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