diff options
Diffstat (limited to 'dbivport.h')
| -rw-r--r-- | dbivport.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/dbivport.h b/dbivport.h new file mode 100644 index 0000000..77dd96b --- /dev/null +++ b/dbivport.h @@ -0,0 +1,52 @@ +/* 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); \ + (state) ? (void)sv_setpv(DBIc_STATE(imp_xxh), state) : (void)SvOK_off(DBIc_STATE(imp_xxh)); \ + sv_setpv(DBIc_ERRSTR(imp_xxh), errstr) +#endif + +#ifndef DBIcf_Executed +#define DBIcf_Executed 0x080000 +#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 */ |