struct/buf.3.in: Correct the type of `buf_put' in the synopsis.

[mLib] / utils / bits.h

diff --git a/utils/bits.h b/utils/bits.h
index 28c7dd453916dac73e67ba3b6076407db452cb6e..295584519d03b20a24dd737f762433f2c5aab79f 100644 (file)
--- a/utils/bits.h
+++ b/utils/bits.h
@@ -202,13 +202,13 @@ typedef unsigned char octet, uint8;
 
 /* --- Type coercions --- */
 
-#define U8(x) ((octet)((x) & MASK8))
-#define U16(x) ((uint16)((x) & MASK16))
-#define U24(x) ((uint24)((x) & MASK24))
-#define U32(x) ((uint32)((x) & MASK32))
+#define U8(x) ((octet)((x)&MASK8))
+#define U16(x) ((uint16)((x)&MASK16))
+#define U24(x) ((uint24)((x)&MASK24))
+#define U32(x) ((uint32)((x)&MASK32))
 
 #ifdef HAVE_UINT64
-#  define U64(x) ((uint64)(x) & MASK64)
+#  define U64(x) ((uint64)(x)&MASK64)
 #  define U64_(d, x) ((d).i = U64(x).i)
 #else
 #  define U64_(d, x) ((d).hi = U32((x).hi), (d).lo = U32((x).lo))
@@ -216,23 +216,23 @@ typedef unsigned char octet, uint8;
 
 /* --- Safe shifting macros --- */
 
-#define LSL8(v, s) U8(U8(v) << ((s) & 7u))
-#define LSR8(v, s) U8(U8(v) >> ((s) & 7u))
-#define LSL16(v, s) U16(U16(v) << ((s) & 15u))
-#define LSR16(v, s) U16(U16(v) >> ((s) & 15u))
-#define LSL24(v, s) U24(U24(v) << ((s) % 24u))
-#define LSR24(v, s) U24(U24(v) >> ((s) % 24u))
-#define LSL32(v, s) U32(U32(v) << ((s) & 31u))
-#define LSR32(v, s) U32(U32(v) >> ((s) & 31u))
+#define LSL8(v, s) U8(U8(v) << ((s)&7u))
+#define LSR8(v, s) U8(U8(v) >> ((s)&7u))
+#define LSL16(v, s) U16(U16(v) << ((s)&15u))
+#define LSR16(v, s) U16(U16(v) >> ((s)&15u))
+#define LSL24(v, s) U24(U24(v) << ((s)%24u))
+#define LSR24(v, s) U24(U24(v) >> ((s)%24u))
+#define LSL32(v, s) U32(U32(v) << ((s)&31u))
+#define LSR32(v, s) U32(U32(v) >> ((s)&31u))
 
 #ifdef HAVE_UINT64
-#  define LSL64(v, s) U64(U64(v) << ((s) & 63u))
-#  define LSR64(v, s) U64(U64(v) >> ((s) & 63u))
+#  define LSL64(v, s) U64(U64(v) << ((s)&63u))
+#  define LSR64(v, s) U64(U64(v) >> ((s)&63u))
 #  define LSL64_(d, v, s) ((d).i = LSL64((v).i, (s)))
 #  define LSR64_(d, v, s) ((d).i = LSR64((v).i, (s)))
 #else
 #  define LSL64_(d, v, s) do {                                         \
-     unsigned _s = (s) & 63u;                                          \
+     unsigned _s = (s)&63u;                                            \
      uint32 _l = (v).lo, _h = (v).hi;                                  \
      kludge64 *_d = &(d);                                              \
      if (_s >= 32) {                                                   \
@@ -247,7 +247,7 @@ typedef unsigned char octet, uint8;
      }                                                                 \
    } while (0)
 #  define LSR64_(d, v, s) do {                                         \
-     unsigned _s = (s) & 63u;                                          \
+     unsigned _s = (s)&63u;                                            \
      uint32 _l = (v).lo, _h = (v).hi;                                  \
      kludge64 *_d = &(d);                                              \
      if (_s >= 32) {                                                   \
@@ -281,7 +281,7 @@ typedef unsigned char octet, uint8;
 #  define ROR64_(d, v, s) ((d).i = ROR64((v).i, (s)))
 #else
 #  define ROL64_(d, v, s) do {                                         \
-     unsigned _s = (s) & 63u;                                          \
+     unsigned _s = (s)&63u;                                            \
      uint32 _l = (v).lo, _h = (v).hi;                                  \
      kludge64 *_d = &(d);                                              \
      if (_s > 32) {                                                    \
@@ -299,7 +299,7 @@ typedef unsigned char octet, uint8;
      }                                                                 \
    } while (0)
 #  define ROR64_(d, v, s) do {                                         \
-     unsigned _s = (s) & 63u;                                          \
+     unsigned _s = (s)&63u;                                            \
      uint32 _l = (v).lo, _h = (v).hi;                                  \
      kludge64 *_d = &(d);                                              \
      if (_s > 32) {                                                    \
@@ -414,10 +414,6 @@ typedef unsigned char octet, uint8;
 #    define LTOH64(x) ENDSWAP64(x)
 #    define HTOB64(x) (x)
 #    define BTOH64(x) (x)
-#    define HTOL64_(z, x) ENDSWAP64_(z, x)
-#    define LTOH64_(z, x) ENDSWAP64_(z, x)
-#    define HTOB64_(z, x) ((z).i = (x).i)
-#    define BTOH64_(z, x) ((z).i = (x).i)
 #  endif
 #  define HTOL64_(z, x) ENDSWAP64_(z, x)
 #  define LTOH64_(z, x) ENDSWAP64_(z, x)
@@ -490,7 +486,7 @@ typedef unsigned char octet, uint8;
 #  define STORE64_B(p, x) (RAW64(p) = HTOB64(x))
 #endif
 
-#define GETBYTE(p, o) (((octet *)(p))[o] & MASK8)
+#define GETBYTE(p, o) (((octet *)(p))[o]&MASK8)
 #define PUTBYTE(p, o, v) (((octet *)(p))[o] = U8((v)))
 
 #define LOAD8(p) (GETBYTE((p), 0))
@@ -623,31 +619,35 @@ typedef unsigned char octet, uint8;
 /* --- Other operations on 64-bit integers --- */
 
 #ifdef HAVE_UINT64
-#  define SET64(d, h, l) ((d).i = (U64((h)) << 32) | U64((l)))
+#  define SET64(d, h, l) ((d).i = ((uint64)(U32(h)) << 32) | U32(l))
 #  define ASSIGN64(d, x) ((d).i = U64((x)))
 #  define HI64(x) U32((x).i >> 32)
 #  define LO64(x) U32((x).i)
 #  define GET64(t, x) ((t)(x).i)
+#  define SETBYTE64(z, x, j) ((z).i |= (uint64)U8(x) << 8*(j))
 #else
 #  define SET64(d, h, l) ((d).hi = U32(h), (d).lo = U32(l))
 #  define ASSIGN64(d, x)                                               \
-    ((d).hi = ((x & ~MASK32) >> 16) >> 16, (d).lo = U32(x))
+    ((d).hi = ((x&~MASK32) >> 16) >> 16, (d).lo = U32(x))
 #  define HI64(x) U32((x).hi)
 #  define LO64(x) U32((x).lo)
-#  define GET64(t, x) (((((t)HI64(x) << 16) << 16) & ~MASK32) | (t)LO64(x))
+#  define GET64(t, x) (((((t)HI64(x) << 16) << 16)&~MASK32) | (t)LO64(x))
+#  define SETBYTE64(z, x, j)                                           \
+       ((j) < 4 ? (z).lo |= (uint32)U8(x) << 8*(j)                     \
+                : (z).hi |= (uint32)U8(x) << 8*((j) - 4))
 #endif
 
 #ifdef HAVE_UINT64
-#  define AND64(d, x, y) ((d).i = (x).i & (y).i)
+#  define AND64(d, x, y) ((d).i = (x).i&(y).i)
 #  define OR64(d, x, y) ((d).i = (x).i | (y).i)
 #  define XOR64(d, x, y) ((d).i = (x).i ^ (y).i)
 #  define CPL64(d, x) ((d).i = ~(x).i)
 #  define ADD64(d, x, y) ((d).i = (x).i + (y).i)
 #  define SUB64(d, x, y) ((d).i = (x).i - (y).i)
 #  define CMP64(x, op, y) ((x).i op (y).i)
-#  define ZERO64(x) ((x) == 0)
+#  define ZERO64(x) ((x).i == 0)
 #else
-#  define AND64(d, x, y) ((d).lo = (x).lo & (y).lo, (d).hi = (x).hi & (y).hi)
+#  define AND64(d, x, y) ((d).lo = (x).lo&(y).lo, (d).hi = (x).hi&(y).hi)
 #  define OR64(d, x, y) ((d).lo = (x).lo | (y).lo, (d).hi = (x).hi | (y).hi)
 #  define XOR64(d, x, y) ((d).lo = (x).lo ^ (y).lo, (d).hi = (x).hi ^ (y).hi)
 #  define CPL64(d, x) ((d).lo = ~(x).lo, (d).hi = ~(x).hi)