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authorStefan Metzmacher <metze@samba.org>2011-04-23 11:01:34 +0200
committerStefan Metzmacher <metze@samba.org>2011-04-24 09:48:51 +0200
commitc0441b17e6580de65d87d28bfd9ae72d09a3508f (patch)
tree2bff4ed92dc37a2308f2a335a758280b82bd3808
parent5b327085775f279976c66cdd5f105132fda0965a (diff)
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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.h17
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 */