) #define hget32(i,a) ((i) = (a).low) #define hget64(hi,lo,a) ((lo) = (a).low, (hi) = (a).high) #define hset32(a,i) ((a).high = 0, (a).low = (i)) #define hset64(a,hi,lo) ((a).high = (hi), (a).low = (lo)) #define hgetlo(a) ((a).low) #define hgethi(a) ((a).high) /* The algorithm here is to check for two cases that cause a carry. If the top * two bits are different then if the sum has the top bit off then there must * have been a carry. If the top bits are both one then there is always a * carry. We assume 32 bit ints and twos complement arithmetic. */ #define SIGN 0x80000000 #define hadd32(a,i) \ (((((a).low ^ (int)(i)) & SIGN) \ ? (((((a).low + (int)(i)) & SIGN) == 0) && (a).high++) \ : (((a).low & (int)(i) & SIGN) && (a).high++)), \ (a).low += (int)(i)) #define hadd(a,b) (hadd32(a,(b).low), (a).high += (b).high) #endif /* AFS_64BIT_ENV */ #endif /* TRANSARC_CONFIG_AFS_STDS_H */