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| author | Stefan Metzmacher <metze@samba.org> | 2011-04-23 11:01:34 +0200 |
|---|---|---|
| committer | Stefan Metzmacher <metze@samba.org> | 2011-04-24 09:48:51 +0200 |
| commit | c0441b17e6580de65d87d28bfd9ae72d09a3508f (patch) | |
| tree | 2bff4ed92dc37a2308f2a335a758280b82bd3808 | |
| parent | 5b327085775f279976c66cdd5f105132fda0965a (diff) | |
| download | samba-c0441b17e6580de65d87d28bfd9ae72d09a3508f.tar.gz samba-c0441b17e6580de65d87d28bfd9ae72d09a3508f.tar.bz2 samba-c0441b17e6580de65d87d28bfd9ae72d09a3508f.zip | |
lib/util: add RBVAL, RBVALS, RSBVAL and RSRBVALS macros
They pull and push [u]int64_t values in big endian.
metze
| -rw-r--r-- | lib/util/byteorder.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/lib/util/byteorder.h b/lib/util/byteorder.h index 59ad8371e4..6bcf71e83b 100644 --- a/lib/util/byteorder.h +++ b/lib/util/byteorder.h @@ -201,18 +201,29 @@ static __inline__ void st_le32(uint32_t *addr, const uint32_t val) #endif /* not CAREFUL_ALIGNMENT */ +/* 64 bit macros */ +#define BVAL(p, ofs) (IVAL(p,ofs) | (((uint64_t)IVAL(p,(ofs)+4)) << 32)) +#define BVALS(p, ofs) ((int64_t)BVAL(p,ofs)) +#define SBVAL(p, ofs, v) (SIVAL(p,ofs,(v)&0xFFFFFFFF), SIVAL(p,(ofs)+4,((uint64_t)(v))>>32)) +#define SBVALS(p, ofs, v) (SBVAL(p,ofs,(uint64_t)v)) + /* now the reverse routines - these are used in nmb packets (mostly) */ #define SREV(x) ((((x)&0xFF)<<8) | (((x)>>8)&0xFF)) #define IREV(x) ((SREV(x)<<16) | (SREV((x)>>16))) +#define BREV(x) ((IREV(x)<<32) | (IREV((x)>>32))) #define RSVAL(buf,pos) SREV(SVAL(buf,pos)) #define RSVALS(buf,pos) SREV(SVALS(buf,pos)) #define RIVAL(buf,pos) IREV(IVAL(buf,pos)) #define RIVALS(buf,pos) IREV(IVALS(buf,pos)) +#define RBVAL(buf,pos) BREV(BVAL(buf,pos)) +#define RBVALS(buf,pos) BREV(BVALS(buf,pos)) #define RSSVAL(buf,pos,val) SSVAL(buf,pos,SREV(val)) #define RSSVALS(buf,pos,val) SSVALS(buf,pos,SREV(val)) #define RSIVAL(buf,pos,val) SIVAL(buf,pos,IREV(val)) #define RSIVALS(buf,pos,val) SIVALS(buf,pos,IREV(val)) +#define RSBVAL(buf,pos,val) SBVAL(buf,pos,BREV(val)) +#define RSBVALS(buf,pos,val) SBVALS(buf,pos,BREV(val)) /* Alignment macros. */ #define ALIGN4(p,base) ((p) + ((4 - (PTR_DIFF((p), (base)) & 3)) & 3)) @@ -222,10 +233,4 @@ static __inline__ void st_le32(uint32_t *addr, const uint32_t val) /* macros for accessing SMB protocol elements */ #define VWV(vwv) ((vwv)*2) -/* 64 bit macros */ -#define BVAL(p, ofs) (IVAL(p,ofs) | (((uint64_t)IVAL(p,(ofs)+4)) << 32)) -#define BVALS(p, ofs) ((int64_t)BVAL(p,ofs)) -#define SBVAL(p, ofs, v) (SIVAL(p,ofs,(v)&0xFFFFFFFF), SIVAL(p,(ofs)+4,((uint64_t)(v))>>32)) -#define SBVALS(p, ofs, v) (SBVAL(p,ofs,(uint64_t)v)) - #endif /* _BYTEORDER_H */ |