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Editing: DBIXS.h
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/* vim: ts=8:sw=4:expandtab * * $Id$ * * Copyright (c) 1994-2010 Tim Bunce Ireland * * See COPYRIGHT section in DBI.pm for usage and distribution rights. */ /* DBI Interface Definitions for DBD Modules */ #ifndef DBIXS_VERSION /* prevent multiple inclusion */ #ifndef DBIS #define DBIS dbis /* default name for dbistate_t variable */ #endif /* Here for backwards compat. PERL_POLLUTE was removed in perl 5.13.3 */ #define PERL_POLLUTE /* first pull in the standard Perl header files for extensions */ #include <EXTERN.h> #include <perl.h> #include <XSUB.h> #ifdef debug /* causes problems with DBIS->debug */ #undef debug #endif #ifdef std /* causes problems with STLport <tscheresky@micron.com> */ #undef std #endif /* define DBIXS_REVISION */ #include "dbixs_rev.h" /* Perl backwards compatibility definitions */ #define NEED_sv_2pv_flags #include "dbipport.h" /* DBI SQL_* type definitions */ #include "dbi_sql.h" #define DBIXS_VERSION 93 /* superseded by DBIXS_REVISION */ #ifdef NEED_DBIXS_VERSION #if NEED_DBIXS_VERSION > DBIXS_VERSION error You_need_to_upgrade_your_DBI_module_before_building_this_driver #endif #else #define NEED_DBIXS_VERSION DBIXS_VERSION #endif #define DBI_LOCK #define DBI_UNLOCK #ifndef DBI_NO_THREADS #ifdef USE_ITHREADS #define DBI_USE_THREADS #endif /* USE_ITHREADS */ #endif /* DBI_NO_THREADS */ /* forward struct declarations */ typedef struct dbistate_st dbistate_t; /* implementor needs to define actual struct { dbih_??c_t com; ... }*/ typedef struct imp_drh_st imp_drh_t; /* driver */ typedef struct imp_dbh_st imp_dbh_t; /* database */ typedef struct imp_sth_st imp_sth_t; /* statement */ typedef struct imp_fdh_st imp_fdh_t; /* field descriptor */ typedef struct imp_xxh_st imp_xxh_t; /* any (defined below) */ #define DBI_imp_data_ imp_xxh_t /* friendly for take_imp_data */ /* --- DBI Handle Common Data Structure (all handles have one) --- */ /* Handle types. Code currently assumes child = parent + 1. */ #define DBIt_DR 1 #define DBIt_DB 2 #define DBIt_ST 3 #define DBIt_FD 4 /* component structures */ typedef struct dbih_com_std_st { U32 flags; int call_depth; /* used by DBI to track nested calls (int) */ U16 type; /* DBIt_DR, DBIt_DB, DBIt_ST */ HV *my_h; /* copy of outer handle HV (not refcounted) */ SV *parent_h; /* parent inner handle (ref to hv) (r.c.inc) */ imp_xxh_t *parent_com; /* parent com struct shortcut */ PerlInterpreter * thr_user; /* thread that owns the handle */ HV *imp_stash; /* who is the implementor for this handle */ SV *imp_data; /* optional implementors data (for perl imp's) */ I32 kids; /* count of db's for dr's, st's for db's etc */ I32 active_kids; /* kids which are currently DBIc_ACTIVE */ U32 pid; /* pid of process that created handle */ dbistate_t *dbistate; } dbih_com_std_t; typedef struct dbih_com_attr_st { /* These are copies of the Hash values (ref.cnt.inc'd) */ /* Many of the hash values are themselves references */ SV *TraceLevel; SV *State; /* Standard SQLSTATE, 5 char string */ SV *Err; /* Native engine error code */ SV *Errstr; /* Native engine error message */ UV ErrCount; U32 LongReadLen; /* auto read length for long/blob types */ SV *FetchHashKeyName; /* for fetchrow_hashref */ /* (NEW FIELDS?... DON'T FORGET TO UPDATE dbih_clearcom()!) */ } dbih_com_attr_t; struct dbih_com_st { /* complete core structure (typedef'd above) */ dbih_com_std_t std; dbih_com_attr_t attr; }; /* This 'implementors' type the DBI defines by default as a way to */ /* refer to the imp_??h data of a handle without considering its type. */ struct imp_xxh_st { struct dbih_com_st com; }; /* Define handle-type specific structures for implementors to include */ /* at the start of their private structures. */ typedef struct { /* -- DRIVER -- */ dbih_com_std_t std; dbih_com_attr_t attr; HV *_old_cached_kids; /* not used, here for binary compat */ } dbih_drc_t; typedef struct { /* -- DATABASE -- */ dbih_com_std_t std; /* \__ standard structure */ dbih_com_attr_t attr; /* / plus... (nothing else right now) */ HV *_old_cached_kids; /* not used, here for binary compat */ } dbih_dbc_t; typedef struct { /* -- STATEMENT -- */ dbih_com_std_t std; /* \__ standard structure */ dbih_com_attr_t attr; /* / plus ... */ int num_params; /* number of placeholders */ int num_fields; /* NUM_OF_FIELDS, must be set */ AV *fields_svav; /* special row buffer (inc bind_cols) */ IV row_count; /* incremented by get_fbav() */ AV *fields_fdav; /* not used yet, may change */ I32 spare1; void *spare2; } dbih_stc_t; /* XXX THIS STRUCTURE SHOULD NOT BE USED */ typedef struct { /* -- FIELD DESCRIPTOR -- */ dbih_com_std_t std; /* standard structure (not fully setup) */ /* core attributes (from DescribeCol in ODBC) */ char *col_name; /* see dbih_make_fdsv */ I16 col_name_len; I16 col_sql_type; I16 col_precision; I16 col_scale; I16 col_nullable; /* additional attributes (from ColAttributes in ODBC) */ I32 col_length; I32 col_disp_size; I32 spare1; void *spare2; } dbih_fdc_t; #define _imp2com(p,f) ((p)->com.f) /* private */ #define DBIc_FLAGS(imp) _imp2com(imp, std.flags) #define DBIc_TYPE(imp) _imp2com(imp, std.type) #define DBIc_CALL_DEPTH(imp) _imp2com(imp, std.call_depth) #define DBIc_MY_H(imp) _imp2com(imp, std.my_h) #define DBIc_PARENT_H(imp) _imp2com(imp, std.parent_h) #define DBIc_PARENT_COM(imp) _imp2com(imp, std.parent_com) #define DBIc_THR_COND(imp) _imp2com(imp, std.thr_cond) #define DBIc_THR_USER(imp) _imp2com(imp, std.thr_user) #define DBIc_THR_USER_NONE (0xFFFF) #define DBIc_IMP_STASH(imp) _imp2com(imp, std.imp_stash) #define DBIc_IMP_DATA(imp) _imp2com(imp, std.imp_data) #define DBIc_DBISTATE(imp) _imp2com(imp, std.dbistate) #define DBIc_LOGPIO(imp) DBIc_DBISTATE(imp)->logfp #define DBIc_KIDS(imp) _imp2com(imp, std.kids) #define DBIc_ACTIVE_KIDS(imp) _imp2com(imp, std.active_kids) #define DBIc_LAST_METHOD(imp) _imp2com(imp, std.last_method) /* d = DBD flags, l = DBD level (needs to be shifted down) * D - DBI flags, r = reserved, L = DBI trace level * Trace level bit allocation: 0xddlDDDrL */ #define DBIc_TRACE_LEVEL_MASK 0x0000000F #define DBIc_TRACE_FLAGS_MASK 0xFF0FFF00 /* includes DBD flag bits for DBIc_TRACE */ #define DBIc_TRACE_SETTINGS(imp) (DBIc_DBISTATE(imp)->debug) #define DBIc_TRACE_LEVEL(imp) (DBIc_TRACE_SETTINGS(imp) & DBIc_TRACE_LEVEL_MASK) #define DBIc_TRACE_FLAGS(imp) (DBIc_TRACE_SETTINGS(imp) & DBIc_TRACE_FLAGS_MASK) /* DBI defined trace flags */ #define DBIf_TRACE_SQL 0x00000100 #define DBIf_TRACE_CON 0x00000200 #define DBIf_TRACE_ENC 0x00000400 #define DBIf_TRACE_DBD 0x00000800 #define DBIf_TRACE_TXN 0x00001000 #define DBDc_TRACE_LEVEL_MASK 0x00F00000 #define DBDc_TRACE_LEVEL_SHIFT 20 #define DBDc_TRACE_LEVEL(imp) ( (DBIc_TRACE_SETTINGS(imp) & DBDc_TRACE_LEVEL_MASK) >> DBDc_TRACE_LEVEL_SHIFT ) #define DBDc_TRACE_LEVEL_set(imp, l) ( DBIc_TRACE_SETTINGS(imp) |= (((l) << DBDc_TRACE_LEVEL_SHIFT) & DBDc_TRACE_LEVEL_MASK )) /* DBIc_TRACE_MATCHES(this, crnt): true if this 'matches' (is within) crnt DBIc_TRACE_MATCHES(foo, DBIc_TRACE_SETTINGS(imp)) */ #define DBIc_TRACE_MATCHES(this, crnt) \ ( ((crnt & DBIc_TRACE_LEVEL_MASK) >= (this & DBIc_TRACE_LEVEL_MASK)) \ || ((crnt & DBIc_TRACE_FLAGS_MASK) & (this & DBIc_TRACE_FLAGS_MASK)) ) /* DBIc_TRACE(imp, flags, flag_level, fallback_level) True if flags match the handle trace flags & handle trace level >= flag_level, OR if handle trace_level > fallback_level (typically > flag_level). This is the main trace testing macro to be used by drivers. (Drivers should define their own DBDf_TRACE_* macros for the top 8 bits: 0xFF000000) DBIc_TRACE(imp, 0, 0, 4) = if trace level >= 4 DBIc_TRACE(imp, DBDf_TRACE_FOO, 2, 4) = if tracing DBDf_FOO & level>=2 or level>=4 DBIc_TRACE(imp, DBDf_TRACE_FOO, 2, 0) = as above but never trace just due to level e.g. if (DBIc_TRACE(imp_xxh, DBIf_TRACE_SQL|DBIf_TRACE_xxx, 2, 0)) { PerlIO_printf(DBIc_LOGPIO(imp_sth), "\tThe %s wibbled the %s\n", ...); } */ #define DBIc_TRACE(imp, flags, flaglevel, level) \ ( (flags && (DBIc_TRACE_FLAGS(imp) & flags) && (DBIc_TRACE_LEVEL(imp) >= flaglevel)) \ || (level && DBIc_TRACE_LEVEL(imp) >= level) ) #define DBIc_DEBUG(imp) (_imp2com(imp, attr.TraceLevel)) /* deprecated */ #define DBIc_DEBUGIV(imp) SvIV(DBIc_DEBUG(imp)) /* deprecated */ #define DBIc_STATE(imp) SvRV(_imp2com(imp, attr.State)) #define DBIc_ERR(imp) SvRV(_imp2com(imp, attr.Err)) #define DBIc_ERRSTR(imp) SvRV(_imp2com(imp, attr.Errstr)) #define DBIc_ErrCount(imp) _imp2com(imp, attr.ErrCount) #define DBIc_LongReadLen(imp) _imp2com(imp, attr.LongReadLen) #define DBIc_LongReadLen_init 80 /* may change */ #define DBIc_FetchHashKeyName(imp) (_imp2com(imp, attr.FetchHashKeyName)) /* handle sub-type specific fields */ /* dbh & drh */ #define DBIc_CACHED_KIDS(imp) Nullhv /* no longer used, here for src compat */ /* sth */ #define DBIc_NUM_FIELDS(imp) _imp2com(imp, num_fields) #define DBIc_NUM_PARAMS(imp) _imp2com(imp, num_params) #define DBIc_NUM_PARAMS_AT_EXECUTE -9 /* see Driver.xst */ #define DBIc_ROW_COUNT(imp) _imp2com(imp, row_count) #define DBIc_FIELDS_AV(imp) _imp2com(imp, fields_svav) #define DBIc_FDESC_AV(imp) _imp2com(imp, fields_fdav) #define DBIc_FDESC(imp, i) ((imp_fdh_t*)(void*)SvPVX(AvARRAY(DBIc_FDESC_AV(imp))[i])) /* XXX --- DO NOT CHANGE THESE VALUES AS THEY ARE COMPILED INTO DRIVERS --- XXX */ #define DBIcf_COMSET 0x000001 /* needs to be clear'd before free'd */ #define DBIcf_IMPSET 0x000002 /* has implementor data to be clear'd */ #define DBIcf_ACTIVE 0x000004 /* needs finish/disconnect before clear */ #define DBIcf_IADESTROY 0x000008 /* do DBIc_ACTIVE_off before DESTROY */ #define DBIcf_WARN 0x000010 /* warn about poor practice etc */ #define DBIcf_COMPAT 0x000020 /* compat/emulation mode (eg oraperl) */ #define DBIcf_ChopBlanks 0x000040 /* rtrim spaces from fetch char columns */ #define DBIcf_RaiseError 0x000080 /* throw exception (croak) on error */ #define DBIcf_PrintError 0x000100 /* warn() on error */ #define DBIcf_AutoCommit 0x000200 /* dbh only. used by drivers */ #define DBIcf_LongTruncOk 0x000400 /* truncation to LongReadLen is okay */ #define DBIcf_MultiThread 0x000800 /* allow multiple threads to enter */ #define DBIcf_HandleSetErr 0x001000 /* has coderef HandleSetErr attribute */ #define DBIcf_ShowErrorStatement 0x002000 /* include Statement in error */ #define DBIcf_BegunWork 0x004000 /* between begin_work & commit/rollback */ #define DBIcf_HandleError 0x008000 /* has coderef in HandleError attribute */ #define DBIcf_Profile 0x010000 /* profile activity on this handle */ #define DBIcf_TaintIn 0x020000 /* check inputs for taintedness */ #define DBIcf_TaintOut 0x040000 /* taint outgoing data */ #define DBIcf_Executed 0x080000 /* do/execute called since commit/rollb */ #define DBIcf_PrintWarn 0x100000 /* warn() on warning (err="0") */ #define DBIcf_Callbacks 0x200000 /* has Callbacks attribute hash */ #define DBIcf_AIADESTROY 0x400000 /* auto DBIcf_IADESTROY if pid changes */ #define DBIcf_RaiseWarn 0x800000 /* throw exception (croak) on warn */ /* NOTE: new flags may require clone() to be updated */ #define DBIcf_INHERITMASK /* what NOT to pass on to children */ \ (U32)( DBIcf_COMSET | DBIcf_IMPSET | DBIcf_ACTIVE | DBIcf_IADESTROY \ | DBIcf_AutoCommit | DBIcf_BegunWork | DBIcf_Executed | DBIcf_Callbacks ) /* general purpose bit setting and testing macros */ #define DBIbf_is( bitset,flag) ((bitset) & (flag)) #define DBIbf_has(bitset,flag) DBIbf_is(bitset, flag) /* alias for _is */ #define DBIbf_on( bitset,flag) ((bitset) |= (flag)) #define DBIbf_off(bitset,flag) ((bitset) &= ~(flag)) #define DBIbf_set(bitset,flag,on) ((on) ? DBIbf_on(bitset, flag) : DBIbf_off(bitset,flag)) /* as above, but specifically for DBIc_FLAGS imp flags (except ACTIVE) */ #define DBIc_is(imp, flag) DBIbf_is( DBIc_FLAGS(imp), flag) #define DBIc_has(imp,flag) DBIc_is(imp, flag) /* alias for DBIc_is */ #define DBIc_on(imp, flag) DBIbf_on( DBIc_FLAGS(imp), flag) #define DBIc_off(imp,flag) DBIbf_off(DBIc_FLAGS(imp), flag) #define DBIc_set(imp,flag,on) DBIbf_set(DBIc_FLAGS(imp), flag, on) #define DBIc_COMSET(imp) DBIc_is(imp, DBIcf_COMSET) #define DBIc_COMSET_on(imp) DBIc_on(imp, DBIcf_COMSET) #define DBIc_COMSET_off(imp) DBIc_off(imp,DBIcf_COMSET) #define DBIc_IMPSET(imp) DBIc_is(imp, DBIcf_IMPSET) #define DBIc_IMPSET_on(imp) DBIc_on(imp, DBIcf_IMPSET) #define DBIc_IMPSET_off(imp) DBIc_off(imp,DBIcf_IMPSET) #define DBIc_ACTIVE(imp) (DBIc_FLAGS(imp) & DBIcf_ACTIVE) #define DBIc_ACTIVE_on(imp) /* adjust parent's active kid count */ \ do { \ imp_xxh_t *ph_com = DBIc_PARENT_COM(imp); \ if (!DBIc_ACTIVE(imp) && ph_com && !PL_dirty \ && ++DBIc_ACTIVE_KIDS(ph_com) > DBIc_KIDS(ph_com)) \ croak("panic: DBI active kids (%ld) > kids (%ld)", \ (long)DBIc_ACTIVE_KIDS(ph_com), \ (long)DBIc_KIDS(ph_com)); \ DBIc_FLAGS(imp) |= DBIcf_ACTIVE; \ } while(0) #define DBIc_ACTIVE_off(imp) /* adjust parent's active kid count */ \ do { \ imp_xxh_t *ph_com = DBIc_PARENT_COM(imp); \ if (DBIc_ACTIVE(imp) && ph_com && !PL_dirty \ && (--DBIc_ACTIVE_KIDS(ph_com) > DBIc_KIDS(ph_com) \ || DBIc_ACTIVE_KIDS(ph_com) < 0) ) \ croak("panic: DBI active kids (%ld) < 0 or > kids (%ld)", \ (long)DBIc_ACTIVE_KIDS(ph_com), \ (long)DBIc_KIDS(ph_com)); \ DBIc_FLAGS(imp) &= ~DBIcf_ACTIVE; \ } while(0) #define DBIc_IADESTROY(imp) (DBIc_FLAGS(imp) & DBIcf_IADESTROY) #define DBIc_IADESTROY_on(imp) (DBIc_FLAGS(imp) |= DBIcf_IADESTROY) #define DBIc_IADESTROY_off(imp) (DBIc_FLAGS(imp) &= ~DBIcf_IADESTROY) #define DBIc_AIADESTROY(imp) (DBIc_FLAGS(imp) & DBIcf_AIADESTROY) #define DBIc_AIADESTROY_on(imp) (DBIc_FLAGS(imp) |= DBIcf_AIADESTROY) #define DBIc_AIADESTROY_off(imp) (DBIc_FLAGS(imp) &= ~DBIcf_AIADESTROY) #define DBIc_WARN(imp) (DBIc_FLAGS(imp) & DBIcf_WARN) #define DBIc_WARN_on(imp) (DBIc_FLAGS(imp) |= DBIcf_WARN) #define DBIc_WARN_off(imp) (DBIc_FLAGS(imp) &= ~DBIcf_WARN) #define DBIc_COMPAT(imp) (DBIc_FLAGS(imp) & DBIcf_COMPAT) #define DBIc_COMPAT_on(imp) (DBIc_FLAGS(imp) |= DBIcf_COMPAT) #define DBIc_COMPAT_off(imp) (DBIc_FLAGS(imp) &= ~DBIcf_COMPAT) #ifdef IN_DBI_XS /* get Handle Common Data Structure */ #define DBIh_COM(h) (dbih_getcom2(aTHX_ h, 0)) #else #define DBIh_COM(h) (DBIS->getcom(h)) #define neatsvpv(sv,len) (DBIS->neat_svpv(sv,len)) #endif /* --- For sql_type_cast_svpv() --- */ #define DBIstcf_DISCARD_STRING 0x0001 #define DBIstcf_STRICT 0x0002 /* --- Implementors Private Data Support --- */ #define D_impdata(name,type,h) type *name = (type*)(DBIh_COM(h)) #define D_imp_drh(h) D_impdata(imp_drh, imp_drh_t, h) #define D_imp_dbh(h) D_impdata(imp_dbh, imp_dbh_t, h) #define D_imp_sth(h) D_impdata(imp_sth, imp_sth_t, h) #define D_imp_xxh(h) D_impdata(imp_xxh, imp_xxh_t, h) #define D_imp_from_child(name,type,child) \ type *name = (type*)(DBIc_PARENT_COM(child)) #define D_imp_drh_from_dbh D_imp_from_child(imp_drh, imp_drh_t, imp_dbh) #define D_imp_dbh_from_sth D_imp_from_child(imp_dbh, imp_dbh_t, imp_sth) #define DBI_IMP_SIZE(n,s) sv_setiv(get_sv((n), GV_ADDMULTI), (s)) /* XXX */ /* --- Event Support (VERY LIABLE TO CHANGE) --- */ #define DBIh_EVENTx(h,t,a1,a2) /* deprecated XXX */ &PL_sv_no #define DBIh_EVENT0(h,t) DBIh_EVENTx((h), (t), &PL_sv_undef, &PL_sv_undef) #define DBIh_EVENT1(h,t, a1) DBIh_EVENTx((h), (t), (a1), &PL_sv_undef) #define DBIh_EVENT2(h,t, a1,a2) DBIh_EVENTx((h), (t), (a1), (a2)) #define ERROR_event "ERROR" #define WARN_event "WARN" #define MSG_event "MESSAGE" #define DBEVENT_event "DBEVENT" #define UNKNOWN_event "UNKNOWN" #define DBIh_SET_ERR_SV(h,i, err, errstr, state, method) \ (DBIc_DBISTATE(i)->set_err_sv(h,i, err, errstr, state, method)) #define DBIh_SET_ERR_CHAR(h,i, err_c, err_i, errstr, state, method) \ (DBIc_DBISTATE(i)->set_err_char(h,i, err_c, err_i, errstr, state, method)) /* --- Handy Macros --- */ #define DBIh_CLEAR_ERROR(imp_xxh) (void)( \ (void)SvOK_off(DBIc_ERR(imp_xxh)), \ (void)SvOK_off(DBIc_ERRSTR(imp_xxh)), \ (void)SvOK_off(DBIc_STATE(imp_xxh)) \ ) /* --- DBI State Structure --- */ struct dbistate_st { /* DBISTATE_VERSION is checked at runtime via DBISTATE_INIT and check_version. * It should be incremented on incompatible changes to dbistate_t structure. * Additional function pointers being assigned from spare padding, where the * size of the structure doesn't change, doesn't require an increment. * Incrementing forces all XS drivers to need to be recompiled. * (See also DBIXS_REVISION as a driver source compatibility tool.) */ #define DBISTATE_VERSION 94 /* ++ on incompatible dbistate_t changes */ /* this must be the first member in structure */ void (*check_version) _((const char *name, int dbis_cv, int dbis_cs, int need_dbixs_cv, int drc_s, int dbc_s, int stc_s, int fdc_s)); /* version and size are used to check for DBI/DBD version mis-match */ U16 version; /* version of this structure */ U16 size; U16 xs_version; /* version of the overall DBIXS / DBD interface */ U16 spare_pad; I32 debug; PerlIO *logfp; /* pointers to DBI functions which the DBD's will want to use */ char * (*neat_svpv) _((SV *sv, STRLEN maxlen)); imp_xxh_t * (*getcom) _((SV *h)); /* see DBIh_COM macro */ void (*clearcom) _((imp_xxh_t *imp_xxh)); SV * (*event) _((SV *h, const char *name, SV*, SV*)); int (*set_attr_k) _((SV *h, SV *keysv, int dbikey, SV *valuesv)); SV * (*get_attr_k) _((SV *h, SV *keysv, int dbikey)); AV * (*get_fbav) _((imp_sth_t *imp_sth)); SV * (*make_fdsv) _((SV *sth, const char *imp_class, STRLEN imp_size, const char *col_name)); int (*bind_as_num) _((int sql_type, int p, int s, int *t, void *v)); /* XXX deprecated */ I32 (*hash) _((const char *string, long i)); SV * (*preparse) _((SV *sth, char *statement, IV ps_return, IV ps_accept, void *foo)); SV *neatsvpvlen; /* only show dbgpvlen chars when debugging pv's */ PerlInterpreter * thr_owner; /* thread that owns this dbistate */ int (*logmsg) _((imp_xxh_t *imp_xxh, const char *fmt, ...)); int (*set_err_sv) _((SV *h, imp_xxh_t *imp_xxh, SV *err, SV *errstr, SV *state, SV *method)); int (*set_err_char) _((SV *h, imp_xxh_t *imp_xxh, const char *err, IV err_i, const char *errstr, const char *state, const char *method)); int (*bind_col) _((SV *sth, SV *col, SV *ref, SV *attribs)); IO *logfp_ref; /* keep ptr to filehandle for refcounting */ int (*sql_type_cast_svpv) _((pTHX_ SV *sv, int sql_type, U32 flags, void *v)); /* WARNING: Only add new structure members here, and reduce pad2 to keep */ /* the memory footprint exactly the same */ void *pad2[3]; }; /* macros for backwards compatibility */ #define set_attr(h, k, v) set_attr_k(h, k, 0, v) #define get_attr(h, k) get_attr_k(h, k, 0) #define DBILOGFP (DBIS->logfp) #ifdef IN_DBI_XS #define DBILOGMSG (dbih_logmsg) #else #define DBILOGMSG (DBIS->logmsg) #endif /* --- perl object (ActiveState) / multiplicity hooks and hoops --- */ /* note that USE_ITHREADS implies MULTIPLICITY */ typedef dbistate_t** (*_dbi_state_lval_t)(pTHX); # define _DBISTATE_DECLARE_COMMON \ static _dbi_state_lval_t dbi_state_lval_p = 0; \ static dbistate_t** dbi_get_state(pTHX) { \ if (!dbi_state_lval_p) { \ CV *cv = get_cv("DBI::_dbi_state_lval", 0); \ if (!cv) \ croak("Unable to get DBI state function. DBI not loaded."); \ dbi_state_lval_p = (_dbi_state_lval_t)CvXSUB(cv); \ } \ return dbi_state_lval_p(aTHX); \ } \ typedef int dummy_dbistate /* keep semicolon from feeling lonely */ #if defined(MULTIPLICITY) || defined(PERL_OBJECT) || defined(PERL_CAPI) # define DBISTATE_DECLARE _DBISTATE_DECLARE_COMMON # define _DBISTATE_INIT_DBIS # undef DBIS # define DBIS (*dbi_get_state(aTHX)) # define dbis DBIS /* temp for old drivers using 'dbis' instead of 'DBIS' */ #else /* plain and simple non perl object / multiplicity case */ # define DBISTATE_DECLARE \ static dbistate_t *DBIS; \ _DBISTATE_DECLARE_COMMON # define _DBISTATE_INIT_DBIS DBIS = *dbi_get_state(aTHX); #endif # define DBISTATE_INIT { /* typically use in BOOT: of XS file */ \ _DBISTATE_INIT_DBIS \ if (DBIS == NULL) \ croak("Unable to get DBI state. DBI not loaded."); \ DBIS->check_version(__FILE__, DBISTATE_VERSION, sizeof(*DBIS), NEED_DBIXS_VERSION, \ sizeof(dbih_drc_t), sizeof(dbih_dbc_t), sizeof(dbih_stc_t), sizeof(dbih_fdc_t) \ ); \ } /* --- Assorted Utility Macros --- */ #define DBD_ATTRIB_OK(attribs) /* is this a usable attrib value */ \ (attribs && SvROK(attribs) && SvTYPE(SvRV(attribs))==SVt_PVHV) /* If attribs value supplied then croak if it's not a hash ref. */ /* Also map undef to Null. Should always be called to pre-process the */ /* attribs value. One day we may add some extra magic in here. */ #define DBD_ATTRIBS_CHECK(func, h, attribs) \ if ((attribs) && SvOK(attribs)) { \ if (!SvROK(attribs) || SvTYPE(SvRV(attribs))!=SVt_PVHV) \ croak("%s->%s(...): attribute parameter '%s' is not a hash ref", \ SvPV_nolen(h), func, SvPV_nolen(attribs)); \ } else (attribs) = Nullsv #define DBD_ATTRIB_GET_SVP(attribs, key,klen) \ (DBD_ATTRIB_OK(attribs) \ ? hv_fetch((HV*)SvRV(attribs), key,klen, 0) \ : (SV **)Nullsv) #define DBD_ATTRIB_GET_IV(attribs, key,klen, svp, var) \ if ((svp=DBD_ATTRIB_GET_SVP(attribs, key,klen)) != NULL) \ var = SvIV(*svp) #define DBD_ATTRIB_GET_UV(attribs, key,klen, svp, var) \ if ((svp=DBD_ATTRIB_GET_SVP(attribs, key,klen)) != NULL) \ var = SvUV(*svp) #define DBD_ATTRIB_GET_BOOL(attribs, key,klen, svp, var) \ if ((svp=DBD_ATTRIB_GET_SVP(attribs, key,klen)) != NULL) \ var = SvTRUE(*svp) #define DBD_ATTRIB_TRUE(attribs, key,klen, svp) \ ( ((svp=DBD_ATTRIB_GET_SVP(attribs, key,klen)) != NULL) \ ? SvTRUE(*svp) : 0 ) #define DBD_ATTRIB_GET_PV(attribs, key,klen, svp, dflt) \ (((svp=DBD_ATTRIB_GET_SVP(attribs, key,klen)) != NULL) \ ? SvPV_nolen(*svp) : (dflt)) #define DBD_ATTRIB_DELETE(attribs, key, klen) \ hv_delete((HV*)SvRV(attribs), key, klen, G_DISCARD) #endif /* DBIXS_VERSION */ /* end of DBIXS.h */
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