;;; libgdbm.scm ;;; ;;; tie libgdbm into s7 (require cload.scm) (provide 'libgdbm.scm) ;; if loading from a different directory, pass that info to C (let ((directory (let ((current-file (port-filename))) (and (memv (current-file 0) '(#\/ #\~)) (substring current-file 0 (- (length current-file) 9)))))) (when (and directory (not (member directory *load-path*))) (set! *load-path* (cons directory *load-path*))) (with-let (rootlet) (require cload.scm)) (when (and directory (not (string-position directory *cload-cflags*))) (set! *cload-cflags* (string-append "-I" directory " " *cload-cflags*)))) (if (not (defined? '*libgdbm*)) (define *libgdbm* (with-let (sublet (unlet)) (set! *libraries* (cons (cons "libgdbm.scm" (curlet)) *libraries*)) (set! *cload-library-name* "*libgdbm*") (c-define '((C-macro (int (GDBM_READER GDBM_WRITER GDBM_WRCREAT GDBM_NEWDB GDBM_FAST GDBM_SYNC GDBM_NOLOCK GDBM_INSERT GDBM_REPLACE GDBM_CACHESIZE GDBM_FASTMODE GDBM_SYNCMODE GDBM_CENTFREE GDBM_COALESCEBLKS GDBM_OPENMASK GDBM_NOMMAP GDBM_CLOEXEC GDBM_SETCACHESIZE GDBM_SETSYNCMODE GDBM_SETCENTFREE GDBM_SETCOALESCEBLKS GDBM_SETMAXMAPSIZE GDBM_SETMMAP GDBM_GETFLAGS GDBM_GETMMAP GDBM_GETCACHESIZE GDBM_GETSYNCMODE GDBM_GETCENTFREE GDBM_GETCOALESCEBLKS GDBM_GETMAXMAPSIZE GDBM_GETDBNAME))) (C-macro (int (GDBM_VERSION_MAJOR GDBM_VERSION_MINOR GDBM_VERSION_PATCH))) (C-macro (int (GDBM_NO_ERROR GDBM_MALLOC_ERROR GDBM_BLOCK_SIZE_ERROR GDBM_FILE_OPEN_ERROR GDBM_FILE_WRITE_ERROR GDBM_FILE_SEEK_ERROR GDBM_FILE_READ_ERROR GDBM_BAD_MAGIC_NUMBER GDBM_EMPTY_DATABASE GDBM_CANT_BE_READER GDBM_CANT_BE_WRITER GDBM_READER_CANT_DELETE GDBM_READER_CANT_STORE GDBM_READER_CANT_REORGANIZE GDBM_ITEM_NOT_FOUND GDBM_REORGANIZE_FAILED GDBM_CANNOT_REPLACE GDBM_ILLEGAL_DATA GDBM_OPT_ALREADY_SET GDBM_OPT_ILLEGAL GDBM_BYTE_SWAPPED GDBM_BAD_FILE_OFFSET GDBM_BAD_OPEN_FLAGS GDBM_FILE_STAT_ERROR GDBM_FILE_EOF))) (in-C "static s7_pointer g_gdbm_version(s7_scheme *sc, s7_pointer args) {return(s7_make_string(sc, gdbm_version));}") (C-function ("gdbm_version" g_gdbm_version "(gdbm_version) returns the current gbdm version" 0)) (in-C "static s7_pointer g_gdbm_errno(s7_scheme *sc, s7_pointer args) {return(s7_make_integer(sc, gdbm_errno));}") (C-function ("gdbm_errno" g_gdbm_errno "(gdbm_errno) returns the current gdbm error number" 0)) (char* gdbm_strerror (int)) (int gdbm_fdesc ((GDBM_FILE c_pointer))) (int gdbm_reorganize ((GDBM_FILE c_pointer))) (void gdbm_close ((GDBM_FILE c_pointer))) (void gdbm_sync ((GDBM_FILE c_pointer))) ;(int gdbm_export ((GDBM_FILE c_pointer) char* int int)) ;(int gdbm_import ((GDBM_FILE c_pointer) char* int)) (in-C " static void *make_datum(datum key) {datum *p; p = (datum *)malloc(sizeof(datum)); p->dptr = key.dptr; p->dsize = key.dsize; return((void *)p);} static s7_pointer g_gdbm_firstkey(s7_scheme *sc, s7_pointer args) { if (s7_is_c_pointer(s7_car(args))) { datum key; key = gdbm_firstkey((GDBM_FILE)s7_c_pointer_with_type(sc, s7_car(args), s7_make_symbol(sc, \"GDBM_FILE\"), __func__, 0)); if (key.dptr) return(s7_cons(sc, s7_make_string_with_length(sc, key.dptr, key.dsize), s7_make_c_pointer_with_type(sc, make_datum(key), s7_make_symbol(sc, \"datum*\"), s7_f(sc)))); return(s7_eof_object(sc)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'firstkey)\", 21), 0, s7_car(args), s7_make_string_wrapper_with_length(sc, \"a gdbm file\", 11))); } static s7_pointer g_gdbm_nextkey(s7_scheme *sc, s7_pointer args) { if (s7_is_c_pointer(s7_car(args))) { if (s7_is_c_pointer(s7_cadr(args))) { datum *p; datum key, rtn; p = (datum *)s7_c_pointer_with_type(sc, s7_cadr(args), s7_make_symbol(sc, \"datum*\"), __func__, 2); key.dptr = p->dptr; key.dsize = p->dsize; rtn = gdbm_nextkey((GDBM_FILE)s7_c_pointer_with_type(sc, s7_car(args), s7_make_symbol(sc, \"GDBM_FILE\"), __func__, 0), key); free(key.dptr); free(p); if (rtn.dptr) return(s7_cons(sc, s7_make_string_with_length(sc, rtn.dptr, rtn.dsize), s7_make_c_pointer_with_type(sc, make_datum(rtn), s7_make_symbol(sc, \"datum*\"), s7_f(sc)))); return(s7_eof_object(sc)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'nextkey)\", 20), 2, s7_cadr(args), string_string)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'nextkey)\", 20), 1, s7_car(args), s7_make_string_wrapper_with_length(sc, \"a gdbm file\", 11))); } static s7_pointer g_gdbm_exists(s7_scheme *sc, s7_pointer args) { if (s7_is_c_pointer(s7_car(args))) { if (s7_is_string(s7_cadr(args))) { datum key; key.dptr = (char *)s7_string(s7_cadr(args)); key.dsize = (int)s7_string_length(s7_cadr(args)); return(s7_make_integer(sc, gdbm_exists((GDBM_FILE)s7_c_pointer_with_type(sc, s7_car(args), s7_make_symbol(sc, \"GDBM_FILE\"), __func__, 0), key))); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'exists)\", 19), 2, s7_cadr(args), string_string)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'exists)\", 19), 1, s7_car(args), s7_make_string_wrapper_with_length(sc, \"a gdbm file\", 11))); } static s7_pointer g_gdbm_delete(s7_scheme *sc, s7_pointer args) { if (s7_is_c_pointer(s7_car(args))) { if (s7_is_string(s7_cadr(args))) { datum key; key.dptr = (char *)s7_string(s7_cadr(args)); key.dsize = (int)s7_string_length(s7_cadr(args)); return(s7_make_integer(sc, gdbm_delete((GDBM_FILE)s7_c_pointer_with_type(sc, s7_car(args), s7_make_symbol(sc, \"GDBM_FILE\"), __func__, 0), key))); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'delete)\", 19), 2, s7_cadr(args), string_string)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'delete)\", 19), 1, s7_car(args), s7_make_string_wrapper_with_length(sc, \"a gdbm file\", 11))); } static s7_pointer g_gdbm_fetch(s7_scheme *sc, s7_pointer args) { if (s7_is_c_pointer(s7_car(args))) { if (s7_is_string(s7_cadr(args))) { datum key, rtn; key.dptr = (char *)s7_string(s7_cadr(args)); key.dsize = (int)s7_string_length(s7_cadr(args)); rtn = gdbm_fetch((GDBM_FILE)s7_c_pointer_with_type(sc, s7_car(args), s7_make_symbol(sc, \"GDBM_FILE\"), __func__, 0), key); if (rtn.dptr) { s7_pointer result; result = s7_make_string_with_length(sc, rtn.dptr, rtn.dsize - 1); free(rtn.dptr); return(result); } else return(s7_make_string_with_length(sc, \"#\", 12)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'fetch)\", 18), 2, s7_cadr(args), string_string)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'fetch)\", 18), 1, s7_car(args), s7_make_string_wrapper_with_length(sc, \"a gdbm file\", 11))); } static s7_pointer g_gdbm_store(s7_scheme *sc, s7_pointer args) { if (s7_is_c_pointer(s7_car(args))) { if (s7_is_string(s7_cadr(args))) { if (s7_is_string(s7_caddr(args))) { if (s7_is_integer(s7_cadddr(args))) { datum key, val; key.dptr = (char *)s7_string(s7_cadr(args)); key.dsize = (int)s7_string_length(s7_cadr(args)); val.dptr = (char *)s7_string(s7_caddr(args)); val.dsize = (int)s7_string_length(s7_caddr(args)) + 1; return(s7_make_integer(sc, gdbm_store((GDBM_FILE)s7_c_pointer_with_type(sc, s7_car(args), s7_make_symbol(sc, \"GDBM_FILE\"), __func__, 1), key, val, (int)s7_integer(s7_cadddr(args))))); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'store)\", 18), 4, s7_cadddr(args), s7_make_string_wrapper_with_length(sc, \"an integer (flag)\", 17))); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'store)\", 18), 3, s7_caddr(args), string_string)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'store)\", 18), 2, s7_cadr(args), string_string)); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'store)\", 18), 1, s7_car(args), s7_make_string_wrapper_with_length(sc, \"a gdbm file\", 11))); } static s7_pointer open_error_func = NULL; static s7_scheme *open_error_s7 = NULL; static void gdbm_open_error(const char *name) { if (open_error_func) s7_apply_function(open_error_s7, open_error_func, s7_list(open_error_s7, 1, s7_make_string(open_error_s7, name))); } static s7_pointer g_gdbm_open(s7_scheme *sc, s7_pointer args) { if (s7_is_string(s7_car(args))) { char *name; name = (char *)s7_string(s7_car(args)); args = s7_cdr(args); if (s7_is_integer(s7_car(args))) { int block_size; block_size = (int)s7_integer(s7_car(args)); args = s7_cdr(args); if (s7_is_integer(s7_car(args))) { int flags; flags = (int)s7_integer(s7_car(args)); args = s7_cdr(args); if (s7_is_integer(s7_car(args))) { int mode; mode = (int)s7_integer(s7_car(args)); if (s7_is_procedure(s7_cadr(args))) { open_error_func = s7_cadr(args); open_error_s7 = sc; } else { open_error_func = NULL; open_error_s7 = NULL; } return(s7_make_c_pointer_with_type(sc, (void *)gdbm_open(name, block_size, flags, mode, gdbm_open_error), s7_make_symbol(sc, \"GDBM_FILE\"), s7_f(sc))); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'open)\", 17), 4, s7_car(args), s7_make_string_wrapper_with_length(sc, \"an integer (mode)\", 17))); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'open)\", 17), 3, s7_car(args), s7_make_string_wrapper_with_length(sc, \"an integer (flags)\", 18))); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'open)\", 17), 2, s7_car(args), s7_make_string_wrapper_with_length(sc, \"an integer (block_size)\", 23))); } return(s7_wrong_type_error(sc, s7_make_string_wrapper_with_length(sc, \"(*libgdbm* 'open)\", 17), 1, s7_car(args), string_string)); } ") (C-function ("gdbm_firstkey" g_gdbm_firstkey "(gdbm_firstkey gdbm)" 1)) (C-function ("gdbm_exists" g_gdbm_exists "(gdbm_exists gdbm key)" 2)) (C-function ("gdbm_delete" g_gdbm_delete "(gdbm_delete gdbm key)" 2)) (C-function ("gdbm_nextkey" g_gdbm_nextkey "(gdbm_nextkey gdbm prev)" 2)) (C-function ("gdbm_fetch" g_gdbm_fetch "(gdbm_fetch gdbm key)" 2)) (C-function ("gdbm_store" g_gdbm_store "(gdbm_store gdbm key context flag)" 4)) (C-function ("gdbm_open" g_gdbm_open "(gdbm_open filename size flags mode func) opens a gdbm data base" 5)) ) "" "gdbm.h" "" "-lgdbm" "libgdbm_s7") (curlet)))) *libgdbm* ;;; extern int gdbm_setopt (GDBM_FILE, int, void *, int) ;;; this is a huge mess #| (define gfile ((*libgdbm* 'gdbm_open) "test.gdbm" 1024 (*libgdbm* 'GDBM_NEWDB) #o664 (lambda (str) (format *stderr* "str: ~S~%" str)))) ((*libgdbm* 'gdbm_store) gfile "1" "1234" (*libgdbm* 'GDBM_REPLACE)) ((*libgdbm* 'gdbm_fetch) gfile "1") ((*libgdbm* 'gdbm_close) gfile) |#