Delete bundled copy of NSS and replace with README.

nspr/pr/include/prlong.h

Index: nspr/pr/include/prlong.h
diff --git a/nspr/pr/include/prlong.h b/nspr/pr/include/prlong.h
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index df1f30b081a8af65a315c7e6053d90e8c3af4cf1..0000000000000000000000000000000000000000
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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/*
-** File:                prlong.h
-** Description: Portable access to 64 bit numerics
-**
-** Long-long (64-bit signed integer type) support. Some C compilers
-** don't support 64 bit integers yet, so we use these macros to
-** support both machines that do and don't.
-**/
-#ifndef prlong_h___
-#define prlong_h___
-
-#include "prtypes.h"
-
-PR_BEGIN_EXTERN_C
-
-/***********************************************************************
-** DEFINES:     LL_MaxInt
-**              LL_MinInt
-**              LL_Zero
-**              LL_MaxUint
-** DESCRIPTION:
-**      Various interesting constants and static variable
-**      initializer
-***********************************************************************/
-NSPR_API(PRInt64) LL_MaxInt(void);
-NSPR_API(PRInt64) LL_MinInt(void);
-NSPR_API(PRInt64) LL_Zero(void);
-NSPR_API(PRUint64) LL_MaxUint(void);
-
-#if defined(HAVE_LONG_LONG)
-
-/* Keep this in sync with prtypes.h. */
-#if PR_BYTES_PER_LONG == 8 && !defined(PR_ALTERNATE_INT64_TYPEDEF)
-#define LL_MAXINT   9223372036854775807L
-#define LL_MININT   (-LL_MAXINT - 1L)
-#define LL_ZERO     0L
-#define LL_MAXUINT  18446744073709551615UL
-#define LL_INIT(hi, lo)  ((hi ## L << 32) + lo ## L)
-#elif defined(WIN32) && !defined(__GNUC__)
-#define LL_MAXINT   9223372036854775807i64
-#define LL_MININT   (-LL_MAXINT - 1i64)
-#define LL_ZERO     0i64
-#define LL_MAXUINT  18446744073709551615ui64
-#define LL_INIT(hi, lo)  ((hi ## i64 << 32) + lo ## i64)
-#else
-#define LL_MAXINT   9223372036854775807LL
-#define LL_MININT   (-LL_MAXINT - 1LL)
-#define LL_ZERO     0LL
-#define LL_MAXUINT  18446744073709551615ULL
-#define LL_INIT(hi, lo)  ((hi ## LL << 32) + lo ## LL)
-#endif
-
-/***********************************************************************
-** MACROS:      LL_*
-** DESCRIPTION:
-**      The following macros define portable access to the 64 bit
-**      math facilities.
-**
-***********************************************************************/
-
-/***********************************************************************
-** MACROS:      LL_<relational operators>
-**
-**  LL_IS_ZERO        Test for zero
-**  LL_EQ             Test for equality
-**  LL_NE             Test for inequality
-**  LL_GE_ZERO        Test for zero or positive
-**  LL_CMP            Compare two values
-***********************************************************************/
-#define LL_IS_ZERO(a)       ((a) == 0)
-#define LL_EQ(a, b)         ((a) == (b))
-#define LL_NE(a, b)         ((a) != (b))
-#define LL_GE_ZERO(a)       ((a) >= 0)
-#define LL_CMP(a, op, b)    ((PRInt64)(a) op (PRInt64)(b))
-#define LL_UCMP(a, op, b)   ((PRUint64)(a) op (PRUint64)(b))
-
-/***********************************************************************
-** MACROS:      LL_<logical operators>
-**
-**  LL_AND            Logical and
-**  LL_OR             Logical or
-**  LL_XOR            Logical exclusion
-**  LL_OR2            A disgusting deviation
-**  LL_NOT            Negation (one's complement)
-***********************************************************************/
-#define LL_AND(r, a, b)        ((r) = (a) & (b))
-#define LL_OR(r, a, b)        ((r) = (a) | (b))
-#define LL_XOR(r, a, b)        ((r) = (a) ^ (b))
-#define LL_OR2(r, a)        ((r) = (r) | (a))
-#define LL_NOT(r, a)        ((r) = ~(a))
-
-/***********************************************************************
-** MACROS:      LL_<mathematical operators>
-**
-**  LL_NEG            Negation (two's complement)
-**  LL_ADD            Summation (two's complement)
-**  LL_SUB            Difference (two's complement)
-***********************************************************************/
-#define LL_NEG(r, a)        ((r) = -(a))
-#define LL_ADD(r, a, b)     ((r) = (a) + (b))
-#define LL_SUB(r, a, b)     ((r) = (a) - (b))
-
-/***********************************************************************
-** MACROS:      LL_<mathematical operators>
-**
-**  LL_MUL            Product (two's complement)
-**  LL_DIV            Quotient (two's complement)
-**  LL_MOD            Modulus (two's complement)
-***********************************************************************/
-#define LL_MUL(r, a, b)        ((r) = (a) * (b))
-#define LL_DIV(r, a, b)        ((r) = (a) / (b))
-#define LL_MOD(r, a, b)        ((r) = (a) % (b))
-
-/***********************************************************************
-** MACROS:      LL_<shifting operators>
-**
-**  LL_SHL            Shift left [0..64] bits
-**  LL_SHR            Shift right [0..64] bits with sign extension
-**  LL_USHR           Unsigned shift right [0..64] bits
-**  LL_ISHL           Signed shift left [0..64] bits
-***********************************************************************/
-#define LL_SHL(r, a, b)     ((r) = (PRInt64)(a) << (b))
-#define LL_SHR(r, a, b)     ((r) = (PRInt64)(a) >> (b))
-#define LL_USHR(r, a, b)    ((r) = (PRUint64)(a) >> (b))
-#define LL_ISHL(r, a, b)    ((r) = (PRInt64)(a) << (b))
-
-/***********************************************************************
-** MACROS:      LL_<conversion operators>
-**
-**  LL_L2I            Convert to signed 32 bit
-**  LL_L2UI           Convert to unsigned 32 bit
-**  LL_L2F            Convert to floating point
-**  LL_L2D            Convert to floating point
-**  LL_I2L            Convert signed to 64 bit
-**  LL_UI2L           Convert unsigned to 64 bit
-**  LL_F2L            Convert float to 64 bit
-**  LL_D2L            Convert float to 64 bit
-***********************************************************************/
-#define LL_L2I(i, l)        ((i) = (PRInt32)(l))
-#define LL_L2UI(ui, l)        ((ui) = (PRUint32)(l))
-#define LL_L2F(f, l)        ((f) = (PRFloat64)(l))
-#define LL_L2D(d, l)        ((d) = (PRFloat64)(l))
-
-#define LL_I2L(l, i)        ((l) = (PRInt64)(i))
-#define LL_UI2L(l, ui)        ((l) = (PRInt64)(ui))
-#define LL_F2L(l, f)        ((l) = (PRInt64)(f))
-#define LL_D2L(l, d)        ((l) = (PRInt64)(d))
-
-/***********************************************************************
-** MACROS:      LL_UDIVMOD
-** DESCRIPTION:
-**  Produce both a quotient and a remainder given an unsigned 
-** INPUTS:      PRUint64 a: The dividend of the operation
-**              PRUint64 b: The quotient of the operation
-** OUTPUTS:     PRUint64 *qp: pointer to quotient
-**              PRUint64 *rp: pointer to remainder
-***********************************************************************/
-#define LL_UDIVMOD(qp, rp, a, b) \
-    (*(qp) = ((PRUint64)(a) / (b)), \
-     *(rp) = ((PRUint64)(a) % (b)))
-
-#else  /* !HAVE_LONG_LONG */
-
-#define LL_MAXINT   LL_MaxInt()
-#define LL_MININT   LL_MinInt()
-#define LL_ZERO     LL_Zero()
-#define LL_MAXUINT  LL_MaxUint()
-
-#ifdef IS_LITTLE_ENDIAN
-#define LL_INIT(hi, lo) {PR_UINT32(lo), PR_UINT32(hi)}
-#else
-#define LL_INIT(hi, lo) {PR_UINT32(hi), PR_UINT32(lo)}
-#endif
-
-#define LL_IS_ZERO(a)        (((a).hi == 0) && ((a).lo == 0))
-#define LL_EQ(a, b)        (((a).hi == (b).hi) && ((a).lo == (b).lo))
-#define LL_NE(a, b)        (((a).hi != (b).hi) || ((a).lo != (b).lo))
-#define LL_GE_ZERO(a)        (((a).hi >> 31) == 0)
-
-#define LL_CMP(a, op, b)    (((a).hi == (b).hi) ? ((a).lo op (b).lo) : \
-                 ((PRInt32)(a).hi op (PRInt32)(b).hi))
-#define LL_UCMP(a, op, b)    (((a).hi == (b).hi) ? ((a).lo op (b).lo) : \
-                 ((a).hi op (b).hi))
-
-#define LL_AND(r, a, b)        ((r).lo = (a).lo & (b).lo, \
-                 (r).hi = (a).hi & (b).hi)
-#define LL_OR(r, a, b)        ((r).lo = (a).lo | (b).lo, \
-                 (r).hi = (a).hi | (b).hi)
-#define LL_XOR(r, a, b)        ((r).lo = (a).lo ^ (b).lo, \
-                 (r).hi = (a).hi ^ (b).hi)
-#define LL_OR2(r, a)        ((r).lo = (r).lo | (a).lo, \
-                 (r).hi = (r).hi | (a).hi)
-#define LL_NOT(r, a)        ((r).lo = ~(a).lo, \
-                 (r).hi = ~(a).hi)
-
-#define LL_NEG(r, a)        ((r).lo = -(PRInt32)(a).lo, \
-                 (r).hi = -(PRInt32)(a).hi - ((r).lo != 0))
-#define LL_ADD(r, a, b) { \
-    PRInt64 _a, _b; \
-    _a = a; _b = b; \
-    (r).lo = _a.lo + _b.lo; \
-    (r).hi = _a.hi + _b.hi + ((r).lo < _b.lo); \
-}
-
-#define LL_SUB(r, a, b) { \
-    PRInt64 _a, _b; \
-    _a = a; _b = b; \
-    (r).lo = _a.lo - _b.lo; \
-    (r).hi = _a.hi - _b.hi - (_a.lo < _b.lo); \
-}
-
-#define LL_MUL(r, a, b) { \
-    PRInt64 _a, _b; \
-    _a = a; _b = b; \
-    LL_MUL32(r, _a.lo, _b.lo); \
-    (r).hi += _a.hi * _b.lo + _a.lo * _b.hi; \
-}
-
-#define _lo16(a)        ((a) & PR_BITMASK(16))
-#define _hi16(a)        ((a) >> 16)
-
-#define LL_MUL32(r, a, b) { \
-     PRUint32 _a1, _a0, _b1, _b0, _y0, _y1, _y2, _y3; \
-     _a1 = _hi16(a), _a0 = _lo16(a); \
-     _b1 = _hi16(b), _b0 = _lo16(b); \
-     _y0 = _a0 * _b0; \
-     _y1 = _a0 * _b1; \
-     _y2 = _a1 * _b0; \
-     _y3 = _a1 * _b1; \
-     _y1 += _hi16(_y0);                         /* can't carry */ \
-     _y1 += _y2;                                /* might carry */ \
-     if (_y1 < _y2)    \
-        _y3 += (PRUint32)(PR_BIT(16));  /* propagate */ \
-     (r).lo = (_lo16(_y1) << 16) + _lo16(_y0); \
-     (r).hi = _y3 + _hi16(_y1); \
-}
-
-#define LL_UDIVMOD(qp, rp, a, b)    ll_udivmod(qp, rp, a, b)
-
-NSPR_API(void) ll_udivmod(PRUint64 *qp, PRUint64 *rp, PRUint64 a, PRUint64 b);
-
-#define LL_DIV(r, a, b) { \
-    PRInt64 _a, _b; \
-    PRUint32 _negative = (PRInt32)(a).hi < 0; \
-    if (_negative) { \
-    LL_NEG(_a, a); \
-    } else { \
-    _a = a; \
-    } \
-    if ((PRInt32)(b).hi < 0) { \
-    _negative ^= 1; \
-    LL_NEG(_b, b); \
-    } else { \
-    _b = b; \
-    } \
-    LL_UDIVMOD(&(r), 0, _a, _b); \
-    if (_negative) \
-    LL_NEG(r, r); \
-}
-
-#define LL_MOD(r, a, b) { \
-    PRInt64 _a, _b; \
-    PRUint32 _negative = (PRInt32)(a).hi < 0; \
-    if (_negative) { \
-    LL_NEG(_a, a); \
-    } else { \
-    _a = a; \
-    } \
-    if ((PRInt32)(b).hi < 0) { \
-    LL_NEG(_b, b); \
-    } else { \
-    _b = b; \
-    } \
-    LL_UDIVMOD(0, &(r), _a, _b); \
-    if (_negative) \
-    LL_NEG(r, r); \
-}
-
-#define LL_SHL(r, a, b) { \
-    if (b) { \
-    PRInt64 _a; \
-        _a = a; \
-        if ((b) < 32) { \
-        (r).lo = _a.lo << ((b) & 31); \
-        (r).hi = (_a.hi << ((b) & 31)) | (_a.lo >> (32 - (b))); \
-    } else { \
-        (r).lo = 0; \
-        (r).hi = _a.lo << ((b) & 31); \
-    } \
-    } else { \
-    (r) = (a); \
-    } \
-}
-
-/* a is an PRInt32, b is PRInt32, r is PRInt64 */
-#define LL_ISHL(r, a, b) { \
-    if (b) { \
-    PRInt64 _a; \
-    _a.lo = (a); \
-    _a.hi = 0; \
-        if ((b) < 32) { \
-        (r).lo = (a) << ((b) & 31); \
-        (r).hi = ((a) >> (32 - (b))); \
-    } else { \
-        (r).lo = 0; \
-        (r).hi = (a) << ((b) & 31); \
-    } \
-    } else { \
-    (r).lo = (a); \
-    (r).hi = 0; \
-    } \
-}
-
-#define LL_SHR(r, a, b) { \
-    if (b) { \
-    PRInt64 _a; \
-        _a = a; \
-    if ((b) < 32) { \
-        (r).lo = (_a.hi << (32 - (b))) | (_a.lo >> ((b) & 31)); \
-        (r).hi = (PRInt32)_a.hi >> ((b) & 31); \
-    } else { \
-        (r).lo = (PRInt32)_a.hi >> ((b) & 31); \
-        (r).hi = (PRInt32)_a.hi >> 31; \
-    } \
-    } else { \
-    (r) = (a); \
-    } \
-}
-
-#define LL_USHR(r, a, b) { \
-    if (b) { \
-    PRInt64 _a; \
-        _a = a; \
-    if ((b) < 32) { \
-        (r).lo = (_a.hi << (32 - (b))) | (_a.lo >> ((b) & 31)); \
-        (r).hi = _a.hi >> ((b) & 31); \
-    } else { \
-        (r).lo = _a.hi >> ((b) & 31); \
-        (r).hi = 0; \
-    } \
-    } else { \
-    (r) = (a); \
-    } \
-}
-
-#define LL_L2I(i, l)        ((i) = (l).lo)
-#define LL_L2UI(ui, l)        ((ui) = (l).lo)
-#define LL_L2F(f, l)        { double _d; LL_L2D(_d, l); (f) = (PRFloat64)_d; }
-
-#define LL_L2D(d, l) { \
-    int _negative; \
-    PRInt64 _absval; \
- \
-    _negative = (l).hi >> 31; \
-    if (_negative) { \
-    LL_NEG(_absval, l); \
-    } else { \
-    _absval = l; \
-    } \
-    (d) = (double)_absval.hi * 4.294967296e9 + _absval.lo; \
-    if (_negative) \
-    (d) = -(d); \
-}
-
-#define LL_I2L(l, i)        { PRInt32 _i = ((PRInt32)(i)) >> 31; (l).lo = (i); (l).hi = _i; }
-#define LL_UI2L(l, ui)      ((l).lo = (ui), (l).hi = 0)
-#define LL_F2L(l, f)        { double _d = (double)f; LL_D2L(l, _d); }
-
-#define LL_D2L(l, d) { \
-    int _negative; \
-    double _absval, _d_hi; \
-    PRInt64 _lo_d; \
- \
-    _negative = ((d) < 0); \
-    _absval = _negative ? -(d) : (d); \
- \
-    (l).hi = _absval / 4.294967296e9; \
-    (l).lo = 0; \
-    LL_L2D(_d_hi, l); \
-    _absval -= _d_hi; \
-    _lo_d.hi = 0; \
-    if (_absval < 0) { \
-    _lo_d.lo = -_absval; \
-    LL_SUB(l, l, _lo_d); \
-    } else { \
-    _lo_d.lo = _absval; \
-    LL_ADD(l, l, _lo_d); \
-    } \
- \
-    if (_negative) \
-    LL_NEG(l, l); \
-}
-
-#endif /* !HAVE_LONG_LONG */
-
-PR_END_EXTERN_C
-
-#endif /* prlong_h___ */