Eviscerate README.macos to match the state of the world

[p5sagit/p5-mst-13.2.git] / ext / NDBM_File / NDBM_File.xs

diff --git a/ext/NDBM_File/NDBM_File.xs b/ext/NDBM_File/NDBM_File.xs
index 78a56cb..aa769ec 100644 (file)
--- a/ext/NDBM_File/NDBM_File.xs
+++ b/ext/NDBM_File/NDBM_File.xs
@@ -1,12 +1,29 @@
 #include "EXTERN.h"
 #include "perl.h"
 #include "XSUB.h"
-/* If using the DB3 emulation, ENTER is defined both
- * by DB3 and Perl.  We drop the Perl definition now.
- * See also INSTALL section on DB3.
- * -- Stanislav Brabec <utx@penguin.cz> */
-#undef ENTER
-#include <ndbm.h>
+#undef NDBM_HEADER_USES_PROTOTYPES
+#if defined(I_GDBM_NDBM)
+#  ifdef GDBM_NDBM_H_USES_PROTOTYPES
+#    define NDBM_HEADER_USES_PROTOTYPES
+START_EXTERN_C
+#  endif
+#  include <gdbm-ndbm.h> /* Debian compatibility version */
+#elif defined(I_GDBMNDBM)
+#  ifdef GDBMNDBM_H_USES_PROTOTYPES
+#    define NDBM_HEADER_USES_PROTOTYPES
+START_EXTERN_C
+#  endif
+#  include <gdbm/ndbm.h> /* RedHat compatibility version */
+#elif defined(I_NDBM)
+#  ifdef NDBM_H_USES_PROTOTYPES
+#    define NDBM_HEADER_USES_PROTOTYPES
+START_EXTERN_C
+#  endif
+#  include <ndbm.h>
+#endif
+#ifdef NDBM_HEADER_USES_PROTOTYPES
+END_EXTERN_C
+#endif
 
 typedef struct {
        DBM *   dbp ;
@@ -21,24 +38,19 @@ typedef NDBM_File_type * NDBM_File ;
 typedef datum datum_key ;
 typedef datum datum_value ;
 
-#define ckFilter(arg,type,name)                                        \
-       if (db->type) {                                         \
-           SV * save_defsv ;                                   \
-            /* printf("filtering %s\n", name) ;*/              \
-           if (db->filtering)                                  \
-               croak("recursion detected in %s", name) ;       \
-           db->filtering = TRUE ;                              \
-           save_defsv = newSVsv(DEFSV) ;                       \
-           sv_setsv(DEFSV, arg) ;                              \
-           PUSHMARK(sp) ;                                      \
-           (void) perl_call_sv(db->type, G_DISCARD|G_NOARGS);  \
-           sv_setsv(arg, DEFSV) ;                              \
-           sv_setsv(DEFSV, save_defsv) ;                       \
-           SvREFCNT_dec(save_defsv) ;                          \
-           db->filtering = FALSE ;                             \
-           /*printf("end of filtering %s\n", name) ;*/         \
-       }
 
+#if defined(__cplusplus) && !defined(NDBM_HEADER_USES_PROTOTYPES)
+/* gdbm's header file used for compatibility with gdbm */
+/* isn't compatible to C++ syntax, so we need these */
+/* declarations to make everyone happy. */
+EXTERN_C DBM *dbm_open(const char *, int, mode_t);
+EXTERN_C void dbm_close(DBM *);
+EXTERN_C datum dbm_fetch(DBM *, datum);
+EXTERN_C int dbm_store(DBM *, datum, datum, int);
+EXTERN_C int dbm_delete(DBM *, datum);
+EXTERN_C datum dbm_firstkey(DBM *);
+EXTERN_C datum dbm_nextkey(DBM *);
+#endif
 
 MODULE = NDBM_File     PACKAGE = NDBM_File     PREFIX = ndbm_
 
@@ -120,32 +132,13 @@ ndbm_clearerr(db)
        NDBM_File       db
 
 
-#define setFilter(type)                                        \
-       {                                               \
-           if (db->type)                               \
-               RETVAL = sv_mortalcopy(db->type) ;      \
-           ST(0) = RETVAL ;                            \
-           if (db->type && (code == &PL_sv_undef)) {   \
-                SvREFCNT_dec(db->type) ;               \
-               db->type = NULL ;                       \
-           }                                           \
-           else if (code) {                            \
-               if (db->type)                           \
-                   sv_setsv(db->type, code) ;          \
-               else                                    \
-                   db->type = newSVsv(code) ;          \
-           }                                           \
-       }
-
-
-
 SV *
 filter_fetch_key(db, code)
        NDBM_File       db
        SV *            code
        SV *            RETVAL = &PL_sv_undef ;
        CODE:
-           setFilter(filter_fetch_key) ;
+           DBM_setFilter(db->filter_fetch_key, code) ;
 
 SV *
 filter_store_key(db, code)
@@ -153,7 +146,7 @@ filter_store_key(db, code)
        SV *            code
        SV *            RETVAL =  &PL_sv_undef ;
        CODE:
-           setFilter(filter_store_key) ;
+           DBM_setFilter(db->filter_store_key, code) ;
 
 SV *
 filter_fetch_value(db, code)
@@ -161,7 +154,7 @@ filter_fetch_value(db, code)
        SV *            code
        SV *            RETVAL =  &PL_sv_undef ;
        CODE:
-           setFilter(filter_fetch_value) ;
+           DBM_setFilter(db->filter_fetch_value, code) ;
 
 SV *
 filter_store_value(db, code)
@@ -169,5 +162,5 @@ filter_store_value(db, code)
        SV *            code
        SV *            RETVAL =  &PL_sv_undef ;
        CODE:
-           setFilter(filter_store_value) ;
+           DBM_setFilter(db->filter_store_value, code) ;