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Diffstat (limited to 'hv.h')
| -rw-r--r-- | hv.h | 82 |
1 files changed, 82 insertions, 0 deletions
@@ -0,0 +1,82 @@ +/* $RCSfile: hash.h,v $$Revision: 4.1 $$Date: 92/08/07 18:21:52 $ + * + * Copyright (c) 1991, Larry Wall + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * + * $Log: hash.h,v $ + * Revision 4.1 92/08/07 18:21:52 lwall + * + * Revision 4.0.1.2 91/11/05 17:24:31 lwall + * patch11: random cleanup + * + * Revision 4.0.1.1 91/06/07 11:10:33 lwall + * patch4: new copyright notice + * + * Revision 4.0 91/03/20 01:22:38 lwall + * 4.0 baseline. + * + */ + +#define FILLPCT 80 /* don't make greater than 99 */ +#define DBM_CACHE_MAX 63 /* cache 64 entries for dbm file */ + /* (resident array acts as a write-thru cache)*/ + +#define COEFFSIZE (16 * 8) /* size of coeff array */ + +typedef struct he HE; + +struct he { + HE *hent_next; + char *hent_key; + SV *hent_val; + I32 hent_hash; + I32 hent_klen; +}; + +struct xpvhv { + char * xpv_pv; /* pointer to malloced string */ + STRLEN xpv_cur; /* length of xp_pv as a C string */ + STRLEN xpv_len; /* allocated size */ + STRLEN xof_off; /* ptr is incremented by offset */ + double xnv_nv; /* numeric value, if any */ + MAGIC* xmg_magic; /* magic for scalar array */ + HV* xmg_stash; /* class package */ + + MAGIC* xhv_magic; /* magic for elements */ + + HE **xhv_array; + I32 xhv_max; /* subscript of last element of xhv_array */ + I32 xhv_dosplit; /* how full to get before splitting */ + I32 xhv_fill; /* how full xhv_array currently is */ + I32 xhv_riter; /* current root of iterator */ + HE *xhv_eiter; /* current entry of iterator */ + PMOP *xhv_pmroot; /* list of pm's for this package */ + char *xhv_name; /* name, if a symbol table */ +#ifdef SOME_DBM +#ifdef HAS_GDBM + GDBM_FILE xhv_dbm; +#else +#ifdef HAS_NDBM + DBM *xhv_dbm; +#else + I32 xhv_dbm; +#endif +#endif +#endif + unsigned char xhv_coeffsize; /* is 0 for symbol tables */ +}; + +#define Nullhv Null(HV*) +#define HvMAGIC(hv) ((XPVHV*) SvANY(hv))->xhv_magic +#define HvARRAY(hv) ((XPVHV*) SvANY(hv))->xhv_array +#define HvMAX(hv) ((XPVHV*) SvANY(hv))->xhv_max +#define HvDOSPLIT(hv) ((XPVHV*) SvANY(hv))->xhv_dosplit +#define HvFILL(hv) ((XPVHV*) SvANY(hv))->xhv_fill +#define HvRITER(hv) ((XPVHV*) SvANY(hv))->xhv_riter +#define HvEITER(hv) ((XPVHV*) SvANY(hv))->xhv_eiter +#define HvPMROOT(hv) ((XPVHV*) SvANY(hv))->xhv_pmroot +#define HvNAME(hv) ((XPVHV*) SvANY(hv))->xhv_name +#define HvDBM(hv) ((XPVHV*) SvANY(hv))->xhv_dbm +#define HvCOEFFSIZE(hv) ((XPVHV*) SvANY(hv))->xhv_coeffsize |