summaryrefslogtreecommitdiff
path: root/ext/sdbm/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/sdbm/init.c')
-rw-r--r--ext/sdbm/init.c583
1 files changed, 0 insertions, 583 deletions
diff --git a/ext/sdbm/init.c b/ext/sdbm/init.c
deleted file mode 100644
index adb1e851f7..0000000000
--- a/ext/sdbm/init.c
+++ /dev/null
@@ -1,583 +0,0 @@
-/************************************************
-
- sdbminit.c -
-
- $Author$
- $Date$
- created at: Fri May 7 08:34:24 JST 1999
-
- Copyright (C) 1995-1998 Yukihiro Matsumoto
-
-************************************************/
-
-#include "ruby.h"
-
-#include "sdbm.h"
-#include <fcntl.h>
-#include <errno.h>
-#ifdef USE_CWGUSI
-# include <sys/errno.h>
-#endif
-
-VALUE cSDBM;
-
-struct dbmdata {
- int di_size;
- DBM *di_dbm;
-};
-
-static void
-closed_sdbm()
-{
- rb_raise(rb_eRuntimeError, "closed SDBM file");
-}
-
-#define GetDBM(obj, dbmp) {\
- Data_Get_Struct(obj, struct dbmdata, dbmp);\
- if (dbmp->di_dbm == 0) closed_sdbm();\
-}
-
-static void
-free_sdbm(dbmp)
- struct dbmdata *dbmp;
-{
-
- if (dbmp->di_dbm) sdbm_close(dbmp->di_dbm);
- free(dbmp);
-}
-
-static VALUE
-fsdbm_s_open(argc, argv, klass)
- int argc;
- VALUE *argv;
- VALUE klass;
-{
- VALUE file, vmode;
- DBM *dbm;
- struct dbmdata *dbmp;
- int mode;
- VALUE obj;
-
- if (rb_scan_args(argc, argv, "11", &file, &vmode) == 1) {
- mode = 0666; /* default value */
- }
- else if (NIL_P(vmode)) {
- mode = -1; /* return nil if DB not exist */
- }
- else {
- mode = NUM2INT(vmode);
- }
- Check_SafeStr(file);
-
- dbm = 0;
- if (mode >= 0)
- dbm = sdbm_open(RSTRING(file)->ptr, O_RDWR|O_CREAT, mode);
- if (!dbm)
- dbm = sdbm_open(RSTRING(file)->ptr, O_RDWR, mode);
- if (!dbm)
- dbm = sdbm_open(RSTRING(file)->ptr, O_RDONLY, mode);
-
- if (!dbm) {
- if (mode == -1) return Qnil;
- rb_sys_fail(RSTRING(file)->ptr);
- }
-
- obj = Data_Make_Struct(klass,struct dbmdata,0,free_sdbm,dbmp);
- dbmp->di_dbm = dbm;
- dbmp->di_size = -1;
-
- return obj;
-}
-
-static VALUE
-fsdbm_close(obj)
- VALUE obj;
-{
- struct dbmdata *dbmp;
-
- GetDBM(obj, dbmp);
- sdbm_close(dbmp->di_dbm);
- dbmp->di_dbm = 0;
-
- return Qnil;
-}
-
-static VALUE
-fsdbm_fetch(obj, keystr)
- VALUE obj, keystr;
-{
- datum key, value;
- struct dbmdata *dbmp;
- DBM *dbm;
-
- Check_Type(keystr, T_STRING);
- key.dptr = RSTRING(keystr)->ptr;
- key.dsize = RSTRING(keystr)->len;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
- value = sdbm_fetch(dbm, key);
- if (value.dptr == 0) {
- return Qnil;
- }
- return rb_tainted_str_new(value.dptr, value.dsize);
-}
-
-static VALUE
-fsdbm_indexes(argc, argv, obj)
- int argc;
- VALUE *argv;
- VALUE obj;
-{
- VALUE new;
- int i;
-
- new = rb_ary_new2(argc);
- for (i=0; i<argc; i++) {
- rb_ary_push(new, fsdbm_fetch(obj, argv[i]));
- }
-
- return new;
-}
-
-static VALUE
-fsdbm_delete(obj, keystr)
- VALUE obj, keystr;
-{
- datum key, value;
- struct dbmdata *dbmp;
- DBM *dbm;
-
- rb_secure(4);
- Check_Type(keystr, T_STRING);
- key.dptr = RSTRING(keystr)->ptr;
- key.dsize = RSTRING(keystr)->len;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
-
- value = sdbm_fetch(dbm, key);
- if (value.dptr == 0) {
- if (rb_iterator_p()) rb_yield(keystr);
- return Qnil;
- }
-
- if (sdbm_delete(dbm, key)) {
- dbmp->di_size = -1;
- rb_raise(rb_eRuntimeError, "dbm_delete failed");
- }
- else if (dbmp->di_size >= 0) {
- dbmp->di_size--;
- }
- return obj;
-}
-
-static VALUE
-fsdbm_shift(obj)
- VALUE obj;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
- VALUE keystr, valstr;
-
- rb_secure(4);
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
-
- key = sdbm_firstkey(dbm);
- if (!key.dptr) return Qnil;
- val = sdbm_fetch(dbm, key);
- sdbm_delete(dbm, key);
-
- keystr = rb_tainted_str_new(key.dptr, key.dsize);
- valstr = rb_tainted_str_new(val.dptr, val.dsize);
- return rb_assoc_new(keystr, valstr);
-}
-
-static VALUE
-fsdbm_delete_if(obj)
- VALUE obj;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
- VALUE keystr, valstr;
-
- rb_secure(4);
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- val = sdbm_fetch(dbm, key);
- keystr = rb_tainted_str_new(key.dptr, key.dsize);
- valstr = rb_tainted_str_new(val.dptr, val.dsize);
- if (RTEST(rb_yield(rb_assoc_new(keystr, valstr)))) {
- if (sdbm_delete(dbm, key)) {
- rb_raise(rb_eRuntimeError, "sdbm_delete failed");
- }
- }
- }
- return obj;
-}
-
-static VALUE
-fsdbm_clear(obj)
- VALUE obj;
-{
- datum key;
- struct dbmdata *dbmp;
- DBM *dbm;
-
- rb_secure(4);
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
- dbmp->di_size = -1;
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- if (sdbm_delete(dbm, key)) {
- rb_raise(rb_eRuntimeError, "sdbm_delete failed");
- }
- }
- return obj;
-}
-
-static VALUE
-fsdbm_invert(obj)
- VALUE obj;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
- VALUE keystr, valstr;
- VALUE hash = rb_hash_new();
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- val = sdbm_fetch(dbm, key);
- keystr = rb_tainted_str_new(key.dptr, key.dsize);
- valstr = rb_tainted_str_new(val.dptr, val.dsize);
- rb_hash_aset(hash, valstr, keystr);
- }
- return obj;
-}
-
-static VALUE
-each_pair(obj)
- VALUE obj;
-{
- return rb_funcall(obj, rb_intern("each_pair"), 0, 0);
-}
-
-static VALUE fsdbm_store _((VALUE,VALUE,VALUE));
-
-static VALUE
-update_i(pair, dbm)
- VALUE pair, dbm;
-{
- Check_Type(pair, T_ARRAY);
- if (RARRAY(pair)->len < 2) {
- rb_raise(rb_eArgError, "pair must be [key, value]");
- }
- fsdbm_store(dbm, RARRAY(pair)->ptr[0], RARRAY(pair)->ptr[1]);
- return Qnil;
-}
-
-static VALUE
-fsdbm_update(obj, other)
- VALUE obj, other;
-{
- rb_iterate(each_pair, other, update_i, obj);
- return obj;
-}
-
-static VALUE
-fsdbm_replace(obj, other)
- VALUE obj, other;
-{
- fsdbm_clear(obj);
- rb_iterate(each_pair, other, update_i, obj);
- return obj;
-}
-
-static VALUE
-fsdbm_store(obj, keystr, valstr)
- VALUE obj, keystr, valstr;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
-
- if (valstr == Qnil) {
- fsdbm_delete(obj, keystr);
- return Qnil;
- }
-
- rb_secure(4);
- keystr = rb_obj_as_string(keystr);
-
- key.dptr = RSTRING(keystr)->ptr;
- key.dsize = RSTRING(keystr)->len;
-
- if (NIL_P(valstr)) return fsdbm_delete(obj, keystr);
-
- valstr = rb_obj_as_string(valstr);
- val.dptr = RSTRING(valstr)->ptr;
- val.dsize = RSTRING(valstr)->len;
-
- GetDBM(obj, dbmp);
- dbmp->di_size = -1;
- dbm = dbmp->di_dbm;
- if (sdbm_store(dbm, key, val, DBM_REPLACE)) {
-#ifdef HAVE_DBM_CLAERERR
- sdbm_clearerr(dbm);
-#endif
- if (errno == EPERM) rb_sys_fail(0);
- rb_raise(rb_eRuntimeError, "sdbm_store failed");
- }
-
- return valstr;
-}
-
-static VALUE
-fsdbm_length(obj)
- VALUE obj;
-{
- datum key;
- struct dbmdata *dbmp;
- DBM *dbm;
- int i = 0;
-
- GetDBM(obj, dbmp);
- if (dbmp->di_size > 0) return INT2FIX(dbmp->di_size);
- dbm = dbmp->di_dbm;
-
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- i++;
- }
- dbmp->di_size = i;
-
- return INT2FIX(i);
-}
-
-static VALUE
-fsdbm_empty_p(obj)
- VALUE obj;
-{
- datum key;
- struct dbmdata *dbmp;
- DBM *dbm;
- int i = 0;
-
- GetDBM(obj, dbmp);
- if (dbmp->di_size < 0) {
- dbm = dbmp->di_dbm;
-
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- i++;
- }
- }
- else {
- i = dbmp->di_size;
- }
- if (i == 0) return Qtrue;
- return Qfalse;
-}
-
-static VALUE
-fsdbm_each_value(obj)
- VALUE obj;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- val = sdbm_fetch(dbm, key);
- rb_yield(rb_tainted_str_new(val.dptr, val.dsize));
- }
- return obj;
-}
-
-static VALUE
-fsdbm_each_key(obj)
- VALUE obj;
-{
- datum key;
- struct dbmdata *dbmp;
- DBM *dbm;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- rb_yield(rb_tainted_str_new(key.dptr, key.dsize));
- }
- return obj;
-}
-
-static VALUE
-fsdbm_each_pair(obj)
- VALUE obj;
-{
- datum key, val;
- DBM *dbm;
- struct dbmdata *dbmp;
- VALUE keystr, valstr;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
-
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- val = sdbm_fetch(dbm, key);
- keystr = rb_tainted_str_new(key.dptr, key.dsize);
- valstr = rb_tainted_str_new(val.dptr, val.dsize);
- rb_yield(rb_assoc_new(keystr, valstr));
- }
-
- return obj;
-}
-
-static VALUE
-fsdbm_keys(obj)
- VALUE obj;
-{
- datum key;
- struct dbmdata *dbmp;
- DBM *dbm;
- VALUE ary;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
-
- ary = rb_ary_new();
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- rb_ary_push(ary, rb_tainted_str_new(key.dptr, key.dsize));
- }
-
- return ary;
-}
-
-static VALUE
-fsdbm_values(obj)
- VALUE obj;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
- VALUE ary;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
-
- ary = rb_ary_new();
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- val = sdbm_fetch(dbm, key);
- rb_ary_push(ary, rb_tainted_str_new(val.dptr, val.dsize));
- }
-
- return ary;
-}
-
-static VALUE
-fsdbm_has_key(obj, keystr)
- VALUE obj, keystr;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
-
- Check_Type(keystr, T_STRING);
- key.dptr = RSTRING(keystr)->ptr;
- key.dsize = RSTRING(keystr)->len;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
- val = sdbm_fetch(dbm, key);
- if (val.dptr) return Qtrue;
- return Qfalse;
-}
-
-static VALUE
-fsdbm_has_value(obj, valstr)
- VALUE obj, valstr;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
-
- Check_Type(valstr, T_STRING);
- val.dptr = RSTRING(valstr)->ptr;
- val.dsize = RSTRING(valstr)->len;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- val = sdbm_fetch(dbm, key);
- if (val.dsize == RSTRING(valstr)->len &&
- memcmp(val.dptr, RSTRING(valstr)->ptr, val.dsize) == 0)
- return Qtrue;
- }
- return Qfalse;
-}
-
-static VALUE
-fsdbm_to_a(obj)
- VALUE obj;
-{
- datum key, val;
- struct dbmdata *dbmp;
- DBM *dbm;
- VALUE ary;
-
- GetDBM(obj, dbmp);
- dbm = dbmp->di_dbm;
-
- ary = rb_ary_new();
- for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
- val = sdbm_fetch(dbm, key);
- rb_ary_push(ary, rb_assoc_new(rb_tainted_str_new(key.dptr, key.dsize),
- rb_tainted_str_new(val.dptr, val.dsize)));
- }
-
- return ary;
-}
-
-void
-Init_sdbm()
-{
- cSDBM = rb_define_class("SDBM", rb_cObject);
- rb_include_module(cSDBM, rb_mEnumerable);
-
- rb_define_singleton_method(cSDBM, "open", fsdbm_s_open, -1);
- rb_define_singleton_method(cSDBM, "new", fsdbm_s_open, -1);
- rb_define_method(cSDBM, "close", fsdbm_close, 0);
- rb_define_method(cSDBM, "[]", fsdbm_fetch, 1);
- rb_define_method(cSDBM, "[]=", fsdbm_store, 2);
- rb_define_method(cSDBM, "indexes", fsdbm_indexes, -1);
- rb_define_method(cSDBM, "indices", fsdbm_indexes, -1);
- rb_define_method(cSDBM, "length", fsdbm_length, 0);
- rb_define_alias(cSDBM, "size", "length");
- rb_define_method(cSDBM, "empty?", fsdbm_empty_p, 0);
- rb_define_method(cSDBM, "each", fsdbm_each_pair, 0);
- rb_define_method(cSDBM, "each_value", fsdbm_each_value, 0);
- rb_define_method(cSDBM, "each_key", fsdbm_each_key, 0);
- rb_define_method(cSDBM, "each_pair", fsdbm_each_pair, 0);
- rb_define_method(cSDBM, "keys", fsdbm_keys, 0);
- rb_define_method(cSDBM, "values", fsdbm_values, 0);
- rb_define_method(cSDBM, "shift", fsdbm_shift, 1);
- rb_define_method(cSDBM, "delete", fsdbm_delete, 1);
- rb_define_method(cSDBM, "delete_if", fsdbm_delete_if, 0);
- rb_define_method(cSDBM, "clear", fsdbm_clear, 0);
- rb_define_method(cSDBM,"invert", fsdbm_invert, 0);
- rb_define_method(cSDBM,"update", fsdbm_update, 1);
- rb_define_method(cSDBM,"replace", fsdbm_replace, 1);
-
- rb_define_method(cSDBM, "include?", fsdbm_has_key, 1);
- rb_define_method(cSDBM, "has_key?", fsdbm_has_key, 1);
- rb_define_method(cSDBM, "has_value?", fsdbm_has_value, 1);
- rb_define_method(cSDBM, "key?", fsdbm_has_key, 1);
- rb_define_method(cSDBM, "value?", fsdbm_has_value, 1);
-
- rb_define_method(cSDBM, "to_a", fsdbm_to_a, 0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-05 12:14:11 +0000