method
delete
v1_9_3_392 -
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Class: SDBM
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378
- 1_9_2_180
- 1_9_3_125 (0)
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delete(p1)
public
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static VALUE fsdbm_delete(VALUE obj, VALUE keystr) { datum key, value; struct dbmdata *dbmp; DBM *dbm; VALUE valstr; fdbm_modify(obj); ExportStringValue(keystr); key.dptr = RSTRING_PTR(keystr); key.dsize = RSTRING_LENINT(keystr); GetDBM2(obj, dbmp, dbm); dbmp->di_size = -1; value = sdbm_fetch(dbm, key); if (value.dptr == 0) { if (rb_block_given_p()) return rb_yield(keystr); return Qnil; } /* need to save value before sdbm_delete() */ valstr = rb_external_str_new(value.dptr, value.dsize); if (sdbm_delete(dbm, key)) { dbmp->di_size = -1; rb_raise(rb_eDBMError, "dbm_delete failed"); } else if (dbmp->di_size >= 0) { dbmp->di_size--; } return valstr; }