diff options
Diffstat (limited to 'libnetdata/libjudy/src/JudyL/JudyLFirst.c')
| -rw-r--r-- | libnetdata/libjudy/src/JudyL/JudyLFirst.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/libnetdata/libjudy/src/JudyL/JudyLFirst.c b/libnetdata/libjudy/src/JudyL/JudyLFirst.c new file mode 100644 index 00000000..aaf6639c --- /dev/null +++ b/libnetdata/libjudy/src/JudyL/JudyLFirst.c @@ -0,0 +1,213 @@ +// Copyright (C) 2000 - 2002 Hewlett-Packard Company +// +// This program is free software; you can redistribute it and/or modify it +// under the term of the GNU Lesser General Public License as published by the +// Free Software Foundation; either version 2 of the License, or (at your +// option) any later version. +// +// This program is distributed in the hope that it will be useful, but WITHOUT +// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License +// for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with this program; if not, write to the Free Software Foundation, +// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// _________________ + +// @(#) $Revision: 4.12 $ $Source: /judy/src/JudyCommon/JudyFirst.c $ +// +// Judy*First[Empty]() and Judy*Last[Empty]() routines for Judy1 and JudyL. +// Compile with one of -DJUDY1 or -DJUDYL. +// +// These are inclusive versions of Judy*Next[Empty]() and Judy*Prev[Empty](). + +#if (! (defined(JUDY1) || defined(JUDYL))) +#error: One of -DJUDY1 or -DJUDYL must be specified. +#endif + +#ifdef JUDY1 +#include "Judy1.h" +#else +#include "JudyL.h" +#endif + + +// **************************************************************************** +// J U D Y 1 F I R S T +// J U D Y L F I R S T +// +// See the manual entry for details. + +#ifdef JUDY1 +FUNCTION int Judy1First +#else +FUNCTION PPvoid_t JudyLFirst +#endif + ( + Pcvoid_t PArray, // Judy array to search. + Word_t * PIndex, // starting point and result. + PJError_t PJError // optional, for returning error info. + ) +{ + if (PIndex == (PWord_t) NULL) // caller error: + { + JU_SET_ERRNO(PJError, JU_ERRNO_NULLPINDEX); + JUDY1CODE(return(JERRI );) + JUDYLCODE(return(PPJERR);) + } + +#ifdef JUDY1 + switch (Judy1Test(PArray, *PIndex, PJError)) + { + case 1: return(1); // found *PIndex itself. + case 0: return(Judy1Next(PArray, PIndex, PJError)); + default: return(JERRI); + } +#else + { + PPvoid_t PValue; + + if ((PValue = JudyLGet(PArray, *PIndex, PJError)) == PPJERR) + return(PPJERR); + + if (PValue != (PPvoid_t) NULL) return(PValue); // found *PIndex. + + return(JudyLNext(PArray, PIndex, PJError)); + } +#endif + +} // Judy1First() / JudyLFirst() + + +// **************************************************************************** +// J U D Y 1 L A S T +// J U D Y L L A S T +// +// See the manual entry for details. + +#ifdef JUDY1 +FUNCTION int Judy1Last( +#else +FUNCTION PPvoid_t JudyLLast( +#endif + Pcvoid_t PArray, // Judy array to search. + Word_t * PIndex, // starting point and result. + PJError_t PJError) // optional, for returning error info. +{ + if (PIndex == (PWord_t) NULL) + { + JU_SET_ERRNO(PJError, JU_ERRNO_NULLPINDEX); // caller error. + JUDY1CODE(return(JERRI );) + JUDYLCODE(return(PPJERR);) + } + +#ifdef JUDY1 + switch (Judy1Test(PArray, *PIndex, PJError)) + { + case 1: return(1); // found *PIndex itself. + case 0: return(Judy1Prev(PArray, PIndex, PJError)); + default: return(JERRI); + } +#else + { + PPvoid_t PValue; + + if ((PValue = JudyLGet(PArray, *PIndex, PJError)) == PPJERR) + return(PPJERR); + + if (PValue != (PPvoid_t) NULL) return(PValue); // found *PIndex. + + return(JudyLPrev(PArray, PIndex, PJError)); + } +#endif + +} // Judy1Last() / JudyLLast() + + +// **************************************************************************** +// J U D Y 1 F I R S T E M P T Y +// J U D Y L F I R S T E M P T Y +// +// See the manual entry for details. + +#ifdef JUDY1 +FUNCTION int Judy1FirstEmpty( +#else +FUNCTION int JudyLFirstEmpty( +#endif + Pcvoid_t PArray, // Judy array to search. + Word_t * PIndex, // starting point and result. + PJError_t PJError) // optional, for returning error info. +{ + if (PIndex == (PWord_t) NULL) // caller error: + { + JU_SET_ERRNO(PJError, JU_ERRNO_NULLPINDEX); + return(JERRI); + } + +#ifdef JUDY1 + switch (Judy1Test(PArray, *PIndex, PJError)) + { + case 0: return(1); // found *PIndex itself. + case 1: return(Judy1NextEmpty(PArray, PIndex, PJError)); + default: return(JERRI); + } +#else + { + PPvoid_t PValue; + + if ((PValue = JudyLGet(PArray, *PIndex, PJError)) == PPJERR) + return(JERRI); + + if (PValue == (PPvoid_t) NULL) return(1); // found *PIndex. + + return(JudyLNextEmpty(PArray, PIndex, PJError)); + } +#endif + +} // Judy1FirstEmpty() / JudyLFirstEmpty() + + +// **************************************************************************** +// J U D Y 1 L A S T E M P T Y +// J U D Y L L A S T E M P T Y +// +// See the manual entry for details. + +#ifdef JUDY1 +FUNCTION int Judy1LastEmpty( +#else +FUNCTION int JudyLLastEmpty( +#endif + Pcvoid_t PArray, // Judy array to search. + Word_t * PIndex, // starting point and result. + PJError_t PJError) // optional, for returning error info. +{ + if (PIndex == (PWord_t) NULL) + { + JU_SET_ERRNO(PJError, JU_ERRNO_NULLPINDEX); // caller error. + return(JERRI); + } + +#ifdef JUDY1 + switch (Judy1Test(PArray, *PIndex, PJError)) + { + case 0: return(1); // found *PIndex itself. + case 1: return(Judy1PrevEmpty(PArray, PIndex, PJError)); + default: return(JERRI); + } +#else + { + PPvoid_t PValue; + + if ((PValue = JudyLGet(PArray, *PIndex, PJError)) == PPJERR) + return(JERRI); + + if (PValue == (PPvoid_t) NULL) return(1); // found *PIndex. + + return(JudyLPrevEmpty(PArray, PIndex, PJError)); + } +#endif + +} // Judy1LastEmpty() / JudyLLastEmpty() |