53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
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/* dbivport.h
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Provides macros that enable greater portability between DBI versions.
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This file should be *copied* and included in driver distributions
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and #included into the source, after #include DBIXS.h
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New driver releases should include an updated copy of dbivport.h
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from the most recent DBI release.
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*/
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#ifndef DBI_VPORT_H
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#define DBI_VPORT_H
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#ifndef DBIh_SET_ERR_CHAR
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/* Emulate DBIh_SET_ERR_CHAR
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Only uses the err_i, errstr and state parameters.
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*/
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#define DBIh_SET_ERR_CHAR(h, imp_xxh, err_c, err_i, errstr, state, method) \
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sv_setiv(DBIc_ERR(imp_xxh), err_i); \
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(state) ? (void)sv_setpv(DBIc_STATE(imp_xxh), state) : (void)SvOK_off(DBIc_STATE(imp_xxh)); \
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sv_setpv(DBIc_ERRSTR(imp_xxh), errstr)
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#endif
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#ifndef DBIcf_Executed
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#define DBIcf_Executed 0x080000
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#endif
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#ifndef DBIc_TRACE_LEVEL_MASK
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#define DBIc_TRACE_LEVEL_MASK 0x0000000F
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#define DBIc_TRACE_FLAGS_MASK 0xFFFFFF00
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#define DBIc_TRACE_SETTINGS(imp) (DBIc_DBISTATE(imp)->debug)
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#define DBIc_TRACE_LEVEL(imp) (DBIc_TRACE_SETTINGS(imp) & DBIc_TRACE_LEVEL_MASK)
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#define DBIc_TRACE_FLAGS(imp) (DBIc_TRACE_SETTINGS(imp) & DBIc_TRACE_FLAGS_MASK)
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/* DBIc_TRACE_MATCHES - true if s1 'matches' s2 (c.f. trace_msg())
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DBIc_TRACE_MATCHES(foo, DBIc_TRACE_SETTINGS(imp))
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*/
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#define DBIc_TRACE_MATCHES(s1, s2) \
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( ((s1 & DBIc_TRACE_LEVEL_MASK) >= (s2 & DBIc_TRACE_LEVEL_MASK)) \
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|| ((s1 & DBIc_TRACE_FLAGS_MASK) & (s2 & DBIc_TRACE_FLAGS_MASK)) )
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/* DBIc_TRACE - true if flags match & DBI level>=flaglevel, or if DBI level>level
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DBIc_TRACE(imp, 0, 0, 4) = if level >= 4
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DBIc_TRACE(imp, DBDtf_FOO, 2, 4) = if tracing DBDtf_FOO & level>=2 or level>=4
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DBIc_TRACE(imp, DBDtf_FOO, 2, 0) = as above but never trace just due to level
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*/
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#define DBIc_TRACE(imp, flags, flaglevel, level) \
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( (flags && (DBIc_TRACE_FLAGS(imp) & flags) && (DBIc_TRACE_LEVEL(imp) >= flaglevel)) \
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|| (level && DBIc_TRACE_LEVEL(imp) >= level) )
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#endif
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#endif /* !DBI_VPORT_H */
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